At Complii, we are on the lookout for a Senior Developer to play a key role in strengthening and scaling a business-critical technology platform. This role is focused on reducing risk, supporting significant scale, and helping secure the technical foundations needed to deliver our long-term vision of connected customer technology. If you enjoy working on complex systems, bringing clarity to areas of technical uncertainty, and having real influence over architectural decisions early on, this is a role where your impact will be felt quickly and meaningfully. You will play a critical role in providing technical cover across the orchestration layer of our platform, which is currently the area of highest risk and opportunity. From day one, the priority is reducing risk, supporting delivery at scale, and helping the wider team gain confidence in the codebase and future direction of the platform. What you receive for joining us We believe in rewarding expertise and accountability, which is why we offer an excellent salary. This includes 25 days holiday plus bank holidays, an additional day off for your birthday, a collaborative and supportive working environment, and the opportunity to work closely with senior leaders who value clarity, technical judgement, and delivery. Here is a look at some of the things you will be doing Supporting and contributing to the Ruby on Rails orchestration layer, helping to reduce technical risk and ensure the platform is robust, scalable, and well understood Supporting the team through a period of significant scale, providing hands-on technical expertise to stabilise, improve, and evolve the existing codebase Working closely with stakeholders to help secure the technical foundations needed for Complii s future vision of connected customer technology Contributing to architectural decisions, code quality, and best practices, while accelerating delivery and confidence across the engineering function Can you show experience in some of these areas Strong experience using the Ruby on Rails framework, with supporting knowledge of technologies such as Postgres, Redis, Sidekiq/ActiveJob, and HTML/jQuery Experience designing and working with APIs, including third-party integrations, and deploying applications using Heroku or similar PaaS providers A pragmatic approach to problem-solving, with a focus on simplicity, risk reduction, and building solid technical foundations A collaborative mindset, strong communication skills, and the ability to make a tangible impact within the first 90 days If you feel you have the skills and drive to make an impact, even if you don t meet every requirement above, we d still love to hear from you. Complii is a leading integrated provider of safety and regulatory compliance services across our water, air, fire, and electrical divisions, supporting organisations nationwide to operate safely, compliantly, and responsibly. This is a fully remote role and can be based anywhere in the UK, offering the opportunity to shape a critical platform and make a lasting difference.
Feb 28, 2026
Full time
At Complii, we are on the lookout for a Senior Developer to play a key role in strengthening and scaling a business-critical technology platform. This role is focused on reducing risk, supporting significant scale, and helping secure the technical foundations needed to deliver our long-term vision of connected customer technology. If you enjoy working on complex systems, bringing clarity to areas of technical uncertainty, and having real influence over architectural decisions early on, this is a role where your impact will be felt quickly and meaningfully. You will play a critical role in providing technical cover across the orchestration layer of our platform, which is currently the area of highest risk and opportunity. From day one, the priority is reducing risk, supporting delivery at scale, and helping the wider team gain confidence in the codebase and future direction of the platform. What you receive for joining us We believe in rewarding expertise and accountability, which is why we offer an excellent salary. This includes 25 days holiday plus bank holidays, an additional day off for your birthday, a collaborative and supportive working environment, and the opportunity to work closely with senior leaders who value clarity, technical judgement, and delivery. Here is a look at some of the things you will be doing Supporting and contributing to the Ruby on Rails orchestration layer, helping to reduce technical risk and ensure the platform is robust, scalable, and well understood Supporting the team through a period of significant scale, providing hands-on technical expertise to stabilise, improve, and evolve the existing codebase Working closely with stakeholders to help secure the technical foundations needed for Complii s future vision of connected customer technology Contributing to architectural decisions, code quality, and best practices, while accelerating delivery and confidence across the engineering function Can you show experience in some of these areas Strong experience using the Ruby on Rails framework, with supporting knowledge of technologies such as Postgres, Redis, Sidekiq/ActiveJob, and HTML/jQuery Experience designing and working with APIs, including third-party integrations, and deploying applications using Heroku or similar PaaS providers A pragmatic approach to problem-solving, with a focus on simplicity, risk reduction, and building solid technical foundations A collaborative mindset, strong communication skills, and the ability to make a tangible impact within the first 90 days If you feel you have the skills and drive to make an impact, even if you don t meet every requirement above, we d still love to hear from you. Complii is a leading integrated provider of safety and regulatory compliance services across our water, air, fire, and electrical divisions, supporting organisations nationwide to operate safely, compliantly, and responsibly. This is a fully remote role and can be based anywhere in the UK, offering the opportunity to shape a critical platform and make a lasting difference.
We re hiring a Senior Risk Assessor (Water Consultant) to join our team at Zeta Services . You will be responsible for carrying out Water Risk Assessments Parts 1 3 on Cooling Towers, Domestic Water Systems, and Process Water Systems in line with HSG274, HTM 04-01, and any additional legislative requirements. Your role will ensure consistent, high-quality service delivery to clients while supporting the commercial objectives of the business. Conducting client visits across industrial and commercial sites throughout the East Midlands and South Yorkshire areas will be a key part of your role, requiring initiative, attention to detail, and the ability to thrive in a fast-paced, service-driven environment. What you receive for joining us: We re offering a salary of £42,000 to £46,000 ( dependent on experience), along with a strong package designed to support you both in and out of work. Benefits include private healthcare, an employee assistance programme including a 24/7 mental health helpline, and a company vehicle (available for private use, subject to HMRC rules). holiday, which increases with length of service, Life Insurance/Death in Service Scheme (worth 4x Salary), Fuel Card, Virtual Credit Cards to cover approved expenses, IT equipment- mobile phone and Tablet or laptop (as required) and VDU and prescription safety eyewear vouchers. You ll work 37.75 hours per week , 8.00am - 4.30pm Monday to Friday. Here s a look at some of the things you ll be doing: Carry out Water Risk Assessments and Consultancy at client sites to the highest operational standards, in line with method statements, technical specifications, and legislation; interpret system monitoring, maintenance, water treatment, and microbiological sampling data to identify risks and recommend actions and produce accurate system schematic drawings and reports to required standards Work closely with Contracts Managers, Infield Service Management, and Business Support teams to meet operational goals and client requirements, ensuring compliance with Health & Safety, Environmental, Operational, and company vehicle policies while delivering services safely and professionally Act as an ambassador for the company internally and externally, promoting company values, championing continuous improvement, and providing responsive support to clients and field staff to maintain high service standards Maintain professionalism in all communication, demonstrate strong organisation and time management skills, escalate issues appropriately, and be flexible with working hours and travel to meet business and client needs Can you show experience in some of these areas: Recognised Water Risk Assessment qualification, e.g., City & Guilds or Water Management Society Practical Risk Assessment Certificate Experience completing Water Risk Assessments in line with ACOP L8, HSG 274 (Parts 1 3), BS 8580-1:2019, and HTM 04-01 Experience within the Water Hygiene industry, covering Domestic Water Risk Assessments and Water Hygiene activities Organised, self-driven, personable, and communicative, with strong time management skills, ability to work independently or as part of a team, and flexibility to meet both client and business needs Introducing our organisation: Zeta Services is proud to be part of Complii, a leading organisation widely recognised for its commitment to providing unparalleled safety and regulatory compliance services. With specialised divisions focusing on Fire and Water services, we excel as an integrated provider. Trusted as compliance partners, we collaborate with clients in sectors such as Education, Health, Care Homes, Public Sector, Local Authority, Industry, Pharmaceutical, Hospitality, Leisure, Food & Beverage, Retail, and Media, to ensure risk reduction, safety improvement, and regulatory compliance.
Feb 28, 2026
Full time
We re hiring a Senior Risk Assessor (Water Consultant) to join our team at Zeta Services . You will be responsible for carrying out Water Risk Assessments Parts 1 3 on Cooling Towers, Domestic Water Systems, and Process Water Systems in line with HSG274, HTM 04-01, and any additional legislative requirements. Your role will ensure consistent, high-quality service delivery to clients while supporting the commercial objectives of the business. Conducting client visits across industrial and commercial sites throughout the East Midlands and South Yorkshire areas will be a key part of your role, requiring initiative, attention to detail, and the ability to thrive in a fast-paced, service-driven environment. What you receive for joining us: We re offering a salary of £42,000 to £46,000 ( dependent on experience), along with a strong package designed to support you both in and out of work. Benefits include private healthcare, an employee assistance programme including a 24/7 mental health helpline, and a company vehicle (available for private use, subject to HMRC rules). holiday, which increases with length of service, Life Insurance/Death in Service Scheme (worth 4x Salary), Fuel Card, Virtual Credit Cards to cover approved expenses, IT equipment- mobile phone and Tablet or laptop (as required) and VDU and prescription safety eyewear vouchers. You ll work 37.75 hours per week , 8.00am - 4.30pm Monday to Friday. Here s a look at some of the things you ll be doing: Carry out Water Risk Assessments and Consultancy at client sites to the highest operational standards, in line with method statements, technical specifications, and legislation; interpret system monitoring, maintenance, water treatment, and microbiological sampling data to identify risks and recommend actions and produce accurate system schematic drawings and reports to required standards Work closely with Contracts Managers, Infield Service Management, and Business Support teams to meet operational goals and client requirements, ensuring compliance with Health & Safety, Environmental, Operational, and company vehicle policies while delivering services safely and professionally Act as an ambassador for the company internally and externally, promoting company values, championing continuous improvement, and providing responsive support to clients and field staff to maintain high service standards Maintain professionalism in all communication, demonstrate strong organisation and time management skills, escalate issues appropriately, and be flexible with working hours and travel to meet business and client needs Can you show experience in some of these areas: Recognised Water Risk Assessment qualification, e.g., City & Guilds or Water Management Society Practical Risk Assessment Certificate Experience completing Water Risk Assessments in line with ACOP L8, HSG 274 (Parts 1 3), BS 8580-1:2019, and HTM 04-01 Experience within the Water Hygiene industry, covering Domestic Water Risk Assessments and Water Hygiene activities Organised, self-driven, personable, and communicative, with strong time management skills, ability to work independently or as part of a team, and flexibility to meet both client and business needs Introducing our organisation: Zeta Services is proud to be part of Complii, a leading organisation widely recognised for its commitment to providing unparalleled safety and regulatory compliance services. With specialised divisions focusing on Fire and Water services, we excel as an integrated provider. Trusted as compliance partners, we collaborate with clients in sectors such as Education, Health, Care Homes, Public Sector, Local Authority, Industry, Pharmaceutical, Hospitality, Leisure, Food & Beverage, Retail, and Media, to ensure risk reduction, safety improvement, and regulatory compliance.
We re hiring a Senior Risk Assessor (Water Consultant) to join our team at Zeta Services. You will be responsible for carrying out Water Risk Assessments Parts 1 3 on Cooling Towers, Domestic Water Systems, and Process Water Systems in line with HSG274, HTM 04-01, and any additional legislative requirements. Your role will ensure consistent, high-quality service delivery to clients while supporting the commercial objectives of the business. You ll be conducting client visits across industrial and commercial sites throughout the UK, with national travel required as needed. This role is a remote role with roughly a 50/50 split between working from home and on site and would suit those based in the Midlands to South Yorkshire regions. This is a critical, pivotal position within our business where you ll play a key role, requiring initiative, strong attention to detail, and the ability to thrive in a fast-paced, service-driven environment. What you receive for joining us: We re offering a salary of £42,000 to £46,000 ( dependent on experience), along with a strong package designed to support you both in and out of work. Benefits include private healthcare, an employee assistance programme including a 24/7 mental health helpline, and a company vehicle (available for private use, subject to HMRC rules). holiday, which increases with length of service, Life Insurance/Death in Service Scheme (worth 4x Salary), Fuel Card, Virtual Credit Cards to cover approved expenses, IT equipment- mobile phone and Tablet or laptop (as required) and VDU and prescription safety eyewear vouchers. You ll work 37.75 hours per week, 8.00am - 4.30pm Monday to Friday. Here s a look at some of the things you ll be doing: Carry out Water Risk Assessments and Consultancy at client sites to the highest operational standards, in line with method statements, technical specifications, and legislation; interpret system monitoring, maintenance, water treatment, and microbiological sampling data to identify risks and recommend actions and produce accurate system schematic drawings and reports to required standards Work closely with Contracts Managers, Infield Service Management, and Business Support teams to meet operational goals and client requirements, ensuring compliance with Health & Safety, Environmental, Operational, and company vehicle policies while delivering services safely and professionally Act as an ambassador for the company internally and externally, promoting company values, championing continuous improvement, and providing responsive support to clients and field staff to maintain high service standards Maintain professionalism in all communication, demonstrate strong organisation and time management skills, escalate issues appropriately, and be flexible with working hours and travel to meet business and client needs Can you show experience in some of these areas: Recognised Water Risk Assessment qualification, e.g., City & Guilds or Water Management Society Practical Risk Assessment Certificate Experience completing Water Risk Assessments in line with ACOP L8, HSG 274 (Parts 1 3), BS 8580-1:2019, and HTM 04-01 Experience within the Water Hygiene industry, covering Domestic Water Risk Assessments and Water Hygiene activities Organised, self-driven, personable, and communicative, with strong time management skills, ability to work independently or as part of a team, and flexibility to meet both client and business needs Introducing our organisation: Zeta Services is proud to be part of Complii, a leading organisation widely recognised for its commitment to providing unparalleled safety and regulatory compliance services. With specialised divisions focusing on Fire and Water services, we excel as an integrated provider. Trusted as compliance partners, we collaborate with clients in sectors such as Education, Health, Care Homes, Public Sector, Local Authority, Industry, Pharmaceutical, Hospitality, Leisure, Food & Beverage, Retail, and Media, to ensure risk reduction, safety improvement, and regulatory compliance.
Feb 28, 2026
Full time
We re hiring a Senior Risk Assessor (Water Consultant) to join our team at Zeta Services. You will be responsible for carrying out Water Risk Assessments Parts 1 3 on Cooling Towers, Domestic Water Systems, and Process Water Systems in line with HSG274, HTM 04-01, and any additional legislative requirements. Your role will ensure consistent, high-quality service delivery to clients while supporting the commercial objectives of the business. You ll be conducting client visits across industrial and commercial sites throughout the UK, with national travel required as needed. This role is a remote role with roughly a 50/50 split between working from home and on site and would suit those based in the Midlands to South Yorkshire regions. This is a critical, pivotal position within our business where you ll play a key role, requiring initiative, strong attention to detail, and the ability to thrive in a fast-paced, service-driven environment. What you receive for joining us: We re offering a salary of £42,000 to £46,000 ( dependent on experience), along with a strong package designed to support you both in and out of work. Benefits include private healthcare, an employee assistance programme including a 24/7 mental health helpline, and a company vehicle (available for private use, subject to HMRC rules). holiday, which increases with length of service, Life Insurance/Death in Service Scheme (worth 4x Salary), Fuel Card, Virtual Credit Cards to cover approved expenses, IT equipment- mobile phone and Tablet or laptop (as required) and VDU and prescription safety eyewear vouchers. You ll work 37.75 hours per week, 8.00am - 4.30pm Monday to Friday. Here s a look at some of the things you ll be doing: Carry out Water Risk Assessments and Consultancy at client sites to the highest operational standards, in line with method statements, technical specifications, and legislation; interpret system monitoring, maintenance, water treatment, and microbiological sampling data to identify risks and recommend actions and produce accurate system schematic drawings and reports to required standards Work closely with Contracts Managers, Infield Service Management, and Business Support teams to meet operational goals and client requirements, ensuring compliance with Health & Safety, Environmental, Operational, and company vehicle policies while delivering services safely and professionally Act as an ambassador for the company internally and externally, promoting company values, championing continuous improvement, and providing responsive support to clients and field staff to maintain high service standards Maintain professionalism in all communication, demonstrate strong organisation and time management skills, escalate issues appropriately, and be flexible with working hours and travel to meet business and client needs Can you show experience in some of these areas: Recognised Water Risk Assessment qualification, e.g., City & Guilds or Water Management Society Practical Risk Assessment Certificate Experience completing Water Risk Assessments in line with ACOP L8, HSG 274 (Parts 1 3), BS 8580-1:2019, and HTM 04-01 Experience within the Water Hygiene industry, covering Domestic Water Risk Assessments and Water Hygiene activities Organised, self-driven, personable, and communicative, with strong time management skills, ability to work independently or as part of a team, and flexibility to meet both client and business needs Introducing our organisation: Zeta Services is proud to be part of Complii, a leading organisation widely recognised for its commitment to providing unparalleled safety and regulatory compliance services. With specialised divisions focusing on Fire and Water services, we excel as an integrated provider. Trusted as compliance partners, we collaborate with clients in sectors such as Education, Health, Care Homes, Public Sector, Local Authority, Industry, Pharmaceutical, Hospitality, Leisure, Food & Beverage, Retail, and Media, to ensure risk reduction, safety improvement, and regulatory compliance.
We re hiring a Senior Risk Assessor (Water Consultant) to join our team at Zeta Services. You will be responsible for carrying out Water Risk Assessments Parts 1 3 on Cooling Towers, Domestic Water Systems, and Process Water Systems in line with HSG274, HTM 04-01, and any additional legislative requirements. Your role will ensure consistent, high-quality service delivery to clients while supporting the commercial objectives of the business. You ll be conducting client visits across industrial and commercial sites throughout the UK, with national travel required as needed. This role is a remote role with roughly a 50/50 split between working from home and on site and would suit those based in the Midlands to South Yorkshire regions. This is a critical, pivotal position within our business where you ll play a key role, requiring initiative, strong attention to detail, and the ability to thrive in a fast-paced, service-driven environment. What you receive for joining us: We re offering a salary of £42,000 to £46,000 ( dependent on experience), along with a strong package designed to support you both in and out of work. Benefits include private healthcare, an employee assistance programme including a 24/7 mental health helpline, and a company vehicle (available for private use, subject to HMRC rules). holiday, which increases with length of service, Life Insurance/Death in Service Scheme (worth 4x Salary), Fuel Card, Virtual Credit Cards to cover approved expenses, IT equipment- mobile phone and Tablet or laptop (as required) and VDU and prescription safety eyewear vouchers. You ll work 37.75 hours per week, 8.00am - 4.30pm Monday to Friday. Here s a look at some of the things you ll be doing: Carry out Water Risk Assessments and Consultancy at client sites to the highest operational standards, in line with method statements, technical specifications, and legislation; interpret system monitoring, maintenance, water treatment, and microbiological sampling data to identify risks and recommend actions and produce accurate system schematic drawings and reports to required standards Work closely with Contracts Managers, Infield Service Management, and Business Support teams to meet operational goals and client requirements, ensuring compliance with Health & Safety, Environmental, Operational, and company vehicle policies while delivering services safely and professionally Act as an ambassador for the company internally and externally, promoting company values, championing continuous improvement, and providing responsive support to clients and field staff to maintain high service standards Maintain professionalism in all communication, demonstrate strong organisation and time management skills, escalate issues appropriately, and be flexible with working hours and travel to meet business and client needs Can you show experience in some of these areas: Recognised Water Risk Assessment qualification, e.g., City & Guilds or Water Management Society Practical Risk Assessment Certificate Experience completing Water Risk Assessments in line with ACOP L8, HSG 274 (Parts 1 3), BS 8580-1:2019, and HTM 04-01 Experience within the Water Hygiene industry, covering Domestic Water Risk Assessments and Water Hygiene activities Organised, self-driven, personable, and communicative, with strong time management skills, ability to work independently or as part of a team, and flexibility to meet both client and business needs Introducing our organisation: Zeta Services is proud to be part of Complii, a leading organisation widely recognised for its commitment to providing unparalleled safety and regulatory compliance services. With specialised divisions focusing on Fire and Water services, we excel as an integrated provider. Trusted as compliance partners, we collaborate with clients in sectors such as Education, Health, Care Homes, Public Sector, Local Authority, Industry, Pharmaceutical, Hospitality, Leisure, Food & Beverage, Retail, and Media, to ensure risk reduction, safety improvement, and regulatory compliance.
Feb 28, 2026
Full time
We re hiring a Senior Risk Assessor (Water Consultant) to join our team at Zeta Services. You will be responsible for carrying out Water Risk Assessments Parts 1 3 on Cooling Towers, Domestic Water Systems, and Process Water Systems in line with HSG274, HTM 04-01, and any additional legislative requirements. Your role will ensure consistent, high-quality service delivery to clients while supporting the commercial objectives of the business. You ll be conducting client visits across industrial and commercial sites throughout the UK, with national travel required as needed. This role is a remote role with roughly a 50/50 split between working from home and on site and would suit those based in the Midlands to South Yorkshire regions. This is a critical, pivotal position within our business where you ll play a key role, requiring initiative, strong attention to detail, and the ability to thrive in a fast-paced, service-driven environment. What you receive for joining us: We re offering a salary of £42,000 to £46,000 ( dependent on experience), along with a strong package designed to support you both in and out of work. Benefits include private healthcare, an employee assistance programme including a 24/7 mental health helpline, and a company vehicle (available for private use, subject to HMRC rules). holiday, which increases with length of service, Life Insurance/Death in Service Scheme (worth 4x Salary), Fuel Card, Virtual Credit Cards to cover approved expenses, IT equipment- mobile phone and Tablet or laptop (as required) and VDU and prescription safety eyewear vouchers. You ll work 37.75 hours per week, 8.00am - 4.30pm Monday to Friday. Here s a look at some of the things you ll be doing: Carry out Water Risk Assessments and Consultancy at client sites to the highest operational standards, in line with method statements, technical specifications, and legislation; interpret system monitoring, maintenance, water treatment, and microbiological sampling data to identify risks and recommend actions and produce accurate system schematic drawings and reports to required standards Work closely with Contracts Managers, Infield Service Management, and Business Support teams to meet operational goals and client requirements, ensuring compliance with Health & Safety, Environmental, Operational, and company vehicle policies while delivering services safely and professionally Act as an ambassador for the company internally and externally, promoting company values, championing continuous improvement, and providing responsive support to clients and field staff to maintain high service standards Maintain professionalism in all communication, demonstrate strong organisation and time management skills, escalate issues appropriately, and be flexible with working hours and travel to meet business and client needs Can you show experience in some of these areas: Recognised Water Risk Assessment qualification, e.g., City & Guilds or Water Management Society Practical Risk Assessment Certificate Experience completing Water Risk Assessments in line with ACOP L8, HSG 274 (Parts 1 3), BS 8580-1:2019, and HTM 04-01 Experience within the Water Hygiene industry, covering Domestic Water Risk Assessments and Water Hygiene activities Organised, self-driven, personable, and communicative, with strong time management skills, ability to work independently or as part of a team, and flexibility to meet both client and business needs Introducing our organisation: Zeta Services is proud to be part of Complii, a leading organisation widely recognised for its commitment to providing unparalleled safety and regulatory compliance services. With specialised divisions focusing on Fire and Water services, we excel as an integrated provider. Trusted as compliance partners, we collaborate with clients in sectors such as Education, Health, Care Homes, Public Sector, Local Authority, Industry, Pharmaceutical, Hospitality, Leisure, Food & Beverage, Retail, and Media, to ensure risk reduction, safety improvement, and regulatory compliance.
At Complii, we are on the lookout for a Senior Developer to play a key role in strengthening and scaling a business-critical technology platform. This role is focused on reducing risk, supporting significant scale, and helping secure the technical foundations needed to deliver our long-term vision of connected customer technology. If you enjoy working on complex systems, bringing clarity to areas of technical uncertainty, and having real influence over architectural decisions early on, this is a role where your impact will be felt quickly and meaningfully. You will play a critical role in providing technical cover across the orchestration layer of our platform, which is currently the area of highest risk and opportunity. From day one, the priority is reducing risk, supporting delivery at scale, and helping the wider team gain confidence in the codebase and future direction of the platform. What you receive for joining us We believe in rewarding expertise and accountability, which is why we offer an excellent salary. This includes 25 days holiday plus bank holidays, an additional day off for your birthday, a collaborative and supportive working environment, and the opportunity to work closely with senior leaders who value clarity, technical judgement, and delivery. Here is a look at some of the things you will be doing Supporting and contributing to the Ruby on Rails orchestration layer, helping to reduce technical risk and ensure the platform is robust, scalable, and well understood Supporting the team through a period of significant scale, providing hands-on technical expertise to stabilise, improve, and evolve the existing codebase Working closely with stakeholders to help secure the technical foundations needed for Complii s future vision of connected customer technology Contributing to architectural decisions, code quality, and best practices, while accelerating delivery and confidence across the engineering function Can you show experience in some of these areas Strong experience using the Ruby on Rails framework, with supporting knowledge of technologies such as Postgres, Redis, Sidekiq/ActiveJob, and HTML/jQuery Experience designing and working with APIs, including third-party integrations, and deploying applications using Heroku or similar PaaS providers A pragmatic approach to problem-solving, with a focus on simplicity, risk reduction, and building solid technical foundations A collaborative mindset, strong communication skills, and the ability to make a tangible impact within the first 90 days If you feel you have the skills and drive to make an impact, even if you don t meet every requirement above, we d still love to hear from you. Complii is a leading integrated provider of safety and regulatory compliance services across our water, air, fire, and electrical divisions, supporting organisations nationwide to operate safely, compliantly, and responsibly. This is a fully remote role and can be based anywhere in the UK, offering the opportunity to shape a critical platform and make a lasting difference.
Feb 28, 2026
Full time
At Complii, we are on the lookout for a Senior Developer to play a key role in strengthening and scaling a business-critical technology platform. This role is focused on reducing risk, supporting significant scale, and helping secure the technical foundations needed to deliver our long-term vision of connected customer technology. If you enjoy working on complex systems, bringing clarity to areas of technical uncertainty, and having real influence over architectural decisions early on, this is a role where your impact will be felt quickly and meaningfully. You will play a critical role in providing technical cover across the orchestration layer of our platform, which is currently the area of highest risk and opportunity. From day one, the priority is reducing risk, supporting delivery at scale, and helping the wider team gain confidence in the codebase and future direction of the platform. What you receive for joining us We believe in rewarding expertise and accountability, which is why we offer an excellent salary. This includes 25 days holiday plus bank holidays, an additional day off for your birthday, a collaborative and supportive working environment, and the opportunity to work closely with senior leaders who value clarity, technical judgement, and delivery. Here is a look at some of the things you will be doing Supporting and contributing to the Ruby on Rails orchestration layer, helping to reduce technical risk and ensure the platform is robust, scalable, and well understood Supporting the team through a period of significant scale, providing hands-on technical expertise to stabilise, improve, and evolve the existing codebase Working closely with stakeholders to help secure the technical foundations needed for Complii s future vision of connected customer technology Contributing to architectural decisions, code quality, and best practices, while accelerating delivery and confidence across the engineering function Can you show experience in some of these areas Strong experience using the Ruby on Rails framework, with supporting knowledge of technologies such as Postgres, Redis, Sidekiq/ActiveJob, and HTML/jQuery Experience designing and working with APIs, including third-party integrations, and deploying applications using Heroku or similar PaaS providers A pragmatic approach to problem-solving, with a focus on simplicity, risk reduction, and building solid technical foundations A collaborative mindset, strong communication skills, and the ability to make a tangible impact within the first 90 days If you feel you have the skills and drive to make an impact, even if you don t meet every requirement above, we d still love to hear from you. Complii is a leading integrated provider of safety and regulatory compliance services across our water, air, fire, and electrical divisions, supporting organisations nationwide to operate safely, compliantly, and responsibly. This is a fully remote role and can be based anywhere in the UK, offering the opportunity to shape a critical platform and make a lasting difference.
