Solace Middleware Engineer 2/3 days onsite in London £450-500 inside IR35 6 months We're looking for a Solace Middleware Engineer to support a low-latency electronic trading environment within a leading investment banking setting. This is a hands-on role focused on mission-critical messaging infrastructure across FX and Fixed Income markets. Key Responsibilities Own and support Solace PubSub+ messaging infrastructure Design and implement low-latency messaging patterns (pub/sub, guaranteed messaging, request/reply) Configure and optimise brokers, VPNs, queues, and topic hierarchies Drive performance tuning for ultra-low latency trading systems Integrate trading applications with messaging architecture Monitor and troubleshoot real-time message flows and latency issues Support application onboarding , defining messaging standards and connectivity Automate operational tasks using Python/scripting Key Requirements Strong experience with Solace (essential) Proven background in middleware messaging (e.g. Solace, TIBCO, MQ) Experience in investment banking / electronic trading environments Knowledge of FX and/or Fixed Income trading systems Strong Linux + networking fundamentals (low-latency systems, multicast preferred) Scripting skills ( Python or similar ) Experience working at application / platform engineering level Architecture exposure within distributed systems Modis International Ltd acts as an employment agency for permanent recruitment and an employment business for the supply of temporary workers in the UK. Modis Europe Ltd provide a variety of international solutions that connect clients to the best talent in the world. For all positions based in Switzerland, Modis Europe Ltd works with its licensed Swiss partner Accurity GmbH to ensure that candidate applications are handled in accordance with Swiss law. Both Modis International Ltd and Modis Europe Ltd are Equal Opportunities Employers. By applying for this role your details will be submitted to Modis International Ltd and/ or Modis Europe Ltd. Our Candidate Privacy Information Statement which explains how we will use your information is available on the Modis website.
Jun 30, 2026
Contractor
Solace Middleware Engineer 2/3 days onsite in London £450-500 inside IR35 6 months We're looking for a Solace Middleware Engineer to support a low-latency electronic trading environment within a leading investment banking setting. This is a hands-on role focused on mission-critical messaging infrastructure across FX and Fixed Income markets. Key Responsibilities Own and support Solace PubSub+ messaging infrastructure Design and implement low-latency messaging patterns (pub/sub, guaranteed messaging, request/reply) Configure and optimise brokers, VPNs, queues, and topic hierarchies Drive performance tuning for ultra-low latency trading systems Integrate trading applications with messaging architecture Monitor and troubleshoot real-time message flows and latency issues Support application onboarding , defining messaging standards and connectivity Automate operational tasks using Python/scripting Key Requirements Strong experience with Solace (essential) Proven background in middleware messaging (e.g. Solace, TIBCO, MQ) Experience in investment banking / electronic trading environments Knowledge of FX and/or Fixed Income trading systems Strong Linux + networking fundamentals (low-latency systems, multicast preferred) Scripting skills ( Python or similar ) Experience working at application / platform engineering level Architecture exposure within distributed systems Modis International Ltd acts as an employment agency for permanent recruitment and an employment business for the supply of temporary workers in the UK. Modis Europe Ltd provide a variety of international solutions that connect clients to the best talent in the world. For all positions based in Switzerland, Modis Europe Ltd works with its licensed Swiss partner Accurity GmbH to ensure that candidate applications are handled in accordance with Swiss law. Both Modis International Ltd and Modis Europe Ltd are Equal Opportunities Employers. By applying for this role your details will be submitted to Modis International Ltd and/ or Modis Europe Ltd. Our Candidate Privacy Information Statement which explains how we will use your information is available on the Modis website.
Job Title: Solace Middleware Engineer Job Description We are seeking a Senior Solace Middleware Engineer for a dynamic role within a front-office trading technology team, focusing on FX and Fixed Income environments. This position involves hands-on engineering responsibilities, owning, and evolving a low-latency messaging platform crucial for real-time trading systems. Responsibilities Own and manage Solace PubSub+ infrastructure in a production trading environment. Design and implement low-latency messaging patterns, such as pub/sub, guaranteed messaging, and request-reply. Tune and optimise messaging performance, latency, and throughput. Integrate trading applications into the messaging layer. Troubleshoot real-time messaging and latency issues impacting trading flows. Support market data and trade execution systems. Manage capacity planning, high availability/disaster recovery (HA/DR), and scalability of the platform. Collaborate closely with developers and front-office stakeholders. Essential Skills Strong hands-on experience with Solace PubSub+. Background in low-latency or real-time environments, ideally in front-office trading. experience with electronic trading systems, such as FX or Fixed Income. Strong understanding of messaging patterns, including pub/sub, multicast, and guaranteed messaging. Solid Linux/Unix and networking fundamentals. Proven ability to diagnose and resolve performance and latency issues. Additional Skills & Qualifications experience with market data systems or trading workflows. Exposure to middleware technologies like Tibco, MQ, or similar. Knowledge of monitoring tools such as Geneos or Corvil. Familiarity with FIX protocol or trading connectivity. Scripting skills in Python or Shell. Why Work Here? Join a vibrant team within a top-tier investment banking environment, offering a hybrid working model based in London. This role provides the opportunity to make a significant impact within a mission-critical trading platform, with the added flexibility of on-call/out-of-hours support. Work Environment This role is based in London with a hybrid working model. The work involves a high-pressure, real-time environment where performance and speed are paramount. The position requires close collaboration with engineering and trading stakeholders, with opportunities for autonomy and ownership in mission-critical tasks. Location London, UK Trading as TEKsystems. Allegis Group Limited, Maxis 2, Western Road, Bracknell, RG12 1RT, United Kingdom. No. (phone number removed). Allegis Group Limited operates as an Employment Business and Employment Agency as set out in the Conduct of Employment Agencies and Employment Businesses Regulations 2003. TEKsystems is a company within the Allegis Group network of companies (collectively referred to as "Allegis Group"). Aerotek, Aston Carter, EASi, Talentis Solutions, TEKsystems, Stamford Consultants and The Stamford Group are Allegis Group brands. If you apply, your personal data will be processed as described in the Allegis Group Online Privacy Notice available at (url removed)> To access our Online Privacy Notice, which explains what information we may collect, use, share, and store about you, and describes your rights and choices about this, please go to (url removed)> We are part of a global network of companies and as a result, the personal data you provide will be shared within Allegis Group and transferred and processed outside the UK, Switzerland and European Economic Area subject to the protections described in the Allegis Group Online Privacy Notice. We store personal data in the UK, EEA, Switzerland and the USA. If you would like to exercise your privacy rights, please visit the "Contacting Us" section of our Online Privacy Notice at (url removed)/en-gb/privacy-notices for details on how to contact us. To protect your privacy and security, we may take steps to verify your identity, such as a password and user ID if there is an account associated with your request, or identifying information such as your address or date of birth, before proceeding with your request. If you are resident in the UK, EEA or Switzerland, we will process any access request you make in accordance with our commitments under the UK Data Protection Act, EU-U.S. Privacy Shield or the Swiss-U.S. Privacy Shield.
Jun 26, 2026
Contractor
Job Title: Solace Middleware Engineer Job Description We are seeking a Senior Solace Middleware Engineer for a dynamic role within a front-office trading technology team, focusing on FX and Fixed Income environments. This position involves hands-on engineering responsibilities, owning, and evolving a low-latency messaging platform crucial for real-time trading systems. Responsibilities Own and manage Solace PubSub+ infrastructure in a production trading environment. Design and implement low-latency messaging patterns, such as pub/sub, guaranteed messaging, and request-reply. Tune and optimise messaging performance, latency, and throughput. Integrate trading applications into the messaging layer. Troubleshoot real-time messaging and latency issues impacting trading flows. Support market data and trade execution systems. Manage capacity planning, high availability/disaster recovery (HA/DR), and scalability of the platform. Collaborate closely with developers and front-office stakeholders. Essential Skills Strong hands-on experience with Solace PubSub+. Background in low-latency or real-time environments, ideally in front-office trading. experience with electronic trading systems, such as FX or Fixed Income. Strong understanding of messaging patterns, including pub/sub, multicast, and guaranteed messaging. Solid Linux/Unix and networking fundamentals. Proven ability to diagnose and resolve performance and latency issues. Additional Skills & Qualifications experience with market data systems or trading workflows. Exposure to middleware technologies like Tibco, MQ, or similar. Knowledge of monitoring tools such as Geneos or Corvil. Familiarity with FIX protocol or trading connectivity. Scripting skills in Python or Shell. Why Work Here? Join a vibrant team within a top-tier investment banking environment, offering a hybrid working model based in London. This role provides the opportunity to make a significant impact within a mission-critical trading platform, with the added flexibility of on-call/out-of-hours support. Work Environment This role is based in London with a hybrid working model. The work involves a high-pressure, real-time environment where performance and speed are paramount. The position requires close collaboration with engineering and trading stakeholders, with opportunities for autonomy and ownership in mission-critical tasks. Location London, UK Trading as TEKsystems. Allegis Group Limited, Maxis 2, Western Road, Bracknell, RG12 1RT, United Kingdom. No. (phone number removed). Allegis Group Limited operates as an Employment Business and Employment Agency as set out in the Conduct of Employment Agencies and Employment Businesses Regulations 2003. TEKsystems is a company within the Allegis Group network of companies (collectively referred to as "Allegis Group"). Aerotek, Aston Carter, EASi, Talentis Solutions, TEKsystems, Stamford Consultants and The Stamford Group are Allegis Group brands. If you apply, your personal data will be processed as described in the Allegis Group Online Privacy Notice available at (url removed)> To access our Online Privacy Notice, which explains what information we may collect, use, share, and store about you, and describes your rights and choices about this, please go to (url removed)> We are part of a global network of companies and as a result, the personal data you provide will be shared within Allegis Group and transferred and processed outside the UK, Switzerland and European Economic Area subject to the protections described in the Allegis Group Online Privacy Notice. We store personal data in the UK, EEA, Switzerland and the USA. If you would like to exercise your privacy rights, please visit the "Contacting Us" section of our Online Privacy Notice at (url removed)/en-gb/privacy-notices for details on how to contact us. To protect your privacy and security, we may take steps to verify your identity, such as a password and user ID if there is an account associated with your request, or identifying information such as your address or date of birth, before proceeding with your request. If you are resident in the UK, EEA or Switzerland, we will process any access request you make in accordance with our commitments under the UK Data Protection Act, EU-U.S. Privacy Shield or the Swiss-U.S. Privacy Shield.
Role Title: Network Engineer 6 months Rate: 506 Hybrid -3 days on site in London Role Summary UK ITS AS (ENET) Engineer will be a member of the team that is responsible for the support and management of the of the infrastructure that supports the Bank's electronic business (known within other banks as Electronic Trading or Pre-Trade). This will be achieved by leveraging the technical expertise of other teams within UK ITS. Team members will work closely with core Infrastructure teams, development and the business responding to requests, fault reports, often being required to resolve issues quickly, under pressure and sometimes out of hours. In addition to business as usual activity there are a great number of infrastructure projects and tasks that must be completed. Role Description Deliver and support low latency connectivity and monitoring solutions for the Global Markets business, aligned with front-office trading and regulatory needs. Apply SRE principles to improve availability, latency, performance, and capacity planning across trading infrastructure. Collaborate with network and platform engineers to design reliable, self-healing systems and reduce manual intervention through automation. Own and execute the Global Markets connectivity roadmap, from project delivery through to operational handoff and lifecycle management. Partner with business stakeholders and platform owners to ensure infrastructure and observability tooling meets evolving trading requirements. Monitor and manage capacity and performance of global connectivity systems, working with regional teams to aggregate local intelligence. Develop and maintain automated alerting, health checks, and dashboards, supporting proactive detection of issues and system degradation. Lead lab-based testing and benchmarking initiatives for new connectivity solutions, ensuring readiness for production deployment. Produce operational and performance KPIs, SLO/SLI metrics, and executive summaries to support senior decision-making. Requirements Strong background in low latency network engineering, including TCP/IP, multicast, traffic shaping, and performance analysis. Proven experience with packet capture and analysis tools (Wireshark, tcpdump, Corvil/PICO); ability to build custom decoders is highly advantageous. Familiarity with SRE tools and practices, including infrastructure as code (IaC), CI/CD pipelines, error budgets, and reliability-focused SLIs/SLOs. Strong working knowledge of messaging middleware (Solace, 29West, Tibco, LBM, or equivalent) in performance-sensitive environments. Proficient in scripting and automation using Python, Bash, or PowerShell to streamline monitoring, alerting, and recovery workflows. Knowledge of FIX, market data, and order routing protocols in a trading environment. Exposure to observability platforms such as ITRS Geneos, Prometheus, Grafana, or custom telemetry stacks. Comfortable working across Linux systems, hybrid infrastructure, and global production environments. Excellent communication and reporting skills, with ability to translate technical data into actionable business insights.
Oct 07, 2025
Contractor
Role Title: Network Engineer 6 months Rate: 506 Hybrid -3 days on site in London Role Summary UK ITS AS (ENET) Engineer will be a member of the team that is responsible for the support and management of the of the infrastructure that supports the Bank's electronic business (known within other banks as Electronic Trading or Pre-Trade). This will be achieved by leveraging the technical expertise of other teams within UK ITS. Team members will work closely with core Infrastructure teams, development and the business responding to requests, fault reports, often being required to resolve issues quickly, under pressure and sometimes out of hours. In addition to business as usual activity there are a great number of infrastructure projects and tasks that must be completed. Role Description Deliver and support low latency connectivity and monitoring solutions for the Global Markets business, aligned with front-office trading and regulatory needs. Apply SRE principles to improve availability, latency, performance, and capacity planning across trading infrastructure. Collaborate with network and platform engineers to design reliable, self-healing systems and reduce manual intervention through automation. Own and execute the Global Markets connectivity roadmap, from project delivery through to operational handoff and lifecycle management. Partner with business stakeholders and platform owners to ensure infrastructure and observability tooling meets evolving trading requirements. Monitor and manage capacity and performance of global connectivity systems, working with regional teams to aggregate local intelligence. Develop and maintain automated alerting, health checks, and dashboards, supporting proactive detection of issues and system degradation. Lead lab-based testing and benchmarking initiatives for new connectivity solutions, ensuring readiness for production deployment. Produce operational and performance KPIs, SLO/SLI metrics, and executive summaries to support senior decision-making. Requirements Strong background in low latency network engineering, including TCP/IP, multicast, traffic shaping, and performance analysis. Proven experience with packet capture and analysis tools (Wireshark, tcpdump, Corvil/PICO); ability to build custom decoders is highly advantageous. Familiarity with SRE tools and practices, including infrastructure as code (IaC), CI/CD pipelines, error budgets, and reliability-focused SLIs/SLOs. Strong working knowledge of messaging middleware (Solace, 29West, Tibco, LBM, or equivalent) in performance-sensitive environments. Proficient in scripting and automation using Python, Bash, or PowerShell to streamline monitoring, alerting, and recovery workflows. Knowledge of FIX, market data, and order routing protocols in a trading environment. Exposure to observability platforms such as ITRS Geneos, Prometheus, Grafana, or custom telemetry stacks. Comfortable working across Linux systems, hybrid infrastructure, and global production environments. Excellent communication and reporting skills, with ability to translate technical data into actionable business insights.
