Edison Hill Search
Senior C++ Developer Permanent Fully Remote Negotiable Salary + Significant Equity From Oxford research to securing the connected world Nine years ago, a small UK technology team working alongside researchers at the University of Oxford set out to solve a problem most of the world didn t yet realise it had. Billions of machines were beginning to talk to each other across factories, power grids, transport systems, defence networks and smart cities. But much of that communication depended on architectures built for a different era: centralised, vulnerable and increasingly exposed. So they built something different. Today, the company holds patented cryptographic technology that enables fully decentralised, post-quantum secure interoperability between devices operating at the edge without relying on always-on central connectivity. It can operate across untrusted environments, enable real-time communication and support narrow AI across full-scale industrial systems. What started with academic research has evolved into commercially relevant security technology with the potential for global application. Now the team is growing again, and we are looking for two exceptional Senior C++ Developers who can operate where this technology really lives deep in the network stack. The Role: Where Packets Become Trust This isn't application-layer C++. It isn't framework-driven development. This is low-level, network-centric C and C++ engineering, working primarily around OSI Layers 2 and 3, where packet behaviour, routing decisions and tunnelling strategies determine whether distributed systems can communicate securely at scale. You'll design and build technology intended ultimately to operate across millions of industrial edge devices, enabling secure cloud-to-edge communication, device-to-device authentication, decentralised routing and interoperability, secure communication across potentially untrusted networks, and robust deployment and configuration for edge environments. You'll be close enough to the technology to influence how it develops shaping architecture, solving complex networking problems and contributing to security infrastructure that could eventually underpin critical systems around the world. And because this remains a relatively small, specialist engineering team, your contribution won't disappear into a huge development organisation. You'll see the impact of what you build. What the Director of Engineering Needs in This Role This is a tall order intentionally so. First and foremost, you must have genuine depth in network programming with C and C++. We're particularly interested in engineers with strong working knowledge of Layer 3 OSI protocols, low-level packet analysis and routing, OSPF, TAP/TUN devices and UDP tunnelling, UDP hole punching and STUN technologies, IPTables and packet routing strategies, code threading and multitasking, IPC and shared-memory communication, and Linux kernel-level development. You'll ideally also be comfortable with several of the following areas: compilers and static libraries, cross-compiling and porting across iOS, Android, Windows and Linux, containerised microservices using Docker and Kubernetes, CI/CD and GitLab environments, distributed cloud platforms including AWS, Azure and OVH, and development environments including VS Code, GitLab and Nexus. We don't expect one person to tick every box. What we do need is someone who can demonstrate a high level of competence in networking, packet routing and packet analysis, together with meaningful experience across at least three or four of the areas above. That networking foundation is important. Without it, the learning curve into the technology will simply be too steep. The Kind of Engineer Who Will Thrive Here You'll probably have 10+ years' experience designing, architecting and developing sophisticated C++ systems, although depth of expertise matters more than an arbitrary number. You'll be comfortable operating in Linux environments, including Debian, CentOS and embedded variants, and ideally understand symmetric and asymmetric cryptography, hashing and secure distributed systems. More importantly, you'll be someone who enjoys getting underneath a problem. Someone who wants to understand what is actually happening to the packet, rather than simply calling an abstraction several layers above it. You'll document clearly, automate where it makes sense, challenge assumptions constructively and be comfortable working in an environment where engineers are expected to think rather than simply execute tickets. Previous start-up, IoT, edge computing, GPU/AI or blockchain experience would be useful, but isn't essential. Why This Matters Nine years in, this is no longer an academic experiment. It isn't a concept. It isn't a slide deck. And it isn't another IoT start-up promising to change the world with an idea. There is patented technology, years of engineering behind it and a platform being prepared for much wider adoption. The next stage is about scale. The successful engineers won't simply be writing C++ code. They'll be helping determine how machines authenticate, communicate and establish trust across industrial systems, critical infrastructure and other highly secure environments. You'll receive a competitive base salary plus significant equity, reflecting the opportunity to join at a stage where your contribution can still materially influence both the technology and the company's future. The role is permanent and fully remote. If you're a serious low-level C++ engineer who understands packets, routing, tunnelling and network behaviour and the idea of taking technology from Oxford research roots towards global security infrastructure sounds more interesting than another conventional development role I'd like to hear from you. Edison Hill Search are operating and advertising as an Employment Agency for permanent positions and as an Employment Business for interim / contract / temporary positions. Edison Hill Search are an Equal Opportunities employer and we encourage applicants from all backgrounds.
Senior C++ Developer Permanent Fully Remote Negotiable Salary + Significant Equity From Oxford research to securing the connected world Nine years ago, a small UK technology team working alongside researchers at the University of Oxford set out to solve a problem most of the world didn t yet realise it had. Billions of machines were beginning to talk to each other across factories, power grids, transport systems, defence networks and smart cities. But much of that communication depended on architectures built for a different era: centralised, vulnerable and increasingly exposed. So they built something different. Today, the company holds patented cryptographic technology that enables fully decentralised, post-quantum secure interoperability between devices operating at the edge without relying on always-on central connectivity. It can operate across untrusted environments, enable real-time communication and support narrow AI across full-scale industrial systems. What started with academic research has evolved into commercially relevant security technology with the potential for global application. Now the team is growing again, and we are looking for two exceptional Senior C++ Developers who can operate where this technology really lives deep in the network stack. The Role: Where Packets Become Trust This isn't application-layer C++. It isn't framework-driven development. This is low-level, network-centric C and C++ engineering, working primarily around OSI Layers 2 and 3, where packet behaviour, routing decisions and tunnelling strategies determine whether distributed systems can communicate securely at scale. You'll design and build technology intended ultimately to operate across millions of industrial edge devices, enabling secure cloud-to-edge communication, device-to-device authentication, decentralised routing and interoperability, secure communication across potentially untrusted networks, and robust deployment and configuration for edge environments. You'll be close enough to the technology to influence how it develops shaping architecture, solving complex networking problems and contributing to security infrastructure that could eventually underpin critical systems around the world. And because this remains a relatively small, specialist engineering team, your contribution won't disappear into a huge development organisation. You'll see the impact of what you build. What the Director of Engineering Needs in This Role This is a tall order intentionally so. First and foremost, you must have genuine depth in network programming with C and C++. We're particularly interested in engineers with strong working knowledge of Layer 3 OSI protocols, low-level packet analysis and routing, OSPF, TAP/TUN devices and UDP tunnelling, UDP hole punching and STUN technologies, IPTables and packet routing strategies, code threading and multitasking, IPC and shared-memory communication, and Linux kernel-level development. You'll ideally also be comfortable with several of the following areas: compilers and static libraries, cross-compiling and porting across iOS, Android, Windows and Linux, containerised microservices using Docker and Kubernetes, CI/CD and GitLab environments, distributed cloud platforms including AWS, Azure and OVH, and development environments including VS Code, GitLab and Nexus. We don't expect one person to tick every box. What we do need is someone who can demonstrate a high level of competence in networking, packet routing and packet analysis, together with meaningful experience across at least three or four of the areas above. That networking foundation is important. Without it, the learning curve into the technology will simply be too steep. The Kind of Engineer Who Will Thrive Here You'll probably have 10+ years' experience designing, architecting and developing sophisticated C++ systems, although depth of expertise matters more than an arbitrary number. You'll be comfortable operating in Linux environments, including Debian, CentOS and embedded variants, and ideally understand symmetric and asymmetric cryptography, hashing and secure distributed systems. More importantly, you'll be someone who enjoys getting underneath a problem. Someone who wants to understand what is actually happening to the packet, rather than simply calling an abstraction several layers above it. You'll document clearly, automate where it makes sense, challenge assumptions constructively and be comfortable working in an environment where engineers are expected to think rather than simply execute tickets. Previous start-up, IoT, edge computing, GPU/AI or blockchain experience would be useful, but isn't essential. Why This Matters Nine years in, this is no longer an academic experiment. It isn't a concept. It isn't a slide deck. And it isn't another IoT start-up promising to change the world with an idea. There is patented technology, years of engineering behind it and a platform being prepared for much wider adoption. The next stage is about scale. The successful engineers won't simply be writing C++ code. They'll be helping determine how machines authenticate, communicate and establish trust across industrial systems, critical infrastructure and other highly secure environments. You'll receive a competitive base salary plus significant equity, reflecting the opportunity to join at a stage where your contribution can still materially influence both the technology and the company's future. The role is permanent and fully remote. If you're a serious low-level C++ engineer who understands packets, routing, tunnelling and network behaviour and the idea of taking technology from Oxford research roots towards global security infrastructure sounds more interesting than another conventional development role I'd like to hear from you. Edison Hill Search are operating and advertising as an Employment Agency for permanent positions and as an Employment Business for interim / contract / temporary positions. Edison Hill Search are an Equal Opportunities employer and we encourage applicants from all backgrounds.
Intec Select Ltd
Senior Mobile QA Engineer (iOS & Android) 350 to 400 per day Outside IR35 Initial 6-Month Contract Hybrid (Stratford, London) Immediate Start Available Our trusted partner within the Ed-Tech sector, employing over 10,000 people across 100 countries and supporting more than 600 million users globally, is seeking an experienced Senior Mobile QA Engineer to join a high-profile product engineering team developing innovative mobile learning applications. This role is ideal for a QA professional with extensive experience testing native and cross-platform mobile applications across iOS and Android environments, coupled with a strong background in test automation and modern Agile delivery practices. Key Responsibilities Lead quality assurance activities across mobile applications, ensuring exceptional user experience on both iOS and Android platforms. Develop and execute comprehensive test strategies, test plans and test cases. Design, implement and maintain automated testing frameworks and tooling. Perform functional, regression, exploratory, performance, usability and compliance testing. Collaborate closely with Product Owners, Developers and Infrastructure teams throughout the SDLC. Identify, document and manage defects through to resolution. Support continuous improvement of QA processes, automation capabilities and CI/CD practices. Provide guidance on mobile testing best practices, device compatibility and platform-specific considerations. Essential Skills & Experience Proven experience as a Senior QA Engineer within a mobile application environment. Extensive testing experience across iOS and Android platforms. Strong hands-on experience with mobile automation tools such as Appium, Cypress, Selenium or Playwright. Experience testing APIs and backend services supporting mobile applications. Strong understanding of Agile delivery methodologies. Experience building and maintaining automated test suites. Knowledge of CI/CD pipelines and modern software delivery practices. Excellent communication and stakeholder management skills. Highly Desirable Experience testing AI-powered applications, conversational interfaces or chatbots. Experience with Python and/or TypeScript. Experience testing voice-enabled applications. Experience within Ed-Tech, Education, SaaS or Product-led organisations. Exposure to AWS cloud environments. Experience with performance, security or compliance testing. The interview process consists of two remote stages with the opportunity to start immediately.
Senior Mobile QA Engineer (iOS & Android) 350 to 400 per day Outside IR35 Initial 6-Month Contract Hybrid (Stratford, London) Immediate Start Available Our trusted partner within the Ed-Tech sector, employing over 10,000 people across 100 countries and supporting more than 600 million users globally, is seeking an experienced Senior Mobile QA Engineer to join a high-profile product engineering team developing innovative mobile learning applications. This role is ideal for a QA professional with extensive experience testing native and cross-platform mobile applications across iOS and Android environments, coupled with a strong background in test automation and modern Agile delivery practices. Key Responsibilities Lead quality assurance activities across mobile applications, ensuring exceptional user experience on both iOS and Android platforms. Develop and execute comprehensive test strategies, test plans and test cases. Design, implement and maintain automated testing frameworks and tooling. Perform functional, regression, exploratory, performance, usability and compliance testing. Collaborate closely with Product Owners, Developers and Infrastructure teams throughout the SDLC. Identify, document and manage defects through to resolution. Support continuous improvement of QA processes, automation capabilities and CI/CD practices. Provide guidance on mobile testing best practices, device compatibility and platform-specific considerations. Essential Skills & Experience Proven experience as a Senior QA Engineer within a mobile application environment. Extensive testing experience across iOS and Android platforms. Strong hands-on experience with mobile automation tools such as Appium, Cypress, Selenium or Playwright. Experience testing APIs and backend services supporting mobile applications. Strong understanding of Agile delivery methodologies. Experience building and maintaining automated test suites. Knowledge of CI/CD pipelines and modern software delivery practices. Excellent communication and stakeholder management skills. Highly Desirable Experience testing AI-powered applications, conversational interfaces or chatbots. Experience with Python and/or TypeScript. Experience testing voice-enabled applications. Experience within Ed-Tech, Education, SaaS or Product-led organisations. Exposure to AWS cloud environments. Experience with performance, security or compliance testing. The interview process consists of two remote stages with the opportunity to start immediately.
Pontoon
Edinburgh, Midlothian
Job Title: Visual Designer (Design System Specialist) Contract Type: Temporary Contract Length: 6 Months (with possibility for extension) Location: Edinburgh Princes Exchange (2 days a week onsite) Daily Rate: Circa 600/Day Status: Inside IR35 Working Pattern: Full Time About the Client: Join a leading UK banking organisation known for its innovative digital services and commitment to customer-centric solutions. With a multi-channel approach and significant investment in technology, this client is dedicated to transforming the banking experience for over 30 million customers. Who We're Looking For: Are you a creative powerhouse ready to bring digital experiences to life? We're seeking a Visual Designer (Design System Specialist) who excels at storytelling and thrives in a collaborative environment. Join our client's Experience Design team, where you will work alongside talented designers, researchers, and strategists. Ideal Candidate Will Have: Design System Leadership: Experience in building and evolving design systems that support scalable and consistent product design across iOS, Android, and web Is essential. Define and manage design tokens (colours, typography, spacing, motion) that translate brand UI Figma Expertise: Mastery of Figma, including advanced usage for creating reusable and accessible components is essential. Guideline Documentation: Ability to document usage best practises for designers and developers. Visual Design Experience: Demonstrable experience creating experience-led brand digital journeys. Demonstrable experience within Visual Design Collaborative Mindset: A desire to learn and support a busy multi-disciplinary team. Energy and Enthusiasm: A passion for visual design and a drive to innovate. Excellent Communication Skills: Strong stakeholder management skills with the ability to communicate designs effectively to developers and senior leaders. Your Role Will Involve: Creative Problem Solving: Use your design expertise to simplify complex challenges and enhance user experiences. Asset Creation: Design production assets, infographics, logos, and engaging interfaces for web and mobile applications. Digital Experience Design: Make the mundane exciting and create captivating digital journeys. Design System Mastery: Help scale and refine the digital design system to ensure consistency across platforms. Prototyping Excellence: Bring your designs to life using Figma and other prototyping tools. Collaboration: Work confidently within agile teams to define project priorities and visualise outcomes. Stakeholder Engagement: Communicate effectively with design teams and senior decision-makers to align objectives with customer needs. Why Join Us? Be part of a dynamic team that values creativity and innovation. Contribute to impactful projects that shape the future of banking. Opportunity for professional growth within a supportive environment. If this exciting opportunity resonates with you, even if your skills don't perfectly match the job description, we encourage you to apply! We'd love to hear from you. Bring your visual design expertise to a place where it truly matters. Apply today! Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. If you require reasonable adjustments at any stage, please let us know and we will be happy to support you.
Job Title: Visual Designer (Design System Specialist) Contract Type: Temporary Contract Length: 6 Months (with possibility for extension) Location: Edinburgh Princes Exchange (2 days a week onsite) Daily Rate: Circa 600/Day Status: Inside IR35 Working Pattern: Full Time About the Client: Join a leading UK banking organisation known for its innovative digital services and commitment to customer-centric solutions. With a multi-channel approach and significant investment in technology, this client is dedicated to transforming the banking experience for over 30 million customers. Who We're Looking For: Are you a creative powerhouse ready to bring digital experiences to life? We're seeking a Visual Designer (Design System Specialist) who excels at storytelling and thrives in a collaborative environment. Join our client's Experience Design team, where you will work alongside talented designers, researchers, and strategists. Ideal Candidate Will Have: Design System Leadership: Experience in building and evolving design systems that support scalable and consistent product design across iOS, Android, and web Is essential. Define and manage design tokens (colours, typography, spacing, motion) that translate brand UI Figma Expertise: Mastery of Figma, including advanced usage for creating reusable and accessible components is essential. Guideline Documentation: Ability to document usage best practises for designers and developers. Visual Design Experience: Demonstrable experience creating experience-led brand digital journeys. Demonstrable experience within Visual Design Collaborative Mindset: A desire to learn and support a busy multi-disciplinary team. Energy and Enthusiasm: A passion for visual design and a drive to innovate. Excellent Communication Skills: Strong stakeholder management skills with the ability to communicate designs effectively to developers and senior leaders. Your Role Will Involve: Creative Problem Solving: Use your design expertise to simplify complex challenges and enhance user experiences. Asset Creation: Design production assets, infographics, logos, and engaging interfaces for web and mobile applications. Digital Experience Design: Make the mundane exciting and create captivating digital journeys. Design System Mastery: Help scale and refine the digital design system to ensure consistency across platforms. Prototyping Excellence: Bring your designs to life using Figma and other prototyping tools. Collaboration: Work confidently within agile teams to define project priorities and visualise outcomes. Stakeholder Engagement: Communicate effectively with design teams and senior decision-makers to align objectives with customer needs. Why Join Us? Be part of a dynamic team that values creativity and innovation. Contribute to impactful projects that shape the future of banking. Opportunity for professional growth within a supportive environment. If this exciting opportunity resonates with you, even if your skills don't perfectly match the job description, we encourage you to apply! We'd love to hear from you. Bring your visual design expertise to a place where it truly matters. Apply today! Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. If you require reasonable adjustments at any stage, please let us know and we will be happy to support you.
