126 to 150 of 240 Software Engineering Jobs in Essex

Senior Software Engineer (Blockchain) Location: Remote Salary: Up to £120,000 + Bonus Are you ready to shape the future of digital finance? We're partnering with a pioneering organisation at the forefront of blockchain innovation to find a Senior Software Engineer who thrives on solving complex problems … seamless experiences. Design and integrate yield-generating protocols and treasury management tools. Collaborate with cross-functional teams to ensure compliance, scalability, and security. Drive engineering excellence through best practices, testing, and mentorship. What We're Looking For: Senior level experience in fullstack and blockchain engineering. Deep expertise in Solidity ...

Low Latency C++ Engineer | Crypto Trading Powerhouse Up to £185,000 DOE + RSUs + Bonus + Benefits Fully Remote (must be based in the UK) Want to help shape the future of crypto trading ...

Low Latency C++ Engineer | Crypto Trading Powerhouse Up to £185,000 DOE + RSUs + Bonus + Benefits Fully Remote (must be based in the UK) Want to help shape the future of crypto trading ...

Low Latency C++ Engineer | Crypto Trading Powerhouse Up to £185,000 DOE + RSUs + Bonus + Benefits Fully Remote (must be based in the UK) Want to help shape the future of crypto trading ...

Lead Software Developer Java, Spring Boot, Python, AWS, DB2 £550-600 per day, Outside IR35 Starting date: 5th January 2026 Duration: Initially 6 Months (very likely to extend) Fully Remote Unify are proud to be exclusively representing a UK Consultancy partner who urgently requires the services of a Lead … Software Developer, on an Outside IR35 Contract basis, to join a project team delivering a high profile Government program. Essential Skills & Experience: Software Development Expertise: Proven experience as a software developer, specifically with a background in software upgrades, bug fixes, and addressing vulnerabilities Agile Methodologies: Strong ...

Graduate Software Engineer – High-Growth Research & Technology Company (Near Cambridge) My client is a fast-growing research and technology company near Cambridge, seeking a Graduate R&D Software Engineer to support a broad range of research and development activities. This is an exciting entry-level opportunity … motivated early-career engineer who enjoys variety, problem-solving, and working in a fast-paced, hands-on environment. Key Responsibilities Design and develop innovative software solutions in collaboration with the engineering team Build tools and methods for data gathering, preprocessing, and optimisation for machine learning and algorithm development ...

front-end and back-end elements of the system. This role is suitable for developers with a strong foundation in .NET and cloud-native engineering, and offers scope to grow technical ownership within a supportive, delivery-focused team. You'll be working in an environment that values collaboration, learning … continuous improvement. Key Responsibilities Design, build, test, and deploy robust software components using modern development tools and approaches. Contribute to the evolution of the platform's services and infrastructure, ensuring performance, resilience, and security. Support and extend CI/CD pipelines and contribute to the automation of deployment ...

front-end and back-end elements of the system. This role is suitable for developers with a strong foundation in .NET and cloud-native engineering, and offers scope to grow technical ownership within a supportive, delivery-focused team. You'll be working in an environment that values collaboration, learning … continuous improvement. Key Responsibilities Design, build, test, and deploy robust software components using modern development tools and approaches. Contribute to the evolution of the platform's services and infrastructure, ensuring performance, resilience, and security. Support and extend CI/CD pipelines and contribute to the automation of deployment ...

leading consultancy who are supporting a household brand who work in the financial services space. We're on the lookout for a talented C# Software Engineer to join a brand-new team delivering a cutting-edge, greenfield digital transformation Programme. This is a fantastic opportunity to work with … practices. About the Role You'll be a key part of an agile scrum team, building and delivering new digital solutions using modern engineering principles. From shaping the architecture to hands-on coding and deployment, you'll work across the full SDLC. What We're Looking For A strong ...

leading consultancy who are supporting a household brand who work in the financial services space. We're on the lookout for a talented C# Software Engineer to join a brand-new team delivering a cutting-edge, greenfield digital transformation Programme. This is a fantastic opportunity to work with … practices. About the Role You'll be a key part of an agile scrum team, building and delivering new digital solutions using modern engineering principles. From shaping the architecture to hands-on coding and deployment, you'll work across the full SDLC. What We're Looking For A strong ...

Principal Software Architect (FinTech SaaS) – UK Remote We are representing a scaling B2B FinTech that provides core decisioning infrastructure for the global financial services sector. Their enterprise SaaS technology enables major lenders to modernise their credit assessment processes, allowing for more efficient deployment of capital to the commercial sector. … high-visibility leadership role. You won't just be managing a team; you'll be fostering a culture of \"intellectual curiosity\" and engineering excellence across several multidisciplinary squads. You will be the bridge between complex product needs and robust, scalable reality—helping the business \"make it work, then make ...

Principal Software Architect (FinTech SaaS) – UK Remote We are representing a scaling B2B FinTech that provides core decisioning infrastructure for the global financial services sector. Their enterprise SaaS technology enables major lenders to modernise their credit assessment processes, allowing for more efficient deployment of capital to the commercial sector. … high-visibility leadership role. You won't just be managing a team; you'll be fostering a culture of \"intellectual curiosity\" and engineering excellence across several multidisciplinary squads. You will be the bridge between complex product needs and robust, scalable reality—helping the business \"make it work, then make ...

Principal Software Architect (FinTech SaaS) – UK Remote We are representing a scaling B2B FinTech that provides core decisioning infrastructure for the global financial services sector. Their enterprise SaaS technology enables major lenders to modernise their credit assessment processes, allowing for more efficient deployment of capital to the commercial sector. … high-visibility leadership role. You won't just be managing a team; you'll be fostering a culture of \"intellectual curiosity\" and engineering excellence across several multidisciplinary squads. You will be the bridge between complex product needs and robust, scalable reality—helping the business \"make it work, then make ...

with clients to uncover problems, build prototypes, and guide full AI-enabled solution lifecycles. This is a role for engineers who: Enjoy building real software that makes a difference Are passionate about AI and its practical application Thrive at the intersection of technical leadership and client engagement What … workshops with technical and business stakeholders Represent the organisation's technical capabilities in high-stakes client meetings Build trust and long-term relationships with engineering teams and decision-makers Solution Development & Architecture Build and iterate working AI prototypes quickly Architect scalable, maintainable systems from prototype to production Make sophisticated ...

with clients to uncover problems, build prototypes, and guide full AI-enabled solution lifecycles. This is a role for engineers who: Enjoy building real software that makes a difference Are passionate about AI and its practical application Thrive at the intersection of technical leadership and client engagement What … workshops with technical and business stakeholders Represent the organisation's technical capabilities in high-stakes client meetings Build trust and long-term relationships with engineering teams and decision-makers Solution Development & Architecture Build and iterate working AI prototypes quickly Architect scalable, maintainable systems from prototype to production Make sophisticated ...

Software Engineer Venture 2 Venture 2 is building the next generation of AI-enabled products. Our work spans one-to-many inference systems with applications in anti-piracy, heavy industry optimisation, and prediction markets. We operate as a hybrid venture studio: developing our own D2C and B2B products while … owned companies through contract-based development. Following a successful funding round and with a seven-figure contract backlog in place, we are expanding our engineering team. This is an opportunity to join early, gain exposure to cutting-edge systems, and progress rapidly into leadership roles. Role Overview ...

Software Engineer Venture 2 Venture 2 is building the next generation of AI-enabled products. Our work spans one-to-many inference systems with applications in anti-piracy, heavy industry optimisation, and prediction markets. We operate as a hybrid venture studio: developing our own D2C and B2B products while … owned companies through contract-based development. Following a successful funding round and with a seven-figure contract backlog in place, we are expanding our engineering team. This is an opportunity to join early, gain exposure to cutting-edge systems, and progress rapidly into leadership roles. Role Overview ...

Software Engineer Venture 2 Venture 2 is building the next generation of AI-enabled products. Our work spans one-to-many inference systems with applications in anti-piracy, heavy industry optimisation, and prediction markets. We operate as a hybrid venture studio: developing our own D2C and B2B products while … owned companies through contract-based development. Following a successful funding round and with a seven-figure contract backlog in place, we are expanding our engineering team. This is an opportunity to join early, gain exposure to cutting-edge systems, and progress rapidly into leadership roles. Role Overview ...

building the robust, scalable and secure backend systems that power our enterprise SaaS platform. We believe in the use of AI tools to increase engineering velocity, while making sure they are used responsibly with clear guardrails. Role: You'll bring your experience building APIs and backend services in C#.NET … fast-moving, startup environment Strong communication skills and a collaborative mindset Experience delivering pragmatic solutions and implementing iterative design approaches Strong understanding of engineering fundamentals, including design patterns, SOLID principles, and clean code. Nice to Have: Experience with Kubernetes or other orchestration systems Exposure to bare metal deployments ...

partner to fast-growing tech startups and scale-ups across Europe and North America. We support founders and hiring leaders to build high-performing engineering, product, data, and technical leadership teams. We operate as true headhunters. No job ads, no CV farming, no volume churn. Our work is research … looking for You will likely be a strong fit if you: ● Have solid experience recruiting in candidate-short, highly specialised markets (ideally software engineering, product, data, or technical leadership) ● Are confident with active sourcing as your primary delivery method, not inbound applications ● Can build credibility quickly with senior ...

partner to fast-growing tech startups and scale-ups across Europe and North America. We support founders and hiring leaders to build high-performing engineering, product, data, and technical leadership teams. We operate as true headhunters. No job ads, no CV farming, no volume churn. Our work is research … looking for You will likely be a strong fit if you: ● Have solid experience recruiting in candidate-short, highly specialised markets (ideally software engineering, product, data, or technical leadership) ● Are confident with active sourcing as your primary delivery method, not inbound applications ● Can build credibility quickly with senior ...

About the Team We are looking for a Software engineer with strong record in software development and interested in developing services for one of the most internationally used data resources in biological science, UniProt. Our team is very dynamic and interdisciplinary comprising talented and enthusiastic software engineers … large and diverse research community in genomics, proteins and proteomics. Duties & Responsibilities As part of your daily work, you will be designing and developing software and APIs for the UniProt data services and website, providing protein information to the scientific community and computational biologists. You will also be working ...

Senior+ Software Engineer - Python | FastAPI | AWS £90,000-120,000 + Bonus and Stock Flexible benefits | 90 day work-from-anywhere perk Python, FastAPI, gRPC, AWS Remote first or hybrid (London) InsurTech | high traffic, scalable, event-driven, microservices development We've partnered with one of the UK's most … years. Following a successful profitability push, they're now entering a growth phase and expanding their product offering. As a Lead/Senior+ Software Engineer you'll help drive technical direction and architecture within a product-led squad environment, rotating across business domains. This is an opportunity to gain ...

love untangling hard problems, improving legacy systems, and shipping clean, tested code, you'll fit right in. Your role as a Senior PHP Software Engineer at True9: Lead the back-end - write clean, maintainable, and scalable code using PHP and frameworks like Symfony across a variety of projects. Drive ...

love untangling hard problems, improving legacy systems, and shipping clean, tested code, you'll fit right in. Your role as a Senior PHP Software Engineer at True9: Lead the back-end - write clean, maintainable, and scalable code using PHP and frameworks like Symfony across a variety of projects. Drive ...