26 to 50 of 74 Software Engineering Jobs in Colchester

Technical lead – SaaS/AI scale up £90-£120k+ Benefits + Remote working A hands-on Tech Lead/Principal Software Engineer opportunity for an exciting tech business offering innovative products to a global customer base. The Tech Lead will remain hands-on in a full stack Ruby, Rails … Rails, TypeScript, React, AWS or similar stack Excellent problem-solving skills and the ability to work in a collaborative product led team Advocate for Software engineering best practice – Unit testing, CI/CD, Pair Programming etc Interested in working on complex problems with senior engineers The ability ...

product leverages custom large language models and cutting edge research in generative AI to deliver adaptive, personalised solutions. They're now growing their engineering team to take the platform to the next level. What You'll Do Build and maintain complex, high-performance front-end applications using React … Looking For Strong experience in React.js and TypeScript, ideally in production environments. Excellent algorithmic thinking and problem-solving skills. Background in Computer Science, Software Engineering, or similar technical discipline. Enthusiasm for AI and building products that integrate emerging technologies. Why Join £80k – £100k salary depending on experience. Work ...

Vacancy Are you a Senior Software Developer looking to make a real impact in healthcare technology? Do you want to work on meaningful products that support medical professionals and trainees across the UK? If so, this could be the perfect opportunity for you. We're looking for a talented … motivated Senior Software Developer to join the FourteenFish team at Optum UK. You'll be part of a collaborative, forward-thinking group building world-class solutions that improve the lives of healthcare professionals. This role will see you working across our product suite, contributing to the design, development ...

developing products used by the world's largest Pharmaceutical Companies? Are you interested in working with pioneers in the field of AI and software engineering? Are you interested in innovating for impact? If you are then read on for a role with a difference where you can join … Collaborate on UI/UX integration, code reviews, architecture and roadmap decisions, and cross-functional work with data science, product, and commercial teams. Data Engineering - Design and maintain efficient data pipelines, ensuring smooth data flow between systems and LLM components while implementing robust validation, transformation, and enrichment processes. Cloud ...

build production-grade data and application workflows on Foundry, own technical decisions end-to-end and work directly with senior stakeholders while mentoring engineering teams. Core Responsibilities Foundry Solution Design & Build Own end-to-end solution design across: Data integration (Pipeline Builder/code-based pipelines, connectors, incremental loads … root cause analysis for platform and application issues. Define and enforce non-functional requirements (SLA/SLOs, resilience, disaster recovery). Client-Facing Engineering & Stakeholder Management Run technical discovery with senior stakeholders to translate business needs into concrete Foundry use cases. Present architectures, trade-offs and risk assessments ...

platform and application issues. Assist in applying non-functional requirements (SLA/SLOs, resilience, backup and recovery) defined by senior engineers. Client-Facing Engineering & Stakeholder Support Join technical discovery sessions to help translate business needs into Foundry use cases. Prepare and demo prototypes, data flows and applications to technical … design patterns and contribute improvements as you gain experience. Required Experience Commercial experience working with Palantir Foundry or AIP in an implementation, consulting or engineering role. Hands-on experience with: Building and maintaining pipelines and/or ontologies. Developing or supporting Foundry and AIP applications (Workshop, Code Repos, OSDK ...

mature, product-led SaaS business that operates at the intersection of large-scale data, search, and compliance-critical systems. This is a hands-on engineering role for someone who enjoys solving complex backend problems, working with real production data at scale, and contributing to the evolution of an established … wider v1 → v2 product rewrite, focusing on scalability, performance, and reliability Collaborating closely with other senior engineers to make pragmatic, production-ready engineering decisions This is not a people-management role. It's for engineers who want to stay deeply technical and have real ownership over what they build. ...

Senior Software Developer Java, Spring Boot, Python, AWS, DB2 £475-500 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 Senior … 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 ...

fast-growing AI-driven SaaS company is hiring three Senior Software Engineers to join its engineering team. These are hands-on roles with a strong backend and architectural focus, ideal for engineers who enjoy working in scale up or startup environments and want to build high-quality, cloud … native software that powers real-world automation. You'll be part of cross-functional squads delivering modern, serverless, AI-enabled applications used in highly regulated industries. The company has a strong engineering culture, embraces AI-assisted development, and offers autonomy, impact, and the chance to help shape technical ...

Title: Senior Software Engineer (.NET + React) Job Type: Permanent Location: UK Remote based Salary: £70,000-£80,000 (DOE) Skills: C#, .NET Core, React (Typescript), Azure, Microservices, Design Patterns Roc Search are seeking a Senior Software Developer with .NET and React experience to join a collaborative … team building globally used, cloud-based products. This is a hands-on role covering development, research, and maintenance across the full software development lifecycle. This is a fully remote role but they do have an office based in London. It is a greenfield project where you will be involved ...

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 ...

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 ...

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 ...

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 ...

Software Engineer | £40k to £60k + Equity | An early stage, well funded AI startup is transforming one of the most outdated and mission critical industries in the economy. It is a £64B market still relying on manual checks, PDFs and spreadsheets. The team is building AI native agentic systems … that compress certification and audit timelines from months to days. They are using modern workflows, LLM powered automation and strong engineering practices. After closing an oversubscribed pre seed round, they are now looking for a Junior Full Stack Engineer to join the founding team in Scotland. Why this role ...

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 ...

Software Engineer, GraphRAG, TypeScript, AWS, Remote, CO7428 A pre-seed start-up building a workflow and intelligence platform powered by agentic AI, multimodal analysis and domain-specific insight, requires an AI Software Engineer/Knowledge Graph Specialist. The AI Software Engineer will be contracted initially … month as they complete the build of their MVP, but with every expectation of extending. Working fully remotely and outside of IR35, the AI Software Engineer will: Own the architecture for the module being built Work directly with the CTO and product specialists to translate requirements into scalable technical ...

Junior-Mid Level Node.js Software Engineer (Must have prior government experience) 12 month fixed term contract The Company At Amber Labs, we are a cutting-edge UK and European technology consultancy that prioritises empowering autonomy, promoting experimentation, and facilitating rapid learning to provide exceptional value to our clients. … skilled cross-functional consultants, analysts, and support staff. Your Role We're on the lookout for a curious and motivated Junior-Mid Level Node.js Software Engineer to join our growing engineering team. This is a fantastic opportunity to work with modern technologies, learn from experienced mentors, and contribute ...

Location | UK (Hybrid/Remote) Offer | £60,000 + Benefits The Role Join a fast-growing fintech SaaS business that's scaling its engineering team and modernising its core platform. This is not just a coding role, you'll contribute to design, architecture, and feature delivery across a cloud … scalable solutions in C#/.NET Core with cloud-native architecture. Contribute to event messaging, webhooking, and architectural design. Deliver features across the full software lifecycle in Agile squads. Optimise performance through refactoring, database improvements, and clean coding. Shape reactive front ends using HTMX + CSS. What Makes ...

signed directly with the client. We provide visa sponsorship for candidates who are currently based in the UK. We're looking for a Software Engineer II - Frontend Focus to join our fast-growing team. This role is open to candidates based within a commutable distance (generally within … where the key objective is getting things done. Working closely alongside product managers and designers, our engineers are part of the full process from software design, to code, to test, to deployment and back again. Most of our engineers release code to production every few days and we have ...

Role: AWS Software Engineer Location: UK (Remote) Type : Permanent Job Description: • Design, develop, and maintain scalable backend services on AWS. Build event-driven architectures using SQS, Kafka, Kinesis, or RabbitMQ. • Develop high-performance applications using Scala. • Design and integrate data solutions using SQL and NoSQL databases (e.g., RDS, DynamoDB ...

work. The Opportunity: Our client's Development & Integrations team designs, builds, and supports internal platforms and customer-facing solutions that underpin a global engineering services business. This includes bespoke applications, system integrations, and digital tools that enable the management of complex engineering and network data. As a Software … development experience using modern JavaScript frameworks (e.g. React, Vue, Angular). Experience designing and building data-driven web applications and APIs. Solid understanding of software development best practices, security, and scalability. Experience working in Agile/DevOps environments. Desirable Experience (bonus) Experience integrating with Salesforce (APIs, data synchronisation ...