Senior Software Development Engineer jobs in Colchester

🚀 About Webigence and Spark Travel Webigence has 25 years of experience crafting UX‑first, often highly complex software. Our engineers pair forward‑thinking agile practices with an obsession for intuitive design, shipping products that feel effortless even when the logic underneath is anything but. Alongside a handful of long‑standing third‑party clients, we’re scaling our own SaaS...

About PostGrid: PostGrid is a global leader in enterprise SaaS platform for automated offline communications. Our robust APIs empower organizations to create, personalize, and dispatch physical mail letters, postcards, checks, and more to any address on the globe without ever touching an envelope, while ensuring clean address data. Operating at massive scale across multiple regions, we’re...

Senior Software Developer | Colchester | Full Time| £40,000-£50,000 depending on experience + benefits Our client is a specialised Freight Forwarding and Fuel Distribution Software company with over 30 years of Software development experience. The company offers a flexible working environment with standard office hours from 9:00 am to 5:30 pm with option to split time between home/remote...

Job Description Your new company Join a purpose-driven organisation at the heart of a thriving community, where technology is being harnessed to transform lives. This values-led public sector organisation is embarking on a bold digital transformation journey, with a clear mission to deliver outstanding services to end-users through innovation and excellence. With a strong commitment to social...

Senior Software Developer - Java / Python with Delphi We’re looking for an experienced Software Engineer (Java/Python) to join a high-profile government project focused on modernising and integrating complex systems within a secure environment. You’ll work across backend development, integration and automation – with occasional support for legacy Delphi components as part of wider platform...

Senior Software Developer required by a successful software company with an international client base. The Senior Software Developer will be responsible for full stack development with C# and React as part of the ongoing evolution of the company's core SaaS product as they evolve a traditional monolith architecture towards a modular monolith. Key experience - Extensive C# experience - SQL...

Senior Software Engineer – Join a profitable FinTech Scale-Up 🚀 💰Up to £110,000 🏡Remote working – once a month onsite in London 💻React, TypeScript, API experience, Node.js or Python We’re partnered with a leading FinTech scale-up who are transforming how small businesses access finance to grow and scale. The business is backed by a strong track record and with an ambitious mission, they’ve...

You must be UK based & have full right to work in the UK. - If this role sparks an interest and you're keen to learn more, Please apply or email me on Tommy@digitalwaffle.

Senior Software Engineer (C#/.NET) 📍 Remote-first (UK) | 💰 Up to £100k + benefits | 🕓 Permanent We’re supporting a fast-growing fintech fx platform that builds institutional-grade trading and risk-management systems used by global corporates and investment managers. Their engineering teams are scaling out the core trading backbone, a .NET-based microservices environment powering billions in...

You will technically lead ATE projects from concept to deployment, mentoring junior engineers and collaborating with cross-functional teams in hardware, firmware, and manufacturing to enhance product test coverage, throughput, and diagnostic accuracy. Key Responsibilities:

Ready for a challenge? Then Just Eat Takeaway might be the place for you. We’re a leading global online food delivery platform, and our vision is to empower everyday convenience. Whether it’s a Friday-night feast, a post-gym poke bowl, or grabbing some groceries, our tech platform connects tens of millions of customers with hundreds of thousands of restaurant, grocery and convenience partners...

Senior ServiceMax Software Engineer Remote with keep in touch days onsite £70,000-£75,000 Cubiq is pleased to be working with a growing technology company in the medical sector that’s looking for a Senior ServiceMax Software Engineer to join their Enterprise Systems team. This role will suit someone who enjoys solving problems, working with others, and building strong, scalable software that...

Join Our ScriptRunner Platform Team as a Senior Software Engineer! Are you passionate about developing innovative solutions that enhance user experiences for millions? Do you have a knack for leading and mentoring teams to success? If so, ScriptRunner is looking for a dynamic Senior Software Engineer to join our talented ScriptRunner Cloud team. About us: ScriptRunner is committed to...

Senior Java Software Engineer 📍Remote UK | 🌍 Global Fintech | 💳 Merchant-First Payments Ecosystem A high-growth global fintech, renowned for delivering world-class payments-related software and technology, is looking to expand its engineering team. As the company continues to scale its platform to meet growing demand, they’re seeking experienced engineers to join their collaborative,...

Senior Full Stack Software Engineer - AI Enablement Team Location: UK Remote Contract Duration: 6 months Start Date: Ideally by 1st December 2025 Position Overview: We are assembling a high-impact AI Enablement Team focused on accelerating software development through the strategic use of AI tools and pipelines. Unlike traditional AI teams, this group will not be building models from scratch....

Senior Software Engineer - Go/React/AWS - Remote - New Role A leading organisation in the Gloucestershire area requires a Senior Software Engineer to join its growing team. Suitable candidates will have strong Go and React experience coupled with AWS experience. The successful candidate will have the following: - Substantial experience in full stack development (Go). - Proficiency in React and...

You will mentor a small team of 3 talented developers while remaining hands-on with coding and solution design. You’ll help define how software is built, scale systems, and influence the technical direction of a globally used SaaS product. You’ll be supported by a collaborative leadership team that values technical excellence, autonomy, and personal growth.

Senior Software Engineer – Trading Systems | Clean Energy | Remote | €85 + Bonus Ready to use your software skills to power the next generation of clean energy? 🌍 This leading Greentech scale-up (backed by £250m+ in funding) is building trading and monitoring systems that optimise how clean energy is traded, stored, and delivered across global markets. They’re expanding their offshore...

Job Title: Senior Software Engineer – Video/AI Deployment Location: Remote Contract Length: 3 months – initial Rate: upto £45/hour - must have own limited company Start Date: ASAP Company Overview Our client is a pioneering leader in medical technology, focused on developing secure, high-performance software solutions that enhance patient care. Their multidisciplinary teams work at the...

Senior Software Engineer | Digital Identity, Supply Chain & FinTech Competitive salary + share options UK - Remote We’re partnering with an innovative authentication and automation platform operating at the intersection of digital identity, cybersecurity, and financial technology. Backed by experienced founders and VC investment, the company is scaling its first commercial applications in...