Senior Java Software Engineer jobs in Warrington

Role Overview We are seeking a Java Software Engineer to join a small, technically rigorous founding team building complex, data-intensive engineering systems. The role is remote-first, with periodic in-person collaboration in Oxford or San Francisco. The position involves close collaboration with the Founding Engineer on backend infrastructure, internal platforms, and system architecture. In...

Senior Golang Engineer - we are partnered with a stealth start-up company based out of London that are utilising AI to build the next generation of software. Golang Engineers will be highly skilled coding with Go and potentially have a background with other backend related languages too such as NodeJS or Python. Required: - 3+ years of relevant work experience working with Golang. - 5+ years of...

Senior/Lead Software Engineer – Fully Remote (UK) A global B2B SaaS technology business is building out its European engineering hub and is hiring multiple Senior / Lead Software Engineers (JavaScript) to develop and enhance a mission-critical platform used internationally. These are hands-on individual contributor role with strong ownership — ideal for engineers who enjoy building high-quality...

Senior / Principal .NET Software Engineer - £85,000 – Manchester Are you a highly skilled .NET Software Engineer looking to play a key role in designing, building, and evolving a modern, cloud-based platform used at scale? This is a hands-on engineering role with strong influence over architecture, technical direction, and delivery quality. You will work across backend, cloud, and frontend...

Role: Senior Embedded Software Engineer Location: Runcorn plus flexible Hybrid Working from Home. Salary: £60,000 – £70,000 DOE Our client is a pioneering medical technology business developing critical, point-of-care devices used in environments where performance, safety, and reliability are non-negotiable — from GP surgeries and ICUs to specialist hospital departments. Their products are...

About the Job This position is for a Senior Software Engineer with a minimum of 5 years of experience in backend development and a passion for building robust, scalable systems. We are looking for an engineer with a strong background in the C# .NET ecosystem, and a preference for candidates with significant experience on AWS. Are you ready for a challenge? We're looking for a dynamic software...

Senior Software Engineer | Up to £650 Outside IR35 per day | 12-month contract Senior Software Engineer Type: Remote - UK Rate: Up to £650 per day Outside IR35 A renowned cybersecurity company is searching for a driven Senior Software Engineer to assist their enterprise end client in the development of services that are hosted on public cloud platforms. You will design and deploy robust...

Senior Software Developer Hybrid | 34 hour working week | Up to £70,000 We're hiring multiple Senior Software Developers An opportunity has opened up for experienced backend-focused developers to join a growing engineering team building and evolving business-critical platforms. This is a role suited to someone who enjoys ownership, influence, and working closely with product and engineering...

Aveni is redefining how financial institutions use AI. We build real, production-ready agentic systems that reshape how banks, advisers and financial services firms operate, replacing fragmented processes with intelligent, end-to-end workflows. We have been recognised as Fintech of the Year for two consecutive years and awarded Best Specialist Technology Service at the Professional Adviser...

Team: Backend Location: UK Remote Employment Type: Full-time and Permanent Remuneration (UK – Remote): £81–108k Base Salary + Discretionary Bonus + Equity We are a stealth-mode AI laboratory researching and developing Machine Learning models. The founding team consists of Cambridge graduates and former engineers at Google, Meta, Bloomberg, Microsoft and Amazon. We are backed by prominent...

I'm partnered with an early-stage, post-revenue AI startup is building an end-to-end operating system to help businesses detect and resolve complex B2B issues before they become costly or disruptive. The product is already being used by large enterprises across multiple industries, and demand is growing fast - hence this hire! Backed by a top-tier European venture fund, the company is tackling a...

Focus 5 Recruitment are working with an exciting software business who have just been awarded 2 large contracts with international Mobile Network Operators. Appointed to help them source a suitable Senior Full Stack Software Engineer, we're looking for candidates who have experience of producing efficient code to enable the smooth and efficient running of both internal and client facing...

About Prighter Prighter is a fast-growing LegalTech company building productised services and SaaS solutions for compliance with data protection as well as AI & digital governance regulations. With the mission to enable companies around the world to comply with regulatory requirements for their digital business, our services and SaaS solutions guide our global clients through the increasingly...

Job Spec - Backend Engineer About Beacon Beacon is building the AI Supply Chain workspace that customers really want. We're building end-to-end visibility, automated workflows, and effortless collaboration that create material savings and unlock new value for our customers. Backed by leading venture investors we're a team passionate about product and solving the most complex day-to-day...

At Orange Logic, we've been solving complex content challenges for over two decades—driven by innovation, curiosity, and a passion for impact, our intelligent Digital Asset Management (DAM) system, Orange Logic Platform, empowers organizations across industries to manage, access, and leverage their digital assets more effectively. We're not just building powerful software—we're building a team of...

Position Overview About the Client Our client is a global leader in travel technology, powered by a team of curious, collaborative innovators who build products that help millions of people explore the world. While data and engineering excellence form the backbone of their work, the company's deeper purpose is to make travel more accessible — enabling memorable experiences, new friendships, and...

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 product—Spark...

Principal Grafana Network Analytics Engineer Edinburgh, UK | Fully Remote (UK-based) Engineering | Cyber Security £95,000 & Benefits Ever wanted your dashboards to actually defend the internet? This role does exactly that. I'm recruiting on behalf of a high-growth cyber security technology company that protects some of the world's most critical online services from large-scale DDoS and...

Senior Software Engineer in Test Enterprise SaaS Platform | Manchester | Hybrid (2 days onsite) Salary: up to £70,000 + 10% bonus The Opportunity This is a chance to join a high-growth, enterprise SaaS organisation building complex, high-throughput platforms used at scale across the UK and Europe. Quality Engineering is treated as a core engineering discipline, not a support function. As the...

Principal Software Engineer Fully Remote | Permanent | Competitive Salary + Benefits Harrington Starr has partnered with a leading Global Payments Technology company who are seeking to hire a Principal Software Engineer to join their senior engineering leadership team. This is a rare opportunity to combine hands-on development with strategic influence, guiding architecture decisions and shaping...