Contract Software Developer jobs in High Wycombe

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...

Location: Mostly remote (with one day per month in Milton Keynes) Salary: £75,000 - £80,000 Contract type: Full time, permanent Our client is seeking a Lead Software Developer to join their engineering team. This is an opportunity to take on a pivotal technical leadership role within a collaborative, Agile environment, working alongside colleagues across multiple regions. If you are passionate...

Contic is a startup consultancy that designs, builds, and supports digital products that drive businesses forward. We work with clients of all sizes—from early-stage founders to enterprise teams—to bring ideas to life and support them long after launch. But we're more than just builders. We're a team of creative thinkers, technical experts, and trusted partners who care deeply about impact....

You will enjoy a varied role across both rural and commercial sectors, and work within a collaborative team culture that values professional excellence and long-term client service. LocationEast Midlands. Office-based / hybrid role. The RoleWe are now looking for an ambitious and forward-thinking Rural Surveyor with the potential to develop into Partnership.

***Immediate Contract requirement *** Job Title: Release Manager (Critical Manufacturing) Job Type: Contract Duration: 6-12 months (potential to extend) Location: Anywhere in the UK or East EU Work Type: Remote Start Date: Immediate Rate: Best in the market Job Summary: We are seeking an experienced Release Manager / Configuration Management Engineer with a strong Critical Manufacturing...

Join OSF Digital this year - a globally recognised digital transformation specialist, and be part of our driven and innovative team. As a trusted Salesforce partner for over a decade, we are experts in B2B, B2C, and multi-cloud solutions. We have recently celebrated our 20th anniversary and have been steadily expanding our global presence. We are proud of our many accomplishments, including...

Job Description Our client is a fast-growing renewable energy contractor, specialising in solar PV and EV charging solutions for both residential and commercial markets. With a strong commitment to sustainability, quality, and customer satisfaction, they are now seeking an experienced and commercially astute Estimator to join their solar PV division. This role will focus on new-build...

Software Engineer | £400 - £425 | Outside IR35 | 12 Months | Fully Remote We’re recruiting an experienced Software Engineer to support our client on a contract basis. This 12-month contract is determined as Outside IR35 and offers a daily rate of £400 - £425 per day. This project can be completed on a fully remote basis however occasional trips to the office in Bath is welcomed. Key...

Backend Software Engineer UK Remote 6 Month Contract A fantastic contract role has opened up for a highly skilled Backend Software Engineer with strong expertise in Go. This is an exciting chance to join a leading technology company known for its high engineering standards and innovative approach to distributed systems. In this position, the Backend Software Engineer will play a central role...

Job Description Senior Flow Assurance Engineer required for 6 month contract role, working on behalf of our client, a global oil & gas engineering contractor, based in Surrey. A minimum of 10 years experience is essential, including experience in single and multiphase pipelines (steady state and transient hydraulic) analyses using industry standard software, e.g., OLGA, PIPESIM, PIPENET...

At Reltio®, we believe data should fuel business success. Reltio’s AI-powered data unification and management capabilities—encompassing entity resolution, multi-domain master data management (MDM), and data products—transform siloed data from disparate sources into unified, trusted, and interoperable data. The Reltio Data Cloud™ delivers interoperable data where and when it's needed, empowering...

Freelance Remote Opportunity: Tech Lead – GenAI Code Initiatives We’re seeking an experienced Tech Lead / Senior Software Engineer to spearhead our GenAI Code Initiatives. This is a hands-on, freelancing remote role focused on evaluating, improving, and advancing AI-driven code generation systems. Key Responsibilities - Code Generation & Refinement: Write, evaluate, and refine complex code...

We seek a Senior Engagement Manager to join our world-class client, one of the leading and most advanced Software Development companies. - Work Location: Remote within the UK (Occasional visits to offices in Staines or London are optional. Some travel may be required during project kick-offs.) - Employment Type: Temporary Placement (via us – Dexian) – Temporary Agency Worker Employment...

POWWR are looking for an experienced Technical Lead to join our UK engineering team and help drive the design, development, and delivery of POWWR’s SaaS energy marketplace platform. In this hands-on leadership role, you’ll guide a team of engineers spanning front-end, back-end, and data disciplines, ensuring architectural integrity, engineering excellence, and continuous improvement. You’ll...

We are looking for a User Experience (UX) Designer that applies a user-centered design methodology throughout the entire project lifecycle. You’ll integrate the client’s business requirements, customer/end-user needs, and technical capabilities to create a seamless user experience. With expertise in prototyping and wireframing, you will effectively incorporate usability best practices and...

Business Development Manager UK - (remote working) Reference Number #TBH38 About Us IES is a global leader in climate tech, pioneering cutting-edge technology solutions and consultancy services to help decarbonise the built environment. With our market-leading design and analysis software and innovative digital twin technology, we empower AEC and building operation professionals to design and...

Enterprise Account Executive – AI-Driven Content Platform (New Logo Acquisition) Remote position in the UK. About the Role We’re seeking a dynamic Enterprise Account Executive to lead new customer acquisition efforts for our AI-powered content and experience platform serving the media and digital publishing industries. This high-impact role focuses exclusively on winning net-new enterprise...

RUST Software Engineer 100% Remote Working - Must be based within Europe Daily rates up to $475 (Subject to experience) - Will be paid in USD Duration TBC (Long-Term contract) Ideal start date Monday 15th December 2025 Our client is a Web3/Blockchain organisation that are currently working on some high-profile projects, and they are currently in need of a RUST Software Engineer on a contract...

Lead .NET Software Engineer/Architect (Azure / Event-Driven Architecture) Location: Fully Remote Length: 3 month Inside IR35 Contract (Extension Available) We’re seeking a Lead .NET Engineer to take ownership of architecture, design, and delivery across high-scale, event-driven services powering millions of user notifications and messages. You’ll play a key role in shaping our technology...

Backend Engineer Remote, UK 6 Month Contract An incredible opportunity for an experienced Backend Engineer with advanced Go skills to join a prestigious tech client on a contract basis. This company is renowned for its engineering excellence - and it's not just the tech stack or the day rate that stands out. Contractors here regularly speak highly of the fast-moving, collaborative culture where...