Contract Software Engineer jobs in Clerkenwell

You will help qualify components for some of the most sophisticated systems in the world, collaborating with dedicated multidisciplinary teams in a hands on environment. This role is ideal for an engineer who enjoys problem solving, testing complex technology and ensuring the highest levels of software quality.

Mid-Level Software Engineer (Java / AWS) Contract | £350 per day Inside IR35 | Hybrid (1 day pw London) We’re supporting a large, well-established UK organisation on a key digital delivery programme and are looking for two mid-level Software Engineers to join an existing engineering team. This is a hands-on development role suited to engineers who enjoy writing clean, testable code, working...

C# DEVELOPER (CONTRACT) A leading commodities trading environment is expanding its Trading IT function and is hiring an experienced C# / .NET Developer to support the implementation of a new LNG trading system and associated tools. This is a rare opportunity to work hands-on on a modern LNG trading platform within a front-office–aligned technology team. £800–900 per day This is a senior,...

BMS Service Engineer – Central London ( Contract Role) Salary: £45,000 – £65,000 DOEWe are looking for an experienced and motivated BMS (Building Management System) Service Engineer to join our team in Central London. This is an excellent opportunity for a skilled engineer to work across a variety of commercial and industrial sites, delivering high-quality service, maintenance, and optimisation...

You will be involved in the design, development, and proving of key products throughout the product lifecycle from concept to in-service support. - Architecture and Requirement definition. Working with hardware and system engineers to define the FPGA needs. - Design implementation and test.

Company Description Egis is a leading global architecture, consulting, construction engineering and operating firm. We work side by side with clients to build a more balanced, sustainable and resilient world. Omnia Projects, part of the Egis Group, are a UK-based engineering consultancy specialising in electricity Transmission and Distribution (T&D) providing engineering, project management and...

Pre-Sales Engineer (SaaS) Location: London (Hybrid) Salary: £55,000 – £70,000 + benefits Company Overview Our client is a rapidly scaling SaaS business delivering modern, cloud-based workflow and case management solutions with powerful financial and operational features. Their platform enables professional services organisations to streamline processes, improve efficiency, and gain real-time...

You will bring your breadth and depth of hands-on experience with a range of non-functional testing practices to deliver value to your daily work and support your colleagues on your client team.

You will be expected to contribute to client delivery ceremonies and practices, such as daily stand-ups, planning, refinement and reviews.

Principal Electrical Engineer – Oxford Salary: £50,000–£70,000 | Hybrid: 3 days in-office, 2 days remote We’re looking for a Principal Electrical Engineer to join a growing team of 8 in Oxford, helping deliver building services projects from design through to completion. The team is expanding, so this is a great opportunity to lead on design, manage projects, and mentor junior engineers. What...

You will own and evolve the Jenkins Shared Library, focusing on delivering fast, secure, and provenance-rich pipelines that strengthen software supply-chain integrity.

You will be responsible for a pipeline that supports Java, Node, Python, and cloud-native deployments, ensuring compliance and performance at a global scale

Role: Finance Business Analyst Salary: £70,000 - £75,000 Contract Length: 24 months Fixed Term Contract Hybrid working: 2 days on site, London We are seeking a Business Analyst to join a dynamic project management and transformation team within the Finance PMO. The role will support global finance systems and process initiatives, ensuring effective delivery and alignment with business...

Company Description Egis is a leading global consulting, construction engineering and operating firm. We work together with our clients, across every aspect of transport, energy and the built environment to build a more balanced, sustainable and resilient world. The Egis Group has over 50 years’ experience and a team of 19,500 employees in over 120 countries around the world. Joining our Group...

Job title: Project Controls Manager Job Type: Contract Start date: Immediate Duration: Up to Dec 2026 (Extension possible beyond this) Pay rate: Up to £660 per day (dependent on experience) PAYE, Umbrella options available Location: Soho, London Hours of work: 2-3 days on site, with travel to other Sizewell offices and site on occasions We are seeking an experienced Project Controls...

Strategy Consultant - London, England, United Kingdom - Employees can work remotely - Full-time Company Description At 3HORIZONS, we’re reshaping what strategy means in the real world - not as a document, but as a force for impact. We are a global strategy consultancy trusted by leading organisations across industries: from multi-billion industrial powerhouses and pharmaceutical giants to...

You will shape our go-to-market motion, elevate our sales playbook, and drive our expansion into key European markets.

We are seeking a highly experienced Lead Java Developer to join our team on a contract basis (Inside IR35). Required experience: Technical Expertise: Expert-level proficiency in Java and Kotlin development, demonstrated within large-scale, production environments. Team Leadership: Strong team lead background with significant experience coaching, mentoring, and leading senior and junior...

You will be involved in: - Develop manufacturing processes - Medium /Large CNC machined components - Defining sequence of operations, procedures, and production layouts for assemblies, equipment installation, processing and material handling - Providing Basis of Estimates for engineering activities and shop floor operations across a range of technologies and disciplines

Principal Scene Generation Engineer Location: Stevenage or Bristol Salary: £45,000 – £65,000 (depending on experience) Contract: Full time, Permanent | SC Eligible (British Citizenship Required) Hybrid Working: 3-4 days per week on-site We’re looking for a Principal Scene Generation Engineer to join a growing team developing advanced modelling and simulation capabilities that replicate...

Company Description Egis is a leading global architecture, consulting, construction engineering and operating firm. We work side by side with clients to build a more balanced, sustainable and resilient world. Omnia Projects, part of the Egis Group, are a UK-based engineering consultancy specialising in electricity Transmission and Distribution (T&D) providing engineering, project management and...

Fire Alarm Commissioning ManagerLocation: Site Based / Visiting Sites across the UK (London & South-based)Salary: £60,000 – £65,000 per annumPackage: Company Car Provided (no car allowance uplift)Working Hours: 8:00am – 5:00pm (Standard Contract)Start Date: Ideally January / February Reporting To: Contracts ManagerThe RoleWe are seeking an experienced Fire Alarm Commissioning Manager to oversee...