About the Team The Intelligence & Investigations Engineering team builds systems that detect, analyze, and disrupt abuse across OpenAI’s products. We partner closely with the Child Safety team and cross-functional groups to protect u...Read More>>.

At CGI, we deliver cutting-edge software solutions that help protect the UK’s national interests and support critical national security programmes. As a Backend / Platform Software Engineer, you’ll play a key role in designing, building, an...Read More>>.

nahc.io in London is seeking a Staff Software Engineer to bridge cutting-edge research with robust production software. You will design core platform components, build backend services, and contribute to algorithms for scalable AI workloads....Read More>>.

Rate: £575 per day Inside IR35 Location: Hybrid with occasional onsite attendance in Newcastle or ManchesterClearance: Active SC Clearance or eligibility to obtain SC Clearance requiredCon...Read More>>.

Visa is offering a 22-month Software Engineering Level 4 Apprenticeship in London. The programme starts with a 16-week bootcamp, then hands-on work on live systems across Visa products, with mentorship and structured learning throughout.Hyb...Read More>>.

Eaton's Wimborne, Dorset facility is seeking a Junior Software Engineer to develop embedded C software for avionics systems. You will join the Avionics Software Development Team and work under the Software Development Manager – Avionics in a hyb...Read More>>.

Rate: £470 per day Inside IR35 Location: Hybrid with occasional onsite attendance in Newcastle or ManchesterClearance: Active SC Clearance or eligibility to obtain SC Clearance requiredContract Type: Co...Read More>>.

JPMorganChase in Glasgow is offering an Early Careers Software Engineer Intern opportunity designed to build strong technical foundations and grow into a confident engineer within a modern, collaborative environment.You will train through o...Read More>>.

Senior Software Engineer - C#/.Net/Angular - NewPlease note, this role is based in Sheffield.An award-winning software house requires a number of C#/ASP.Net Software Developers to join its innovative and growing soft...Read More>>.

Oliver Bernard is seeking a Software Engineer (TypeScript, React/React Native, Node.js) for a hybrid role in London. You will work directly with CEOs, founders, and senior stakeholders to understand requirements and deliver bespoke digital solutio...Read More>>.

Scott Logic in the UK is seeking a Lead Software Engineer to own significant parts of client projects and guide the full development lifecycle. You will work in small, multidisciplinary teams, mentor peers, and advise clients, while deliver...Read More>>.

Scott Logic is seeking a Senior Software Engineer in the United Kingdom. You will work hands-on in client-facing projects, participating in the full development lifecycle and delivering bespoke software solutions in collaboration with multidiscipl...Read More>>.

TASKING is seeking a recent or newly qualified Computer Science graduate to join our software development team at our Wirral (UK) facility. You will work alongside experienced engineers, taking part in the full development lifecycle—from transla...Read More>>.

Alexander Ash Consulting is recruiting a C++ / Java Software Engineer for a leading banking client in London. You will design, implement and maintain high-performance, low-latency systems within a complex financial services environment, ensuring r...Read More>>.

Staff Software Engineer – Up to £160k base (London)Up to £160,000 + EquityWe're partnering with a well-funded, high-growth AI startup that is building a next-generation platform at the intersection of artificial intelligence...Read More>>.

Opencast is hiring software developers who care about thoughtful engineering and robust design, to work with clients across the UK. The role emphasizes collaboration, pair programming, and applying modern software craftsmanship within government-a...Read More>>.

Caxton Associates in London seeks an experienced Software Engineer to lead a London-based Software Development team. This hands-on leadership role combines system design, delivery ownership, and team development across trading, compliance, and ope...Read More>>.

Experian Software Solutions (ESS) seeks a Head of Software Engineering to lead the ID&F global organisation, combining people leadership, technology modernisation, and delivery accountability. You will travel weekly to our London office to align w...Read More>>.

Atlassian Williams F1 Team in Retford is seeking a Senior Software Engineer to join our Software Development group. You will build bespoke, high-quality software that directly supports our Engineering and Operations functions—from aerodynamics a...Read More>>.

Unity is seeking a developer who will design unified APIs across platforms and contribute implementations to the Unity codebase. You will collaborate with technical teams across Unity to create robust, testable APIs and maintainable code in C# and...Read More>>.

Opencast is seeking a Senior Software Developer who values craft and clean design. You’ll pair with teams, apply TDD, and deliver robust digital services in line with GDS standards. You’ll travel for client work across the UK and contribute to...Read More>>.

Infor MES is seeking a Senior Software Engineer to advance knowledge graphs and semantic modelling within our manufacturing AI-enabled platform. You will connect MES, IoT, and enterprise data into rich, contextual models that power diagnostics and...Read More>>.

Formula. is seeking a Senior Software Engineer in London to support a major banking transformation project tasked with rebuilding the payment system for multiple channels and methods.The role is hybrid with three days on-site per week in Lo...Read More>>.

KLA Corporation (Filmetrics) seeks a Software Engineering Manager to lead a multidisciplinary team of software and firmware engineers. You will shape technical direction across embedded firmware, Windows desktop apps, and data-analysis algorithms,...Read More>>.

Anson Mccade in Cheltenham is seeking a Senior Software Engineer to design, build and deliver bespoke software solutions in a hybrid working environment.You will work across the full development lifecycle, using Java, TypeScript, JavaScript...Read More>>.

ECM Selection Ltd. in Cambridge, United Kingdom, is seeking a skilled software engineer to design and deliver secure cloud platforms on the Microsoft stack. The role focuses on building microservices, REST APIs and front-end integrations using Ang...Read More>>.

Oxford Instruments Andor is seeking a Senior Software Engineer- Software Applications to design, develop and support customer-facing Windows desktop applications used to control experiments on scientific instrumentation. You will work primarily wi...Read More>>.

easyJet in Luton is seeking a Senior Software Engineer to design, build, and operate high-quality software powering millions of customer journeys. You’ll work as a senior individual contributor in a product-focused squad, spending most time hand...Read More>>.

Cloudflare is seeking a software engineer to design and evolve the metadata layer for R2, spanning billions of objects across multiple clusters. You will build features in a metadata system backed by a distributed SQL database and deploy services...Read More>>.

JPMorgan Chase & Co. in London seeks a Senior Lead Software Engineer within the Strategic Index Technology team to drive key projects that support its cross-markets index platform.You will partner with Quantitative Research, Structuring, Tr...Read More>>.

About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst...Read More>>.

Ready to work somewhere that cares more about how you build software than how fast you can ship it? At Opencast, we don’t measure developers by the number of tickets you complete. We care about engineering craft, clean design an...Read More>>.

Riverlane’s mission is to master quantum error correction (QEC) and unlock a new age of human progress. From advances in material and climate science, to complex chemistry simulation for new drug design, quantum computers will help hum...Read More>>.

Marsh seeks an experienced Senior Software Engineer to design, develop, and support scalable software. You will contribute to AI-enabled initiatives, work with Angular, TypeScript, and JavaScript, and deliver high-quality software in a fast-paced...Read More>>.

CommonAI CIC is seeking a highly skilled Software Engineer to contribute to Panopticon, a Rust-based framework with strict control and compliance protocols for high-risk environments.You will leverage LLMs, AI agents, and autonomous coding...Read More>>.

Enthought, Inc. is hiring a Scientific Software Developer to join our client-facing solution delivery team.You will pair deep scientific expertise with agentic AI coding tools to move from research questions to working software—building d...Read More>>.

ENVEA is seeking an experienced Software Engineer to join our Cambridge-based R&D team, developing embedded software for environmental monitoring equipment.You will design, implement and test C/C++ code for new products, collaborate with ha...Read More>>.

Software Engineer Full Stack C# .Net ReactOur client, a global tech company, offers data‑centric software solutions to major blue‑chip and government organisations. The role is a senior, hands‑on position within a cross‑discipl...Read More>>.

Riverlane, based in Cambridge, is hiring a Software Engineer to build the world’s first Quantum Error Correction (QEC) stack. You will work in the Explore research team, translating new ideas into robust, high-quality software with researchers a...Read More>>.

ENVEA in Cambridge, UK, is seeking an experienced R&D Software Engineer to join an international team focused on environmental sensing technology. You will design, develop and test embedded software for sensing products, collaborating closely with...Read More>>.

Roku, Inc. is on the lookout for a Software Engineer for the Device Monetization and Themed Experiences team in Cambridge, England. You will implement and optimize graphics rendering systems, solve performance-critical challenges, and directly imp...Read More>>.

Enthought, Inc. is seeking a Materials Data Scientist / Scientific Software Developer to join our client-facing solution delivery team in Cambridge.You will pair deep materials and chemistry expertise with agentic AI coding tools to build d...Read More>>.

Roku, Inc. is seeking a Senior Software Engineer to contribute to the embedded UI framework, improving stability and performance. You will write and review C++ in embedded codebases, build tooling for logging, and develop Python-based data process...Read More>>.

Redgate Software is seeking a Senior Software Engineer for the Redgate Monitor team. You will join a cross‑functional group including a Tech Lead and Product teams to evolve a mature monitoring product used worldwide.You will lead with st...Read More>>.

RequirementsCommonAI is building shared infrastructure and products that help organisations develop and deploy deep-tech AI systems. CommonAI Compute, part of the CommonAI ecosystem, develops multi-cloud compute products and servi...Read More>>.

ECM Selection (Holdings) Limited in Cambridge seeks a Principal Software Engineer to guide and contribute to cloud software development using C# and .NET. The role emphasises architecture, security, and scalable platform design, with hybrid workin...Read More>>.

Ecm Selection is seeking a principal software developer to guide and contribute to cloud software development with AWS or Azure. The role centers on a data-oriented platform shaping global sustainability and delivering impactful applications....Read More>>.

Redline Group Ltd in Cambridge is seeking an experienced Robotics Software Engineer with strong C++ and ROS2 skills in Linux environments to join a leading robotics centre.You will design, develop, test, and integrate software for advanced...Read More>>.

Founders Factory in Cambridge/London is seeking the technical lead for Subtle, an ambient sensing venture helping elderly and vulnerable people at home.You’ll be the first engineering hire, working directly with the founders and carrying...Read More>>.

HP Wolf Security in Cambridge is seeking a Principal Security Software Engineer to lead improvements to Wolf Security's secure software development lifecycle and align practices with the European Union Cyber Resilience Act (CRA).You will dr...Read More>>.