StackCX is seeking a Lead Software Engineer in Cambridge to own end‑to‑end features across the stack, from backend services to AI pipelines. You’ll collaborate with product, CI, and customer calls, adapting quickly as priorities shift....Read More>>.

CGI in Leeds is seeking a Senior Software Engineer to deliver resilient, scalable digital solutions for our clients. You will join a collaborative engineering community, apply modern practices, take ownership of features, and help shape secure, hi...Read More>>.

Roku is seeking a Senior Software Engineer to help architect core systems underpinning the user experience across devices.You will lead engineering efforts in C++, Python tooling, and graphics pipelines, delivering high-performance UI compo...Read More>>.

CommonAI CIC is seeking a Senior Software Engineer to help deploy, extend and optimise vLLM and related inference engines for our AI infrastructure projects. You will work across the Scaling Inference Lab and the High Assurance programme to drive...Read More>>.

RedTech Recruitment is seeking experienced Software Engineers (mid-level to senior) to work on cutting-edge AI research projects in Cambridge. You will join a world-class team, designing and developing software that tackles complex real-world chal...Read More>>.

Darktrace in Cambridge is seeking a Specialist Software Engineer to join our R&D teams, focusing on high-impact projects across a diverse set of tools and languages. You'll provide technical direction, advance our defense methodology, mentor teamm...Read More>>.

PLEASE APPLY THROUGH THIS LINK: https://job-boards.greenhouse.io/speechify/jobs/5615709004DO NOT APPLY BELOWThe mission of Speechify is to make sure that reading is never a barrier to learning.Over 50 million...Read More>>.

The mission of Speechify is to make sure that reading is never a barrier to learning. Over 50 million people use Speechify’s text-to-speech products to turn whatever they’re reading – PDFs, books, Google Docs, news articles, websit...Read More>>.

Ecm Selection is seeking a highly skilled numerical analyst to help develop engineering fluid flow simulation software. The role focuses on creating robust numerical methods for PDEs/ODEs and translating insights into high-quality code.Base...Read More>>.

Addleshaw Goddard is seeking an Interim Software Engineer for a 12‑month fixed‑term contract to support maternity cover. You will design, build and maintain scalable Microsoft stack applications, focusing on C# .NET and Azure, while collaborat...Read More>>.

Arm is seeking a Senior Engineer for its Software (CE-SW) group to apply AI to software engineering workflows. You will work with cross‑functional teams across Cambridge or Manchester, delivering prototypes and production‑quality examples with...Read More>>.

Specific Skills and Experience RequiredWe’re looking for strong C++ software development experience, ideally gained while building machine learning inference engines, runtime systems, or backend inte...Read More>>.

Roku is seeking a Senior Software Engineer to join the Embedded Software Automation and Tools team to build full stack applications and services that support end-to-end automation and test infrastructure.You will design and deliver full sta...Read More>>.

OverviewC / Python Software Engineer | High-Performance Systems | PermanentLocation: Cambridge (Hybrid) • Type: Full-time, Permanent • Salary: Competitive (dependent on experience)What you’ll be doingD...Read More>>.

Groupe SII in the United Kingdom seeks a Software Engineer for Autonomy to support the development, deployment and evolution of software, data and AI capabilities across complex defence programmes.You will work with software engineers, arch...Read More>>.

Abnormal AI in the United Kingdom is seeking a Software Engineer to help scale our backend platform for Behavioral Security Products. This role blends hands-on coding with owning features and production systems, including AI-powered components, wo...Read More>>.

SII UK is seeking a Software Engineer for Autonomy to advance software, data and AI across defence and technology environments. You will develop secure software, build CI/CD pipelines and integrate APIs within multidisciplinary teams to enable aut...Read More>>.

Raytheon UK invites applications for a Senior Software Engineer to join our Manchester or Gloucester teams. You will design and build software across cross-functional programs, delivering and deploying critical systems in a secure environment....Read More>>.

Sierra Nevada Corporation Mission Systems UK in St Athan is seeking a Senior Software Engineer (AI/ML) to contribute to advanced software solutions for UK defence and aerospace programmes. You will work with systems engineers and data specialists...Read More>>.

The Ellison Institute Of Technology (EIT) is seeking a Senior Software Engineer to join the SciComp team in the UK. You will design and build robust services powering scientific applications, integrating ML inference servers, hardware interfaces,...Read More>>.

DWP Digital in Newcastle is seeking a Java Software Engineer to build secure, scalable digital services used by millions of people across the UK. You will work in agile teams, designing and maintaining software products that improve public service...Read More>>.

Business Systems Software Engineer Neat's Business Systems team owns the infrastructure behind how the company sells, bills, and supports its customers — Salesforce, NetSuite, and the integrations that connect them — support...Read More>>.

DWP Digital is hiring a Java Software Engineer to build secure, scalable digital services used by millions across the UK. You’ll work in multidisciplinary agile teams, designing and delivering software with modern technologies such as Java, AWS,...Read More>>.

easyJet Airline Company PLC is seeking a hands-on Software Engineer in Luton, offering hybrid working with 60% office time. You’ll join an agile squad building and operating scalable software that supports Europe’s leading airline.The r...Read More>>.

My client is a specialist software consultancy delivering bespoke solutions to solve complex operational problems for Central Government customers. As their team grows, they're looking for an experienced Full Stack Engineer to join a live deliv...Read More>>.

digiLab, a formative AI company, seeks a Senior Software Engineer to own backend design for The Uncertainty Engine. You will collaborate with cross-functional teams to extend an ML library and deliver scalable APIs, while upholding security and pe...Read More>>.

Get2Talent is seeking a hands-on Senior Software Engineer/Technical Lead for a live Central Government project. You will lead a team, design and deploy bespoke software, and provide technical direction across clients within a collaborative Agile e...Read More>>.

Cloudflare is seeking a skilled engineer for the Egress team to own and evolve egress connectivity across its network. You will design and implement capabilities used by products like WARP, Zero Trust, and iCloud Private Relay, collaborating with...Read More>>.

Ping Identity is seeking a Senior Staff Software Engineer to join the Platform Engineering team. You will build IAM capabilities across the Ping platform, spanning infrastructure, services, APIs, and UI. The role emphasizes AI tooling usage to acc...Read More>>.

DWP Digital is seeking a Senior Software Engineer to shape the future of digital services in the UK’s largest government department. You will design, build and support secure, scalable cloud-based platforms in multidisciplinary teams, with a foc...Read More>>.

Mind Foundry in Oxford seeks a Senior Software Engineer to join a multidisciplinary team building AI/ML systems for Defence and National Security. You will ship data-centric software and contribute to the full development cycle from design to prod...Read More>>.

HP Wolf Security, part of HP, is seeking a Principal Security Software Engineer to strengthen the secure software development lifecycle and align with the EU CRA. You will lead security-by-design initiatives, vulnerability management, and software...Read More>>.

Arm is seeking a Staff Software Engineer and Line Manager for its Central Engineering Machine Learning Group in the UK. You will design, develop, and maintain the ML SDK for Vulkan, while mentoring engineers and coordinating across teams to delive...Read More>>.

Lane Clark & Peacock LLP is seeking a Senior Software Engineer to join the Power Trading software team, shaping scalable, maintainable solutions on a C#/.NET stack hosted in Microsoft Azure. You will work across Cosmos DB, PostgreSQL, and a Vue.js...Read More>>.

Tesco Stores Limited is seeking an SDE3 in Welwyn Garden City to provide technical leadership across the team, design and ship end-to-end stories, and take ownership of delivery. You will implement robust Java solutions and contribute to architect...Read More>>.

TickPick is seeking a Senior Software Engineer in York, UK, to own end-to-end systems across API, web, and mobile layers with AI agent-enhanced development. You will orchestrate agents to accelerate code generation, review, and deployment, while e...Read More>>.

The University of Cambridge Information Services is seeking an experienced Senior Software Engineer to join a multidisciplinary team delivering high-profile, cloud-native web systems and modernised applications. You will work hybrid, shaping archi...Read More>>.

Peregrine is seeking a Senior Software Engineer to join our core engineering teams. You’ll work cross-functionally with design and product management to build systems that are robust, scalable, and user-centered.You’ll own major feature...Read More>>.

Sanderson Government & Defence is seeking a Lead/Principal Software Engineer to drive backend platforms for secure clients. Remote work while SC, with on-site Cheltenham 4 days post-DV, and a mix of private/public cloud deployments.You will...Read More>>.

Experienced Machine Learning Framework/Runtime Software Engineer (C++) Specific Skills and Experience RequiredWe’re looking for strong C++ software development experience, ideally gained while building machine learning inference...Read More>>.

Futureheads is seeking a Senior AI Software Engineer to help shape AI-enabled development practices across a large enterprise technology estate. You will combine deep software engineering expertise with practical AI experience to drive faster, saf...Read More>>.

Agilis Recruitment is partnering with an innovative global technology organisation to hire a Lead Software Engineer specializing in C#/.NET. Located in Cheltenham Spa with remote options, you will shape the next generation of the core platform and...Read More>>.

Job SummarySenior Software Engineer x2 – Engineering Excellence & AI EnablementBristol (Hybrid, 2 days/week) - Permanent - Up to £75k + 15% bonus + BensA rare opportunity to join the technical exce...Read More>>.

Agilis Recruitment is seeking a Lead Software Engineer to design and develop scalable backend services in C#/.NET, with AWS and PostgreSQL. You will mentor engineers, drive API & microservices development, and integrate AI-assisted tools into the...Read More>>.

Oxford Instruments Andor in Belfast is seeking a Senior Software Engineer- Software Applications to design, develop and maintain customer-facing Windows desktop applications using C# and .NET, contributing to multiple products and interfacing with...Read More>>.

Department for Work and Pensions is seeking a senior software engineer to design and deliver modern digital services at public-service scale. You will develop production software, review architectures, and mentor engineers while collaborating with...Read More>>.

Renaissance Learning, Inc. is seeking a software engineer to build and maintain features across the full stack, including Azure, .NET APIs, and an Angular frontend. You’ll contribute to architectural decisions and write clean, tested code while...Read More>>.

SelectScience is hiring a Senior Software Engineer to lead hands-on product development across the main site, client reporting analytics, and new AI-enabled features. You will own end-to-end delivery, shaping architecture, and ensuring robust, sca...Read More>>.

Kainos is seeking a Senior Software Engineer to develop high quality solutions that delight users worldwide. You’ll work in a fast-paced, collaborative environment, making sound technical decisions and mentoring others as you learn new technolog...Read More>>.

Northrop Grumman UK is seeking a Software Engineer to join an Operations and Maintenance team supporting national security systems. You will maintain mission-critical capabilities, respond to real-time challenges, and collaborate with engineers an...Read More>>.