Software Engineer (Principal & Senior) - Active SC, DV ClearableLocation: Remote whilst SC, Cheltenham 4 days on-site once DVSalary: Lead, £90,000 - £100,000 / Principal, £...Read More>>.

CoreWeave is seeking a Staff Software Engineer to join the Compute Architecture group. You will help build software systems that operate the backbone of large-scale GPU data centers, focusing on Go-based distributed services and infrastructure aut...Read More>>.

The University of Surrey is recruiting a Senior Research Software Engineer for a project on formal verification, seL4 security, and AI-assisted theorem proving. This fixed-term role, funded for the ARIA project, invites candidates to contribute ac...Read More>>.

Organisation/Company UNIVERSITY OF SURREY Research Field Educational sciences Researcher Profile Recognised Researcher (R2) First Stage Researcher (R1) Application Deadline 14 Oct 2026 - 00:00 (UTC) Country United Kingdom Type of Contract Other...Read More>>.

What does the team work on? A highly scalable and highly available real-time advertising platform is crucial for supporting and growing Roku’s advertising business. The mission of the Ad Engineering Team is to build this platform. We...Read More>>.

What does the team work on? The Revenue Automation and Data team is a key part of Roku’s Advertising organization, driving financial automation and data solutions that enable informed decision‑making across the advertising ecosyste...Read More>>.

Roku is hiring a Senior Software Engineer for the Advertising Platform to build a real-time, scalable ad platform supporting and growing Roku's advertising business.The role demands extensive experience with large-scale distributed systems,...Read More>>.

Light & Wonder in Manchester is seeking a Senior Software Engineer to build and evolve a next‑generation cross‑platform game framework powering experiences across web, mobile, desktop, and land-based platforms.You will design core frame...Read More>>.

MBDA is seeking a hands-on Software Technical Team Lead within the New Product Development Group of the Embedded Software Department. You will lead a small/medium team to deliver our software solution for MBDA's latest Naval weapon system, guiding...Read More>>.

About the team At Roku, the UI Systems team builds the high-performance engines and core graphics infrastructure that power millions of devices. We own the low-level C++ frameworks, rendering pipelines, and system architectures that en...Read More>>.

What does the team work on? The Roku Enterprise Engineering team is at the forefront of building a robust, integrated, and scalable platform that powers critical business processes across the organisation. As a cornerstone of Roku’s...Read More>>.

PinPoint Middleware Test Company is seeking a Software Engineer to design, build, and maintain web applications that solve real problems for users. You will work across the stack, ship features end-to-end, and collaborate closely with product, des...Read More>>.

About the Role You will bea SME and technical leader in engineering Infrastructure, productivity and enterprise tooling, partnering with globally distributed Engineering, Product and Security teams and systems. What You’ll Be...Read More>>.

RELX Group is launching a 12-month Risk Solutions Technology Graduate Program in Greater London. The program offers two six-month rotations across big data, AI, SRE, DevOps and security engineering, with exposure to AWS and Azure.Participan...Read More>>.

digiLab is a formative AI company with world-leading specialists in uncertainty quantification, applied where the stakes are highest and the margin for error is smallest.Our customers are among the largest and most advanced engineering a...Read More>>.

London Stock Exchange is seeking a Senior Software Engineer to help build next-generation distribution capabilities for our index products, delivering index data to the global financial community through APIs, cloud platforms, file delivery, and A...Read More>>.

Staff/Principal Software Engineer – Release & Defect Lead JOB OVERVIEW Arm is redefining what is possible in cloud and data center computing. Our Neoverse platforms are helping power a new era of infrastructure – combining...Read More>>.

Capital One UK in London offers a Software Engineering Manager role with hybrid working. You will lead a software engineering team, focus on people growth, and ensure delivery of high-quality software in a regulated context.The role emphasi...Read More>>.

Abtrace Limited is seeking an experienced engineering leader to drive delivery of scalable software for proactive healthcare in the UK. You will lead cross-functional squads, mentor engineers, and collaborate with Product and Design to ship high-i...Read More>>.

Cloudflare’s Egress team is seeking a software engineer to contribute to a cutting-edge network software infrastructure that enables egress connectivity across products like WARP and iCloud Private Relay. You will design, implement, and test sys...Read More>>.

Artlogic is seeking a pragmatic, impact-driven AI-Native Senior Software Engineer to evolve and extend our platform. You will guide technical direction, mentor teams, and champion AI-native workflows while balancing business impact with engineerin...Read More>>.

Company DescriptionWise is a global technology company, building the best way to move and manage the world's money.Min fees. Max ease. Full speed.Whether people and businesses are sending money to another country, spendin...Read More>>.

Software Engineer (Principal & Senior) - Active SC, DV Clearable Location: Remote whilst SC, Cheltenham 4 days on-site once DV Salary: Lead, £90,000 - £100,000 / Principal, £110,000 - £130,000...Read More>>.

Principal Software Engineer C++ (Cloud Video Framework) Contract: Full-Time, Permanent Working Location: Hybrid, 2 Days a week in the office, minimum Office Locations: UK/Hungary Join Our Team...Read More>>.

JPMorganChase is seeking a Principal Software Engineer within Infrastructure Platforms Engineering & AI Practices to lead across multiple teams. You will design and build platforms and shared services that meet access, compliance, and governance r...Read More>>.

Gusto is building the next generation of the business insurance purchase experience in the UK. This role focuses on shipping AI-powered features that simplify how businesses discover, evaluate, and purchase insurance.You will design, build,...Read More>>.

Citigroup Tech in London seeks a Senior Software Engineer to work on Margin Technology. You’ll design and implement robust services, collaborating with product teams and users across global platforms. The role emphasizes high-quality engineering...Read More>>.

Job OverviewArm is redefining what is possible in cloud and data center computing. Our Neoverse platforms are helping power a new era of infrastructure – combining advanced silicon with the system software required to turn ambitious...Read More>>.

Hargreaves Lansdown is seeking a talented Software Engineering Manager to lead one of our Investment Growth product engineering teams. You’ll guide delivery from discovery through to launch, shaping architectures and enabling engineers to excel...Read More>>.

Barclays is hiring a Senior AI Software Engineer through hackajob to design, develop, and implement intelligent software solutions that drive innovation, boost engineering productivity, and deliver measurable value.You will collaborate with...Read More>>.

Homeprotect is seeking a Senior Software Engineer to lead technical delivery for customer-facing systems and the claims workflow. You will own complex features, make architectural decisions, and mentor teammates to raise the overall capability of...Read More>>.

TPXimpact is seeking a Principal Software Engineer to shape the technical direction of high-profile projects and lead delivery of modern, scalable software. You will mentor engineers across teams, line-manage a group, and collaborate with senior s...Read More>>.

Hargreaves Lansdown in Bristol is looking for a talented Software Engineering Manager to lead one of our Investment Growth product engineering teams. You will drive technical delivery, partner with product managers and business stakeholders, and g...Read More>>.

Millennium is seeking a Software Engineer – Equity Derivatives Pricing & Risk to design, develop and implement robust risk systems supporting Equity Volatility trading strategies with a focus on Java and Spring Boot server-side applications....Read More>>.

Elastic is seeking a Senior Engineer to lead technical work across Elastic Security in London or remotely within the UK. You will own small-to-medium projects from design through production, focusing on data modeling, APIs, and scalable services....Read More>>.

RELX Group is seeking an Technical Lead to act as the technical facilitator and engineering leader for a cross-functional squad. The role balances hands-on software development with leadership through influence, shaping technical direction, guidin...Read More>>.

Rolls-Royce is seeking a Principal Software Engineer for its Heybridge location. You will specify, design, validate and test software components for real-time systems, ensuring on-time delivery and quality of artefacts.The role requires dec...Read More>>.

Aurora Energy Research Limited seeks a Senior Software Engineer (AI) to lead backend systems supporting cloud-based tools for grid modelling and energy market analysis. You will guide a small, fast-paced team and own projects from concept through...Read More>>.

Square One Resources is seeking a DV-cleared Software Engineer to design, develop and improve software in a highly secure government environment in London. The role is onsite with a long-term contract and active DV clearance is mandatory.Yo...Read More>>.

Putting the ‘i’ into British Innovation. Putting the ‘i’ into Inventing the Future. Putting the ‘i’ into Inspiring Change. myenergi is a growing global clean‑tech manufacturer dedicated to removing the barrier...Read More>>.

Ultra Intelligence & Communications is seeking engineers to design, develop and test embedded and application software within the Cyber UK Business Unit. You will implement software under leadership, follow defined processes, and contribute to mul...Read More>>.

Antidote is a UK-based legal tech startup seeking a Software Engineer to help scale the platform that underpins our invoicing solution for law firms. You’ll join a small, senior engineering team where your work ships quickly and is used by custo...Read More>>.

Enoda in Edinburgh is seeking an experienced Embedded Software Engineer to join our Microelectronics & Embedded Systems Team. You will oversee real-time control and networking firmware for our next-generation hardware platforms.The role inv...Read More>>.

Lockheed Martin Rotary and Mission Systems (RMS) in Gloucester is seeking Software Engineers for Defence, Cyber and Intelligence programmes. Roles involve software development, tests, documentation and automation, with a strong DevSecOps emphasis....Read More>>.

Renaissance Learning EMEA APAC is seeking software engineers to help build high-scale EdTech systems processing assessment data for millions of students worldwide. Join a collaborative agile team with autonomy, high engineering standards, and a fo...Read More>>.

easyJet holidays in Luton is hiring a Senior Software Engineer. In this role, you’ll design and develop software that powers millions of customer journeys. Your contribution will enhance the reliability and scalability of systems within a collab...Read More>>.

VCGTech is seeking a Python Software Engineer to design and deliver robust financial control systems supporting the Independent Revaluation Infrastructure System (IRIS). You will collaborate with asset class and platform teams to build scalable, s...Read More>>.

Dunelm, the UK's leading homewares retailer, is seeking a Software Engineer with a strong quality background to contribute to the evolution of our digital platform. You will work across frontend, backend, and testing to deliver high-quality softwa...Read More>>.

Veson Nautical is seeking a Senior Software Engineer to own design, development, testing and deployment of significant projects. You’ll work autonomously, mentor others, and guide one or more areas of the codebase in an environment where AI-assi...Read More>>.

We’re seeking a Senior Engineer to join the Atlas Identity and Access Management (IAM) team IAM is a platform and a product team. We serve internal engineers by providing them a secure and durable suite of services, and we serve...Read More>>.