Platform Engineer jobs in Southampton

Engineering Manager - Agents £120000 - £140000 + equity Remote This is not a traditional Engineering Manager role. If you don’t actively use AI tools to build, test and ship software, this won’t be a fit. If you do....keep reading. We’re leading the search for an Engineering Manager for a fast-growing AI-native company building production-grade AI agents used by real customers, at real...

You will work closely with frontend engineers, product managers, and the CTO to design and evolve a highly scalable, asynchronous, cloud-native platform. This is a hands-on senior engineering role with real technical ownership, influence over architecture, and scope to mentor others.

Are you looking to hit the ground running and make a real impact on a highly technical platform team? Are you interested in working for a scaling fintech company where reliability, automation, and security are built in from day one? We’re working with an exciting company who are looking for an experienced Platform / DevSecOps Engineer to help operate and scale their Kubernetes‑based...

WARNING: for this role candidates who require company support to legally live and work in the UK cannot be considered. To be successfully appointed to this role, it is a requirement to obtain Security Check (SC) clearance. To obtain SC clearance, the successful applicant must have resided continuously within the United Kingdom for the last 5 years. Role is remote / UK wide (please be aware that...

Job Description Lead Platform Engineer London / WFH to £150k Are you a platform engineering technologist with start-up experience and a first class education looking for a new opportunity? You could be joining a small Fintech start-up run by small, successful and proven team of finance technology entrepreneurs, backed by Silicon Valley investors, as they build out the product, currently in...

You will build, scale, and own the cloud-native infrastructure powering Magentic’s AI procurement workers. This role offers the rare chance to architect high-quality foundations from the ground up for a global supply chain solution. You’ll influence the technical direction of a next-generation agentic system while ensuring high observability and security.

You will design, build, and deploy production‑grade models using energy‑market data, asset telemetry, weather data, settlement data, and commercial datasets. This role is central to the evolution of our pricing, risk, trading, and optimisation engines.

You will collaborate closely with engineering, product, and commercial teams and work with a high degree of autonomy.

At Engine by Starling, we are on a mission to find and work with leading banks all around the world who have the ambition to build rapid growth businesses, on our technology. Engine is Starling's software-as-a-service (SaaS) business, the technology that was built to power Starling, and two years ago we split out as a separate business. Starling has seen exceptional growth and success, and a...

You will help shape both platform capabilities and client application experiences, contributing to work across backend services, operator-facing management tools, and consumer-facing applications for web, mobile and connected TV devices.

You will have meaningful influence over how reliability, securi...

Job Title: Trials Engineers (Electrical/Mechanical) Location: Portsmouth Naval Base Salary: Up to £41,000 (dependent on skills and experience) What you’ll be doing: Demonstrate an understanding of design principles to ensure the detailed compilation of Assurance Documentation reflects the customer’s requirement in accordance with PAG BMS process Have an understanding of all engineering...

Software Engineer Document Management & Workflow Systems (Contract) Any additional information you require for this job can be found in the below text Make sure to read thoroughly, then apply. Details - Initial 6-month contract with extension - Fully remote (EU time zones) - Start: End of February / early March - Outside IR35 We are looking for an experienced Software Engineer contractor to...

Job Description Lead Developer London - Hybrid 1/2 days in office £85,000 - £100,000 About Simmer We’re Simmer Eats, one of Europe’s fastest-growing food brands. We’ve grown 10x in the last year, and we’re building the next phase of scale on a modern commerce and technology stack. Our mission is simple: make healthy eating effortless. High-protein, great-tasting meals delivered straight to...

You will work as part of a collaborative R&D team focused on delivering high-quality features, and developing the services architecture. This role is ideal for an engineer who thrives in complex systems and is looking to develop new services that exploit a cloud-native ecosystem while modernizing legacy services into a containerized, cloud-native ecosystem.

Job Description Job Title: Data Engineer Location: Southampton Who are we recruiting for? Our client is a technology-driven maritime organisation transforming operations at sea through robotics, autonomy, and data. They operate a global fleet generating large volumes of mission-critical data and are building a modern data platform to enable analytics, operational decision-making, and AI in...

Job Description A fantastic opportunity has arisen for a Principal Stress Engineer to join a specialist Mechanical Analysis function to support the structural design and development of a next-generation complex weapon platform. This role performs the duties of a senior structural analysis lead and reports into the Mechanical Analysis leadership team, working closely with multi-disciplinary...

You will design and build APIs that enable products, partners and AI services to work together, including: Building RESTful APIs using C# .

You will likely bring: Strong experience building backend services in C# .

You will coordinate and deliver custom engineering projects using Sonardyne technology, from concept and prototype through test, validation and integration. Working closely with internal teams and customers, youll ensure solutions are delivered safely, on time, on budget and to the highest technical standard.

Job Description Electronic Design / Embedded Software Engineer Location: Hybrid / Harpenden, Hertfordshire Salary: £55,000 – £65,000 + bonus (DOE) Hours: 40 hours per week (flexible within office hours) The Opportunity A specialist UK engineering consultancy is looking to hire an Electronic Design / Embedded Software Engineer to work on a wide range of technically challenging products...

Job Description A fantastic opportunity has arisen for a Data Engineer (Generative AI) to join a developing international and transversal structure, supporting internal stakeholders through the design, delivery and maintenance of robust data solutions. This role performs the duties of a Data Engineer (Generative AI) and reports into a senior technical lead within the organisation. Key...