1 to 25 of 51 Permanent Software Engineer Jobs in Southampton

Backend Software Engineer UK Remote 6 Month Contract A fantastic contract role has opened up for a highly skilled Backend Software Engineer with strong expertise in Go. This is an exciting chance to join a leading technology company known for its high engineering standards and innovative … approach to distributed systems. In this position, the Backend Software Engineer will play a central role in building and scaling mission-critical, data-heavy applications. You'll be involved across the full engineering lifecycle - from system design through to development and delivery - taking ownership of solutions that drive ...

Software Engineer, GraphRAG, TypeScript, AWS, Remote, CO7428 A pre-seed start-up building a workflow and intelligence platform powered by agentic AI, multimodal analysis and domain-specific insight, requires an AI Software Engineer/Knowledge Graph Specialist. The AI Software Engineer will be contracted … month as they complete the build of their MVP, but with every expectation of extending. Working fully remotely and outside of IR35, the AI Software Engineer will: Own the architecture for the module being built Work directly with the CTO and product specialists to translate requirements into scalable ...

Title: Software Engineer - Python Department: Procode IT Location: Chandlers Ford with 2 days a week in our Chandlers Ford headquarters. Salary: Circa £39,545 + up to 15% bonus scheme Sponsorship: Unfortunately, we are unable to offer sponsorship for this role Are you a Software Engineer … tools like Lambda, Eventbridge or DynamoDb? If that sounds like you, we've got an exciting opportunity waiting! About us We are a dynamic software company. Established in 2006, with a vision of helping the energy and utilities sectors improve customer experience and lower their cost to serve, using ...

skilled Embedded Software Engineer looking to contribute to cutting-edge defence technology? Based in Southampton, this Embedded Software Engineer job offers the opportunity to work on advanced embedded systems in a dynamic and secure environment. Due to the sensitive nature of the projects, security clearance will … required. The Embedded Software Engineer’s main responsibilities: - Develop C/C++ code for embedded systems and user interfaces - Design and develop GUIs using commercial and open-source libraries - Develop system control, monitoring software, and video processing applications Skills required: - Experience in C/C++ programming ...

Software Engineer - Fleet, Hampshire Are you ready to get stuck into real innovation, push boundaries, and work with tech that's transforming how we understand the world around us? Whether you're a recent graduate eager to make your mark or a seasoned engineer looking for your … next challenge, this role gives you the space, ownership, and impact you're looking for. What you'll do as the AI Software Engineer - Fleet, Hampshire Preparing, cleaning, and augmenting datasets for high-quality model training Training, fine-tuning, and evaluating AI models including agentic workflows and feedback ...

Senior Software Engineer – C/C++ ARCA is currently looking for a Senior Software Engineer to join on a short-term contract to help support an automotive/motorsport engineering programme. This role suits someone comfortable working close to real-time systems, networking and performance-critical … software, typically found in vehicle platforms, simulation, data or control environments. Key Responsibilities Develop and maintain high-performance C/C++ software Work on concurrent, parallel and asynchronous systems Contribute to distributed, real-time architectures (pub/sub models, time-synchronised systems) Key Skills & Experience Strong C/ ...

Logistics Software Engineer Salary: £52,000 – £60,000 + Excellent Benefits, FTC Working Pattern: 37.5 hours per week | 4 day working week Monday to Thursday | Remote working but required to come to the office when needed. Location: Havant, Portsmouth. Here at Lockheed Martin we are seeking a Logistics … Software Engineer to enhance its software development capability and provide ongoing support for a suite of applications used by both internal stakeholders and Ministry of Defence (MoD) customers. This role requires an experienced and innovative professional who can assume ownership of both new and existing development projects. ...

Software Engineers Real-Time Wireless Systems (Senior & Principal Levels) Permanent | £75k£100k + Bonus + Equity | Hybrid (Southampton) If your idea of good engineering is squeezing every last cycle out of a CPU, building software that talks to hardware at speed, and solving real wireless signal-processing problems … youll probably get on well here. This team designs and builds high-performance software for wireless communication systems 5G, satellite comms, and advanced baseband processing. The real, high-throughput, low-latency kind. Theyre hiring Senior Software Engineers and Principal Software Engineers , depending on depth of experience ...

Senior Software Engineer Location: Southampton, UK (Hybrid – 3 days per week on-site) There are easier ways to make a living. But if you’re the kind of software engineer who prefers hard technical problems over incremental feature work, this might be worth your time. … joining a small, high-calibre team developing software that underpins next-generation satellite and space communications systems. This is performance-critical, real-time software, where microseconds matter and design decisions have long-term consequences. What you’ll be working on Designing and developing high-performance C/C++ ...

Embedded Software Engineer (Contract/Flexible) – Outside IR35 We are a small but established engineering firm looking to engage an experienced Embedded Software Engineer on a flexible, non-committed, Outside IR35 basis. Our existing embedded software contact is no longer available … seeking a trusted, go-to embedded engineer to support our products and future developments on an ongoing basis. This role is ideal for an experienced contractor or freelancer who values autonomy, flexibility, and long-term collaboration without fixed hours or guaranteed workload. The Role Act as the primary embedded ...

Role: Staff Software Engineer (Go) Industry: Tech4Good Company size: < 200 Work type: UK Remote First Salary: £105,000–£140,000 + Equity Wedo has partnered with a Tech4Good Series B start-up who are building technology that impacts tens of millions of people every year. Our client … Corp, featured as one of the fastest-growing companies in the UK, and they're now looking for a Staff Software Engineer who can own Go service development for their core platform, while having a wider impact by owning architecture patterns, setting standards, influencing strategy, and driving wider ...

Principal Software Engineer Fully Remote | Permanent | Competitive Salary + Benefits Harrington Starr has partnered with a leading Global Payments Technology company who are seeking to hire a Principal Software Engineer to join their senior engineering leadership team. This is a rare opportunity to combine hands … performance systems at global scale. Career progression in a fast-growing international technology business. Key skills required: 10+ years' experience in enterprise architecture and software engineering. Proven expertise in .NET with strong SaaS and API platform experience. Hands-on track record designing highly scalable, high-performance systems. Strong leadership ...

Senior) Graphics Software Engineer - Fully Remote We are seeking an experience Graphics Software Engineer to play a pivotal role in a team designing and developing a next generation rendering engine. This will include implementing state of the art graphics algorithms and supporting systems. Qualifications, Knowledge … team developing global industry-standard vehicle simulation software. Design and develop new features using state-of-the-art graphics techniques. Produce high-quality software for customers. Maintain and improve existing products. Advocate good software engineering practices and continuous professional development. Work to delivery deadlines. The Package: Basic salary ...

Lead Software Engineer – Join a scaling Series A Up to £128,000 Hybrid working – London based – 2 days a week onsite React.js, TypeScript and Node.js We're partnered with a tech driven Scale-Up in London who have successfully achieved Series A this year and they are looking … exciting time for them and this is a great time to join a business who are going to scale! As a Lead Software Engineer, you'll be a hands-on individual whilst leading technical decision-making and tackling technical challenges as the business continues to grow. ...

Principal Software Engineer - Python - Fully Remote Experienced Python Engineer needed for an early-stage Start-Up that is already profitable and looking to expand the founding team. You will be looking to work for a Start-Up and be trusted to take responsibility on the development. Looking … world class Python Engineer, with experience with Typescript and ideally DevOps to play a crucial role. About you: 5+ years of professional Software Engineering Experience with proficiency in Python Professional experience with TypeScript Product focussed - worked closely with product during the development cycle, translating product requirements into technical ...

Software Engineer - Android Frameworks - AOSP We are looking for a seasoned Software Engineer to join a pioneering tech company at the forefront of virtual reality technology. Note: Candidates must have the right to work in the UK, as sponsorship is not provided. Offer: Annual salary … extension - within IR35 - PAYE -paid on a weekly basis Remote work flexibility within the UK. Must-Have Skills: 7+ years of experience in software engineering with a strong focus on Android internals and Java frameworks. Extensive experience in AOSP and Android OS frameworks. Proficiency in C++ and Java. Strong ...

Senior C++ Software Engineer (Remote – Anywhere in Europe) High-impact work. Exceptional teammates. Real work–life balance. Looking for a role where you can work fully remote across Europe, collaborate with an outstanding team of C++ engineers, enjoy a genuinely healthy 9–5 schedule, and receive a competitive … solving cutting‐edge technical challenges? If that sounds like your ideal setup, you're in the right place. We're searching for a Senior Software Engineer (3–8 years experience) with strong modern C++ skills who's ready to take ownership of complex projects, push technical boundaries ...

Lead Front-End Software Engineer - Fast-Growing ClimateTech Start-Up Lead Front-End Software Engineer required to join a fast-growing ClimateTech start-up who are transforming how cities and utilities manage energy and infrastructure. You will shape the front-end strategy, lead a talented team ...

Junior-Mid Level Node.js Software Engineer (Must have prior government experience) 12 month fixed term contract The Company At Amber Labs, we are a cutting-edge UK and European technology consultancy that prioritises empowering autonomy, promoting experimentation, and facilitating rapid learning to provide exceptional value to our clients. … skilled cross-functional consultants, analysts, and support staff. Your Role We're on the lookout for a curious and motivated Junior-Mid Level Node.js Software Engineer to join our growing engineering team. This is a fantastic opportunity to work with modern technologies, learn from experienced mentors, and contribute ...

Title: Software Engineer (AI HealthTech) Client: AI HealthTech Scale-Up – Backed by Top-Tier Investors, Led by World-Class Engineers Salary: Up to £100k + Bonus + Equity Location: Remote (UK-based) with an optional Holborn office Sells: Work on cutting-edge AI systems that power healthcare innovation … culture that rewards curiosity, autonomy, and clean engineering. An AI HealthTech company is expanding its high-calibre engineering team and looking for Software Engineers who thrive on building elegant, scalable systems from the ground up. You'll be joining a small, world-class team working on distributed backend platforms ...

Software Engineer Venture 2 Venture 2 is building the next generation of AI-enabled products. Our work spans one-to-many inference systems with applications in anti-piracy, heavy industry optimisation, and prediction markets. We operate as a hybrid venture studio: developing our own D2C and B2B products … skills in Python. · Basic understanding of AI/ML models and how they are trained, deployed, and run. · Familiarity/understanding with version control software (git). · Ability to work in a fast-moving environment with evolving priorities. · Curiosity, initiative, and willingness to learn new tools and frameworks rapidly. ...

Senior/Principal Software Engineer .NET £85,000-£110,000 Remote (UK) Do you thrive on building scalable solutions that power commerce worldwide? We're partnering with a rapidly expanding global payment platform fresh off a transformative acquisition. They're engineering a robust, merchant-centric ecosystem built … quality, resilience, and scale - and they need exceptional .NET Software Engineers to drive this evolution. Your Impact: Design and develop mission-critical platform services, APIs, and merchant portals Drive performance optimisation and system reliability through intelligent engineering Champion engineering excellence in architecture, code quality, and delivery Partner with cross ...

Vacancy Are you a Senior Software Developer looking to make a real impact in healthcare technology? Do you want to work on meaningful products that support medical professionals and trainees across the UK? If so, this could be the perfect opportunity for you. We're looking for a talented … motivated Senior Software Developer to join the FourteenFish team at Optum UK. You'll be part of a collaborative, forward-thinking group building world-class solutions that improve the lives of healthcare professionals. This role will see you working across our product suite, contributing to the design, development ...

Title: Software Engineer (Backend) Location: United Kingdom Type: 6 Months Contract Job Description: This is a generalist mid-level backend position within the Ads Organization. Technologies used on the team include: Languages: Go, Python, Scala Frameworks: Spark, Thrift, Kafka Data stores: Postgres, BigQuery, Redis, Druid Tools: Kubernetes, Airflow … designers to understand requirements and translate them into technical solutions Proactively identify and address potential technical issues and bottlenecks Required Qualifications: 3+ years of software development experience in one or more general purpose programming languages (Java, Scala, Go, C++, Python). Project Management: Support day-to-day project management ...

Title: Lead Software Engineer Salary/Package: £80k-£100k + Equity Company Sector: Fintech (SaaS) Tech: TypeScript, Node, React, Next, GraphQL, AWS Location: Central London (London Bridge/Bank) WFH/Hybrid: Fully Remote (once a quarter to London & Edinburgh) I'm hiring a Lead Engineer ...