51 to 75 of 95 Software Engineer Jobs in Portsmouth

Senior Software Engineer – Java - FinTech Remote First | London (UK) | Up to £120k + Benefits Are you a Java developer who thrives in a collaborative, test-driven environment? Do you believe in pair programming, continuous integration, and clean, maintainable code? If so, we’d love to hear from you. More ❯

SoTA in Artificial Intelligence and to achieve the best possible chance of a human-aligned AGI. We are looking for an early career Graduate Software Engineer to help us build our Python LLM evaluation library, working closely with the Engineering and Science teams. We open to hiring remotely … is a high-impact and high-ownership role. We believe this is an unique and exciting opportunity where you will need to influence our software roadmap, you will have a strong say in how our technical and product roadmap evolves, and you will engage with our users and customers … lead the development of our open source Python tools, and to engage and grow our community. The ideal candidate is someone with passion for software an AI; ideally, you should have previous experience with LLMs, contributed to open source projects, and/or show a strong track record of More ❯

MPG | Lead Software Engineer Remote | Based in the UK At The Multiplayer Group (MPG), we specialise in creating the highest standard of mind-blowing multiplayer experiences for our partners, through Co-Dev and Full-Dev projects. Our people-first culture fosters a welcoming environment and a diverse team … around our local communities, education, and sustainability. We’re proud to say we’ve been Climate Positive since 2020! Your Mission: As a Lead Engineer at MPG, you will have a great balance of leadership and technical responsibility. Having the opportunity to contribute through hands-on programming, whilst leading … always with the ultimate goal of helping your team succeed and grow. What you’ll be doing: Lead a team of Principal, Senior and Software Engineers, with responsibility for performance management and development ensuring exceptional level of service to our clients Design and implement functionality for the external clients More ❯

About the Role Keysight is looking to hire a senior security software engineer to develop automated program analysis and fuzz testing capabilities for our security assessment products. The successful candidate will be key in designing and implementing novel and scalable tools for automated software composition analysis and … a sense of belonging, they can be more creative, innovative, and thrive at all points in their careers. Responsibilities: Designing solutions to enable automated software composition analysis and identification of vulnerabilities Developing and maintaining software composition analysis tools Performing research in embedded device firmware security and compose articles More ❯

Jnr - Mid Software Engineer – Tech for Good Location: Remote/Hybrid (UK or Ireland-based, occasional in-person travel) Contract: 9-month fixed-term (Full-time, PAYE) Salary: Up to £47k Make an Impact, Tech That Matters Join a pioneering startup on a mission to break down digital … Help shape engineering culture in a small, high-impact team You’ll Thrive Here If You Have 6+ years' experience as a full-stack engineer Are confident building both frontend (React, Nuxt, JS frameworks) and backend (FastAPI, Node.js, GraphQL, etc.) systems Write clean, consistent code quickly and thoughtfully Are More ❯

I am exclusively supporting a FinTech Product Company who are currently hiring for 2 x Senior Software Engineers to join their remote engineering team. They are profitable and already have their product (which i can expand on) used by a number of enterprise clients. They are looking for a … confident, experienced & passionate Senior Software Engineer with a product mindset and a deep understanding of Software Engineering. As a business, they are heavily driven by quality engineering & innovation and try to do things in a product mindset based around their end users. The role is FULL-STACK … + experience with another backend language (Ruby, C++. Elixir, Haskell, Go, Clojure or Scala) Private projects to showcase + deep interest/passion for software engineering is also a plus! They are also working heavily within AI and working with up to date AI technologies They are paying up More ❯

C++ Software Engineers (All Levels) – Edinburgh Hybrid (2 Days On-Site) We’re at a pivotal stage in building the first of two new R&D teams for a cutting-edge medical technology company based in Edinburgh. This is a rare opportunity to join a greenfield project, with up … to 22 hires planned across Principal , Senior , and Mid-Level Software Engineer roles. The product is a next-generation, globally distributed medical device, backed by a major parent organisation that ensures long-term stability and investment. The company offers a positive work-life balance, with standard working hours More ❯

Software Developer 4 Days per week in the Portsmouth Office C#, .Net Core, VueJS, Typescript £35,000 - £50,000 Software Developer required to join a progressive and leading company within the automotive industry. As a Software Developer you will help to transform the whole digital product suite. More ❯

Software Developer 4 Days per week in the Portsmouth Office C#, .Net Core, VueJS, Typescript £35,000 - £50,000 Software Developer required to join a progressive and leading company within the automotive industry. As a Software Developer you will help to transform the whole digital product suite. More ❯

We’re partnered with a globally recognised team behind a widely used open-source platform. They’re looking for a Senior Software Engineer with strong Ruby experience to lead on new feature development, performance improvements, and robust testing — all within a fully remote environment. You’ll be part More ❯

join us in person once a month for team meetings in either Edinburgh or London. How you will make a difference: As the Senior Software Engineer , you will play a key role as part of an agile team building innovative products that make life better for people. Develop … continuous feedback Advance the values of the organisation (caring, accountability, integrity, empowerment, passion, fun) What will make you stand out: Extensive experience in professional software development, with a strong track record of building and delivering high-quality applications Expert proficiency with JavaScript (NextJS, TypeScript, and SST) Strong experience with More ❯

you are not required or expected to have background in Machine Learning. This is an applied role, and we are looking to hire a software engineer with experience in cloud computing and distributed systems. In this role, you will: Design and develop highly-scalable, fault tolerant and event … language. Cloud-native technologies: Experience in deploying to cloud platforms (e.g., AWS, GCP or Azure), an understanding of containerisation (e.g., Docker), infrastructure-as-code software (e.g., Terraform), and observability platforms (e.g., Datadog or Grafana). Curiosity : A hunger to learn and grow your skills. Problem solving: Strong analytical problem … work environment and wider ecosystem. Why join us? Work in an environment conducting cutting-edge research in AI. An official role title of “Founding Engineer” – make an impact on day one. Competitive salary, equity and benefits package. 28 days + public holidays allowance. Opportunities for professional growth and progression More ❯

Doora allows real estate professionals to focus on closing deals while the AI handles conversations. Role Description We’re looking for a Full Stack Software Engineer Intern who’s excited by cutting-edge AI and wants to help build the infrastructure that powers Doora’s intelligence. You’ll More ❯

новичков с Unity и из других индустрий. Команды разработки для нас - ядро компании, благодаря которому наши игры растут и развиваются уже 20 лет. Lead Software Engineer – драйвер технического развития продукта, который ведет и развивает команду с точки зрения архитектуры, качества, культуры разработки и инженерных практик. В каждом проекте More ❯

Senior Software Developer Location: Bristol (Hybrid – 2/3 Days Onsite) Job Type: Permanent Clearance Requirement: SC Eligible The Opportunity We’re working with a leading defence organisation on a key hire for a Senior Software Developer to join their embedded systems team. This is a hands-on … high-impact role developing real-time software for next-generation systems where performance and reliability are critical. Whether leading delivery or solving complex low-level challenges in C/C++ or Ada, you'll be at the core of safety-critical defence technologies—offering both deep technical engagement and … long-term career growth. What You’ll Do • Lead or support the design, development, and integration of embedded software for advanced real-time platforms • Collaborate with systems, hardware, and safety teams to deliver certified software solutions that meet strict performance and security standards • Engage directly with requirement authorities More ❯

Software Developer 4 Days per week in the Portsmouth Office C#, .Net Core, VueJS, Typescript £35,000 - £50,000 Software Developer required to join a progressive and leading company within the automotive industry. As a Software Developer you will help to transform the whole digital product suite. More ❯

Full-Stack Product Engineer – Shipping the Future of AI in Finance - Remote (if preferred) 📍 Location: Office in London; open to remote with occasional travel. 💼 Type: Full-time 💰 Compensation: £70k-£130k + meaningful equity 🌍 Reach: Trusted by 40% of the world’s top 50 financial firms We’re building AI … vector search, and custom orchestration to automate tasks that have traditionally taken analysts days or even weeks. 🛠 What You’ll Do As a Product Engineer , you’ll be embedded deeply within one of our most strategic client engagements—delivering real value through hands-on development and technical leadership. You … direction through direct feedback from high-stakes, real-world usage 💡 You Might Be a Fit If You... Have 4+ years of experience as a software or product engineer, ideally in fast-paced, early-stage environments Are proficient with modern web frameworks (Python, React, TypeScript, etc.) and can build More ❯

We're looking for a DevOps Engineer with a strong software engineering mindset to join our team. This role is ideal for someone who enjoys writing clean, maintainable code to automate infrastructure, streamline development workflows, and optimize deployment pipelines. You’ll play a key role in building the … internal tools, services, and environments that enable software engineers to deliver high-quality features quickly and reliably. Key Responsibilities: Design, build, and maintain robust CI/CD pipelines to accelerate the software development lifecycle Develop internal tools and services in C# to support build automation, deployment, and testing … production Support migration of workloads to cloud infrastructure (Azure or AWS) Monitor and improve build infrastructure performance, helping scale services effectively Collaborate closely with software engineers and QA to identify and remove bottlenecks in the dev process Interface with corporate dev services and IT to align infrastructure and development More ❯

Senior Full Stack Engineer | Remote | React | Node | TypeScript | £95k + Equity La Fosse has partnered with a creator enablement platform that helps some of the world's most famous and talented creators maximise their commercial potential. As they move towards securing Series B funding, they are seeking Senior Full … stage virtual interview. If you're interested in the position and feel you fit some of the requirements, apply now! Senior Full Stack Engineer | Remote | React | Node | TypeScript | £95k + Equity More ❯

Full-Stack Engineer | Hedge fund Compensation: Up to £70,000 Location: Hybrid/London (4+ days per week in the office) Tech Stack: TypeScript/React, Python/Django, AWS Job Type: Full-time I'm am currently working with a fast-growing Hedge Fund who are accelerating the … transition to a positive financial future. They are currently on the search for a talented Full-Stack Engineer that has experience developing responsive web applications from the ground up and bring valuable expertise to their constantly evolving team. Key responsibilities include: Frontend development using React, TypeScript & CSS Backend development More ❯

Senior Java Developer - £75k | FinTech | remote | Java, React, AWS, TypeScript G.Digital have exclusively partnered with a growing FinTech who are looking for a Senior Java Engineer. 🔧 What You’ll Do: Design, develop, and maintain high-performance Java applications Collaborate with More ❯

About the projects: We are building LLM evaluation and training datasets to train LLM to work on realistic software engineering problems. One of our approaches, in this project, is to build verifiable SWE tasks based on public repository histories in a synthetic approach with human-in-the-loop while … the dataset coverage to different types of tasks in terms of programming language, difficulty level,etc. About the Role: We are looking for experienced software engineers (tech lead level) who are familiar with high-quality public GitHub repositories and can contribute to this project. You should have experience working … with well-maintained, widely-used repos with 500+ stars. This role involves hands-on software engineering work, including development environment automation, issue triaging, and evaluating test coverage and quality Why Join Us? Turing is one of the world’s fastest-growing AI companies accelerating the advancement and deployment of More ❯

various business engagements, such as client projects and internal company products. Some examples of these engagements include client scoping programmes, and PoC/MVP software development. A significant focus will be on building and optimizing Large Language Model (LLM) inferences and creating robust web services. This includes developing event More ❯

Lorien are currently engaged with a leading SaaS provider within their sector who are currently looking for a Senior Java Developer to join their team as they continue growth of their existing team. You will play a important role in More ❯

Backend Java Developer Fully Remote Contract - 12 months + Are you a seasoned Java Backend Developer with a passion for building high-performance video streaming platforms? Do you have a deep understanding of Content Management Systems (CMS) and a knack More ❯