1 to 25 of 53 Permanent Full-Stack Engineer Jobs in Southampton

Full-Stack Engineer | £45–55k | Nottingham Hybrid (2 days/week) This is a great opportunity to join a growing AI company that’s quietly making a big impact across retail and healthcare. Their modular AI tools are used to drive better decision-making … and now they need a full-stack engineer to help turn powerful AI insights into beautifully crafted user experiences. What you’ll be working on: Building clean, scalable interfaces that make advanced AI tools accessible Working closely with product, data, and AI teams to More ❯

Full Stack Angular Developer (Some backed Java) Synechron's global consulting firm combines creativity and innovative technology to deliver industry-leading digital solutions. Synechron’s progressive technologies and optimization strategies span end-to-end Artificial Intelligence More ❯

Full Stack Developer (Junior to Mid-Level) - Fully Remote | SaaS Web Analytics Are you a passionate developer eager to make an impact in a fast-paced SaaS environment? This is a brilliant opportunity to join an More ❯

Senior Full-Stack Engineer (TypeScript & LLM Integration) £80-110K + Equity A hugely exciting AI start-up is seeking several experienced Full-Stack Engineers to join a dynamic product team, focused on building innovative software powered by cutting-edge More ❯

seeking a driven, self-motivated and outgoing individual to help us accelerate the development of our products. We’re looking for a Full-Stack Engineer to join us on a contract basis and help us accelerate the development of our products.This individual will work … closely with Signals co-founders and Lead Engineer, contributing to both backend and frontend systems, and supporting devops and data-oriented tasks as needed. Responsibilities Contribute to backend development using Python (Flask framework) Maintain and expand our Typescript/React frontend Build and maintain Dockerized services deployed in … Work cross-functionally with product and data functions to deliver new features and maintain existing functionality Essential Qualifications Proven experience as a full-stack engineer, with a strong Python (ideally having used Flask before) and React background Comfortable working in AWS-hosted environments (with More ❯

We are seeking a highly experienced and versatile Senior Software Engineer with deep expertise across quantitative development, infrastructure engineering, and full-stack development, to join and lead a high-performance team. The ideal candidate thrives at the intersection of finance and technology, has led More ❯

Role: Software Engineer (Full Stack) Salary: £50,000 - £60,000 + equity options Location: Central London - 4 days per week in-office Overview Our client is a rapidly growing digital insurance provider on a mission to simplify and modernise the insurance experience. Backed by … in funding and with over 300,000 customers, they're entering a key period of product expansion. They're looking for a Software Engineer (Full Stack) to help shape and scale their platform as they continue to grow. Key Responsibilities Deliver high-impact features … peer reviews, and clean code Contribute to product and team direction in a high-growth environment Ideal Candidate 2-4 years of full-stack engineering experience Comfortable across frontend and backend (Python and Angular preferred) Strong software engineering fundamentals and a quality-focused mindset Experience working More ❯

Full-Stack Engineer (TypeScript & LLM Integration) £60-80K + Equity A hugely exciting AI start-up is seeking several experienced Full-Stack Engineers to join a dynamic product team, focused on building innovative software powered by cutting-edge AI More ❯

Role Overview: Contract: Permanent Salary: £30,000 - £35,000 Location: Hybrid working/Office Borough Market SE1 We are seeking a Junior Full-Stack Engineer to implement, develop, and maintaining Aibly AI applications and platforms for various clients. Working within an agile framework, you … minimise disruption to service delivery. Required Qualifications: Bachelor's degree in Computer Science, Software Engineering, or related field 2-3 years of full-stack development experience. However, we would consider a back-end developer with good front end knowledge Proven track record of working on web … creativity and technical excellence. Continuous learning and professional growth. Hybrid and flexible working arrangements. If you're a passionate Junior Full Stack Engineer excited about building an AI platform from the ground up, we want to hear from you. Your role will be crucial More ❯

and distributed systems -> Scalable and secure architectures -> Owning features end-to-end, from shaping the product idea to shipping the code. Type of engineer for Mid & Senior Full Stack Engineers | Green Tech/Energy Tech Start-Up | React.js Node.js TypeScript | LDN 2 Days Per More ❯

A global commodity trading firm is embarking on a greenfield rebuild of its Reference & Master Data Management platform and is looking for a Senior Full Stack Developer to join the team. This role involves full More ❯

🔧 Full Stack Developer - AWS | Node.js | React - (Mid-Level) – Up to £55,000 📍 Location: Remote - Must Be UK Based 💻 Full Time | Flexible Working | Unlimited Annual Leave Are you a Full Stack More ❯

Fullstack Developer – Python/Django £60,000 | Fully Remote (UK-Based) | Flexible Hours We’re working with a product-led scale-up in the proptech space that’s on the lookout for a Fullstack Developer to join their tight-knit More ❯

Job Title: Full Stack Software Engineer - Healthcare Industry: Biotechnology Research Location: UK (Remote) Princeton Biopartners is a best-in-class provider of integrated consulting solutions to the life sciences sector. Our mission is to improve the evidence base, accessibility, and dissemination of biomedical innovations … pain points via integrated and transformative projects. We are looking for a highly motivated and talented Full Stack Software Engineer to become our first full-time technology hire. As a Software Engineer, you will be critical in bridging the gap More ❯

Lead Full Stack Application Developer (Cloud & Integration Focus) Location: Newcastle upon Tyne Due to the nature of client work you will be undertaking, you will need to be willing to go through a Security Clearance process More ❯

Founding Engineer (Full Stack) - Digital estate planning wealthtech Location: UK-based, remote-first (with occasional London meet-ups) Compensation: Founding equity + pre-seed salary Start: Immediate About Inheritly Inheritly is rethinking how families prepare for “death and taxes.” Our mission is to help … our first full-time engineer to shape the product and the codebase. The Role We’re hiring a Full-stack Engineer as a founding team member and likely future Tech Lead. You’ll report directly to the founding team, work More ❯

Full-stack Developer – C#/.Net/Angular About the Role My client, a professional services firm is seeking a Full-stack Developer to help drive the evolution of its internal software platforms. This is a hands-on, full-stack More ❯

Job Title: Software Engineer - Full stack Java & React Location: Glasgow Short Description Design and deliver market-leading technology products in a secure and scalable way as a seasoned member of an agile team. Job Overview This is a unique opportunity to accelerate your career … while contributing to impactful technology solutions that drive innovation. As a Software Engineer III within the Employee Platform space, you will be a key contributor on an agile team, delivering secure, scalable, and high-performing applications. You will be responsible for developing solutions across multiple technical domains, supporting More ❯

Java Full Stack Engineer + Artificial Intelligence Are you self-motivated with an innovative mind, a passion for technology, and a good understanding of object orientated development? Apexon is a digital-first technology services firm specializing in accelerating business transformation and delivering human-centric More ❯

Senior Full Stack Engineer - Award-Winning Digital Consultancy Remote First - £350/£400 rate - Outside IR35 Join a top-tier digital consultancy that transforms complex challenges into seamless tech solutions for industry leaders. With global reach and a culture celebrated as a "Great Place … India, this organisation blends cutting-edge tech with an exceptional team ethos. The Opportunity: We're looking for a Senior Full Stack Engineer to play a key role in delivering end-to-end technical solutions using modern technologies like React, Node.js, TypeScript , and Azure More ❯

Founding Full Stack Engineer – Consumer AI (Stealth Mode) London – 2-3 days a week in the office Up to £120,000 plus generous stock options .Net Core | Azure | Typescript | React Native | Python Are you a Full Stack Engineer ready to build something radically new in AI and consumer tech? Founding Full Stack Engineer – We are working with a stealth-mode, consumer AI start-up backed by top-tier US and European VCs to find a Full Stack … latest in generative AI. This is a massive, untapped opportunity in a $1tr+ category. They are looking for a Founding Full Stack Engineer to help shape the product, stack and culture from day one. You don’t need to cover all of More ❯

Senior Full Stack Engineer - TypeScript, LLMs Fully Remote - UK based Salaries paying £85k - £110k + equity Oliver Bernard have partnered with a growing AI start-up who have recently secured another round of funding, and are now looking for talented Senior Full Stack Engineers to shape the product and company from the ground up. We are looking for a Mid Level Engineer to join our client's dynamic product team. This is … an incredible opportunity to work with cutting-edge AI technologies and drive innovation in B2B software solutions. Role Overview: As a Senior Full-Stack Engineer, you will contribute to a unified codebase powering both B2B platforms and custom AI integrations. You'll be involved More ❯

software development lifecycle, from concept through delivery. Leverage AI tools and technologies to create impactful solutions. Essential Skills & Experience: Proven experience in full-stack development, with a strong foundation in both front-end and back-end technologies (JavaScript, Node.js, React, etc.). Familiarity with cloud platforms … but the company offers flexibility to work remotely, so applicants from anywhere within the UK and Ireland are encouraged to apply. Skills: software engineer full stack node More ❯

Senior Full-Stack Developer – High-Growth Tech Startup Location: Remote Salary: Up to £85,000 This ambitious, early-stage tech startup is transforming how digital platforms leverage data and automation. Backed by a growing client base and a clear product vision, they are building a solution … that integrates complex data sources to power real-time insights and streamlined workflows. They are now seeking a Senior Full-Stack Developer to join their lean, high-performing team. This is a pivotal opportunity for someone who thrives in fast-paced environments, enjoys autonomy, and brings … development from shaping APIs to delivering high-performance user interfaces helping define the technical direction of a rapidly evolving product. Responsibilities Lead full-stack development using NestJS, MongoDB, React, and TypeScript. Integrate and manage third-party APIs, including Meta’s API and a separate API for More ❯

Full Stack Engineer (backend leaning). 📍 Remote First (UK) with an office in Central London. 💰: £45,000 - £75,000 This is a unique opportunity to join a growing company aiming to revolutionise the way we do our finances. With a lean, agile team of … working in an exciting environment, directly contributing to the company’s success. About the Role. We’re looking for a Full Stack Engineer to help design, develop, and scale our FinTech platform. This role leans heavily towards backend development, where you'll be responsible … TypeScript 🔹Frontend: React.js 🔹Infrastructure: AWS Lambda, Serverless Computing 🔹Architecture: Microservices What We’re Looking For? 👀 🔹Hands-on experience as a Full Stack Engineer or in a similar role. 🔹Strong proficiency in Node.js, React.js, and TypeScript . 🔹Knowledge of cloud platforms (AWS) and serverless technologies More ❯