Software developer jobs in Harpenden - Page 2Create job alerts

Python/Golang/Rust Developer - Digital Assets arm of Global Hedge Fund - Up to £200k base + Bonus. Python/Golang/Rust Developer - Digital Assets arm of Global Fund - Up to £200k base + Bonus.

As a Front End Developer you will join one of our multinational Scrum teams to create state-of-the-art software solutions. Front End JavaScript Developer. Engage across all phases of the software delivery lifecycle, including development, testing, release, and maintenance.

UX‑first, often highly complex software. You’ll join a smart, collaborative team that pushes each other to articulate and defend every architectural decision in pursuit of best‑in‑class software.

Experience working as a Software Engineer, Full Stack Developer or similar role. An innovative technology business operating within the energy and electric mobility sector is looking to hire a Software Engineer to support the development of software platforms that connect infrastructure, devices and

Software Developer - Cramer/OSS - NewburyReference Code: 251521-en_GBContract Type: PermanentProfessional Communities: Products & Systems EngineeringAt Capgemini Engineering, the world leader in engineering services, we bring together a global team of engineers, scientists, and architects to help t

Company DescriptionEstablished in 1987, QBS Software provides a platform for software companies and channel resellers to increase efficiency and achieve growth. We are a technology company with a focus on software covering the enterprise, cloud and consumer markets.

Developer - Rust & Python 2 days a week onsite in Banbury£350pd to £400pd - Inside IR358 month contractOur client are looking for an experienced Developer to join them on a contract basisThey are a household name, operating at the forefront of the IT and engineering sectors, specialising in the de

Technical Lead Full Stack Developer(TypeScript, JavaScript, Node)Location: Hybrid working within Hampshire / West Sussex Salary: Competitive + benefitsWe're working with a fast-growing UK SaaS technology company that builds data-driven digital products used by commercial teams to better understand

NET Software Developers who can use their development skills and expertise to produce high quality, innovative solutions for a wide range of customers.

Senior Software Developer (Voice / SIP Platforms)£55,000 £65,000 DOE | Hybrid Working (1x day a month office)Are you a seasoned developer with a passion for building robust, real-time communications platforms? Looking for a role w

Excellent opportunity for a Senior Software Developer to play a key role in architecting, developing, and enhancing our clients in-house trading and research systems.

Senior Software Developer BathAre you an experienced Software Developer passionate about collaborative development and fostering growth in others? A dynamic company in Bath is looking for a Senior Software Developer to join their innovative team.

The Software Developer role will provide services to design, development, implementation and support of desktop and web applications on a portfolio of projects, identified as part of The Waltons Informatics plans. The Software Developers prime responsibility is to ensure that assigned projects produ

A UK government agency is offering a Software Developer/Engineer Apprenticeship to work on modern digital platforms and support key government services. This role includes developing software applications under supervision and participating in code reviews. Candidates should possess a Level 3 Softwa

Playtech is the gaming industry's leading technology company delivering business intelligence-driven gaming software, services, content, and platform technology across the industry. All PC hardware and software provided for both remote and office setups. Playtech Sports specialises in the provision

A specialist cyber intelligence organisation in the financial sector is looking for a Graduate or Early Career Software Developer to join their growing technical team. Degree in Computer Science, Software Engineering, or similar technical discipline. Understanding of core software development princi

A governmental agency is seeking a Low Code Software Developer in the United Kingdom to develop and deploy high-quality low code solutions.

Senior Software Engineer (Python/Java, AWS). From a technical standpoint, the team is looking for experienced software engineers with strong skills in either Python or Java alongside AWS, with the ability to work across a modern cloud environment.

A leading legal services firm in the UK is seeking a Software (Bespoke) Developer.

Are you a Senior Software Developer with strong C#,. Due to continued growth and platform development, they are looking to strengthen their team with a capable Senior Developer who can support, enhance and modernise their existing systems while contributing to future improvements. This role would su

A global consultancy in the UK is seeking a Lead Software Developer with expertise in. NET and Python to lead their software development team.

We are building a new software engineering team with strong applied AI orientation to amplify WorldQuant's success. Work experience as a software engineer with strong programming skills, preferably in Python.

You will architect the developer ecosystem that allows our customers and partners to build the next generation of solutions for transport, construction, and utilities, powered by Samsaras data and AI. Own the strategy and architecture for our serverless compute platform, empowering thousands of de

Full Stack Software Developer or MERN Stack Developer. We’re Hiring: Full Stack Software Developer (MERN) – 3–5 Years Experience. Genesis Code is a modern software development company focused on building scalable, high-quality digital products and web applications.

A leading technology company is seeking a Staff Software Engineer to architect a developer ecosystem focused on large-scale data streaming systems.

A leading technology SME in London seeks a motivated Java Software Developer with 1-3 years experience in software development.

As part of the Technical Team, you will work directly with the full lifecycle of production‑grade software—from early prototypes to stable, shipping features. You will contribute both to new product development and to the ongoing evolution of our existing software.

Freelance Software Developer (Ruby) - AI Trainer. Bachelor's or Master's Degree in Software Development, Computer Science, or other related fields.

Experienced Software Developer/Engineer. Experienced Software Developer/Engineer. Our client, a rapidly growing deep-tech consultancy, urgently require an experienced Software Engineer to join their team on a permanent basis.

Software Engineer | Building Intelligent Systems That Make an Impact. An exciting opportunity has arisen for a Software Engineer to join a cutting‑edge team developing impactful, mission‑driven technology. The role offers the chance to contribute to projects such as AI‑powered tools for analys

Collaborate closely with product managers, designers, and other developers in an Agile development environment.

Work alongside experienced developers on real-world projects. You will benefit from mentorship by seasoned developers, exposure to modern development practices and tools, and a clear career progression path.

The Software Development function creates and maintains applications, frameworks and other software components to deliver to business requirements. Developers conceive, specify, design, engineer, document, test, and deliver bug fixes as needed to provide high quality software solutions. As a softwar

Role: Software Developer (React) – Up to £120,000 + Bonus + Package. Software Engineers are treated as the company’s.

AI researchers who specialize in software engineering, logical reasoning, STEM, multilinguality, multimodality, and agents; and second, by applying that expertise to help enterprises transform AI from proof of concept into proprietary intelligence with systems that perform reliably, deliver measurab

Maintain and support open GitHub repositories, following robust branching and commit practices.Backend Service Development with Node.Develop backend services using Node.You will test and document code releases and support the team at GDS Service Assessments.

We're excited to re-open our annual Graduate Software Developer Programme – an 18-month journey designed to shape the next generation of engineers through hands‑on experience, impactful work, and deep exposure to the full product lifecycle. Build scalable, reliable, and performant software. Be p

This role would suit a Software Developer, Java Developer, Senior Software Developer, Software Developer Team Leader, Backend Developer, Full Stack Developer, Senior Backend Developer, Senior Full Stack Developer, Software Engineer, Java Engineer, Senior Software Engineer. Providing technical leader

Software Developer (Quadient) – HM Revenue & Customs. If the answer is yes, you will be pleased to hear HMRC are looking for a Developer to join their document composition team to expand our print and digital offering using Quadient Inspire for composition and orchestration activities. Experienced

Software Developer (Python) – Up to £140,000 + Bonus + Package. Software Engineers are treated as the company's #1 asset.

We're looking for an amazing Graduate Web Developer to join our growing team and help push this product on to the next 100 million users. Fixing software defects and sharing what was learned.

A leading technology company in North Kesteven is seeking a Junior Software Developer.

Techwaka recherche un Développeur de Logiciels talentueux pour concevoir et maintenir des systèmes logiciels.Le rôle implique de travailler sur des solutions innovantes allant de l'intelligence artificielle au développement de moteurs 3D.Le candidat idéal devra posséder un diplôme en informat

The Ground Segment Software Developer will design, implement, and maintain mission‑critical software used in spacecraft monitoring and commanding. Implement new Ground Segment software modules in Java and Python. Good understanding of software engineering principles, testing, and documentation.

Share knowledge and mentor junior developers where needed.