Senior software developer jobs in Watford - Page 6Create job alerts

To professionalise our product development and continue our growth path, we are currently looking for a senior backend developer. Senior backend skills with at least 5 years of experience with Java, and a good understanding of Python (FastAPI, Flask…), SQL based databases. Experience with complian

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. Whether you’re refining our Azure architecture as CTO or shipping revenue‑critical features

Senior Software Developer (PHP & JavaScript). This is a fantastic opportunity for a Senior Software Developer to join a small, flexible and talented team where your work is central to how the business runs, where you will have proper ownership without the politics of a huge organisation, and be trea

Full-time, Permanent, On SiteAre you looking to work at a company built by Developers for Developers? Are you looking to work in a genuinely Lean Agile way, where there is no enforced overtime or crunch? Do you want to work in a high-quality environment where you can choose your tools and equipment?

As Senior Web Developer, be part of our FlexONE team and own critical product surfaces across our web and mobile applications. We deliver our software using agile methodologies, and we encourage best practices such as TDD, code reviews and pair programming for knowledge sharing and learning. We are

Senior Developer (Front Office - Rust/. Collaborate with senior team members to explore new technologies and best practices, contributing to the evolution of the system’s capabilities. You hold a degree in Computer Science, Software Engineering, or a related field.

Senior Software Engineer – Observability. Collaborate with other engineering teams to ship enterprise‑ready software.

This opportunity is a good fit for Senior Kotlin software developers open to part-time, non-permanent projects. Collaborate with developers to identify, reproduce, and resolve functional, performance, and UI issues across multiple environments. Degree in Computer Science, Software Engineering or rel

A gaming technology company in the United Kingdom is seeking a Senior Software Developer to design and build systems for game servers globally. This is a full-time position targeting mid-senior level developers. Candidates should have over 5 years of software development experience, strong full-stac

Pinewood Technologies is currently searching for a passionate, hands-on Full Stack Software Developer to join the team and help create innovative software solutions for automotive retailers around the world. As a Senior Software Developer at Pinewood, you will be responsible for working the full dev

As Senior Software Developer for the Dementia Research Institute (DRI) Centre for Care Research and Technology, you’ll be developing. You will serve as a senior member of the Centre’s software team. We are seeking exceptional software engineers who can thrive in a collaborative and innovative en

As a Senior Consultant, you will be aspiring leader within our DDaT team and will work alongside an experienced pool of other software developers, solution architects, product owners, project managers, business analysts, data scientists and AI experts, among others. We have a fantastic opportunity f

We are looking for Sr Software Developer to join our Cambridge-UK team!* Degree or equivalent, in Software Engineering, Computer Science, Maths or rel

You will have a voice to work with other senior developers on technical choices in a meritocratic environment. Full stack developer with Front- or Back- end specialization (Mid level, based in SA) – Join to apply for the Full stack developer with Front- or Back- end specialization (Mid level, base

Senior Software Developer- Java/DevOps skills required. This role supports the full life cycle of software development, and includes the opportunity for hands‑on coding. Degree in Software Engineering, Computer Science, Information Technology or similar.

Up to £300k Total Compensation 1st Year Comp.Low-level systems, performance tuning, and modern C++.An elite tech-driven firm is looking for a top-tier C++ Engineer to join their team! Known for breaking records in the tech space, they’re made up of exceptional technologists who are passionate abo

This is a fantastic opportunity for a Senior Software Developer to join a small, flexible and talented team where your work is central to how the business runs, where you will have proper ownership without the politics of a huge organisation, and be treated well!. If you like the idea of owning prop

The Lead Software Developer will be responsible for the software engineering output of the team. Lead Software Developer required by a leading global Cloud Technology company based in Bracknell. The company are happy to consider a Senior Developer who is looking to step up into more of a leadership

Senior Python Software Developer (SC Cleared). A Senior Python Software Developer (SC Cleared) is required for our government client, where you will be working on a specific project where they are transforming and redesigning their data hub, which provides access to a variety of public sector data.

Come and join JLR as a Senior Software & Data Processing Developer – ADAS - Assisted & Automated Driving. JOB TITLE: Senior Software & Data Processing Developer - ADAS - Assisted & Automated Driving. We’re looking for an accomplished developer to play a leading role in shaping the software tools

We are looking for a Senior Software Engineer to join our Software Development team.

An exciting new permanent opportunity has become available for a Senior Developer, to join a juggernaut organisation in the recruitment industry. They're looking for numerous Senior Developers to lead technical initiatives in a dynamic, AI-driven environment. To apply for the Senior Developer positi

Developers conceive, specify, design, engineer, document, test, and deliver bug fixes as needed to provide high‑quality software solutions. Marex is seeking a Senior C# Developer to join our Analytics Development Team in London. The Software Development function creates and maintains applications,

Software/Senior Software Developer (Generative AI). Avantra is looking for an energetic, self‑motivated, autonomous Senior Software Developer. You will be a part of a great team alongside other senior developers working in an agile environment, taking direction from our Product Manager and designs

Olive Jar Digital is seeking a Senior Software Developer to help build, refine, and enhance high‑fidelity AI prototypes and supporting services across several Discovery and Alpha initiatives. Senior Software Developer (Python). This role is ideal for a developer who enjoys solving complex problems

Solid understanding of software design patterns and testing practices. Starting next year, everyone will be issued Macs with tracking software.

A prominent Christian software company in the UK is looking for a Senior Developer to join their team. This hybrid role focuses on developing and refining software for church management and website solutions. Ideal candidates will possess at least five years of commercial development experience and

A leading technology company is seeking a Software Developer specializing in.

A software development company in Greater London is looking for a skilled React Native Developer to join their mobile team.

Senior Software Developer – who can be the lead in the team. You must have at least 5 to 7 years proven track record of developing software with Java and C#.

Senior Software Developer (Node. Senior Software Developer (Consultancy). If you have strong Senior-level experience in Node.

As a Senior Software Engineer, you will be part of a small, multi-disciplinary engineering team developing innovative solutions to complex customer challenges. Software testing and design-for-test principles. GNU Radio and Software Defined Radio (SDR).

We're looking for an experienced software engineer to take a senior role within a product-focused technology team. This is a fantastic opportunity to join a growing software team.

Senior Software Developer - HM Courts and Tribunals Service - G7. As a Senior Software Developer at HMCTS you will work with a wide range of stakeholders such as user researchers, product managers, designers, business analysts, delivery managers and digital architects, all of whom share a vision for

We're seeking Senior Python Developers to join our back-end development team. Final On‑site Interview – An in‑person meeting with our senior leadership team and co‑founders at our office.

Tangible is a fast-growing, tech-driven platform providing liquidity solutions to LPs and GPs in the private-markets secondaries space.By combining deep sector expertise with modern infrastructure, we unlock liquidity across private equity, private credit, and real assets, transforming the industry

We develop and deliver custom software.

A prominent educational institution in the Liverpool City Region seeks an experienced Senior Software Developer to enhance university systems supporting teaching and research. The selected candidate will play a crucial role in developing high-quality software solutions, leading technical projects an

We are looking for a curious Senior Frontend Developer who is motivated by learning, growth, and sharing knowledge with others. Practice proactive documentation and knowledge sharing, contributing to the betterment of software through peer code reviews, sharing discoveries within departmental forums

Providing technical assistance within DAQ to develop, test, maintain, and support user interfaces in collaboration with scientists, engineers, and software developers. We now have an opportunity for a Web Developer within Diamond’s Data Acquisition (DAQ) group, working as part of the newly formed

We’re looking for a Senior Software Developer to build high-impact features powering real-time, high-volume systems. Actively identify opportunities and risks across products and teams, mentor junior developers, and drive best practices.

Senior Software Developer with Liferay or Angular. Knowledge of cloud software design (AWS / Azure).

Vacancy for Senior Software Developer at The National Archives. Vacancy for Senior Software Developer at The National Archives. We are looking for a Senior Software Developer with extensive experience working within the Django web and rest frameworks and ideally with Wagtail CMS development experien

A technology consulting firm is seeking a Director to lead software development efforts. Candidates should have a minimum of 3 years of experience and demonstrate a solid understanding of the software development lifecycle.

We are a small but rapidly growing team of mathematicians, data scientists and software engineers constantly striving to refine our world class statistical models while also researching and deploying new ones. We are a small but rapidly growing team of mathematicians, data scientists and software en

Senior Software Developer with Angular – Central London.

The Senior Software Engineer Application Developer supports business solutions. Senior Software Engineer - Navision. The Sr Software Eng II Application Developer participates in application standards development and serves as an evangelist for best practices.

Senior Software Developer- Java/DevOps skills required. This role supports the full life cycle of software development, and includes the opportunity for hands‑on coding. Degree in Software Engineering, Computer Science, Information Technology or similar.