13 of 13 Principal Developer Jobs in the Thames Valley

Principal Java Developer – Major Financial Institution London/Hybrid | Contract | £700-£800 inside IR35 (gross umbrella rate) We’re working with a major financial institution looking to scale out its engineering function with a Principal Java Developer to lead critical systems work. This is a hands … Bonus points for: Angular, React or frontend exposure Familiarity with Snowflake or backend SQL variants This is a great opportunity for an experienced Java Developer to join a prestigious financial player. If you’re someone who thrives in complex environments and enjoys technical leadership alongside delivery, apply now. More ❯

Lead/Principal Software Developer - Fully Remote Lead/Principal Software Developer needed for an early-stage Start-Up at a crucial part of its journey. Looking for someone with 3-5 years of experience as a Full Stack Software Developer to come in and … take responsibility from a remote position and have top level Python and Typescript skills. Currently interviewing - please send CV for immediate review! Lead/Principal Software Developer - Fully Remote More ❯

Job Title: Principal Android Developer - On-site in Central Manchester Location: Oxford district, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 2 Posted: 06.06.2025 Expiry Date: 21.07.2025 Job Description: We are seeking a talented and enthusiastic Principal Android Developer to join our … We develop software for workplaces, providing solutions for people management and tracking. Due to recent growth, we are looking for an experienced Senior Android Developer to contribute to our success, working closely with a supportive and forward-thinking team. The role involves hands-on development, leadership, and mentoring. Key More ❯

Lead/Principal Software Developer - Fully Remote Oho Group Ltd is seeking a Lead/Principal Software Developer for a fully remote position with a start-up company based in Slough, United Kingdom. This role requires a candidate with 3-5 years of experience as a … Full Stack Software Developer , capable of developing responsive web applications and robust APIs with a focus on performance, security, and user experience. The ideal candidate should have strong skills in Python and TypeScript . This position offers an exciting opportunity to work in an early-stage start-up environment More ❯

Social network you want to login/join with: Principal Android Developer, High Wycombe Client: Location: High Wycombe, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 2 Posted: 06.06.2025 Expiry Date: 21.07.2025 Job Description: Principal Android Developer - on site in Central Manchester … software that provides workplaces with software for people management. Due to our growth and future plans, we are looking for an experienced Senior Android Developer to join our Manchester team. You will work closely with colleagues, with hands-on development as well as leadership and mentoring responsibilities. Our team … BDD approach. We support your career growth and staying up-to-date with the latest tech. We seek a confident and passionate Senior Android Developer experienced in Agile environments. If you are enthusiastic about development and thrive in a fast-paced setting, you could be the perfect fit! Enthusiasm More ❯

Social network you want to login/join with: Principal Python/Backend Developer, slough col-narrow-left Client: IC Resources Location: slough, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description … Principal Python/Backend Developer IC Resources are delighted to be partnering with a game-changing and fast-growing AI-first startup based in London. They use advanced 3D AI technology to power the first intelligent control room for the $12 trillion construction industry, fully automating construction progress … installation quality and predictive risks. A very competitive salary can be offered plus excellent share options. What’s Required? For this Principal Python/Backend Developer, we’re interested in people from a variety of backgrounds, but your experience may include some of the following: Experience in Python More ❯

Social network you want to login/join with: Principal Software Engineer - Java, Spring Boot, Microservices, Rest API's, AWS, Azure, Databases, Leadership, Management, Design, Core Java, Code Review, Refactoring Code I am working with a global consultancy who are seeking Principal Java Engineer to be deployed onto … an exciting project at one of their retail clients. You will be a principal member of the team, with extensive Java programming knowledge across all phases of the SDLC. You will be required to guide your team in delivering high quality software solutions, mentoring senior and junior engineers, and … London and have to right to work without sponsorship. If you are interested or know anyone who might be please get in contact - [emailprotected] Principal Software Engineer - Java, Spring Boot, Microservices, Rest API's, AWS, Azure, Databases, Leadership, Management, Design, Core Java, Code Review, Refactoring Code #J-18808-Ljbffr More ❯

Job Title: Senior .NET Developer (12-Month Contract) Location: 100% Remote Inside IR35 We are looking for an experienced and talented Senior .NET Developer to join our dynamic development team on a 12-month contract with the potential for extension. As a Senior .NET Developer, you will … objectives are met. Maintain a strong focus on quality, reusability, clean architectures, security, and resilience across the full application lifecycle. Collaborate with the Lead Developer, Delivery Manager, and Product Owner to design service improvements and new feature additions. Key Essentials: 3+ years of experience in a senior software development More ❯

Social network you want to login/join with: Principal/Staff Engineer, PHP - would you like the opportunity to work with a scaling fintech company based in the UK? The Company A market leading fintech with a global presence. With high-end offices in central London. You will … highest of levels Requirements: Strong knowledge of Symfony Knowledge of Docker Ability to work individually as well as part of a team As a Principal/Staff Engineer, PHP, this is a unique opportunity to join a market leading company with the added bonus of continuing to grow your More ❯

Social network you want to login/join with: Principal/Staff Engineer, PHP - would you like the opportunity to work with a scaling fintech company based in the UK? The Company A market leading fintech with a global presence. With high-end offices in central London. You will … highest of levels Requirements: Strong knowledge of Symfony Knowledge of Docker Ability to work individually as well as part of a team As a Principal/Staff Engineer, PHP, this is a unique opportunity to join a market leading company with the added bonus of continuing to grow your More ❯

Social network you want to login/join with: Principal/Staff Engineer, PHP - would you like the opportunity to work with a scaling fintech company based in the UK? The Company A market leading fintech with a global presence. With high-end offices in central London. You will … highest of levels Requirements: Strong knowledge of Symfony Knowledge of Docker Ability to work individually as well as part of a team As a Principal/Staff Engineer, PHP, this is a unique opportunity to join a market leading company with the added bonus of continuing to grow your More ❯

Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 2 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: Position: Principal/Staff Engineer Technologies: PHP – Symfony Location: Remote Are you interested in working with a scaling fintech company based in the UK as a … Principal/Staff Engineer, PHP? The Company A market-leading fintech with a global presence and high-end offices in central London. You will join an established PHP team during an exciting growth phase in their PHP development function. The Role Lead the development team and communicate with stakeholders More ❯

Social network you want to login/join with: Design, develop, troubleshoot, and debug software programs for databases, applications, tools, networks, etc. #LI-DNI As a member of the software engineering division, you will take an active role in defining More ❯