1 to 25 of 29 Senior Developer Jobs in the Thames Valley

Senior Web Developer who fancies redefining operational excellence across higher education, conferencing and events? You'll be joining a company trusted by more than 350 institutions worldwide and backed by 25 years of experience. You'll be joining a people-first, purpose-driven business where ideas are valued … growth is supported and impact is truly visible. We're looking for a Senior Web Developer with outstanding front-end expertise and strong full-stack capabilities to help shape the next chapter of our platform. You'll design and deliver accessible, secure and high-quality web solutions, working ...

Senior Application Developer - Remote UK - £60000 What is in it for you? As a talented Senior Application Developer you can expect: A supportive and adaptive culture Access to a structured training and career progression plan Opportunities to take the lead on critical projects and enhance your … across the banking, digital commerce and retail experience software space. Due to continued growth and demand for their products they now urgently need a Senior Application Developer to join their team. This role would suit a Senior Application Developer who has a love ...

Senior .NET Developer Hybrid, Bicester, Oxfordshire (1 day per week in the office) £55,000 to £65,000 A UK-based technology business is hiring a Senior .NET Developer to work on a large, business-critical web platform used by external customers. This is a hands … APIs, and modern front end technologies including HTML, CSS and JavaScript. Git is used for version control within an agile development environment. As a senior developer, youll play an active role in technical decision making, code reviews and maintaining development standards. There is genuine scope to influence ...

Senior C++ Developer/Engineer (C++ Rust Low Latency Trading) London/WFH to £180k+ Are you a Senior C++ Developer to progress your career and transfer your skills to Rust? You could be joining a hugely profitable High Frequency Trading firm that specialise in crypto … markets and earning substantial bonuses in a senior, hands-on Senior C++ Developer role. What's in it for you: Salary to £180k Bonus (c50% of base) Pension Hybrid working Career progression Your role: As a Senior C++ Developer you will design and develop high ...

Senior Frontend Developer Up to £90,000 Central London - Flexible Hybrid Options Health-Tech A start-up within the health space are seeking a Senior Frontend Developer to lead a high performing squad of engineers building a unique SAAS platform which is radically streamlining an existing … complex process. You'd join as a Senior Frontend Developer and make a real impact on user facing features from the off while enhancing frontend architecture in order to accelerate the products ground-breaking advancements. As a Senior Frontend Developer, you will have the following: Strong ...

Senior Java Developer | Fullstack | Microservices | HealthTech | Wokingham | £85k I'm proud to partner with the UKs largest and fastest-growing EPR business, driving digital healthcare transformation with pioneering cloud and SaaS technologies. They have become a critical platform in hospitals around … most widely used clinical applications by doctors. They are looking for an experienced Senior Java Developer to help develop their rapidly growing application. This isn’t just another coding job, it’s an opportunity to build technology that directly impacts lives and shape the future of patient care.The ...

Senior Python Developer/Engineer (Python AWS) London/WFH to £130k Are you a Python technologist with experience of Front Office trading environments? You could be progressing your career on the Asset Management side of a global Japanese bank as they expand this product offering within … UK. As a Senior Python Developer you will take ownership of a Greenfield trading systems build, in an impactful role that will directly affect the PnL and success of the business. You'll design, build and maintain highly performant, robust, scalable trading systems including cloud infrastructure, collaborating with ...

Senior .NET Developer Hybrid, Bicester, Oxfordshire (1 day per week in the office) £55,000 to £65,000 A UK-based technology business is hiring a Senior .NET Developer to work on a large, business-critical web platform used by external customers. This is a hands ...

Senior Oracle PL/SQL Developer, OLTP, Technically challenging hands-on coding role in a large and complex environment. Slough, Berkshire (office based in Slough during probation then 3 days in the office and 2 days working from home). Salary most likely to be in the range … + benefits. Successful software technology company based in Slough are looking for a Senior Oracle developer to join their team. To be considered you will have excellent PL/SQL development skills with strong knowledge of OLTP, table designs, SQL queries and more. In addition you must also ...

Role/Job Title: Senior GIS Developer Work Location: Reading, UK If Hybrid, How Many Days Required in Office?: Maximum 2 days per week The Role Senior GIS Developer to design, develop, and implement advanced GIS applications and solutions. Strong expertise is required in Esri technologies … DevOps practices Excellent problem-solving and communication skills Desirable Skills/Knowledge/Experience Water Utilities and other utilities experience Esri certifications (Web Application Developer, Enterprise Administration) Knowledge of data migration and integration with enterprise systems ...

product, customer success, marketing, and sales, we're gearing up for hyper‐growth. We're looking for two down‐to‐earth professional, a conscientious Senior Software Developer, to build on what already works and unlock our next wave of innovation. Your Impact Raise the bar sensibly. Whether … refining our Azure architecture as CTO or shipping revenue‐critical features as Senior Dev, you'll set high standards without reinventing the wheel. Champion intuitive user experiences. Both roles care deeply about usability, ensuring our platform feels effortless for travel pros and their travellers. Own the craft. Understand ...

Senior Ruby on Rails Developer – Remote (UK) We're working with a high growth UK-based FinTech company and looking for a strong Senior Ruby on Rails Developer to join their UK-based engineering team. What you'll need: Strong backend Ruby on Rails experience (7+ ...

Senior Backend Developer (.NET | AI-First SaaS Platform) Compensation: Competitive, based on location and experience Location: UK or Turkey (Hybrid – Office & Remote) Keepnet is an AI-driven SaaS platform experiencing strong, sustained growth in the UK with growing global momentum, helping organisations manage human cyber risk at scale. … autonomous systems that plan, build, and operate security awareness and human risk workflows, supported by strong guardrails and observability. We're looking for a Senior Backend Developer who wants to build production-grade backend services that power these systems, working in a multinational, AI-first engineering team where ...

Role/Job Title: Senior GIS Developer Work Location: Reading, UK If Hybrid, How Many Days Required in Office?: Maximum 2 days per week The Role Senior GIS Developer to design, develop, and implement advanced GIS applications and solutions. Strong expertise is required in Esri technologies ...

Role/Job Title: Senior GIS Developer Work Location: Reading, UK If Hybrid, How Many Days Required in Office?: Maximum 2 days per week The Role Senior GIS Developer to design, develop, and implement advanced GIS applications and solutions. Strong expertise is required in Esri technologies ...

Role: Senior Mobile Applications Developer Clearance: SC required Location: Hybrid - up to 2 days onsite in High Wycombe (as required) Working Pattern: Full-time IR35: Inside IR35 Start Date: ASAP Contract End Date: 27 February 2026 Role Overview: We are looking for an experienced Senior Mobile Applications … Developer to support the ongoing development of existing mobile applications. The role will focus on implementing new features and ensuring applications are updated and compatible with the latest operating system versions. Key Skills & Experience: Strong experience in iOS development using Swift and UIKit Experience with Java Ability to work ...

through 2000AD, publish comics and graphic novels such as the amazing Judge Dredd. We are seeking an experienced and highly skilled back-end Senior Online Developer to join our tech team, to help build and support internal and external web APIs to support our game engine team. … building internal tools as well as public facing APIs. This is primarily a back-end role and we are looking for a talented senior or lead who has experience building performant and distributed backend APIs, and efficiently utilising 3rd party services. They will be comfortable communicating with other teams ...

established client is looking for a Senior Oracle Developer to join their growing team. The successful candidate will need to have approximately 10 years plus of solid Oracle PL/SQL development skills gained within large scale information systems environments with a good understanding of configuration management. Financial ...

between Hafnia, in partnership with Marfin Management, C Transport Maritime, Trans Sea Transport and BW Epic Kosan and Símbolo We are looking for a Senior Engineer to establish and lead our new Developer Experience team. This team's mission is to improve engineering productivity, consistency, and satisfaction … packaging, and deployment. Standardise release processes across services. Enable customer-facing packaging and deployments, without owning release decisions. Change Management & Adoption Identify friction in developer workflows through metrics, surveys, and incident data. Drive adoption of DevEx improvements by partnering with engineering teams, running enablement sessions, and monitoring uptake. Establish ...

between Hafnia, in partnership with Marfin Management, C Transport Maritime, Trans Sea Transport and BW Epic Kosan and Símbolo We are looking for a Senior Engineer to establish and lead our new Developer Experience team. This team's mission is to improve engineering productivity, consistency, and satisfaction … packaging, and deployment. Standardise release processes across services. Enable customer-facing packaging and deployments, without owning release decisions. Change Management & Adoption Identify friction in developer workflows through metrics, surveys, and incident data. Drive adoption of DevEx improvements by partnering with engineering teams, running enablement sessions, and monitoring uptake. Establish ...

between Hafnia, in partnership with Marfin Management, C Transport Maritime, Trans Sea Transport and BW Epic Kosan and Símbolo We are looking for a Senior Engineer to establish and lead our new Developer Experience team. This team's mission is to improve engineering productivity, consistency, and satisfaction … packaging, and deployment. Standardise release processes across services. Enable customer-facing packaging and deployments, without owning release decisions. Change Management & Adoption Identify friction in developer workflows through metrics, surveys, and incident data. Drive adoption of DevEx improvements by partnering with engineering teams, running enablement sessions, and monitoring uptake. Establish ...

expect to feel welcomed and supported by some truly talented people, in a company that is constantly innovating. We are looking for a Senior Frontend Developer, based in the UK. This role will involve building and maintaining our new website platform using Next.js, React, TypeScript, TailwindCSS and MongoDB. ...

Senior Python Quantitative Developer sought by a specialist and multi-award-winning Systematic Hedge Fund in a brand-new Core team designing and implementing a greenfield centralised Python/SQL/Linux/Docker platform for Backtesting, Pricing, Risk and Performance to be used across all Funds … tenure. The firm totals around 150 staff, all of whom are office-based three or more days per week. This is a more technical Senior QD role which will involve collaborating with Quantitative Researchers and Portfolio Managers to architect, design and implement scalable solutions, addressing complex business needs. Primarily ...

education – making high-quality, personalised learning accessible to everyone. What was once technologically impossible is now within our grasp. We're looking for a Senior Full Stack Developer to join our growing development team. What you will do Design and implement a new high-scale system for millions ...

staff are helping to keep the UK at the forefront of scientific research. About the Role We now have an opportunity for a Web Developer within Diamonds Data Acquisition (DAQ) group, working as part of the newly formed UI/UX team. The user interface is the gateway ...