1 to 25 of 49 Senior Software Engineer Jobs in the Thames Valley

Senior Software Engineer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Oxfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
Senior Software Engineer - Hybrid - Salary £70K (DOE) We're currently working with a growing SaaS company based in Oxfordshire that have an exciting job opening for a Senior Software Engineer skilled with C# .NET, Angular, and SQL. You will be guiding architectural decisions, ensuring … rolled out nationally. Part of this position will involve driving the adoption and effective use of emerging AI-assisted development tools and AI Software in the development life cycle (e.g., Cursor, v0) to enhance team productivity and innovation. Essential Experience: Proven experienced leading/mentoring software engineering teams ...

Senior Software Engineer

Hiring Organisation
OptumUK
Location
Milton Keynes, Buckinghamshire, UK
Employment Type
Full-time
Vacancy Are you a Senior Software Development Engineer looking to join a company where your work truly makes a difference? Where you're empowered to innovate, collaborate, and help shape the future of healthcare technology? Then this could be the opportunity for you. We're looking … talented Senior Software Development Engineer to join our EMIS-X Analytics team and help us build solutions that improve the lives of healthcare professionals and patients across the UK. This role focuses on solving Data Engineering challenges to enable NHS and other healthcare users to harness ...

Senior Software Engineer

Hiring Organisation
Platform Recruitment Limited
Location
Oxford, Oxfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£75,000
Senior Software Engineer | Oxford | £60,000 - £75,000 Our client is looking for a Senior Software Engineer to help develop the backend control software for their next-generation computing systems. The ideal candidate is an experienced backend developer with a solid foundation … backend services and control infrastructure. The Role: +Design, develop, and deploy reliable, maintainable, and scalable backend services and frameworks that support complex hardware and software systems. +Collaborate with cross-disciplinary teams, such as researchers, hardware engineers, and other technical specialists, to solve challenging problems and deliver high-quality software ...

Senior Software Engineer

Hiring Organisation
Platform Recruitment Limited
Location
Oxford, Oxfordshire, United Kingdom
Employment Type
Permanent
Salary
GBP 75,000 Annual
Senior Software Engineer Oxford £60,000 - £75,000 Our client is looking for a Senior Software Engineer to help develop the backend control software for their next-generation computing systems. The ideal candidate is an experienced backend developer with a solid foundation ...

DV CLEARED - Senior Software Engineer

Hiring Organisation
Hernshead Recruitment Ltd
Location
Burghfield, Oxfordshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 600 - 650 Daily
About this role: We are supporting an AWE Burghfield project and are seeking a DV Cleared Senior Software Engineer to take full responsibility for software delivery on a high-security, site-based controls and automation project. This is a senior-level role requiring strong Siemens … experience, leadership capability, and proven delivery within regulated defence or nuclear environments. The successful candidate will play a key role in software design, on-site testing and commissioning, client liaison, and the mentoring of junior engineers, ensuring projects are delivered safely, on time, and to the highest quality standards. ...

Senior Software Engineer

Hiring Organisation
Omnis Partners
Location
Slough, Berkshire, UK
Employment Type
Full-time
Senior Software Engineer (.NET) Up to £115k + Benefits | London | Hybrid Omnis Partners are partnering with a high-growth technology organisation that is redefining how merchants leverage data, analytics, and AI to understand performance and accelerate revenue growth. We're looking for a Senior Software Engineer (.NET) to join the central Data & AI team. You'll build scalable backend services, APIs, and data pipelines that transform millions of transactions into actionable insights for merchants. This is a greenfield opportunity to shape systems that scale, drive AI-enabled analytics, and make a real impact ...

Senior Software Engineer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Oxfordshire, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 Annual
Senior Software Engineer - Hybrid - Salary £70K (DOE) We're currently working with a growing SaaS company based in Oxfordshire that have an exciting job opening for a Senior Software Engineer skilled with C# .NET, Angular, and SQL. You will be guiding architectural decisions, ensuring ...

Senior Software Engineer (Golang)

Hiring Organisation
IntaPeople: STEM Recruitment
Location
Slough, Berkshire, UK
Employment Type
Full-time
Great place to Work' for several years running. Due to a large amount of continued growth we're looking to hire 4-5 Software Engineers within their tech agnostic engineering teams. The team work remotely so candidates based throughout the UK are welcome to apply but a Cardiff based … living and working within the UK. This is a fantastic time to join their product teams who have a wide range of technology products, software and services on offer. Being an experienced Engineer you will also contribute to a wide range of development projects whilst championing engineering excellence ...

Senior Software Engineer (Golang)

Hiring Organisation
IntaPeople: STEM Recruitment
Location
Reading, Berkshire, UK
Employment Type
Full-time
Great place to Work' for several years running. Due to a large amount of continued growth we're looking to hire 4-5 Software Engineers within their tech agnostic engineering teams. The team work remotely so candidates based throughout the UK are welcome to apply but a Cardiff based … living and working within the UK. This is a fantastic time to join their product teams who have a wide range of technology products, software and services on offer. Being an experienced Engineer you will also contribute to a wide range of development projects whilst championing engineering excellence ...

Senior Software Engineer (Golang)

Hiring Organisation
IntaPeople: STEM Recruitment
Location
High Wycombe, Buckinghamshire, UK
Employment Type
Full-time
Great place to Work' for several years running. Due to a large amount of continued growth we're looking to hire 4-5 Software Engineers within their tech agnostic engineering teams. The team work remotely so candidates based throughout the UK are welcome to apply but a Cardiff based … living and working within the UK. This is a fantastic time to join their product teams who have a wide range of technology products, software and services on offer. Being an experienced Engineer you will also contribute to a wide range of development projects whilst championing engineering excellence ...

Senior Software Engineer (OutSystems and .NET)

Hiring Organisation
ITRAC
Location
Reading, Berkshire, UK
Employment Type
Full-time
client - a London based software company are seeking an experienced Senior Software Engineer to join their product development team. You'll be at the heart of developing modern, performant applications across web, tablet, and mobile platforms. As a Senior Software Engineer you will … able to deliver effectively on both Outsystems and.NET and will be working with architects to deliver great user experiences and secure integrations for software used by external clients. We're looking for someone with strong, demonstrable expertise of at least 4 years Outsystems and at least 3 years .NET. ...

Senior Software Engineer (OutSystems and .NET)

Hiring Organisation
ITRAC
Location
Milton Keynes, Buckinghamshire, UK
Employment Type
Full-time
client - a London based software company are seeking an experienced Senior Software Engineer to join their product development team. You'll be at the heart of developing modern, performant applications across web, tablet, and mobile platforms. As a Senior Software Engineer you will … able to deliver effectively on both Outsystems and.NET and will be working with architects to deliver great user experiences and secure integrations for software used by external clients. We're looking for someone with strong, demonstrable expertise of at least 4 years Outsystems and at least 3 years .NET. ...

Senior Software Engineer (Java & C#/.NET)

Hiring Organisation
EC1 Partners
Location
Slough, Berkshire, UK
Employment Type
Full-time
Senior Software Engineer (Java) – Portfolio Optimization | Fintech | London/Hybrid About My Client My client is a high-growth fintech company transforming the way capital markets operate. Their mission is to make global financial systems safer, more efficient, and more open, using advanced technology and deep domain … develop intelligent solutions that optimise portfolios, reduce risk, and unlock access to more diversified capital. About the Role My client is seeking a Senior Software Engineer to join their Portfolio Optimization team — a core group responsible for building the technology that drives their balance-sheet and exposure ...

Senior Software Engineer

Hiring Organisation
Leo Technology
Location
Slough, Berkshire, UK
Employment Type
Full-time
Title: Senior Software Engineer Industry: Enterprise SaaS (Retail) Tech Stack: Golang, Kubernetes, Cloud Run, Pub/Sub, SpannerDB, GCP Working Set-Up: Remote first with occasional visits to London or Manchester offices (Please note - candidates for this role must be UK based) Salary - £85,000 p/… market leaders in retail loyalty solutions. With an enterprise client base including Sainsburys, Tesco, Walmart, Woolworths, and Asda, they're looking for a Senior Software Engineer to join their team and help them through their journey of evolving from a traditional PHP/MySQL monolith ...

Senior Software Engineer

Hiring Organisation
Leo Technology
Location
Milton Keynes, Buckinghamshire, UK
Employment Type
Full-time
Title: Senior Software Engineer Industry: Enterprise SaaS (Retail) Tech Stack: Golang, Kubernetes, Cloud Run, Pub/Sub, SpannerDB, GCP Working Set-Up: Remote first with occasional visits to London or Manchester offices (Please note - candidates for this role must be UK based) Salary - £85,000 p/… market leaders in retail loyalty solutions. With an enterprise client base including Sainsburys, Tesco, Walmart, Woolworths, and Asda, they're looking for a Senior Software Engineer to join their team and help them through their journey of evolving from a traditional PHP/MySQL monolith ...

Senior Software Engineer, Wikimedia Enterprise

Hiring Organisation
Wikimedia Foundation
Location
Reading, Berkshire, UK
Employment Type
Full-time
Summary The Wikimedia Foundation is looking for a Senior Software Engineer to join our team, reporting to the Sr. Engineering Manager. As the Senior Software Engineer, you will be responsible for developing and executing on the long-term engineering strategy in collaboration with … address business goals, keep the team moving quickly by designing and implementing necessary tools and services, and guide the team on best practices for software engineering and infrastructure reliability. Wikimedia Enterprise is a new, revenue-generating product that provides fast, comprehensive, reliable, and secure data ingestion for organizations that ...

Senior Software Engineer, Wikimedia Enterprise

Hiring Organisation
Wikimedia Foundation
Location
Milton Keynes, Buckinghamshire, UK
Employment Type
Full-time
Summary The Wikimedia Foundation is looking for a Senior Software Engineer to join our team, reporting to the Sr. Engineering Manager. As the Senior Software Engineer, you will be responsible for developing and executing on the long-term engineering strategy in collaboration with … address business goals, keep the team moving quickly by designing and implementing necessary tools and services, and guide the team on best practices for software engineering and infrastructure reliability. Wikimedia Enterprise is a new, revenue-generating product that provides fast, comprehensive, reliable, and secure data ingestion for organizations that ...

Senior Software Engineer (Backend) - Behavioral Security Products

Hiring Organisation
Abnormal AI
Location
Reading, Berkshire, UK
Employment Type
Full-time
protection product. This product is crucial for detecting malicious activity and safeguarding customers from account theft. About The Role We are looking for a Senior Software Engineer to take ownership of complex feature delivery and technical design for our ATO platform. This pivotal role involves evolving … updates, challenges, and solutions. Mentor peers, share knowledge, and influence engineering practices across the team. What We're Looking For Ownership & Growth: A senior engineer mindset—able to independently lead complex projects and grow into a technical leader within the team. Attention to Detail: Deep focus on code ...

Senior Software Engineer (Backend) - Behavioral Security Products

Hiring Organisation
Abnormal AI
Location
Milton Keynes, Buckinghamshire, UK
Employment Type
Full-time
protection product. This product is crucial for detecting malicious activity and safeguarding customers from account theft. About The Role We are looking for a Senior Software Engineer to take ownership of complex feature delivery and technical design for our ATO platform. This pivotal role involves evolving … updates, challenges, and solutions. Mentor peers, share knowledge, and influence engineering practices across the team. What We're Looking For Ownership & Growth: A senior engineer mindset—able to independently lead complex projects and grow into a technical leader within the team. Attention to Detail: Deep focus on code ...

Senior Software Engineer

Hiring Organisation
Platform Recruitment Limited
Location
Oxford, Oxfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£65,000
Senior Design Engineer Development of real-time machine control software in C#/.NET, integrating lasers, motion control, robotics, and industrial systems. Location: Oxfordshire (On-site) Contract: Full-time Salary: Competitive Were looking for a Software Software Engineer to help build and maintain high … performance software for advanced industrial systems. Key Responsibilities Build and maintain C#/.NET software (operator tools + backend services) Develop control software integrating hardware subsystems (automation, sensors, motion) Focus on performance and reliability (multithreading, low latency) Integrate with industrial systems via EtherCAT/OPC UA/ ...

Senior Python Software Engineer - £80k - £95k

Hiring Organisation
Creo Recruitment
Location
Slough, Berkshire, UK
Employment Type
Full-time
Senior Software Engineer (Python/AWS) £80 - £95k Location: London or Manchester Employment Type: Full-time, Permanent About the Role We're looking for a Senior Software Engineer with deep experience in Python and AWS to help design, build, and scale distributed, data-driven ...

Senior Lead Software Engineer - Data Engineer - Credit Technology

Hiring Organisation
JPMorganChase
Location
Slough, Berkshire, UK
Employment Type
Full-time
Description Join us and make a significant impact as a Senior Lead Software Engineer within our Credit Technology team. You'll have the opportunity to lead complex projects, drive innovation, and shape the future of our data platform. We value your expertise in software engineering … paced, dynamic environment. Your contributions will help us deliver state-of-the-art technology products that power our global Credit Trading business. As a Senior Lead Software Engineer in the Credit Technology team, you will lead the development of strategic data pipelines and software solutions ...

Senior Embedded Software Engineer

Hiring Organisation
Adepta Partners
Location
Oxford, Oxfordshire, UK
Employment Type
Full-time
Senior Embedded Software Engineer We are working with a pioneering specialist in rugged, next‐generation low‐light imaging systems, trusted across defence, aerospace, surveillance, and scientific markets to recruit a highly motivated Embedded Software Engineer to join their team. The successful candidate will play … role in designing, developing, and maintaining embedded software solutions for advanced imaging and sensor systems. This role requires strong technical expertise, problem-solving skills, and the ability to work collaboratively in a multidisciplinary environment. Key Responsibilities Develop and maintain embedded software, SDKs, and firmware for imaging systems Integrate ...

Senior Embedded Software Engineer

Hiring Organisation
Adepta Partners
Location
Milton Keynes, Buckinghamshire, UK
Employment Type
Full-time
Senior Embedded Software Engineer We are working with a pioneering specialist in rugged, next‐generation low‐light imaging systems, trusted across defence, aerospace, surveillance, and scientific markets to recruit a highly motivated Embedded Software Engineer to join their team. The successful candidate will play … role in designing, developing, and maintaining embedded software solutions for advanced imaging and sensor systems. This role requires strong technical expertise, problem-solving skills, and the ability to work collaboratively in a multidisciplinary environment. Key Responsibilities Develop and maintain embedded software, SDKs, and firmware for imaging systems Integrate ...

Senior Embedded Software Engineer

Hiring Organisation
ZENOVO LTD
Location
Oxford, Oxfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£65,000
Title : Senior Embedded Software Engineer Location : Oxford Salary : £55,000 - £70,000 (Depending on Experience) Job Overview: We are seeking an experienced Senior Embedded Software Engineer to join a multidisciplinary design and engineering team developing high-quality, safety-critical embedded systems. The successful candidate … will take technical ownership of embedded software development across multiple concurrent projects, working closely with hardware, systems, and test engineers to deliver robust and compliant solutions. This role will suit a hands-on engineer with strong experience in C/C++, ARM microcontrollers (STM32), and communication protocols such ...