251 to 275 of 287 Senior Software Engineer Jobs in the UK

Senior Full Stack Software Engineer

Hiring Organisation
Bolt Technical Limited
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
Title: Senior Full-Stack Software Engineer - LAMP Location: Milton Keynes (office-based initially, hybrid after ~6 months) Salary: £70,000 £80,000 + Bonus + Benefits Hours: Full-time About the Role Bolt Technical are hiring exclusively for a growing SaaS business. This is a key senior … performance, security, and scalability Contribute to DevOps, CI/CD, and cloud infrastructure Mentor junior developers and support best practices What Theyre Looking For Senior full-stack experience in a LAMP environment Strong PHP and MySQL skills Experience with modern JavaScript frameworks API design experience Comfortable in a hands ...

Senior Full Stack Software Engineer

Hiring Organisation
Bolt Technical Limited
Location
Milton Keynes, Buckinghamshire, United Kingdom
Employment Type
Permanent
Salary
GBP 80,000 Annual
Title: Senior Full-Stack Software Engineer - LAMP Location: Milton Keynes (office-based initially, hybrid after 6 months) Salary: £70,000 £80,000 + Bonus + Benefits Hours: Full-time About the Role Bolt Technical are hiring exclusively for a growing SaaS business click apply for full ...

Senior C# Software Engineer

Hiring Organisation
ECM Selection (Holdings) Limited
Location
Cambridge, Cambridgeshire, United Kingdom
Employment Type
Permanent
Salary
£65000 - £75000/annum DoE + Benefits
Developing high quality enterprise software in C# .NET, with flex for part time working This is an opportunity for an experienced C# .NET Software Engineer to join a successful, growing mid-sized company where good design skills and dedication to creating high quality code will be valued. … Working as part of a small, collaborative team with other developers, product managers, and test engineers, and with involvement in all aspects of the software development lifecycle. The development process utilises a pragmatic blend of XP and Agile concepts in order to minimise process overheads and spend more time ...

Senior Embedded Software Engineer

Hiring Organisation
IC Resources
Location
Bath, England, United Kingdom
Super new opportunity for a Senior Embedded Engineer to join a well established company in Bath. ***salary £50k to £65k plus benefits, hybrid working and flexitime*** I am looking for a highly skilled Senior Embedded Engineer with a wealth of expertise in the following areas … Bare Metal Level Communication protocol knowledge Good appreciation for hardware/FPGA Experience with IOT and wireless technologies including LoRaWAN is highly beneficial. Superb senior level position which will really suit someone seeking a long term opportunity where they can really make an impact. Central Bath location, hybrid working ...

Senior Java Software Engineer

Hiring Organisation
Synchro
Location
City of London, London, United Kingdom
Senior/Lead Backend Engineers - Greenfield Fintech Location: London Salary: £95,000 - £140,000 + bonus Would you like to take your software engineering career to the next level and be part of something truly special? If the answer is yes, then please read on. Our client … brand-new builds, designed from the ground up, with a packed and ambitious technical roadmap ahead. As part of this expansion, we are seeking Senior and Lead Backend Engineers who want to play a key role in shaping modern, scalable platforms and have a genuine impact from day one. ...

Senior Embedded Software Engineer

Hiring Organisation
Enterprise Recruitment Limited
Location
Cambridge, Cambridgeshire, United Kingdom
Employment Type
Permanent
Salary
GBP 100,000 Annual
ambitious Embedded Software Engineer, excited by the proposition of joining the fastest growing company in Europe The business has lots of capital, pays excellent salaries and is offering equity to joiners in 2026.They are at an exciting stage of growth and looking for 3 hands-on Embedded Software ...

Senior Embedded Software Engineer

Hiring Organisation
Avanti Recruitment
Location
Stafford, Staffordshire, United Kingdom
Employment Type
Permanent
Salary
GBP 40,000 - 55,000 Annual
Role This is a hands-on Embedded Software Engineer position offering involvement across the full product lifecycle. You will work on a mix of firmware development, electronics design, and real-world system integration, with your work deployed directly into vehicles. Key responsibilities include: Developing embedded firmware … Implementing and working with CAN bus communication systems Designing schematics and contributing to PCB layouts Debugging and testing at both hardware and software level Supporting deployment and troubleshooting in live environments Contributing to new features and product improvements What We re Looking For Essential Skills Strong experience with embedded ...

Senior Software Engineer

Hiring Organisation
Sanderson Government and Defence
Location
United Kingdom
Employment Type
Permanent
Salary
£95,000
essential as long as you are keen to learn): High performance application design and development in C++ and related languages. Developing and deploying software which typically includes low level development (eg real-time software, drivers, embedded software etc.) and requires an understanding of the underlying hardware systems. … Highly motivated with a strong academic background typically in Engineering, Computer Science, Physics or Mathematics. PhD applicants also encouraged. Ability to produce high-quality software Understanding of low-level computing concepts C++ experience (or similar) Proven problem-solving/fault-finding skills Ability to multi-task and stay organised ...

Senior Java Software Engineer

Hiring Organisation
Information Tech Consultants
Location
England, United Kingdom
SENIOR JAVA- Immediate JOINERS ONLY !! RELOCATION TO BOURNEMOUTH AND GLASGOW Core Java Mastery Concurrency: Understanding threads, thread pools, and asynchronous programming. Collections: Knowing when to use Maps, Lists, and Sets for efficient data handling. Modern Java Features: Knowledge of Streams and Lambdas (Java 8+). Error Handling: Understanding … status codes. Data Formats: Serializing and deserializing JSON payloads (e.g., using Jackson). Security Basics: Understanding authentication and authorization (e.g., JWT, OAuth2). Software Design SOLID Principles: Writing maintainable, modular code. Design Patterns: Familiarity with standard patterns (e.g., Singleton, Factory, Builder). DevOps & Tooling Build Tools: Managing dependencies with ...

Senior Software Engineer (AI, Python, AWS)

Hiring Organisation
Confidential Jobs
Location
United Kingdom
About the Role: We are seeking a highly autonomous Forward Deployed Engineer who bridges the gap between software engineering and direct business impact. Embedded directly within our business units, you will operate with the strategic mindset of a technical founder. Your mandate is to discover undefined business challenges … Polymath" Builder: We highly value diverse, non-traditional career paths (e.g., transitioning from science, academia, or other engineering disciplines into software). You can rapidly learn new industry domains and seamlessly translate between business and engineering. T-Shaped Technical Breadth: You possess expert-level, hands-on depth in Full ...

Senior Software Engineer

Hiring Organisation
Bounce Digital
Location
London Area, United Kingdom
Native | 0→1 Build | Series B We are in the most exciting era for product builders in decades. I’m hiring a Senior Fullstack Product Engineer for an AI-native London startup building collaborative, LLM-powered tools from first principles. Stack: TypeScript, Node, React, Postgres, AWS Comp: Above … market salary + meaningful equity This is senior in scope - not just years. You will: • Own complex user-facing features end-to-end • Build agentic workflows and real-time collaboration systems • Prototype rapidly with LLM integrations • Work directly with users to shape product direction • Help unlock the next 100x ...

Senior Software Engineer

Hiring Organisation
Explore Group
Location
City of London, London, United Kingdom
Staff Product Engineer - £150,000 + Equity Location: Shoreditch, London About the Opportunity A high-growth AI-first law firm is looking to transform the UK conveyancing market, starting with the legal process behind every property transaction. Currently, conveyancing is slow, opaque and unreliable, with one in three transactions … with ambitions to expand into a full-service, AI-powered law firm with global reach. The Role The firm is seeking a Staff Product Engineer to join as an early member of a small, high-calibre engineering team. This is a product-first role: from day one, the engineer ...

Senior Software Engineer

Hiring Organisation
Understanding Recruitment
Location
City of London, London, United Kingdom
Role: Lead Python Engineer (Hands-on Team Lead) 📍 Location: London – Hybrid (3 days office/2 days WFH) 💰 Salary: Up to 130k base 🏦 Industry: Fintech Platform We’re working with a profitable, high-growth UK fintech building a platform used by wealth and advisory firms to manage investment accounts … platform — both in terms of scale and functionality . As a result, they’re growing the engineering team and looking for a Lead Python Engineer to take ownership of a core part of the platform. The Role This is a hands-on technical leadership role (50-70% hands ...

Senior Software Engineer (Constellation Operations)

Hiring Organisation
Spire
Location
Glasgow, Scotland, United Kingdom
reliability metrics for space and ground assets Build monitoring and alerting systems that know what matters and ruthlessly suppress noise Own configuration control and software rollout processes for on-orbit and ground assets Mission Software: Build real-time dashboards and operator tooling that make mission status immediately legible … Collaborate directly with satellite operators and mission teams to turn operational pain into software solutions Design systems for automated mission execution including planning, scheduling, and commanding at scale Basic Qualifications 5+ years of professional software engineering, SRE, or DevOps experience Strong Python skills across backend services, data pipelines ...

Senior Software Engineer

Hiring Organisation
Fabrik Talent
Location
United Kingdom
CUDA/GPU Systems Engineer (ML Infra) Remote We’re partnering with a well-funded AI company building advanced multi-agent systems. They’re looking for engineers with experience working close to the GPU layer. This is a CUDA-heavy role focused on improving the performance of large-scale ...

Senior Software Engineer

Hiring Organisation
GTS Group Ltd
Location
West Midlands, England, United Kingdom
This role is OPEN to UK citizens or ILR (Indefinite Leave to Remain) Senior Full Stack Developer Salary £70k Per annum + Benefits West Midlands Area 🚀 We’re hiring: Full Stack Developer I'm exclusively working with a West Midlands based client who design a physical product. … lead back-end and data architecture development, work closely with customers, and contribute to software supporting fleet operations and system performance. Skills & Experience: Frontend React JavaScript HTML5/CSS3 Backend Node.js REST/Web APIs Database SQL Server Cloud/Infrastructure AWS Development Tools VS Code JSON Degree ...

Senior Software Engineer

Hiring Organisation
ieso US
Location
England, United Kingdom
code quality, and engineering best practices 🤝 Collaborate across disciplines - working closely with product managers, designers, and clinical stakeholders to turn requirements into robust, scalable software 👨 🏫 Mentor junior engineers - through code reviews, pair programming, and knowledge sharing 📈 Champion continuous improvement - raising the bar on quality, testing, and observability across … track record of leading technical work setting direction, making smart trade-offs, and shipping results in fast-moving environments ✅ Hold a deep understanding of software architecture, RESTful APIs, cloud infrastructure, and modern CI/CD practices ✅ Lead with ownership you treat your work like a product, not a task ...

Senior Software Engineer

Hiring Organisation
Sanderson Government and Defence
Location
Gloucestershire, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
role requires close collaboration within an agile software environment, applying strong technical expertise and domain knowledge while communicating effectively with a broad range of internal and external stakeholders. Depending on individual strengths and experience, the role may focus on either modern user interface design and implementation or embedded software ...

Senior Software Engineer

Hiring Organisation
Sanderson Government and Defence
Location
Gloucester, Gloucestershire, UK
role requires close collaboration within an agile software environment, applying strong technical expertise and domain knowledge while communicating effectively with a broad range of internal and external stakeholders. Depending on individual strengths and experience, the role may focus on either modern user interface design and implementation or embedded software ...

IT Software Engineer Senior Manager - INFOex

Location
London, United Kingdom
experience needed for this role can be found in the full description below. What You ll Do As a Full Stack Developer & Power Platform Engineer you will design, build, and enhance applications that support BCG s internal business operations. You ll work hands on across front end, back ...

Senior Software Engineer

Hiring Organisation
Insignis Talent
Location
Fareham, England, United Kingdom
engineers, to integrate autonomy solutions. • Develop and maintain high-quality, well-documented code using C++ and Python. • Conduct rigorous testing and validation of autonomy software in both simulated and real-world environments. • Take ownership of the development and delivery of assigned work packages, reporting on progress and blockers • Balance … experimentation with production-level software deployment and optimisation. PERSON SPECIFICATION Essential qualifications, skills and experience: • Extensive Experience in C++. • Understanding of autonomous systems, including motion planning, state estimation, and behaviour-based control. • Experience working with Linux, including system-level debugging and performance tuning. • Knowledge of real-time systems, distributed ...

Senior Software Engineer, C++

Hiring Organisation
Ripple
Location
London, England, United Kingdom
operation and closing over 90 million ledger, the XRPL offers streamlined development, low transaction costs, high performance, and sustainability. We are looking for senior engineering talent to help us maintain this high technical bar, while building innovative solutions to ensure the XRPL can power the growing needs … global digital economy. WHAT YOU'LL DO Increase the capabilities, performance, scalability, and reliability of the XRP ledger. Participate in the full software development lifecycle, including architecture, technical design, C++ development, bug fixing, as well as functional and performance validations. Be part of the open-source XRP ledger community ...

Senior Software Engineer Frontend

Hiring Organisation
X-On Health
Location
Woodbridge, Suffolk, East Anglia, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
mockups into functional interfaces. Partner with other members of the development team to define and integrate necessary APIs (REST) Technical Leadership Promote and demonstrate software engineering best practices and principles Participate in architectural and design discussions Stay abreast of the latest technologies and industry trends Diagnose and troubleshoot complex … processors like Sass/Less). Experience working with RESTful APIs Knowledge of the product development lifecycle Source control (e.g. GitLab) Strong knowledge of software design patterns and object-oriented design principles Working experience of unit test frameworks and test automation Excellent communication and teamwork skills Desirable Strong expertise ...

Senior Software Engineer (Frontend)

Hiring Organisation
X-on Health
Location
Melton, England, United Kingdom
mockups into functional interfaces. Partner with other members of the development team to define and integrate necessary APIs (REST) Technical Leadership Promote and demonstrate software engineering best practices and principles Participate in architectural and design discussions Stay abreast of the latest technologies and industry trends Diagnose and troubleshoot complex … processors like Sass/Less). Experience working with RESTful APIs Knowledge of the product development lifecycle Source control (e.g. GitLab) Strong knowledge of software design patterns and object-oriented design principles Working experience of unit test frameworks and test automation Excellent communication and teamwork skills Desirable Strong expertise ...

Senior Software Engineer, C++ / Rust

Hiring Organisation
Ripple
Location
London, England, United Kingdom
performance, and scalability. Lead the integration and maintenance of a WebAssembly (WASM) virtual machine within the XRPL’s C++ core. Engage in the full software development lifecycle, from architecture and design to development in modern C++ and Rust, and rigorous testing. Author system design documents and lead technical discussions … steward of the open-source XRP ledger community, including active participation in code reviews. What We're Looking For 5+ years of hands-on software development experience, with significant experience in modern C++ and Rust. Demonstrable experience with WebAssembly (WASM), particularly in integrating a WASM VM or runtime with ...