276 to 300 of 314 Senior Software Engineer Jobs

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
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 Software Engineer - Fullstack

Hiring Organisation
Areti Group | B Corp™
Location
Scotland, United Kingdom
Senior Full Stack Developer Location: Edinburgh (Remote-first, with occasional office visits) Salary: £50,000 – £60,000 per year + competitive benefits About the Role We’re looking for a Senior Full Stack Developer to join our engineering team and help build an advanced resource planning platform. … team. Participate in the full feature lifecycle—from ideation to deployment and ongoing improvements. Work in an agile environment on a large-scale software product. About You Strong experience in full stack development, with expertise in C#/.NET (Framework and Core) and JavaScript (Vue.js experience is a plus ...

Senior Software Engineer - Frontend

Hiring Organisation
Areti Group | B Corp™
Location
Scotland, United Kingdom
Senior Front-End Developer Location: Edinburgh (Remote-first, with occasional office visits) Salary: £50,000 – £60,000 per year + competitive benefits About the Role We’re looking for a Senior Front-End Developer to join our engineering team and help build an advanced resource planning tool. … team. Participate in the full feature lifecycle—from ideation to deployment and ongoing improvements. Work in an agile environment on a large-scale software product. About You Strong experience in front-end development with JavaScript (Vue.js experience is a plus). Comfortable working across the stack when needed, with ...

Senior Software Engineer - Backend

Hiring Organisation
Areti Group | B Corp™
Location
Scotland, United Kingdom
Senior Back-End Developer Location: Edinburgh (Remote-first, with occasional office visits) Salary: £50,000 – £60,000 per year + competitive benefits About the Role We’re seeking a Senior Back-End Developer to help build and scale a cutting-edge resource planning platform. You’ll focus … technical approaches. Participate in the full feature lifecycle—from concept to deployment and ongoing enhancements. Work in an agile environment on a large-scale software product. About You Strong experience in back-end development with C# and .NET (Framework and Core). Comfortable working across the stack when needed ...

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 ...

Flight Simulation Software Engineers (Associate, Experienced, and Senior)

Hiring Organisation
Boeing
Location
Saint Louis, Missouri, United States
Employment Type
Permanent
Salary
USD Annual
welcoming, respectful and inclusive, with great opportunity for professional growth. Find your future with us. The Boeing Company is currently seeking Flight Simulation Software Engineers (Associate, Experienced, and Senior) to join the Flight Simulation Labs team located in Berkeley, MO . This position will focus on supporting … Boeing Defense, Space & Security (BDS) business organization. The roles will involve software development for tools that support simulation infrastructure across Flight Simulation Labs. Selected candidates will be aligned to a statement of work that best suits their interests and skillset, some of which could include: Creating core simulation infrastructure ...

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
Sanderson Government and Defence
Location
Gloucestershire, South West, United Kingdom
Employment Type
Permanent
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 … also include responsibility for managing and supporting team members, reporting on performance, and assisting with resourcing and development. Responsibilities: Producing detailed designs for product software components Implementing and testing software as part of an agile development team Developing a strong understanding of existing electronic warfare, sensor, and communications ...

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 ...

Sr Software Engineer

Hiring Organisation
Manteio Capital LLC
Location
Jersey City, New Jersey, United States
Employment Type
Any
Salary
USD Annual
Manteio Capital LLC seeks Sr Software Engineer (Jersey City, NJ) to supervise operational process on risk & tech including start of day & end of day activities. Dev PnL & risk report centrally for the firm. Master of Sci deg in Financial Eng, Comp … Software Eng or rel. Exp must include utilizing C++, Python, Java, TypeScript, SQL, Solidity, Pandas, NumPy, Linux, Git, Perforce, Rest, Json, & Angular. 40 hrs/week, $150,550/yr. Mail res to: Manteio Capital LLC, Attn: Jordan Dermon, 111 Townsquare Pl, Ste. 1203, Jersey City ...

Senior Software Engineer - Hybrid

Hiring Organisation
Paxton Access
Location
Brighton, East Sussex, South East, United Kingdom
Employment Type
Permanent, Work From Home
Work for in the UK, by Best Companies. About the role Join our Development team in Brighton where you'll lead and support the software team in designing, implementing, and maintaining high-quality software solutions for Paxtons product portfolio, ensuring technical integrity across user interfaces, back … requirements, specifications, and designs to assure product quality. Enhance tools and workflows, recommending improvements. Push technology boundaries to deliver innovative solutions. Investigate and resolve software defects promptly. Coordinate and deploy new builds for release candidates. Ensure effective development testing, including Unit, Integration, Performance, Stress, and Automation Testing. Contribute ...

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 ...

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 ...