SeniorSoftwareEngineer Node.js/AWS/React London (Hybrid, 3 days onsite) Are you the kind of SeniorSoftwareEngineer who enjoys taking something fast-and-scrappy and turning it into something scalable, elegant, and genuinely robust? This is a chance for a SeniorSoftwareEngineer to join a small … based in the London City Centre thats building products to make sense of massive data streams. Youll be part of a tight-knit team (around ten people total, five software engineers), working on a genuinely greenfield platform with a modern stack and zero legacy The focus now is on maturing the codebase re-architecting, refactoring, testing, and scaling. As … a SeniorSoftwareEngineer, youll play a key role in helping the team evolve from early-stage speed to long-term stability, with the freedom to influence both product direction and engineering quality What youll be doing: Building and scaling a Node.js application that sits at the core of the product Designing and implementing new features for More ❯
SeniorSoftwareEngineer Node.js/AWS/React London (Hybrid, 3 days onsite) Are you the kind of SeniorSoftwareEngineer who enjoys taking something fast-and-scrappy and turning it into something scalable, elegant, and genuinely robust? This is a chance for a SeniorSoftwareEngineer to join a small More ❯
City of London, London, United Kingdom Hybrid/Remote Options
Fruition Group
SeniorSoftwareEngineer - Backend Location: Remote first (Occasional Travel to London) Salary: £75,000 - £95,000 + equity + benefits An established, global technology business within the hospitality-tech industry is seeking a talented Backend SoftwareEngineer to help build and scale cutting-edge digital solutions. This is a chance to work on greenfield projects … the ground up. What will I be doing? Design, develop, test, and maintain high-performance backend systems supporting real-time hospitality operations. Take ownership of key features throughout the software development lifecycle - from technical design through to deployment and ongoing optimisation. Collaborate with cross-functional teams including product, design, and data science to deliver innovative, customer-focused solutions. Work … reviews, mentoring, and knowledge sharing to maintain engineering excellence. What do I need to be successful: Degree in Computer Science or equivalent industry experience. 3+ years' experience in backend software development within a fast-paced, agile environment. Strong proficiency in Python (or similar modern backend language) and experience building RESTful APIs or microservices. Solid understanding of data structures, algorithms More ❯
Senior C++ SoftwareEngineer New C++ contract role working on a greenfield project for a client within the financial domain. Healthy rate for this one and 2 days a week in the office. What you will be doing: As a Senior C++ SoftwareEngineer, you will be involved in: Analysis of user requirements and … into manageable chunks Implementation of new features and feature enhancements Leading code reviews and enforcing best practice within a small, agile, focused team What you will need: Extensive commercial software development experience using C++ Unix/Linux experience Relevant degree in a numeric discipline, or equivalent work experience Excellent written and spoken English By applying to this job you More ❯
City of London, London, United Kingdom Hybrid/Remote Options
Rebel Recruitment
R ole: SeniorSoftwareEngineer - Full-Stack Location: London Working Model: Hybrid 3 Days Salary: Up to £128,000 Ready to build tech that actually means something? This team is powering the next generation of electrification EVs, solar, batteries, heat pumps, smart devices all connected through a platform thats scaling fast and rewriting the rulebook in green … energy tech. Theyre growing. Theyre hiring. And they want a SeniorEngineer who can own problems end-to-end, think like a product person, and ship like someone who knows their craft inside out. If you want a job where you just pick up tickets, this isnt it. Im looking for fully fledged Product Engineer. Therefore, if you … GCP but if you have AWS and Azure, its equally valuable), event-driven architecture, and everything that makes a modern product fast, reliable, and scalable. And youll help build software thats literally shaping how homes and energy systems work in years to come. What Theyre Looking For Strong experience in TypeScript, Node.js, React. Someone whos built and maintained systems More ❯
Senior C++ Software Developer, Python - Financial/Banking Candidates will have 5+ years C++ experience (ideally more) and excellent knowledge of Python - ideally coming from a Financial/Banking background with knowledge of Equities, Futures & Options and Fixed Income and Exchange Connectivity with some Low Latency experience. Job Overview You will work with the Product, Infrastructure and QA … teams, to produce high performance, low latency and highly reliable code. Your goal will be to develop software which handle large amount of TPS to drive a highly efficient technology used by several markets around the world. To be successful in this role as a SeniorSoftwareEngineer C++, you will be a proponent of agile … methodology and modern software best practices. You can produce detailed technical work in OOP and work with other members of the Development team to produce code of high-quality standards. Ideally, you should have worked in critical systems development in the past. Responsibilities and Duties • Codes, tests, integrates, and documents software. • Provides technical leadership to more junior employees and More ❯
Central London, London, United Kingdom Hybrid/Remote Options
Spyrosoft Ltd
Location London Hybrid 1-2 days a week in the office eligibility to work in the UK Role Overview We are seeking a skilled Senior Developer to join a newly formed engineering team focused on removing legacy components and addressing technical debt within our Media Services products. This role will involve working closely with stakeholders to understand system requirements … component migrations. A proactive and detail-oriented approach will be vital to ensure smooth transitions from legacy systems to scalable, reliable, and future-proof solutions. In addition, experience with software testing practices, Agile methodologies (Scrum or Kanban), and defensive programming techniques will be highly desirable. We are looking for someone who thrives in collaborative, fast-paced teams, who can … Go programming experience Agile/Scrum experience Load Balancer experience Defensive programming techniques Tools and Technology Java Jira AWS TDD CI/CD Experience A degree in Computer Science, Software Engineering, or a related field or similar work based experience. Proven experience as a SeniorSoftwareEngineer ideally with a focus on media-related projects. Very More ❯
Senior C++ SoftwareEngineer Salary: £75,000 - £135,000 Key Responsibilities Design, develop, and optimize software in C++ and/or Rust for control and orchestration systems. Build low-latency interfaces between hardware and classical compute systems. Collaborate with hardware teams to integrate software with FPGAs and high-speed digital electronics. Develop and maintain firmware … platforms. Analyze and optimize system performance including latency, throughput, and resource utilization. Participate in system architecture design and technical decision-making. Conduct code reviews , mentor junior engineers, and promote software best practices. Work with cross-functional teams to ensure seamless integration of hardware and software components for robust, production-ready systems. Ensure system reliability , fault tolerance , and performance … in data centre environments. Required Qualifications Bachelor's or Master's degree in Computer Engineering , Electrical Engineering , Physics , or a related field. 5+ years of professional experience in software development, with a focus on C++ and/or Rust . Strong understanding of FPGA architectures , toolchains (e.g., Xilinx Vivado, Intel Quartus), and hardware description languages ( VHDL/Verilog ). More ❯
City, London, United Kingdom Hybrid/Remote Options
Rebel Recruitment
R ole: SeniorSoftwareEngineer - Full-Stack Location: London Working Model: Hybrid 3 Days Salary: Up to £128,000 Ready to build tech that actually means something? This team is powering the next generation of electrification EVs, solar, batteries, heat pumps, smart devices all connected through a platform thats scaling fast and rewriting the rulebook in green More ❯
Senior C++ SoftwareEngineer Salary: £75,000 - £135,000 Key Responsibilities Design, develop, and optimize software in C++ and/or Rust for control and orchestration systems. Build low-latency interfaces between hardware and classical compute systems click apply for full job details More ❯