1 to 25 of 42 Senior Full-Stack Software Engineer Jobs in London

recruiter directly. About the Role: Grade Level (for internal use): 10 The Team: S&P Global Ratings is looking for a Sr. Full Stack Engineer to join Structured Finance Value Stream. This team, who has a broad and expert knowledge on Ratings organization's data domains, technology stacks and architectural patterns, fosters knowledge sharing … of a unique opportunity to build and evolve S&P Ratings next gen analytics platform. Responsibilities and Impact: We are looking for a self-motivated, enthusiastic, and passionate software engineer to develop technology solutions for S&P global Ratings product. The ideal candidate thrives in a highly technical role and will design and develop software … design & development using Angular, React, HTML5, XML & CSS Develop design and architecture exposure and ability to ensure quality across various technology components that are developed by geographically diversified software engineer. Experience writing SQL queries and understanding of data models. Experience in designing and implementing REST APIs & micro services-based solutions. Should have experience writing unit/integration tests. More ❯

different countries, speaking multiple languages, with a physical footprint in Africa, Europe, and Latin America. The role: We are seeking a skilled Senior Full Stack Software Engineer who is proficient in both frontend and backend development. The ideal candidate will be responsible for designing, developing, and maintaining our platform and … functionality of our applications and a strong understanding that our customers are the ultimate beneficiary of well built, scalable and working software. Key Responsibilities: Design, develop, and maintain software systems using modern frameworks and technologies. Collaborate with cross-functional teams to define, design, and ship new features. Write clean, maintainable, and efficient code. Implement responsive design principles to … and understand design documentation using C4, sequence diagrams and workflows. Excellent problem-solving skills and attention to detail. Solid understanding of logging, monitoring and observability to understand if software is functioning as required. Strong communication and teamwork skills. Preferred Skills: Experience with cloud platforms e.g., AWS, Azure, Google Cloud. Knowledge of DevOps practices and CI/CD pipelines. More ❯

for more information on flexible working options Flexible Working Options Flexibility in when hours are worked, Hybrid Working, Reduced Hours Job Description Summary . Job Description JOB TITLE : Senior Software Engineer (Fullstack) SALARY: Regional: £70,929 - £86,691 GBP London: £81,999-£100,221 GBP LOCATION(S): HOURS: Full-time – 35 hours … design and develop both frontend and backend components of modern applications. You’ll work with cloud-native technologies, microservices, and CI/CD pipelines to deliver high-quality software that makes a real difference. WHAT YOU’LL BE DOING As a Senior Software Engineer, you’ll: Design, develop, test, and deploy modular … re committed to creating an environment in which everyone can thrive, learn and develop. We were one of the first major organisations to set goals on diversity in senior roles, create a menopause health package, and a dedicated Working with Cancer Initiative. We offer reasonable workplace adjustments for colleagues with disabilities, including flexibility in office attendance, location and More ❯

Senior Full Stack Software Engineer - FX Pricing (React, Typescript, Java, API) - London (VP) Overview Citi is a world-leading global bank. We have approximately 200 million customer accounts and a presence in more than 160 countries and jurisdictions worldwide. We provide consumers, corporations, governments, and institutions with a broad range … financial objectives by providing them with cutting-edge ideas, best-in-class products and solutions, and unparalleled access to capital and liquidity. The role We are seeking a Senior Applications Developer to join a successful team delivering pricing projects for the Foreign Exchange (FX) Business. The role involves all aspects of the software development life cycle … analysis, design and implementation. We need a flexible and practical technologist who demonstrates excellent problem solving skills enjoys all aspects of software development and will contribute to the success of the team. Your deep knowledge of design, analytics, development, coding, testing and application programming will help your team raise their game, meeting your standards, as well as satisfying More ❯

/Next.js Programming: TypeScript; JavaScript, Python Infrastructure: Terraform, GitHub CI/CD pipelines Responsibilities Provide technical leadership and mentorship to your team. As a Senior Full-stack Software Engineer, you will be responsible for guiding and developing the skills of junior engineers. Lead technical decisions and design for your team. … technical roadmap aligns with the product vision. Actively participate in product planning meetings and provide technical input to guide the team's priorities. Design, develop, and maintain full-stack applications using Node.js, AWS Lambda, React with Next.js, TypeScript, and Terraform. Write clean, efficient, and well-tested code that adheres to best practices and coding standards. Ensure … technical documentation and standards. ABOUT YOU Qualifications Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field, or equivalent experience. Proven experience as a Senior Full Stack Developer or similar role with a strong portfolio of projects. Expertise in Node.js and AWS Lambda for serverless backend services. Proficiency in React More ❯

Role: We are seeking a highly experienced and versatile Senior Software Engineer with deep expertise across quantitative development, infrastructure engineering, and full-stack development, to join and lead a high-performance team. The ideal candidate thrives at the intersection of finance and technology, has led engineering teams, and has built … with quant researchers, traders, and infrastructure teams to deliver performant solutions. Maintain and optimize trading infrastructure (low-latency systems, data pipelines, monitoring, etc.). Manage a team of software engineers, mentor junior developers, and drive best practices across the stack. Ensure high code quality through code reviews, CI/CD, test automation, and Git-based workflows. Own deployment … tools and external integrations. Work with data at scale (market data ingestion, real-time analytics, historical storage). Required Skills & Experience: Core Engineering: 5+ years of experience in software development, with exposure to both backend and frontend stacks. Strong programming proficiency in Python, C++, and Java (Quant/Trading grade codebases). Expertise in modern web development with More ❯

Role: We are seeking a highly experienced and versatile Senior Software Engineer with deep expertise across quantitative development, infrastructure engineering, and full-stack development, to join and lead a high-performance team. The ideal candidate thrives at the intersection of finance and technology, has led engineering teams, and has built … with quant researchers, traders, and infrastructure teams to deliver performant solutions. Maintain and optimize trading infrastructure (low-latency systems, data pipelines, monitoring, etc.). Manage a team of software engineers, mentor junior developers, and drive best practices across the stack. Ensure high code quality through code reviews, CI/CD, test automation, and Git-based workflows. Own deployment … tools and external integrations. Work with data at scale (market data ingestion, real-time analytics, historical storage). Required Skills & Experience: Core Engineering: 5+ years of experience in software development, with exposure to both backend and frontend stacks. Strong programming proficiency in Python, C++, and Java (Quant/Trading grade codebases). Expertise in modern web development with More ❯

using its central role in the Fintech ecosystem to identify and back revolutionary new businesses. The role Our Tech Team at Fasanara is looking to bring onboard a senior Full-Stack Engineer who will be essential in expanding the capabilities across our investment tools, working on several Greenfield projects. You'll have … the opportunity to partner across multiple business areas building scalable innovative solutions. This role would suit an ambitious, seasoned engineer who wants to be part of an expanding engineering team having a big impact. Responsibilities Design and develop scalable, high-performance internal platforms and applications for core business functions including Credit Trading, FX Hedging … Portfolio Monitoring, and Treasury. Collaborate cross-functionally with investment, operations, and data teams to translate complex business workflows into efficient, maintainable software solutions. Drive the full software development lifecycle - from technical design and implementation to testing, deployment, and production monitoring. Contribute across the stack, including backend services, frontend interfaces, and data engineering More ❯

Job Description Senior Software Engineer/Developer (Full Stack JavaScript) London to £100k Opportunity to progress your career in a senior, hands-on Software Engineer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job … years, with recent funding of £125 million. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Senior Software Engineer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues to help … development practices, tools and technologies You enjoy learning and picking up new things You're flexible and able to adapt to changing priorities You have full software development lifecycle experience including CI/CD and testing You're collaborative with Agile team experience, happy to mentor more junior developers You're likely to be degree educated More ❯

Senior Software Engineer/Developer (Full Stack JavaScript) London to £100k Opportunity to progress your career in a senior, hands-on Software Engineer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and … years, with recent funding of £125 million. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Senior Software Engineer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues to help … development practices, tools and technologies You enjoy learning and picking up new things You're flexible and able to adapt to changing priorities You have full software development lifecycle experience including CI/CD and testing You're collaborative with Agile team experience, happy to mentor more junior developers You're likely to be degree educated More ❯

Senior Software Engineer/Developer (Full Stack JavaScript) London to £100k Opportunity to progress your career in a senior, hands-on Software Engineer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and … years, with recent funding of £125 million. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Senior Software Engineer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues to help … development practices, tools and technologies You enjoy learning and picking up new things You're flexible and able to adapt to changing priorities You have full software development lifecycle experience including CI/CD and testing You're collaborative with Agile team experience, happy to mentor more junior developers You're likely to be degree educated More ❯

Senior Software Engineer (Back-end/Full-stack) Join to apply for the Senior Software Engineer (Back-end/Full-stack) role at Goodstack Senior Software Engineer (Back-end/Full-stack) 1 month ago Be among the first 25 applicants Join to apply for the Senior Software Engineer (Back-end/Full-stack) role at Goodstack This hybrid role requires working from our London office in Fitzrovia once a week. If you've been looking to join a fast-growing … us on our journey - we need you ???? Join our Startup and make a difference as Senior Software Engineer (Back-end/Full-stack)! In this role, you will be part of our Giving Team. This team implements the APIs and user experience to expand the donations & volunteering platform for our More ❯

Social network you want to login/join with: Senior Full-stack Software Engineer (Go & React), London col-narrow-left Client: Opinov8 Location: London, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Reference: 478c2d3aa8de Job Views: 6 Posted: 29.06.2025 Expiry Date: 13.08.2025 col-wide … driven. We are driven by delivering value , for our clients, through technological innovation .We are a young energetic and dynamically agile company and the team behind Opinov8 are software industry veterans. We are ambitious on our own and on our client’s behalf and we do not look at a client engagement as a project, we are in … our own way.Ultimately Responsible - being responsible is a core personality trait that is needed for us and our clients’ success and ultimately a happy work environment. WE BUILD Software Tools and/or going through K8s journey. Our ideal candidate: - Practitioners with strong K8s background (ideally 3+ yrs in K8's, 7+ in SW dev overall );- Experienced with More ❯

individuals to join us on this journey - we need you! Join our Startup as a Senior Software Engineer (Back-end/Full-stack)! You will be part of our Giving Team, developing APIs and user experiences to expand our donations & volunteering platform for partners. You will work within an autonomous … cross-functional team and report directly to the Engineering Manager. Your mission as a Senior Software Engineer will include: Implementing and enhancing backend (and frontend if Full Stack) components to improve our platform, ensuring an excellent user experience. Contributing to establishing best practices and technological standards. Writing code daily and More ❯

Urgent! x8 Fullstack Senior Software Engineers/Tech leads Needed – UK-based – – Rapid Growth – Fully Remote 🌳 Areti Group is excited to partner with a Series funded startup poised for rapid expansion, growing by 40 heads in the next 3 months! We are urgently seeking x8 Fullstack Tech leads to join their high-performing team. This fully … Amazon Web Services (AWS) Databases : 🌳 PostgreSQL, DynamoDB Additional Tools & Frameworks : 🌳 GraphQL 🌳 REST APIs 🌳 Software Design Patterns – TDD, DDD 🌳 Agile methodologies: Scrum and Kanban Key Responsibilities : Full-Stack Development : Design, develop, and maintain complex full-stack applications across both front-end and back-end. Cloud & Database Management : Build scalable, cloud-based … solutions using AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD (Test Driven Development) and DDD (Domain Driven Design) best practices to ensure maintainable, efficient code. DevOps & CI/CD : Use DevOps processes, including virtualization , containerization , and CI/CD pipelines to streamline More ❯

Urgent! x8 Fullstack Senior Software Engineers/Tech leads Needed – UK-based – – Rapid Growth – Fully Remote 🌳 Areti Group is excited to partner with a Series funded startup poised for rapid expansion, growing by 40 heads in the next 3 months! We are urgently seeking x8 Fullstack Tech leads to join their high-performing team. This fully … Amazon Web Services (AWS) Databases : 🌳 PostgreSQL, DynamoDB Additional Tools & Frameworks : 🌳 GraphQL 🌳 REST APIs 🌳 Software Design Patterns – TDD, DDD 🌳 Agile methodologies: Scrum and Kanban Key Responsibilities : Full-Stack Development : Design, develop, and maintain complex full-stack applications across both front-end and back-end. Cloud & Database Management : Build scalable, cloud-based … solutions using AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD (Test Driven Development) and DDD (Domain Driven Design) best practices to ensure maintainable, efficient code. DevOps & CI/CD : Use DevOps processes, including virtualization , containerization , and CI/CD pipelines to streamline More ❯

Urgent! x8 Fullstack Senior Software Engineers/Tech leads Needed – UK-based – – Rapid Growth – Fully Remote 🌳 Areti Group is excited to partner with a Series funded startup poised for rapid expansion, growing by 40 heads in the next 3 months! We are urgently seeking x8 Fullstack Tech leads to join their high-performing team. This fully … Amazon Web Services (AWS) Databases : 🌳 PostgreSQL, DynamoDB Additional Tools & Frameworks : 🌳 GraphQL 🌳 REST APIs 🌳 Software Design Patterns – TDD, DDD 🌳 Agile methodologies: Scrum and Kanban Key Responsibilities : Full-Stack Development : Design, develop, and maintain complex full-stack applications across both front-end and back-end. Cloud & Database Management : Build scalable, cloud-based … solutions using AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD (Test Driven Development) and DDD (Domain Driven Design) best practices to ensure maintainable, efficient code. DevOps & CI/CD : Use DevOps processes, including virtualization , containerization , and CI/CD pipelines to streamline More ❯

Social network you want to login/join with: ? Urgent! x8 Fullstack Senior Software Engineers/Tech leads Needed – UK-based – – Rapid Growth – Fully Remote ?, south west london col-narrow-left Client: Location: south west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 07.06.2025 Expiry Date … 22.07.2025 col-wide Job Description: ? Urgent! x8 Fullstack Senior Software Engineers/Tech leads Needed – UK-based – – Rapid Growth – Fully Remote ? Areti Group is excited to partner with a Series funded startup poised for rapid expansion, growing by 40 heads in the next 3 months! We are urgently seeking x8 Fullstack Tech leads to join their … React Cloud : ? Amazon Web Services (AWS) Databases : Additional Tools & Frameworks : ? GraphQL ? REST APIs ? Software Design Patterns – TDD, DDD ? Agile methodologies: Scrum and Kanban Key Responsibilities : Full-Stack Development : Design, develop, and maintain complex full-stack applications across both front-end and back-end. Cloud & Database Management : Build scalable, cloud-based More ❯

Social network you want to login/join with: Senior Software Engineers - Full-stack, London col-narrow-left Client: Simple Machines Location: London, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Reference: 87a2df6cd216 Job Views: 3 Posted: 25.06.2025 Expiry Date: 09.08.2025 col-wide Job Description: Simple … presence, including teams in London, Sydney, San Francisco, and New Zealand. We specialise in creating technology solutions at the intersection of data, AI, machine learning, data engineering, and software engineering. Our mission is to help enterprises, technology companies, and governments better connect with and understand their organisations, their people, their customers, and citizens. We are a team of … creative engineers and technologists dedicated to unleashing the potential of data in new and impactful ways. We design and build bespoke data platforms and unique software products, create and deploy intelligent systems, and bring engineering expertise to life by transforming data into actionable insights and tangible outcomes. We engineer data to life. As a Senior More ❯

Senior Full Stack Software Engineer - FX Pricing (React, Typescript, Java, API) – London (VP) Join to apply for the Senior Full Stack Software Engineer - FX Pricing (React, Typescript, Java, API) – London (VP) role at Citi Continue with Google Continue with Google … Senior Full Stack Software Engineer - FX Pricing (React, Typescript, Java, API) – London (VP) 1 week ago Be among the first 25 applicants Join to apply for the Senior Full Stack Software Engineer - FX Pricing (React, Typescript, Java, API) – London (VP … Engineering and Information Technology Industries Banking, Financial Services, and Investment Banking Referrals increase your chances of interviewing at Citi by 2x Get notified about new Full Stack Engineer jobs in London, England, United Kingdom . London, England, United Kingdom 7 hours ago London, England, United Kingdom 2 weeks ago London, England, United Kingdom More ❯

Senior Full Stack Software Engineer - FX Pricing (React, Typescript, Java, API) - London (VP) Senior Full Stack Software Engineer - FX Pricing (React, Typescript, Java, API) - London (VP) The Applications Development Senior Manager is a senior management level … financial objectives by providing them with cutting-edge ideas, best-in-class products and solutions, and unparalleled access to capital and liquidity. The role We are seeking a Senior Applications Developer to join a successful team delivering pricing projects for the Foreign Exchange (FX) Business. The role involves all aspects of the software development life cycle … analysis, design and implementation. We need a flexible and practical technologist who demonstrates excellent problem solving skills enjoys all aspects of software development and will contribute to the success of the team. Your deep knowledge of design, analytics, development, coding, testing and application programming will help your team raise their game, meeting your standards, as well as satisfying More ❯

our data consultants and researchers to ensure the product meets the needs of our target users. About the Role We are looking for a Senior Full-Stack Software Engineer to join our product team. The successful candidate will be critical to designing and implementing complex features within our data management … Backend Development: Strong Node.js experience Experience with tRPC for type-safe API development Database expertise with PostgreSQL and SQL query builders (Kysely) Knowledge of authentication systems (NextAuth) Full-Stack Capabilities: Type-safe development across the entire stack API design and implementation Performance optimisation techniques State management using React Query Testing & Quality: Comprehensive testing strategies … the best outcome, regardless of who the idea came from Self-direction with the ability to take ownership of technical initiatives Collaborative approach with experience collaborating constructively with senior developers & mentoring more junior developers Adaptability in a fast-paced environment with evolving requirements Nice-to-Have Experience: AI Integration: Experience with OpenAI SDK or similar AI integrations Building More ❯

grow our team, representing one of the five largest Series A rounds in Europe for 2024. The Role We're hiring a Senior Full Stack Engineer to help to build our platform, sites, and suite of AI products. Reporting to engineering leadership, you'll be a highly experienced member of the product … AI to directly improve people's lives. We take a blue-sky but pragmatic approach to how we apply new technologies. Our Tech Stack TypeScript (Full-stack) React + Next.js, Tailwind, Prisma, tRPC PostgreSQL, MongoDB, Redis Serverless, AWS, Google Cloud, Github Actions DBT, BigQuery Terraform Python Requirements You're opinionated and want to help … ambitious, capable of learning and adapting quickly You have deep understanding of our tech stack having built modern apps using best practices You've been a senior contributor in a high output engineering team and have experience moving fast (Kanban, CI/CD, DevOps, Serverless) You have worked in product teams alongside product managers and designers More ❯

Social network you want to login/join with: Senior Full Stack Software Engineer, london col-narrow-left Client: VST Location: london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 2 Posted: 28.06.2025 Expiry Date: 12.08.2025 col-wide Job Description: Join a mission … backed startup with solid foundations and a lot of ambition — and we’re growing our team. We’re now looking for a Senior Full Stack Engineer with strong TypeScript experience to join our collaborative, curious, and kind team. You’ll work across the full stack to build products … backed startup with solid foundations and a lot of ambition — and we’re growing our team. We’re now looking for a Senior Full Stack Engineer with strong TypeScript experience to join our collaborative, curious, and kind team. You’ll work across the full stack to build products More ❯

About us Hi, we're Humaans! We help globally scaling organisations transform their HR processes with a human-centric approach. At Humaans, we want to empower People teams to create a customisable HR stack by offering flexibility and More ❯