1 to 25 of 35 Remote Senior Software Engineer Jobs in London

Senior Software Engineer Tech : AWS, NodeJS, TypeScript, JavaScript, ReactJS Why? scaling FinTech, revolutionising the industry Location : Hybrid - 1-2 days in the office (Central London) Our Client A new UK-based financial services provider is launching credit card, personal loans and insurance offerings aimed at delivering fair, flexible, and user-friendly financial products to consumers. The organisation … is committed to empowering individuals by enhancing their understanding and control of personal finance through clarity, intelligence, and technology. Senior Software Engineer - Responsibilities Design, develop, and maintain advanced applications. Collaborate with cross-functional teams to define, design, and ship new features. Optimize components for maximum performance across a vast array of web- capable devices and browsers. Maintain … the highest quality. Troubleshoot and debug to optimize performance. Provide code reviews, feedback, and mentorship to junior developers. Stay up-to-date with new technology trends, applications, and protocols Senior Software Engineer - Experience Required Proven experience as a Full Stack Engineer or similar role with a strong portfolio of projects. Expertise in Node.js and AWS Lambda More ❯

Senior Software Engineer/Developer (Data) London/WFH to £115k Global-leading FinTech is seeking a Senior Software Engineer to take ownership of a new team responsible for data focussed strategic enhancements on their core platform. The organisation is a pioneer in the field of cross-asset securities and derivatives post-trade processing … technology and have created ground-breaking, adaptable software that produces secure and scalable solutions for peak operational efficiency and optimum business performance for their clients. This is a great opportunity to accelerate your career alongside established business and technology leaders and deepen your finance experience. As a Senior Software Engineer, you'll work on strategic initiatives … You'll join colleagues in the London office three days a week with flexibility to work from home the other two days. About you: You're a data centric, Senior Software Engineer with a strong knowledge of modern software engineering best practices You have strong development experience with C#, C++ or Python You have advanced SQL More ❯

Senior Software Engineer Location: London (Hybrid 2 Days a week) Salary: £70,000 - £90,000 TypeScript - Node - React - GraphQL - AWS - CI/CD - The Opportunity We're working with a fast-growing technology business that is looking to add a Senior Software Engineer to their high-performing, cross-functional engineering team. This is a … seeking someone who thrives on solving complex challenges, loves collaborating in a modern engineering environment, and has a passion for writing clean, well-tested code. The Role As a Senior Software Engineer, you will: Build & Deliver - Design, develop, and maintain full-stack solutions using TypeScript, AWS, GraphQL, and more. Take Ownership - Work across frontend, backend, and infrastructure … Help integrate AI and automation into the product suite to tackle problems in smarter ways. Collaborate - Contribute to code reviews, pair programming, and technical discussions within a talented team. Engineer with Quality - Apply TDD practices, ensuring robust automated testing and CI/CD pipelines. Keep Systems Running Smoothly - Ensure applications are secure, scalable, observable, and performant in production (tools More ❯

Senior Software Engineer I page is loaded Senior Software Engineer I Apply locations London time type Full time posted on Posted Yesterday job requisition id R7649 Company Description We're - you might not know our name, but companies like eBay, ASOS, Klarna, Uber Eats, and Sony do. That moment when you check out online … and our partners. And we need your help. Join us to build the digital economy of tomorrow. Job Description Global payments are complex and ever-evolving. At Checkout our software engineers develop the next-generation payments technologies that enable our Merchants to boost their acceptance rates, cut processing costs, fight fraud, and create cutting edge technology that enables extraordinary … customer experiences. We're looking for Senior Software engineers who bring fresh ideas, have a curious nature and are passionate about working in an Engineering environment which focuses on building products to achieve the company's strategic goals. You'll get to work with teams from across 's portfolio of products and services who all have a real More ❯

Taboola, Connexity, and Shopyourlikes) are constantly iterating on products, solving problems for retailers, content creators & influencers, and publishers, building interest in new solutions. We are actively seeking an experienced Senior Software Engineer for our Skimlinks brand, to help us advance our technology stack and product development endeavours. The Senior Software Engineer is based in … London, reports to the Sr. Principal Software Engineer Team Lead, and is a part of the Skimlink's UK Engineering team. This position is a senior-level role responsible for providing technical leadership, guiding and implementing the architecture and design of complex software systems, and driving innovation by combining strong technical expertise with effective communication and … leadership skills to drive success in software development projects. The position will play a pivotal role in designing, building, and implementing systems across all facets of our intricate platform. From managing high-volume data collection and enrichment to automated analysis, and backend services alongside RESTful APIs, your contributions will be fundamental to our success. Additionally, the Senior Software More ❯

Senior Software Engineer (TypeScript Full Stack) London/WFH to £100k Do you enjoy problem solving and working with a range of technologies including functional programming languages such as Elixir, using the right tool for the job? You could be progressing your career in a senior, hands-on Software Engineer role at a successful … office per week) Vitality Healthcare Continuous career development and learning opportunities Influential role as part of a small, close knit team Complex and interesting work Your role: As a Senior Software Engineer you will take ownership, working on technically challenging Greenfield development projects. You'll be working on complex problems with scalability and reliability in mind, across … educated in Computer Science or similar STEM discipline, having achieved a 2.1 or above from a Russel Group/Oxbridge or top 100 global university You are an experienced software engineer with a strong knowledge of best practices and Computer Science fundamentals and experience of delivering complex, data centric software You have advanced analytical and problem solving More ❯

Senior C++ Software Engineer/Developer (Linux SQL C++17) London/WFH to £110k Global-leading FinTech is seeking a Senior C++ Software Engineer to take ownership of strategic enhancements on their core platform, as well as directly on bespoke client projects. The organisation is a pioneer in the field of cross-asset securities … and derivatives post-trade processing technology, and have created ground-breaking, adaptable software that produces secure and scalable solutions for peak operational efficiency and optimum business performance for their clients. This is an exciting opportunity to accelerate your career alongside established business and technology leaders, and gain/deepen your finance experience. As a C++ Software Engineer … motivated by working on cutting-edge systems and engineering complex solutions You're a positive, proactive team member who excels when working collaboratively You have a strong knowledge of software engineering best practices You're degree educated, having achieved a 2.1 or above in a STEM discipline Ideally you will have experience working in a financial services or trading More ❯

Senior Software Engineer/Staff Engineer Job Title: Senior Software Engineer/Staff Engineer Role Summary: We are seeking a highly autonomous and self-sufficient Senior/Staff Engineer to act as a key technical partner to our Product Manager and Senior Leadership Team. Your primary responsibility will be … prioritize key initiatives and enhance each other's thinking. Move fluidly between different problem domains based on the highest impact opportunities for the business. Who you are: A seasoned engineer with a proven track record of tackling complex, high-impact technical challenges. An excellent communicator who can work effectively with both technical and non-technical stakeholders. Self-sufficient and More ❯

Senior Software Engineer We're looking for an experienced Senior Software Engineer to join our growing IT team in the insurance sector. You'll take the lead in developing scalable, high-quality web and mobile applications using Microsoft technologies (.NET, C#, Blazor), working closely with international and cross-functional teams. As the lead on … Microsoft technologies, you'll help shape the direction of our software solutions while contributing to critical projects across the business. We are looking for someone with strong and confident stakeholder engagement along with technically strong experience. What You'll Do Design, build, and maintain internal and external web/mobile applications (.NET, C#, Blazor). Lead the technical development More ❯

Title : Senior Software Engineer (Driver/API) Company : HPC R&D Location : London (mostly remote) Pay : Up to £160,000 + bonus and benefits Company : An advanced HPC R&D firm, looking to expand their GPU Driver team. Most of the team are ex-Big-Tech, ex-FAANG or ex-Chip firms. They joined because they get … is significantly smaller, with highly technical leadership. If you want to work alongside some of the brightest, most enthusiastic people in the industry, this may be worth exploring. Role : Senior Software Engineer position. You will be a significant hire spearheading much of their 2025 development. Much of the team will be built around you, and significant hires … and maintain their GPU driver stack, focusing on the performance and efficiency of graphics and compute workloads on cutting-edge GPU architectures. About you: 6 years+ as a Driver Engineer Strong C++ or C programming skills Experience with OpenCL or Vulkan Strong knowledge of GPU development Full details are available. Please don't hesitate to get in touch with More ❯

right to opt-out. For detailed information about personal information we collect and third parties having access to it, please select 'More Information' or refer to our privacy policy.Senior Software Engineer page is loaded Senior Software Engineerlocations: United Kingdom - London Localtime type: Full timeposted on: Posted Todayjob requisition id: JR100055Snyk is the leader in secure AI … software development, helping millions of developers develop fast and stay secure as AI transforms how software is built. Our AI-native Developer Security Platform integrates seamlessly into development and security workflows, making it easy to find, fix, and prevent vulnerabilities - from code and dependencies to containers and cloud.Our mission is to empower every developer to innovate securely in … build Snyk on One Team, Care Deeply, Customer Centric, and Forward Thinking.It's how we stay driven, supportive, and always one step ahead as AI reshapes our world.As a Senior Software Engineer, you'll play a significant role in shaping the technology at Snyk. You will work within a collaborative, forward-thinking team to build foundational, scalable More ❯

Senior Software Engineer – Java (Digital Consultancy) – London – Hybrid – up to £85K We’re working with a rapidly growing UK digital consultancy with a headcount of 500+ and offices across the UK. They combine technical excellence with a supportive culture that genuinely puts people first. This is an opportunity to join a cross-functional agile team delivering innovative … finance, e-commerce, gaming, and more. You’ll be working alongside engineers, QA, product, and design to build robust systems that make a real impact. The Role As a Senior Software Engineer, you will: • Work across multiple technologies, producing scalable, testable, and well-architected code. • Develop and maintain RESTful Java APIs and database integrations. • Troubleshoot and solve … complex software issues, ensuring quality and performance. • Guide and mentor less experienced engineers through feedback, pair programming, and coaching. Tech Stack • Backend: Java, RESTful APIs • Cloud & Deployment: AWS, CI/CD pipelines • Other: Third-party API integrations About You • Have strong Java API development experience. • Supports for best practices such as code reviews, pair programming, and automated testing. • Have More ❯

to deliver the world's most important and complex payments. We use our Flywire Advantage - the combination of our next-gen payments platform, proprietary payment network and vertical specific software, to help our clients get paid, and help their customers pay with ease - no matter where they are in the world. What more do we need to truly be … unstoppable? Perhaps, that is you! Who we are: Flywire is a global payments enablement and software company, founded a decade ago to solve high-stakes, high-value payments in education, using modern technology. Today, we've digitized payments for more than 3,300+ global clients across education, healthcare, travel & B2B, covering more than 240 countries and territories and supporting … more than 40 nationalities, and in 14 offices world-wide, we're looking for FlyMates to join the next stage of our journey as we continue to grow. Overview Senior Software Engineer II Location: London with Hybrid/Remote Options too The Opportunity Work for a global payments leader, consistently ranked one of the best companies to More ❯

Senior Software Engineerrequired for a permanent role working with an award winning high growth business in a hybrid capacity. You will be heavily product focused and have a strong track record of demonstrating you are more than a coder and genuinely love the product build. Senior Software Engineer Requirements Strong experience of Python Development with More ❯

Senior Software Engineer - iOS and tvOS About the Role & Team On any given day at Disney Entertainment and ESPN Product & Technology, we're reimagining ways to create magical viewing experiences for the world's most beloved stories while also transforming Disney's media business for the future. Whether that's evolving our streaming and digital products in … DEEP&T Technology's worldwide content production and distribution platforms. In doing so, they contribute to a series of cross-functional services and technologies, including Quality Assurance, Data Analytics, Software Development, Broadcast Infrastructure, and Networking & Security. The Apple team responsible for building Hulu is seeking an experienced Software Engineer with a passion for mobile applications to join … continuously analyze data to improve our Apps, our processes, and how we work together. Why You want to work with us: Nurture a highly collaborative, world-class team of software engineers. Work on a cutting-edge and evolving technology stack. Own substantial features shipped to millions of users. Influence the innovation of high-profile products in the media streaming More ❯

SENIOR BACKEND ENGINEER UP TO £80k + BENEFITS HYBRID ROLE - 1 day a week in office LONDON Are you looking to take ownership of backend systems in a role that offers great benefits, hybrid working, and the chance to work with modern cloud technologies? THE COMPANY This fast-growing organisation operates in the digital space, delivering innovative technology … that drive real business impact. They are expanding their engineering team and investing in cutting-edge products that leverage data, automation, and scalable cloud platforms. THE ROLE As a Senior Backend Engineer , you'll be responsible for building and maintaining scalable systems and services that underpin the company's technology strategy. Key responsibilities include: Designing and delivering backend … software solutions aligned with the engineering roadmap Supporting solution design, infrastructure setup, testing, and maintenance Ensuring services remain robust, secure, and up-to-date with user feedback and evolving requirements Building new features and optimising existing systems for performance and scalability Upholding engineering best practices across cost efficiency, compliance, and quality Collaborating with cross-functional teams and communicating effectively More ❯

Senior Software Engineer (Web & iPortal) About iProov iProov is the world leader in biometric verification. We are on a mission to make the world a safer place for businesses and consumers and work with fantastic customers across a number of industry sectors - organizations using our technology include the US Department of Homeland Security, the UK Home Office … experience writing easily testable code (e.g. using dependency injection) Experience in cloud technologies (GCP preferred), IaC (e.g. Terraform), containers, container orchestration (e.g. Kubernetes), virtualisation and web servers Experience building software that scale Ability to share knowledge and mentor other team member s Benefits 25 days Annual Leave, plus 8 Bank Holidays (more holiday with service - up to an extra More ❯

actions independently. Complexio is a joint venture between Hafnia and Símbolo, in partnership with Marfin Management, C Transport Maritime, Trans Sea Transport and BW Epic Kosan. Responsibilities As a Senior Software Engineer with broad expertise, you will be a vital part of our team, developing innovative applications that leverage AI capabilities to enhance user experiences and streamline … You have: Excellent problem-solving and technical skills. Strong communication and collaboration skills, with the ability to work in a team. Interest and experience in working on early-stage software and a wide range of tasks. Proven experience using technology and how it helped you build a lasting product. Preferred M.Sc or Ph.d degree in Computer Science or a … related field. 7+ years of experience in software development. Work experience using both compiled languages (Rust, OCaml, Golang, Java, C#) or dynamic languages (JavaScript, Python, Ruby). Experience building web applications or desktop applications technologies such as Electron, tauri, React, Vue.js. Familiarity with CI/CD principles and technologies, including experience with GitHub Actions or similar. Experience working with More ❯

and AI-driven support across voice, mobile, and web platforms. It's a product that demands reliability, speed, and clarity - in the moments when it matters most. As a Senior Software Engineer I , you'll play a central role in building the backend systems that bring Axon Assistant to life. You'll work across real-time APIs … design, performance, and shipping features that support real people doing critical work. And you bring enough experience to know when to challenge, when to align, and how to build software that lasts. Work Location: This role is based out of our London office and follows a hybrid schedule. We rely on in-person collaboration and ask that team members … strong engineering culture built on trust, ownership, and execution. What You Bring Required Skills Bachelor's degree in Computer Science, Engineering, or a related field. 7+ years of professional software development experience, ideally in backend or platform teams. Strong proficiency in backend service development in Node.js, Python, Go, or similar languages. Experience designing and operating cloud-native systems (AWS More ❯

the status quo Build the best technology in-house , using new data sources, machine learning and AI to make machines do the heavy lifting About the Role As a Senior Software Engineer (Data), you'll help shape and scale our data infrastructure, making analytics faster, more reliable, and cost-efficient. You'll work with AWS, Snowflake, Python … as code to manage cloud resources efficiently. Assist in the troubleshooting and resolution of production issues to minimise downtime and improve user satisfaction. What we're looking for Strong software development, particularly in Python or a similar language. Solid engineering practices, including automated testing, deployment systems, and configuration as code. Experience with building data intensive applications and containerised services More ❯

crypto-native firms, they process trillions of market events daily to protect investors, detect manipulation, and ensure integrity across both traditional finance and digital asset markets . As a Senior Software Engineer , you'll play a key role in designing and scaling advanced systems and algorithms that safeguard some of the most dynamic and complex markets in … architecture for low-latency monitoring and high-throughput processing . Continuously improve data quality, reliability, and query optimisation at scale. What we're looking for 5+ years' experience in software engineering , ideally in financial markets, market surveillance, or large-scale data systems . Strong skills in Java (or similar: Kotlin, C#, C++) ; Python is a plus. Proven experience with More ❯

receive an alert: Select how often (in days) to receive an alert: Help shape the next generation of data solutions for the global energy industry! We're hiring a Senior Software Engineer for an in-house role in ours product division! Join a collaborative and forward-thinking team working on CDM - a strategically important initiative with strong … best practices.Communicating clearly with team members and stakeholders. Contributing to architectural decisions and helping shape the future of CDM. Who we're looking for We're seeking an early senior developer (6-8 years of experience) who thrives in a collaborative environment and enjoys solving complex technical challenges. If you're passionate about building scalable systems and want to More ❯

experimentation, and innovation, then this is the job for you! Why Join Our Engineering Team? Be part of a team that's shaping the future of investments. As an engineer, you'll play a pivotal role in developing and maintaining a robust, scalable platform used by thousands daily. We tackle complex technical challenges, drive innovation, and build solutions that … impact. Here, your code doesn't just run - it powers the decisions of investors across the UK. Join us and turn ideas into reality. We are looking for a Senior Backend Software Engineer to play a pivotal role in our engineering team. In this position, you'll lead the end-to-end delivery of complex, impactful features … building innovative solutions. Key Responsibilities & Your Impact Lead the end-to-end process for development projects and new features from design development post-production including having an aptitude for software validation. Collaborate frequently with an emphasis on sharing knowledge through team discussions & workshops whilst developing and mentoring more junior members of the team. Set the standards for code reviews More ❯

Senior Software Development Engineer in Test Unleash Innovation with Mimecast! Join the momentum behind our award-winning platform at Mimecast! Embark on a journey with our Governance, Compliance, and Insights (GCI) and Threat Reporting and Response (TRR) engineering teams. As a vital part of Quality Engineering , you'll play a key role in elevating the quality of … the future! Why Join Our Team? "If you have a passion for creatively addressing complex challenges and wish to implement innovative solutions to develop and scale reliable, high-performing software in both private and public cloud environments, then the GCI and TRR teams are the perfect fit for you. Here, we focus on Data ingestion, backup, and unified search … discovery and compliance customers for different data types, as well as delivering Best-in-class user reporting and threat reporting platforms " - Hiring Manager What You'll Do As a Senior SDET within the GCI and TRR teams, you'll play an integral role in ensuring our software quality is excellent and our code and deployments are constituently maintaining More ❯

with regional hubs for in-person collaboration (Austin, TX, Boston, MA, Charleston, SC, Rochester, NY, Salt Lake City, UT & London, UK). Who you are We are seeking a Senior Full Stack Software Engineer who is passionate about developing a core product positively impacting the lives of people across the world whilst enabling healthcare professionals to perform More ❯