1 to 25 of 64 Remote Senior Software Engineer Jobs in London

people all over the world in a wide variety of disciplines. We're always on the lookout for energetic, creative people to join our team. Your New Role The Senior Software Engineer work s with our Global Content Delivery teams to deliver exabytes of content for our brands globally. The S enior Software Engineer has … of our entire stack, contributing to the global control plane, to working on new revisions of hardware to deployed to the field. This team works the full stack from software, networking, operating system, to the hardware and network gear level. Design, write and deliver software and infrastructure to improve the reliability, scalability, latency, and efficiency of our services. … all non-exceptional service conditions. Influence and create new designs, architectures, standards, and methods for large-scale distributed systems. Engage in service capacity planning, service integration and geo-expansion, software performance analysis and system tuning. Candidate must be solutions-oriented oriented using rigorous logic and methods to solve difficult problems with effective solutions, probing all sources for answers. Conduct 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 route optimisation, streamlining processes and delivering CO2 carbon neutral targets … established 10 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 scale and … understanding of web 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 Full Stack Software Engineer Tech : AWS Lambda, React with Next.js, TypeScript, Node.js, and Terraform Why? start-up financial services, revolutionising the industry Location : Hybrid - 2-3 days in the office (London) Salary : £80k - £95k + benefits Our Client A new UK-based financial services provider is launching a credit card offering 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 Full Stack Software Engineer - Responsibilities Collaborate with Product Owners to ensure that the technical roadmap aligns with the product vision. Actively participate in product planning meetings and provide … Terraform. Provide technical guidance and mentorship to junior developers. Stay up-to-date with new technology trends, applications, and protocols. Contribute to the development of technical documentation and standards. Senior Full Stack Software Engineer - Experience Required Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field, or equivalent experience Proven experience as a 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 ❯

tangible impact on our world. Whether you join our London HQ or the wider global organisation, you'll be a part of collaborative, high-performing teams, creating cutting-edge software, platforms, and infrastructure. The Role Our Product Development organization is made up of small teams of engineers who work collaboratively to build cross functional capabilities, streamline user workflows and … continuously improve our software's efficiency and reliability. We are seeking a highly motivated and experienced Backend Engineer to join our growing team. As a Backend Engineer, you will play a critical role in designing, building, and maintaining a wide range of platform and application-level services for end users across myriad sectors. Required skills/expertise More ❯

Description Starling is the UK's first and leading digital bank on a mission to fix banking! We built a new kind of bank because we knew technology had the power to help people save, spend and manage their money More ❯

Our client, a fast-growing FinTech organisation delivering innovative digital financial solutions, is seeking a highly experienced Senior Software Engineer. This is a unique opportunity to join their dynamic tech team as they prepare to launch a brand-new mobile app in September 2025. The successful candidate will spearhead Python development, becoming the first permanent Python specialist within … collaborative team of Developers, Data Engineers, and Technology Experts. With a CEO who is a strong advocate of AI, experience and passion for AI technologies and their application in software development will be highly valued. Main Purpose of the Role:Lead and champion Python development within the organisation.Drive technical innovation across mobile app projects, backend development, and AI-driven … solutions.Collaborate closely with a multi-disciplinary technology team to deliver scalable, robust solutions. Key Responsibilities:Design, develop, and maintain high-quality software solutions using Python.Contribute to mobile app development, ensuring seamless integration with backend systems.Build and maintain CI/CD pipelines for efficient and secure deployments.Develop solutions on AWS cloud infrastructure, ensuring performance, security, and scalability.Support and contribute to More ❯

Our client, a fast-growing FinTech organisation delivering innovative digital financial solutions, is seeking a highly experienced Senior Software Engineer. This is a unique opportunity to join their dynamic tech team as they prepare to launch a brand-new mobile app in September 2025. The successful candidate will spearhead Python development, becoming the first permanent Python specialist within … collaborative team of Developers, Data Engineers, and Technology Experts. With a CEO who is a strong advocate of AI, experience and passion for AI technologies and their application in software development will be highly valued. Main Purpose of the Role: Lead and champion Python development within the organisation. Drive technical innovation across mobile app projects, backend development, and AI … driven solutions. Collaborate closely with a multi-disciplinary technology team to deliver scalable, robust solutions. Key Responsibilities: Design, develop, and maintain high-quality software solutions using Python. Contribute to mobile app development, ensuring seamless integration with backend systems. Build and maintain CI/CD pipelines for efficient and secure deployments. Develop solutions on AWS cloud infrastructure, ensuring performance, security More ❯

Role: Senior Software Engineer (Python) Salary: £100,000-£110,000 + Bonus WFH: Hybrid - 2-3 days/week in-office (Central London) Overview Our client is a profitable and fast-growing UK fintech helping over 800,000 customers improve their financial health. Backed by strong leadership and AI-driven innovation, the company is building a brand … new mobile app and scaling its engineering team to support rapid product delivery. They're now hiring a Senior Python Engineer to join this lean, high-impact team and help shape the future of fair, tech-driven credit products. Key Responsibilities Design, build and scale modern APIs and backend services in Python Lead technical delivery across greenfield and … Write maintainable, testable, high-performance code Influence architecture and mentor junior engineers Balance delivery with strategic thinking in a fast-moving environment Ideal Candidate 7+ years of experience in software engineering Strong Python (FastAPI, Flask, or Django preferred) AWS or Azure cloud exposure Frontend awareness (e.g. React) Agile mindset; thrives in lean, delivery-focused teams Passionate about AI 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 of financial products and services, including consumer … strategic 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 both business More ❯

to own their story and their successes - all our team members are highly valued and important members of our company's journey. Job brief We are looking for a Senior Django Developer who is extremely knowledgeable and a driven individual, you will be a Senior Engineer within a team designing and programming Django-based web applications. You … will be a part of a cross-functional product team that is responsible for the full web application development life cycle, producing scalable software solutions from conception to deployment. As a Python Django Developer you will need to be analytical, and comfortable with a mix of web technologies, development frameworks and third-party libraries. If you have great attention … like to meet you. As well as producing code, you will lead the design and implementation of technical solutions working alongside a product manager, and close to the lead engineer, helping the delivery of production-ready projects by helping fellow developers and QA engineersimplement the right solutions. As Edgefolio expands, you will help build modern and elegant applications that More ❯

looking for people who want to work on building the tooling that is used by our engineers on a daily basis. Requirements We prioritize aptitude and attitude, seeking passionate software engineers who are self-driven in ambiguous situations and committed to crafting elegant solutions for complex technical challenges. For the most part we code in Java, but you need … developed in-house, predominantly in Java, with a minimalistic approach to third-party software. We believe in simple solutions adhering to Clean Code principles that promote maintainable and extensible software, automated testing and Continuous Integration & Delivery. Experience on distributed systems with a focus on resiliency and maintainability is highly valued. We're looking for engineers with at least 6+ More ❯

engineering technical designs. Who You Are Enthusiastic about contributing to a fast-growing company with a mission to make a positive impact on the world. A passionate and dedicated software developer with an interest in building resilient, performant and easy to understand solutions. A driven, ambitious self-starter who thrives on taking initiative and ownership. Embrace a continuous learning More ❯

Senior Software Engineer - Threat Protection page is loaded Senior Software Engineer - Threat Protection Apply locations Great Britain - London time type Full time posted on Posted 3 Days Ago job requisition id R5674 Senior Software Engineers - Threat Protection The driving force behind the scanning platform at Mimecast Dive into the forefront of innovation … challenges at immense scale, then this is the role for you!" Responsibilities Experience in a complex, multi-disciplinary environment, delivering products within specific time-scales and engaging with multiple senior stakeholders Deliver AWS based Java services through CI/CD and Infrastructure as code using Terraform Deploy, Monitor and analyze AWS usage, providing recommendations for cost optimisations without compromising … certain obligations to our customers, an offer of employment will be subject to your successful completion of applicable background checks, conducted in accordance with local law. Similar Jobs (3) Senior Software Engineer locations Great Britain - London time type Full time posted on Posted 5 Days Ago Senior Software Engineer - Search Platform locations Great Britain More ❯

best-in-class products and solutions, and unparalleled access to capital and liquidity. About the team The Equity Technology organization is undertaking a multi-year investment to completely re-engineer the front office technology platform, to support business expansion plans to close the gap to competition. Citi Investment Strategies (CIS) Engineering group comprises four teams. SolstiCE team is responsible … for development, maintenance and support of an index calculation platform for the CIS business. Role Overview/What you will you do The role of a Senior Software Engineer for SolstiCE requires a combination of strong technical and leadership skills. You will work together with business stakeholders from Trading and Benchmark Administration Team (BAT), and with other … manage multiple priorities simultaneously. You will be a highly motivated self-starter who is comfortable taking on new challenges and picking up and learning new technologies. Hands-on professional software development experience at a senior level. Proven experience of defining technical architectures and leading complex projects through to delivery. Proficiency in object-oriented and functional programming. Rigorous application More ❯

your role, team and you as an individual so we are here to support and discuss this with you during the interview process. We are currently looking for a Senior Software Engineer to join our Developer Experience Platform Enablement Team, working in an AWS Serverless environment. What you'll be Doing: Be part of a cross-functional … by sharing ideas, participating in learning initiatives, and helping to elevate engineering practices across the business. Opportunity to work in a fun and social environment! Our expectations of our Software Engineers: Drive Meaningful Developer Impact: Our goal is to enhance the developer experience by prioritising high-value initiatives that remove friction, improve efficiency, and empower teams. We focus on More ❯

We're hiring 2x Senior Software Engineers to join our Participant squad. In this role, you'll help design, build, and run the systems that support people through their journey with us to becoming what we term a full participant whereby they have completed our Health and Lifestyle questionnaire and undertaken an appointment where we collect physical measurements … graph). Good experience in using modern, agile development practices like code review, TDD, CI/CD and pairing using tools like Git and GitHub. Experience of operationally managing software components once live, including; observability, logging, metrics, error reporting, debugging and live incident management. Experience of working with sensitive personal data. Competitive salary starting from £85,000 Generous Pension More ❯

We're hiring 2x Senior Software Engineers to join our Participant squad. In this role, you'll help design, build, and run the systems that support people through their journey with us to becoming what we term a full participant whereby they have completed our Health and Lifestyle questionnaire and undertaken an appointment where we collect physical measurements … graph). Good experience in using modern, agile development practices like code review, TDD, CI/CD and pairing using tools like Git and GitHub. Experience of operationally managing software components once live, including; observability, logging, metrics, error reporting, debugging and live incident management. Experience of working with sensitive personal data. Competitive salary starting from £85,000 Generous Pension More ❯

and pragmatism, we aim to support the next generation of advanced materials critical to building a more sustainable future. You'll be joining a team of nine as a Senior Software Engineer. This role grants you a significant degree of autonomy, and influence over the development and direction of the platform and product. We're building a cloud … help us grow Polaron, so if you feel like you could excel in this role, please get in touch! You have 5+ years experience working as a product-focused software engineer. A degree in Computer Science, Engineering, AI, Math, Physics, or similar - or equivalent work experience. Experience writing well-tested, maintainable code with a statically typed programming language (TypeScript More ❯

and pragmatism, we aim to support the next generation of advanced materials critical to building a more sustainable future. You'll be joining a team of nine as a Senior Software Engineer. This role grants you a significant degree of autonomy, and influence over the development and direction of the platform and product. We're building a cloud … help us grow Polaron, so if you feel like you could excel in this role, please get in touch! You have 5+ years experience working as a product-focused software engineer. A degree in Computer Science, Engineering, AI, Math, Physics, or similar - or equivalent work experience. Experience writing well-tested, maintainable code with a statically typed programming language (TypeScript More ❯

work on building the tooling that is used by our engineers on a daily basis. Requirements Ideally, you have at least 5-6 years of experience as a professional software engineer. We are very open about how we deliver software. For the most part we code in Java and we believe in clean coding, simple solutions, automated testing and … from you, so come with questions and be curious. In general you can expect the below, following a chat with one of our Talent Team: Initial interview with an Engineer - ~45 minutes Take home technical test to be discussed in the next interview Technical interview - ~1.5 hours Final Interview - ~40 minutes Benefits 25 days holiday (plus take your public More ❯

Our client, a fast-growing FinTech organisation delivering innovative digital financial solutions, is seeking a highly experienced Senior Software Engineer to join their expanding technology team. This is an exceptional opportunity to work on a wide range of exciting projects, including playing a key role in the launch of a brand-new mobile app scheduled for September … maintain CI/CD pipelines to enable rapid and efficient deployments.Work on mobile app integration projects to ensure seamless backend connectivity.Incorporate AI technologies and models where applicable to enhance software capabilities.Promote coding best practices, automated testing, and continuous improvement.Collaborate with cross-functional teams to translate business requirements into technical solutions.Manage multiple projects simultaneously within a fast-paced FinTech environment. … What They Are Looking For:7+ years of senior-level software development experience.Deep commercial experience with C# development.Strong knowledge of AWS cloud services and infrastructure.Proven experience with CI/CD pipeline development and deployment automation.Experience contributing to mobile app development projects.Keen interest and practical experience in AI technologies and their application within software development.Excellent problem-solving abilities More ❯

the right to work in the UK. This is a remote role, with occasional (eg: once every three weeks) visits to either our London or Lancaster offices. While our software team is largely remote, you are welcome to work more regularly, or even full-time, in office if preferred. About the Role We are looking for an excellent software engineer to work on multiple projects across our tech stack, supporting our product which is mobile based. You will need to have strong fundamental engineering skills and be happy working across a wide range of applications. As a Senior Engineer, you will be responsible for our AWS, Web and Desktop tech stack. This includes: Our AWS … Lambda ) Various scripts and algorithms (Python) Our Microsoft Desktop App (Python) Our ASP.Net web app (.Net, C#, JS, Azure) You will interact heavily with our wider team of mobile software engineers, physicists and mathematicians who manage our mobile stack, mobile SDK and authentication algorithms. You'll play a key role in designing, developing, and maintaining high-quality code, infrastructure More ❯

Job Description: Job Title : Senior Software Engineer Location: London/Remote/Hybrid Job Status: Permanent/Full-time Reports to: Technical Operations Manager About us B4B Payments is a multi-award-winning, global financial services technology company offering an advanced transaction payments platform and APIs for emerging payments and financial services. Our flexible technology and comprehensive … and most successful companies around the world, as they accelerate the digitalisation of their customer and supply-chain. About the role We're looking for a UK based, experienced Software Engineer with a deep knowledge of Ruby on Rails to join our friendly, well organised and product led dev team here at B4B Payments. You'll be working … a fun and fulfilling environment Design and implement new features as part of a product specific team led by a product owner Take ownership of the end-to-end software development lifecycle from technical specification through to testing and warranty Provide feedback and mentoring of your peers through the software development lifecycle Contribute ideas to improve how we More ❯

Senior Software Engineer - Threat Reporting and Response Team The driving force behind Collaboration Security at Mimecast Dive into the forefront of innovation with our Threat Reporting and Response engineering team, where we work diligently to keep our customers safe! Our platform leverages the latest technologies and tooling in AWS and Artificial Intelligence to stay one step ahead … the latest technologies from AWS and advancements in AI to keep our customers safe from threat actors, with speed and precision!" - Hiring Manager What You'll Do As a Senior Software Engineer, you will play a pivotal role in designing and developing solutions that are performant, efficient, secure, scalable, and resilient. You will also be responsible for … usage, providing recommendations for cost savings without compromising system performance and reliability. Craft resilient, secure, and efficient code, ensuring optimal performance and minimal downtime. Engage in typical Agile and software development activities: backlog refining, planning, implementation, design and code reviews, demos, and retrospectives. What You'll Bring: Demonstrable ability to work effectively in a collaborative team environment, mentoring junior More ❯