148 software engineer jobs found in London

At Ripple, we’re building a world where value moves like information does today. It’s big, it’s bold, and we’re already doing it. Through our crypto solutions for financial institutions, businesses, governments and developers, we are improving the global financial system and creating greater economic fairness and opportunity for more people, in more places around the world. And we get to do the best work of our career and grow our skills surrounded by colleagues who have our backs.  If you’re ready to see your impact and unlock incredible career growth opportunities, join us, and build real world value. At Ripple, we’re building a world where value moves like information does today. It’s big, it’s bold, and we’re already doing it. Through our crypto solutions for financial institutions, businesses, governments and developers, we are improving the global financial system and creating greater economic fairness and opportunity for more people, in more places around the world....

End Date Monday 15 December 2025 Salary Range £81,999 - £122,999 We support flexible working – click here for more information on flexible working options Flexible Working Options Hybrid Working, Job Share Job Description Summary . Job Description JOB TITLE: Senior Software Engineer SALARY: £81,999 - £90,000 LOCATION(S): London HOURS:  Full time WORKING PATTERN: Hybrid, 40% (or two days) in the above office location About this opportunity Are you an experienced Software Engineer who wants to join an Award Winning Lab and are passionate about engineering and Group Transformation? Our goal in the Domestic Payments Lab Value Stream is to support customer welfare through secure payments and fraud prevention. Support Domestic Payments Lab Business Areas with compliant, fast, secure transaction services to combat threats.   We're looking to recruit a Senior Software Engineer to be part of our Payments Services Platform and help...

At Engine by Starling , we are on a mission to find and work with leading banks all around the world who have the ambition to build rapid growth businesses, on our technology.  Engine is Starling's software-as-a-service (SaaS) business, the technology that was built to power Starling, and two years ago we split out as a separate business.  Starling has seen exceptional growth and success, and a large part of that is down to the fact that we have built our own modern technology from the ground up. This SaaS technology platform is now available to banks and financial institutions all around the world, enabling them to benefit from the innovative digital features, and efficient back-office processes that has helped achieve Starling's success. As a company, everyone is expected to roll up their sleeves to help deliver great outcomes for our clients. We are an engineering led company and we’re looking for people who are will be excited by the potential for Engine’s technology to...

Blockchain.com is connecting the world to the future of finance. As the most trusted and fastest-growing global crypto company, it helps millions of people worldwide safely access cryptocurrency. Since its inception in 2011, Blockchain.com has earned the trust of over 90 million wallet holders and more than 40 million verified users, facilitating over $1 trillion in crypto transactions. Blockchain is the world's leading software platform for digital assets. Founded in 2011, we provide the world’s largest and most trusted production blockchain platform, powering more than 75 million wallets. Together with our platform of liquidity and execution services, we share the passion to build an open, accessible and fair financial future, one piece of software at a time. We are looking to hire a Software Engineer to join our Institutional team in our London office. Blockchain.com is a high-performance culture marked by fearlessness and hyper productivity. You are a hardworking...

FTSE Russell | LSEG Technology FTSE Russell is a leading global provider of financial services, specializing in the creation and management of indexes, data, and analytic solutions. A subsidiary of the London Stock Exchange Group (LSEG), FTSE Russell supports investors worldwide in making informed decisions across asset classes, investment strategies, and market segments. Its products are trusted by institutional and retail investors, asset managers, and pension funds to benchmark performance, build investment portfolios, and manage risk. With a reputation for innovation, transparency, and robust governance, FTSE Russell plays a critical role in shaping global financial markets. Job Summary: FTSE Russell is seeking a junior software engineer to be part a dynamic team building the distribution capabilities of our index products to the financial community worldwide. The distribution platform encompasses the set of systems that deliver our indexes to clients who subscribe to...

End Date Tuesday 30 December 2025 Salary Range £78,849 - £118,274 We support flexible working – click here for more information on flexible working options Flexible Working Options Hybrid Working, Job Share Job Description Summary . Job Description JOB TITLE: Senior iOS Software Engineer SALARY: £81,999 - £95,000 per annum LOCATION: London HOURS: Full-time – 35 hours WORKING PATTERN: Our work style is hybrid, which involves spending at least two days per week, or 40% of our time, at our London office.   About this opportunity… We’re looking for Senior iOS Software Engineers to join our Segments & Propositions Team in London. Segments & Propositions is the segment of customers with between £50,000 and £5 million in investable assets. We have close to three million Mass Affluent customers, and we are working hard to create greenfield personalised and tailored offering to ensure a beautiful banking experience....

Optiver is looking for a Software Engineer to join our London Autotrading development team.  This team works both on expanding the functionality of our autotrading systems to meet the unique needs of the desks in London, as well as taking a lead on optimizing and improving the scalability of our core trading platform. Our systems are built to add to the stability of the market, not detract from it; therefore, they must operate at peak efficiency in the most extreme market conditions across every product we want to trade. We’re looking for a hands-on engineer with deep technical knowledge to help us in this mission. What you’ll do: Work closely with the trading team to understand their needs, and build out new functionality and strategies in our autotrading systems; Develop performance critical code that must handle huge amounts of data in an environment where nanoseconds matter; Build mission critical software to the highest level of quality with risk management at the...

A World-Changing Company Palantir builds the world’s leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role Palantir Foundry is an end-to-end platform for data-driven decision-making. We're transforming the way organizations securely integrate their data, so they can then build reliable, critical applications atop that unified foundation. Our customers use Foundry to perform rich analyses that drive core operations within their organizations. They can also build sophisticated, full-fledged programs, such as common operating pictures, alert-triaging inboxes, and resource allocation planning tools driven by rich-ML models. As a Senior Front End Software Engineer focused on application development in Foundry, you will be responsible for crafting the tools used by...

A World-Changing Company Palantir builds the world’s leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role Substrate is the team responsible for Palantir’s core production infrastructure — 100s of K8s clusters — from on-prem to the major cloud hyperscalers, whether they are internet-connected or air-gapped, small hardware footprint or large. As a Senior Software Engineer on Substrate, you will design and build Palantir’s managed Kubernetes product offerings across all these environments. You and your team will be responsible for bootstrapping and operating the entire fleet of K8s clusters with zero manual steps by building industry leading tooling and contributing to core CNCF components. You will also be responsible for ensuring scale, stability and security...

A World-Changing Company Palantir builds the world’s leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role Backend Software Engineers at Palantir build software at scale to transform how organizations use data. Our Software Engineers are involved throughout the product lifecycle, from idea generation, design, prototyping, and production delivery. You will collaborate closely with technical and non-technical teammates to understand our customers' problems and build products that solve them. We encourage movement across teams to share context, skills, and experience, so you'll learn about many different technologies and aspects of each product. Engineers work autonomously and make decisions independently, within a community that will support and challenge you as you...

A World-Changing Company Palantir builds the world’s leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role Are you excited about building world class platforms that power mission critical software at a huge scale? Apollo enables autonomous management and continuous deployment of software, wherever it is. We’re taking SAAS to where SAAS has not gone before: from on-premise, to various cloud providers, to disconnected environments (air-gapped), to strict accreditation frameworks including IL-5 and FedRAMP, and to the edge. You can read more about the problem Apollo was built to solve on our blog or watch our Apollo demo day . As a Software Engineer on the Apollo platform you will build software at scale to transform how organisations around the world deploy...

At Engine by Starling , we are on a mission to find and work with leading banks all around the world who have the ambition to build rapid growth businesses, on our technology.  Engine is Starling's software-as-a-service (SaaS) business, the technology that was built to power Starling, and two years ago we split out as a separate business.  Starling has seen exceptional growth and success, and a large part of that is down to the fact that we have built our own modern technology from the ground up. This SaaS technology platform is now available to banks and financial institutions all around the world, enabling them to benefit from the innovative digital features, and efficient back-office processes that has helped achieve Starling's success. As a company, everyone is expected to roll up their sleeves to help deliver great outcomes for our clients. We are an engineering led company and we’re looking for people who are will be excited by the potential for Engine’s technology to...

At Engine by Starling , we are on a mission to find and work with leading banks all around the world who have the ambition to build rapid growth businesses, on our technology.  Engine is Starling's software-as-a-service (SaaS) business, the technology that was built to power Starling Bank, and a year ago we split out as a separate business.  Starling has seen exceptional growth and success, and a large part of that is down to the fact that we have built our own modern technology from the ground up. The Engine technology platform is now available to banks and financial institutions all around the world, enabling them to benefit from the innovative digital features, and efficient back-office processes that has helped achieve Starling's success. Our technologists are at the very heart of Engine and enjoy working in a fast-paced environment that is all about building things, creating new stuff, and disruptive technology that keeps us on the cutting edge of fintech. We operate a...

At Engine by Starling , we are on a mission to find and work with leading banks all around the world who have the ambition to build rapid growth businesses, on our technology.  Engine is Starling's software-as-a-service (SaaS) business, the technology that was built to power Starling, and two years ago we split out as a separate business.  Starling has seen exceptional growth and success, and a large part of that is down to the fact that we have built our own modern technology from the ground up. This SaaS technology platform is now available to banks and financial institutions all around the world, enabling them to benefit from the innovative digital features, and efficient back-office processes that has helped achieve Starling's success. As a company, everyone is expected to roll up their sleeves to help deliver great outcomes for our clients. We are an engineering led company and we’re looking for people who are will be excited by the potential for Engine’s technology to...

At Ripple, we’re building a world where value moves like information does today. It’s big, it’s bold, and we’re already doing it. Through our crypto solutions for financial institutions, businesses, governments and developers, we are improving the global financial system and creating greater economic fairness and opportunity for more people, in more places around the world. And we get to do the best work of our career and grow our skills surrounded by colleagues who have our backs.  If you’re ready to see your impact and unlock incredible career growth opportunities, join us, and build real world value. Are you ready to elevate your career? At Ripple Labs Inc., we offer an outstanding opportunity for a Senior Software Engineer to join our top-tier team in London. As a part of our dynamic and ambitious group, you will play a key role in crafting and developing groundbreaking software solutions that drive innovation and success! Responsibilities As a Senior Software...

About the Role: Grade Level (for internal use): 09 About the Role:   Grade Level (for internal use):   09   The Location: London, Uni ted Kingdom   S&P Global Ratings is looking for a highly motivated, enthusiastic and skilled senior developer to join Commercial Desktop team within Commercial Engineering , a team of technology professionals who define and execute the strategic roadmap for S&P Global Ratings Commercial team . The successful candidate will participate in the design and development of Commercial Desktop platform to help improve commercial workflows and overall productivity.   The Team : Join the Rating Organization’s Commercial Desktop Engineering Team, known for its expertise in commercial workflow s and various technology stacks. This team values knowledge sharing, collaboration, and a unified strategy to build S&P Ratings'...

A World-Changing Company Palantir builds the world’s leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role The Original Forward Deployed Software Engineer   At Palantir, the Forward Deployed Software Engineer (FDSE) role isn’t just a job title: it’s the blueprint. We pioneered this unique position, embedding talented engineers directly with our customers to tackle their most pressing challenges head-on. As an FDSE, you’ll be at the intersection of world-changing problems and impactful technology, shaping solutions where they matter most. FDSEs work side by side with our customers, rapidly understanding their toughest issues; architecting and building solutions that leverage business-critical data and the latest advancements in AI to solve them. Whether it’s...

Excited to grow your career? Our purpose is to make it easy for people to save and invest for a better future. We are looking for great people to join us, so please come and invest in YOUR future at Hargreaves Lansdown. We know that sometimes people can be put off applying for a job if they don't tick every box. If you're excited about working for us and have most of the skills or experience we're looking for, please go ahead and apply. We’d love to hear from you! About the role This is the future of HL - and the future of investing. We’re building the next generation of platform for one of the UK’s largest financial services companies, trusted by over 1.8 million clients and managing £130+ billion in assets. This is your opportunity to shape technology that will redefine how people invest and achieve financial freedom. All development within Core Wealth Services is greenfield. That means a clean slate - the chance to design, architect and build from the...

At Engine by Starling , we are on a mission to find and work with leading banks all around the world who have the ambition to build rapid growth businesses, on our technology.  Engine is Starling's software-as-a-service (SaaS) business, the technology that was built to power Starling, and two years ago we split out as a separate business.  Starling has seen exceptional growth and success, and a large part of that is down to the fact that we have built our own modern technology from the ground up. This SaaS technology platform is now available to banks and financial institutions all around the world, enabling them to benefit from the innovative digital features, and efficient back-office processes that has helped achieve Starling's success. As a company, everyone is expected to roll up their sleeves to help deliver great outcomes for our clients. We are an engineering led company and we’re looking for people who are will be excited by the potential for Engine’s technology to...

About Clear Street:   Clear Street is modernizing the brokerage ecosystem. Founded in 2018, Clear Street is a diversified financial services firm replacing the legacy infrastructure used across capital markets. We started from scratch by building a completely cloud-native clearing and custody system designed for today’s complex, global market. Clear Street’s proprietary prime brokerage platform adds significant efficiency to the market, while focusing on minimizing risk, redundancy, and cost for clients. Our goal is to create a single source-of-truth platform for every asset class, in every country, and in any currency. By combining highly skilled product and engineering talent with seasoned finance professionals, we are building the essentials to compete in today’s fast-paced markets. The Role: As an experienced Full Stack Software Engineer you will help build our Equity Swaps team in the UK. You will tackle non trivial problems that force you to balance trade offs...

About Clear Street:   Clear Street is modernizing the brokerage ecosystem. Founded in 2018, Clear Street is a diversified financial services firm replacing the legacy infrastructure used across capital markets. We started from scratch by building a completely cloud-native clearing and custody system designed for today’s complex, global market. Clear Street’s proprietary prime brokerage platform adds significant efficiency to the market, while focusing on minimizing risk, redundancy, and cost for clients. Our goal is to create a single source-of-truth platform for every asset class, in every country, and in any currency. By combining highly skilled product and engineering talent with seasoned finance professionals, we are building the essentials to compete in today’s fast-paced markets. The Role: As an experienced Full Stack Software Engineer you will help build our Equity Swaps team in the UK. You will tackle non trivial problems that force you to balance trade offs...

Blockchain.com is connecting the world to the future of finance. As the most trusted and fastest-growing global crypto company, it helps millions of people worldwide safely access cryptocurrency. Since its inception in 2011, Blockchain.com has earned the trust of over 90 million wallet holders and more than 40 million verified users, facilitating over $1 trillion in crypto transactions. Blockchain is the world's leading software platform for digital assets. Founded in 2011, we provide the world’s largest and most trusted production blockchain platform, powering more than 75 million wallets. Together with our platform of liquidity and execution services, we share the passion to build an open, accessible and fair financial future, one piece of software at a time. We are looking to hire a  Software Engineer to join our Institutional team in our London office. Blockchain.com is a high-performance culture marked by fearlessness and hyper productivity. You are a hardworking...

Blockchain.com is connecting the world to the future of finance. As the most trusted and fastest-growing global crypto company, it helps millions of people worldwide safely access cryptocurrency. Since its inception in 2011, Blockchain.com has earned the trust of over 90 million wallet holders and more than 40 million verified users, facilitating over $1 trillion in crypto transactions. Blockchain is the world's leading software platform for digital assets. Founded in 2011, we provide the world’s largest and most trusted production blockchain platform, powering more than 75 million wallets. Together with our platform of liquidity and execution services, we share the passion to build an open, accessible and fair financial future, one piece of software at a time. As a Software Engineer on our Cryptocurrency Trading Platform, you will take on a role in shaping the direction of our technology while working closely with the trading team and quantitative analysts (quants). You...

Jump Trading Group is committed to world class research. We empower exceptional talents in Mathematics, Physics, and Computer Science to seek scientific boundaries, push through them, and apply cutting edge research to global financial markets. Our culture is unique. Constant innovation requires fearlessness, creativity, intellectual honesty, and a relentless competitive streak. We believe in winning together and unlocking unique individual talent by incenting collaboration and mutual respect. At Jump, research outcomes drive more than superior risk adjusted returns. We design, develop, and deploy technologies that change our world, fund start-ups across industries, and partner with leading global research organizations and universities to solve problems. Core Development is a global team of technologists who architect, build and maintain our world-class trading platform. From optimizing our core trading engine to building custom hardware, we leverage software & hardware...