105 senior software engineer jobs found in London

End Date Saturday 07 June 2025 Salary Range £78,849 - £118,274 We support flexible working – click here for more information on flexible working options Flexible Working Options Flexibility in when hours are worked, Hybrid Working Job Description Summary . Job Description JOB TITLE: Senior Software Engineer SALARY: £81,999 - £91,110 LOCATION(S): London HOURS: Full-time WORKING PATTERN: Our work style is hybrid, which involves spending at least two days per week currently, or 40% of our time, at our office location. About this opportunity We're on a mission to build the bank of the future, and we need your help to do it. We're redefining what a bank is from the inside out. Our technology and our culture are changing to craft a true engineering-led organisation.  This role sits within our Customer Data Services Platform and we're the team that looks after the customer data for the whole of Lloyds Banking Group. Our mission is to...

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...

Job Description Building trusted markets – powered by our people.     At Cboe Europe, we inspire our people to solve complex challenges together because what we do matters. We provide the financial infrastructure that powers the global economy. As a leading provider of market infrastructure and tradable products, Cboe delivers cutting-edge trading, clearing and investment solutions to market participants around the world.     We’re building inclusive ways to support professional and personal development while strengthening the trust we’ve earned as a global market leader. Our teams are empowered to share ideas, actively pursue them and bring on a challenge. As champions of internal mobility and access to opportunity, we encourage our people to “go for it” and equip our managers with the training to coach their teams to the next level. Our Associate Resource Groups champion diversity, equity and inclusion, giving associates...

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. THE WORK: We are looking for a Senior Software Engineer passionate about solving ambitious problems and working directly with Ripple Trading and Markets in the cross-border payments space. We are passionate about the growth of our engineers and place a premium on career development. You will have a high degree of accountability and responsibility from Day 1. You...

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. THE WORK: We are looking for a Senior Software Engineer passionate about solving ambitious problems and working directly with Ripple Trading and Markets in the cross-border payments space. We are passionate about the growth of our engineers and place a premium on career development. You will have a high degree of accountability and responsibility from Day 1. You...

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. THE WORK: We are looking for a Senior Software Engineer passionate about solving ambitious problems and working directly with Ripple Trading and Markets in the cross-border payments space. We are passionate about the growth of our engineers and place a premium on career development. You will have a high degree of accountability and responsibility from Day 1. You...

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. THE WORK: We are looking for a Senior Software Engineer passionate about solving ambitious problems and working directly with Ripple Trading and Markets in the cross-border payments space. We are passionate about the growth of our engineers and place a premium on career development. You will have a high degree of accountability and responsibility from Day 1. 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 As a Senior Software Engineer on Palantir's Identity team, you will design, develop, and maintain core authentication and authorisation services. Your work will enhance the security and usability of identity governance workflows and access management for Palantirians and our customers globally. Your approach will emphasise secure-by-design principles, embedding security considerations into every phase of the software development lifecycle. By adopting shift-left security practices, you will proactively address security concerns early in the development process, ensuring that our systems are resilient against emerging threats. The Identity team is composed...

Job Title Senior Software Engineer (Java) Job Description So, who are we? Hello, we’re IG Group, an FTSE 250 Fintech that provides cutting-edge mobile, web and desktop platforms that help our clients trade Stocks & Shares, leveraged products, Futures & Options and Crypto. We are ambitious. Over 340,000 people already use our platforms. We’re global with offices in 18 countries and products in 16 regions. We’re hungry to move faster, ship better products for our customers and grow our user base. We believe in high autonomy, and we want people who are looking to do things differently to create better experiences for our customers. We work in cross-functional teams and are laser-focused on increasing the number of active clients we serve to drive sustainable growth. Your team You’ll be working as part of IG’s Core Dealing software engineering team. The Core Dealing team is responsible for developing and maintaining applications that perform order...

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 Bank 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. 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...

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 Bank 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. 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...

Blockchain.com is the world's leading software platform for digital assets. Offering the largest production blockchain platform in the world, we share the passion to code, create, and ultimately build an open, accessible and fair financial future, one piece of software at a time. We are looking for software engineers from a variety of technical backgrounds with a proven track record in building scalable, reliable and performant systems. You will play a critical role in building financial and crypto-native products, services and APIs. As a Senior Back-End Engineer  you should lead by example - driving the technical discussions, influencing the approach and making a positive impact on the team's development by advocating the best engineering practices. WHAT YOU WILL DO You will be part of the Brokerage - Orders team who enable buy, sell and swap of crypto Develop and integrate APIs from new and existing services, to our various product applications. Become a key...

Blockchain.com is the world's leading software platform for digital assets. Offering the largest production blockchain platform in the world, we share the passion to code, create, and ultimately build an open, accessible and fair financial future, one piece of software at a time. We are looking for software engineers from a variety of technical backgrounds with a proven track record in building scalable, reliable and performant systems. You will play a critical role in building financial and crypto-native products, services and APIs. As a Senior Back-End Engineer  you should lead by example - driving the technical discussions, influencing the approach and making a positive impact on the team's development by advocating the best engineering practices. WHAT YOU WILL DO You will be part of the Brokerage - Payments team who enable blockchain customers to deposit and withdraw in the blockchain app Develop and integrate APIs from new and existing payment providers, banks...

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 in a new and transformative way. We’re a fully licensed UK bank with the culture and spirit of a fast-moving, disruptive tech company. We’re a bank, but better: fairer, easier to use and designed to demystify money for everyone. We employ more than 3,000 people across our London, Southampton, Cardiff and Manchester offices. Our technologists are at the very heart of Starling 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 flat structure to empower you to make decisions regardless of what your primary responsibilities may be, innovation and collaboration will be at the core of everything you do. Help is never far away in our open culture, you will...

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 in a new and transformative way. We’re a fully licensed UK bank with the culture and spirit of a fast-moving, disruptive tech company. We’re a bank, but better: fairer, easier to use and designed to demystify money for everyone. We employ more than 3,000 people across our London, Southampton, Cardiff and Manchester offices. Our technologists are at the very heart of Starling 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 flat structure to empower you to make decisions regardless of what your primary responsibilities may be, innovation and collaboration will be at the core of everything you do. Help is never far away in our open culture, you will...

Role Description : As a Senior Lead within Software Engineering, you’ll design and implement functionalities, focusing on Data Engineering tasks. You’ll be working with semi-structured data to ingest and distribute it on a Microsoft Fabric-based platform, modernizing data products and distribution channels. You’ll drive the software development lifecycle for continuous data delivery and lead the evaluation and adoption of emerging technologies. Key Responsibilities : Provide partnership and support to SME’s and Tech Leads to ensure delivery on commitments Build and maintain secure and compliant production data processing pipelines on Microsoft fabric and azure to ingest, land and transform data to on data product. Ensure that data pipelines and data stores are high-performing, efficient, organized, and reliable, given a set of business requirements and constraints.  Design, implement, monitor, and optimize data platforms to meet the data pipelines needs from...

About Us LSEG (London Stock Exchange Group) is a world- leading financial markets infrastructure and data business.  We are dedicated , open-access partners with a commitment to excellence in delivering services across Data & Analytics, Capital Markets, and Post Trade.     Backed by three hundred years of experience , innovative technologies , and a team of over 23,000 people in 70 countries, our purpose is driving financial stability , empowering economies , and enabling customers to create sustainable growth .      Role Profile   In this role, you'll be joining our Azure Engineering team within Cloud Productivity & Engineering (C PE ) as a Senior Cloud Software Engineer on the development of our Cloud Management Engine ( CME )! This team focuses on building,...

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 organisations 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 organisations. 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...

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 and collaboration that results in a unified strategy. Be a part 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 using cutting edge technologies consisting of web applications, data pipelines, big data, machine learning and multi-cloud. Complete SDLC: architecture, design, development, and support of tech solutions Active...

About the Role: Grade Level (for internal use): 10 Grade Level (for internal use):   1 0   The Location: London, Uni ted Kingdom   About the Role : 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'...

End Date Wednesday 04 June 2025 Salary Range £81,999 - £122,999 We support flexible working – click here for more information on flexible working options Flexible Working Options Job Share Job Description Summary . Job Description JOB TITLE:  Senior Software Engineer - Conversational AI SALARY: £81,999 - £91,110 LOCATION(S):  London HOURS:  Full-time – 35 hours per week 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 Lloyds Banking Group is the UK’s leading digital franchise, with over 13 million active online customers across our three main brands - including Lloyds Bank, Halifax and Bank of Scotland - as well as the biggest mobile bank in the country. We're building the bank of the future, and we need your help. The Intelligent Automation Platform is an Enabling Platform as part of CIO Enabling Services. Our purpose...

Blockchain.com is the world's leading software platform for digital assets. Offering the largest production blockchain platform in the world, we share the passion to code, create, and ultimately build an open, accessible and fair financial future, one piece of software at a time. We are looking for a proactive, thorough Senior Software Engineer to help build our Defi platform. You will play a critical role in building financial and crypto-native products, services and APIs. As a Senior Back-End Engineer you should lead by example - driving the technical discussions, influencing the approach and making a positive impact on the team's development by advocating the best engineering practices. WHAT YOU WILL DO Build on our DeFi wallet platform, expanding support for multiple networks Develop and integrate APIs from new and existing services, to our various product applications.  Be a part of a dedicated engineering team committed to applying the highest...

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. THE WORK: RippleX is dedicated to empowering the builders of tomorrow on the XRP Ledger (XRPL), one of the world’s fastest and most reliable public blockchains. We believe in democratizing the digital economy by providing practical support, empowering a community of developers, and offering the expertise of a visionary technology company. The XRPL is a...

ABOUT US: LSEG (London Stock Exchange Group) is a world-leading financial markets infrastructure and data business.  We are dedicated, open-access partners with a commitment to excellence in delivering services across Data & Analytics, Capital Markets, and Post Trade.  Backed by three hundred years of experience, innovative technologies, and a team of over 23,000 people in 70 countries, our purpose is driving financial stability, empowering economies, and enabling customers to create sustainable growth. ROLE PROFILE: Are you passionate about making developers' lives easier, faster, and more fulfilling? Do you dream of streamlining workflows, squashing bugs, and fuelling innovation? We're on a mission to supercharge our engineering culture by building a world-class Developer community that's the envy of the industry. In this role, you'll be joining our Engineering Team within Engineering Excellence & Productivity (EXP) as...