150 systems engineer jobs found in London

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 Systems Engineer in Palantir’s Technical Operations group, you’ll be joining a team that is the focal point for every major business workflow and decision at Palantir. You will be responsible for designing, building, and maintaining the infrastructure foundational to Palantir’s business operations, including financial reporting, sales, and personnel management. You’ll partner with our internal and external stakeholders to adapt industry tools to Palantir’s evolving needs, as well as expanding our use of Palantir Foundry and AIP for internal workloads. In this role, you’ll provide technical expertise and vision to key stakeholders. A typical day could...

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...

Job Description (Job advert content) ABOUT US: LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, manage risk and create jobs. It’s how we’ve contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. Through a comprehensive suite of trusted financial market infrastructure services – and our open-access model – we provide the flexibility, stability and trust that enable our customers to pursue their ambitions with confidence and clarity. LSEG is headquartered in the United Kingdom, with significant operations in 70 countries across EMEA, North...

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. 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 Site Reliability Engineer to join our Core team to encourage infrastructure best practices across our organization that would allow to securely scale a distributed financial platform that touches millions of people a day. Our distributed financial platform tackles some of the most interesting...

Job Title Quant/Model Developer: Risk Job Description So, who are we? Hello, we're IG Group. We are an FTSE250 FinTech that run 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 product for our customers and grow our user base. We believe in high autonomy, and we want people who are looking to do things differently in order 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 The Quant Risk Team and Financial Risk Team is responsible for the end-to-end management of IG Group’s credit, market, capital and liquidity risk profiles . The Team designs, develops...

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....

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....

LSEG and Microsoft have entered an exciting strategic partnership for the development of next-generation data, analytics and cloud infrastructure solutions. Our customers’ needs are evolving and so are financial markets. This partnership will transform the way customers discover, analyse and trade securities around the world. It will also advance our cloud strategy and build the improved resilience, efficiency and agility that our customers need. All of Microsoft’s customers will also have access to our data and analytics capabilities through a single flexible infrastructure that is intuitive and responsive. If you are interested in being a part of this dynamic strategic partnership, we look forward to considering your skills and experience. ROLE PROFILE: The Tech Lead, Quantitative Analytics Engineering role will manage a group of quantitative analytics application developers and consulting partnerships to design, build and deliver Analytics product solutions for a global...

The CISO organization protects the information assets of LSEG through managing risk, deploying effective security risk framework and ensuring regulatory compliance. This role will sit within the Data Loss Prevention (DLP) Team which is part of Global Security Operations Centre. This team is responsible for ensuring that sensitive and confidential data detection and prevention controls are appropriate and in line with LSEG security policies. It is also responsible for identifying opportunities to streamline our support processes and enhancements that can be made in our systems. The candidate will ideally have a technical background, with a deep understanding of Data Loss Prevention and information classification. Alongside the team, the role involves working with GSOC and other teams. The candidate will have knowledge of the DLP technologies and capabilities used in an enterprise, and increasingly cloud based environment. Key Functions of the role: Hands-on...

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 a Technical Lead. Developer Platforms’ mission is to: Enable rapid developer onboarding to LSEG developer tools, ensuring they become productive quickly to build applications on their chosen Cloud platform Improve Developer Experience by increasing their ability to improve cadence of delivery of new features Unlock Developer Capacity and enable greater Innovation by modernising tooling and processes Ensure that development on the integrated platform is both secure and compliant by design Tech Profile/Essential Skills Good knowledge of...

Security Architecture – Secure Design Team Role: Manager – Principal Security Architect: Secure Design (Individual Contributor) Grade: GG14 The Security Architecture Design team is responsible for developing Security Architecture patterns, developing security controls needed for new technology, promoting the use of the architectural patterns into development projects, leading the Security Architecture Design Forum, Evaluating architectural security risks in existing systems, consulting with system development teams and architects on building security into their design. This key task of this role is accelerating the delivery of secure design artefacts and leading secure design interventions - by adding capacity and capability to the team. Reports to: Senior Manager – Secure Design Key Relationships Business Aligned Principal Security Architects CyberSecurity Engineering CyberSecurity Testing and Vulnerability Management Cloud Security Identity Management...

Role Purpose As Group Director, Head of Security Architecture, you’ll be a core member of the LSEG Cyber Security team. You’ll lead and set the direction for the Cyber Security Architecture team which delivers across a number of areas: Principal Security architecture – a team of engineers who ensure security is build in to all projects across the group. Each architect is aligned to our business units and builds a deep relationship with the teams in that unit. Security Architecture Design – a central function that delivers design patterns to ensure a consistent implementation of our controls across the group. This team researches new technologies, and provides guidance on how to secure them. They also run a project to provide a risk posture review across the application portfolio against our standards. This team also runs design forums, assists in policy and standard creation, and provides consulting on hard security problems as needed. Security Architecture review – a...

Senior Data Engineer, SwapClear  JOB DESCRIPTION ABOUT US: LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, manage risk and create jobs. It’s how we’ve contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. Through a comprehensive suite of trusted financial market infrastructure services – and our open-access model – we provide the flexibility, stability and trust that enable our customers to pursue their ambitions with confidence and clarity. LSEG is headquartered in the United Kingdom, with significant operations in 65 countries across...

The LSEG DevSecOps Engineering team inside the cyber security division is looking for Senior Software Engineers to build tools and automations to help secure software development for thousands of developers across the group.   You will be working as part of a geographically distributed remote team comprising of security engineers and software engineers. Our team’s mission is to allow engineers to embed security best practices frictionlessly as part of their day to day work.   The ideal candidate will have the following skills:  Deep understanding of cyber security principles, secure software development, and threat modeling Experience conducting security assessments, code reviews, and vulnerability management across diverse technology stacks Experience in building full-stack products (web applications, APIs, CI tooling or low-level software)  Hands-on experience with cloud technologies (AWS, GCP, Azure) and containers (Docker, Kubernetes), with a focus on...

About us: LSEG (London Stock Exchange Group) is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth. Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, manage risk and create jobs. It’s how we’ve contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. Through a...

Are you ready to dive into the fast-paced world of ground-breaking finance and technology? If you have a passion for innovation, a thirst for challenge, and a love for all things fintech, then look no further! Join SwapClear, the world’s largest swaps clearing platform, responsible for clearing over 90% of global interest rate swap trades. This is your chance to join the biggest and one of the most influential clearing house in the world, shaping the future of global financial markets. We at SwapClear, LSEG continue to look toward new technology to drive our high-performance real-time systems and deliver elite clearing platforms to our clients. Crucial to meeting these challenges is a strong automation pipeline to rapidly develop, test, and deploy our real time systems to quickly meet the demands of the marketplace. As a DevOps Engineer you will join a team responsible for the full CI/CD pipeline and observability platform which sits in the critical path of...

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 hands-on dynamic software development leader to drive a team of software engineers building robust equity index capabilities and indexes. The candidate demonstrates an understanding of the index construction process or a significant market data knowledge, combined with a solid, global,...

Are you a hands-on data scientist with deep expertise in NLP and LLMs, strong Python coding skills, and a track record of deploying models to production? Do you thrive in building real-world AI solutions that are used by actual customers? If so, we’d love to talk to you! Role summary: As a Principal Data Scientist (individual contributor), you will play a hands-on role in designing, building, and deploying scalable AI solutions that go beyond prototypes and are actively used in production. You’ll work closely with collaborative teams to co-develop innovative products for financial markets and professionals. We’re looking for someone who combines deep technical expertise in NLP and LLMs , strong Python engineering skills , and real-world experience shipping and supporting models in production . You should be comfortable owning delivery timelines and ensuring that solutions meet business needs and production-grade standards. What you'll be doing: This...

End Date Wednesday 31 December 2025 Salary Range £104,686 - £190,898 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: Lead Software Engineer Salary: £90,440 - £106,400 Location: Edinburgh 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 Edinburgh Office.   About us     We’re on an exciting journey to transform our Group and the way we’re shaping finance for good. We’re focusing on the future, investing in our technologies, workplaces, and colleagues to make our Group a great place for everyone. Including you!   About this opportunity    Become a part of the Commercial Bank for Lloyds Banking Group and seize a unique chance to influence the future of digital banking. Our...

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 About HL and the opportunity. We’re building the next generation platform for one of the UK’s largest financial services companies, trusted by over 2 million clients and managing c.£150 billion in assets. This is your opportunity to shape technology that will redefine how people invest and achieve financial freedom. You will build our next generation Unified Client Experience (UCX) frontend that will streamline client journeys across a range of products and services, in both web and...

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 About HL and the opportunity. We’re building the next generation platform for one of the UK’s largest financial services companies, trusted by over 2 million clients and managing c.£150 billion in assets. This is your opportunity to shape technology that will redefine how people invest and achieve financial freedom. You will build our next generation Unified Client Experience (UCX) frontend that will streamline client journeys across a range of products and services, in both web and...

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. As a Senior Dev Ops engineer you should have a strong background in modern automation tooling and processes as well as experience maintaining clustered applications. Additionally, you should be experienced in owning issues through to completion by working proactively with project teams. Primary Responsibilities: Build code to provision the full stack from infrastructure through to application Deploying, automating, maintaining, and managing DevOps...

ABOUT US: LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, manage risk and create jobs. It’s how we’ve contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. Through a comprehensive suite of trusted financial market infrastructure services – and our open-access model – we provide the flexibility, stability and trust that enable our customers to pursue their ambitions with confidence and clarity. LSEG is headquartered in the United Kingdom, with significant operations in 70 countries across EMEA, North America, Latin America and Asia Pacific. We employ...

ABOUT US: LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, manage risk and create jobs. It’s how we’ve contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. Through a comprehensive suite of trusted financial market infrastructure services – and our open-access model – we provide the flexibility, stability and trust that enable our customers to pursue their ambitions with confidence and clarity. LSEG is headquartered in the United Kingdom, with significant operations in 70 countries across EMEA, North America, Latin America and Asia Pacific. We employ...