74 platform engineer jobs found

Platform Engineer Technology Directorate Permanent Full time Location - Leeds or London Job Description This is an opportunity to do meaningful platform engineering work inside one of the UK's most critical technology environments. RTGS settles on average £800bn per day and is Critical National Infrastructure - the developer experience and CI/CD platform your team builds and operates is what RTGS delivery teams depend on to build, test, secure, and release software safely and consistently. As a Platform Engineer in the Developer Experience team, you will be a hands-on technical contributor, working on the services that underpin how software is built and delivered across RTGS Technology - including build pipelines, release processes, artefact management, and developer tooling. The Developer Experience platform is provided as a shared service - enabling RTGS delivery teams to build, test, and release their software independently, consistently, and to the...

Platform Engineer Technology Directorate Permanent Full time Location - Leeds Job Description This is an opportunity to do meaningful platform engineering work inside one of the UK's most critical technology environments. RTGS settles on average £800bn per day and is Critical National Infrastructure - the developer experience and CI/CD platform your team builds and operates is what RTGS delivery teams depend on to build, test, secure, and release software safely and consistently. As a Platform Engineer in the Developer Experience team, you will be a hands-on technical contributor, working on the services that underpin how software is built and delivered across RTGS Technology - including build pipelines, release processes, artefact management, and developer tooling. The Developer Experience platform is provided as a shared service - enabling RTGS delivery teams to build, test, and release their software independently, consistently, and to the standard...

Platform Engineer (Runtime), RTGS Technology Location: Leeds or London Job Description This is an opportunity to do meaningful platform engineering work inside one of the UK's most critical technology environments. RTGS settles on average £800bn per day and is Critical National Infrastructure - the runtime platform your team builds and operates underpins how systems are deployed and run safely across RTGS Technology. As a Platform Engineer in the Runtime team, you will be a hands-on technical contributor, working on the container orchestration and runtime infrastructure - including platforms such as Kubernetes and OpenShift - that delivery teams depend on to build, deploy, and operate their services reliably in production. The runtime platform is provided as a shared service - enabling RTGS delivery teams to deploy and operate their services independently. This role follows a "you build it, you own it model". You are responsible not just for delivering...

Lead, Software & Platform Engineering 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 EMEA, North America,...

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...

Location: London Description Work for an organisation steeped in history with a front row seat for the digitalisation of the financial sector, and the rise of fintech and regtech. A core organisational strength, with our people at our centre, Technology enables the Bank of England to deliver its mission by providing a diverse set of technical solutions and platforms. From supporting critical systems which underpin the UK economy, to evolving data analytics, reinventing our online presence, and introducing a fully digital workplace. Be part of a team that's constantly evolving, just like our industry. We take pride in our people, with backgrounds and experiences as diverse as the solutions they provide. You'll enjoy flexible working opportunities, a strong sense of community and well-being, and a collective mission to promote the good of the people of the UK. All of which add up to make the Bank a hugely rewarding place to work.    Role Requirements...

Job Overview We are Citi's Application, Platform and Engineering team, a start-up with the exciting mission of shaping the direction of travel for the entire bank under the Chief Technology Office, by defining the tech and engineering strategy for the bank. We are a team of talented engineers, product managers and tech SMEs, taking ambiguous concepts and making them real by engineering cutting edge products at planetary scale! We are solely focused on the most modern technology and engineering disciplines such as generative AI, cloud, security, modern app stacks (with Golang, Gatekeeper), open source and the latest and greatest in the Kubernetes ecosystem.   Generative AI is a growing space, as a result, we ask that you share with us any specific AI engineering projects utilising LLMs that you're proud of in your application. Ideally these projects should show off complex and clever architectures or a systematic evaluation of an LLM's behaviour.   You might be a good fit if...

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...

End Date Thursday 09 July 2026 Salary Range £92,701 - £109,060 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 Infrastructure Engineer (Cloud & Compute Security) SALARY: £92,701 - £115,000 per annum LOCATION: Leeds, Bristol, Edinburgh, Manchester, 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 one of our office sites. Colleagues with disabilities can be supported with workplace adjustments including hybrid working expectations in line with our Flexibility Works policy.  What you’ll be doing… The Chief Security Office (CSO) is a vital part of delivering the Group's vision of putting customers at the heart of everything we do, helping Britain prosper and protecting the Group and...

Join Citi’s AI Product & Platform team, a high-growth engineering group operating with a start-up mentality inside one of the world’s largest financial institutions. Working within the Chief Technology Office, you’ll help build the next generation of AI-powered products and platforms that will shape how technology is delivered across the bank. This is an opportunity to work at the forefront of Generative AI, cloud-native engineering and distributed systems, building scalable solutions from the ground up while collaborating with some of the industry’s most talented engineers and AI specialists.   Key Responsibilities Design and build AI-powered products and platforms using Golang. Develop high-performance backend services and APIs that operate at enterprise scale. Build and enhance internal developer tools, frameworks and reusable components. Partner with product, engineering and AI teams to turn innovative ideas into production-ready solutions. Contribute to the design...

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...

Contract type: Permanent Location: Alderley Park Working style: Hybrid 50% home/office based   We are seeking expertly skilled and experienced Software Developer Engineer in Test to play a central role in building amazing digital solutions for our customers and business users.  The team will be focussed on delivering a new state-of-the-art investments platform, an undertaking that is expected to take several years.   About the role   Expert in web automation frameworks such as Selenium and Playwright. Expert developer in Typescript, JavaScript and HTML. Expert in identifying and defining test scenarios and scripts. Experienced with full-stack digital web stacks utilising Angular, GraphQL and REST API microservices. Experienced with databases such as MongoDB and Oracle. Experienced in cross browser testing tools and accessibility testing. Experienced in agile delivery and iterative software development and release practices. Rigorous...

Contract Type: Permanent Location: Edinburgh or Glasgow or Alderley Park (Wilmslow) Working Style: Hybrid - 50% from home / 50% office based   The Senior Sonata SME provides specialist knowledge and guidance across the Bravura Sonata platform, ensuring the platform is effectively designed, configured, enhanced, and operated in alignment with business and technology objectives. The role acts as a key advisor and subject matter expert across product configuration, platform capability, solution design, business process alignment, change delivery, and continuous improvement. The Senior Sonata SME works closely with technology teams, business stakeholders, delivery teams, and external vendors to ensure Sonata remains stable, scalable, and fit for purpose.   Key Responsibilities:   Solution Design, Configuration & Change Delivery Provide Sonata expertise across platform enhancements, projects, and strategic initiatives. Translate business requirements...

End Date Monday 27 July 2026 Salary Range £69,624 - £104,436 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: £69,624 - £105, 780 LOCATION(S): London, Edinburgh, Bristol, Manchester, Birmingham or Leeds HOURS: Full-time WORKING PATTERN : Our work style is hybrid, which involves spending at least two days per week, or 40% of our time, at one of our office sites. Colleagues with disabilities can be supported with workplace adjustments including hybrid working expectations in line with our Flexibility Works policy.  What you’ll be doing We’re looking for a Lead Software Engineer to join our Enterprise & Accounting Lab to develop and deliver innovative payment solutions and services for our customers and business. The Enterprise & Accounting Lab...

End Date Thursday 30 July 2026 Salary Range £92,701 - £109,060 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: Responsible AI Lead SALARY: £90,440 - £110,000 per annum LOCATION: Manchester 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 Manchester office. About this opportunity… Exciting opportunity for a hands-on Responsible AI Lead to join our Voice, Workforce Intelligence Lab. You’ll lead a cross-functional team to build and evolve our telephony and digital platforms. This is a technical team lead role combining technical depth with people leadership. As a senior leader in the lab, you will provide technical leadership in shaping and delivering next-generation...

The Post Trade Division in LSEG has launched a Data Transformation program called Concorde. The objective is to have a new, centralized, and secure way to manage Post Trade data on cloud native technology in AWS and Snowflake. The operating model is a federated model with Core Engineering teams based in London/Bucharest and Engineers based in each Business division to lead the implementation of tenancies on AWS/Snowflake. Key Responsibilities: As a Data Engineer for Concorde you will be a key operational and hands-on engineer delivering Business tenancies for Risk Store as part of the data platform strategy execution across all areas of the business.  You will act as a member of the Concorde program and work with product teams across Risk to design and implement modern, scalable data solutions using a range of new and emerging technologies contributing to innovation in the data space. You will work on developing and supporting the AWS & Snowflake based cloud data...

Manager, Data Engineering Lead SwapClear and Listed Rates, LCH Ltd, London LCH, SwapClear and Listed Rates LCH Ltd is an international multi-asset class central counterparty clearing house (CCP), part of the London Stock Exchange Group.  LCH Ltd serves a broad range of exchanges and over-the-counter trading platforms providing critical risk management services.  It has a unique membership model and its customers span the globe and include major financial groups (including the majority of the major investment banks), broker-dealers and specialist commodity houses and a wide range of buy-side and real-money firms including major asset managers and large hedge funds. This role provides an opportunity to work on one of the most critical finance technology functions in the world. The LCH CCP is systematically significant to the world’s financial markets which requires technology that has to be very resilient and with strong controls. LSE Group also provides a chance...

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech. What We do / The Team: Markets Operations Technology is going through an exciting phase of transformation in margin and collateral domain. We are re‑engineering our technology estate to achieve world‑leading performance and resiliency, enabling new capabilities in advanced execution, global market...

Full Stack Engineer (Java or C# /React or WPF) – VP Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech. What We do in Equities Tech Equities Technology at Citi is undertaking a bold, multi‑year transformation to build a best‑in‑class global platform across execution, prime, clearing and cross‑product margining. We are re‑engineering our technology...