227 platform engineer jobs found in London

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 build sustainable growth. ROLE SUMMARY: In this role, you will be joining our Azure Engineering team within Cloud Engineering, Corporate Technology and Cloud (CT) as an Azure Platform Engineer (Azure) . This team focuses on building, developing, and supporting our Azure cloud platform to accelerate the time-to-market of innovative finance products.  In collaboration with Microsoft, we strive to transform how LSEG uses the cloud platform. Engage in designing, developing, and...

Principal Platform Engineer (Azure) – Cloud Productivity & Engineering (CPE) Company Profile LSEG (London Stock Exchange Group) is a world-leading financial markets infrastructure and data business.  We are dedicated, open-access partners with a dedication 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 (CPE) as a Principal Platform Engineer (Azure) . This team focuses on building, developing, and supporting our Azure cloud platform (as a product) to accelerate the time-to-market of innovative finance products. In collaboration with Microsoft, we aim to...

Company P rofile     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 Senior Lead Platform Engineer . This team focuses on building, developing, and supporting our Azure cloud platform to...

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 (CPE)   as a   Senior   AI Platform Engineer . In collaboration with Microsoft, this team focuses on building, developing, and supporting our Azure cloud platforms to accelerate the time-to-market of innovative finance products. As part of the AI Platform Engineering squad, you will implement, optimise and scale innovative AI workloads...

Company Profile 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 (CPE)   as a   Senior   Platform Engineer . In collaboration with Microsoft, this team focuses on building, developing, and supporting our Azure cloud platforms to accelerate the time-to-market of innovative finance products. As part of the AI Platform Engineering squad, you will implement, optimise and scale innovative AI workloads...

Lead Platform Engineer, Mgr – Cloud Productivity & Engineering (CPE) Company Profile 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 (CPE) as a Lead Platform Engineering, Manager . This team focuses on building, developing, and supporting our Azure cloud platform to accelerate the time-to-market of innovative finance products. In collaboration with Microsoft, we aim to transform how LSEG leverages...

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, and is the technology that was built to power Starling Bank. Engine split out as a separate business in early 2024.  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....

Platform Engineer ABOUT THE COMPANY: Maven is a market-leading proprietary trading firm that allocates internal capital across discretionary, systematic, and market-making strategies. Our collective expertise spans traders, engineers, and technologists, unified by an unwavering dedication to enhancing our efficiency as a premier liquidity provider for globally listed derivatives. We leverage groundbreaking execution and pricing technologies to elevate and improve financial markets' operations. OVERVIEW As a global firm with trading strategies that operate worldwide, we want to create and maintain a globally consistent platform, removing as much work as possible from our trading and development teams when building, developing and running their applications. We are looking for an experienced technical operations specialist, DevOps engineer, or Platform Engineer to join a small existing team and help shape this vision. The individual will have operational...

Job Title Staff Platform Engineer (AWS/GCP) 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   Our Container Engineering  Team is instrumental in designing, implementing, and maintaining our container infrastructure in AWS, GCP and Nomad, while creating tools that...

Developer Platforms Engineer Company Profile 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...

🚀 We’re on a mission to make money work for everyone. We’re waving goodbye to the complicated and confusing ways of traditional banking. After starting as a prepaid card, our product offering has grown a lot in the last 10 years in the UK. As well as  personal and business bank accounts, we offer joint accounts , accounts for 16-17 year olds , a free kids account and credit cards in the UK, with more exciting things to come beyond. Our UK customers can also save , invest and  combine their pensions with us.  With our hot coral cards and get-paid-early feature, combined with financial education on social media and our award winning customer service, we have a long history of creating magical moments for our customers! We’re not about selling products - we want to solve problems and change lives through Monzo ❤️ Hear from our UK team about what it's like working at Monzo ✨ 📍London / UK Remote | 💰 Senior Engineer £97,000 - £130,000 + stock options +...

The Trading Infrastructure team is building a high-performance, front-to-back Trading Platform that supports multi-asset trading. The platform is designed to handle financial instruments with low-latency execution, robust risk controls, and seamless integration across trading, risk, operations, and finance workflows. The system is built with a modular architecture encompassing core components such as market data feeds, order gateways, execution algorithms, risk engines, UI dashboards, middle office reconciliation, and account infrastructure. We emphasize event-driven, deterministic system design, real-time observability, and strong security. Our tech stack includes Java (low-latency), Python, Web UI (React/Ag-Grid), Aeron, ClickHouse, Kubernetes, and modern CI/CD tooling, with a strong focus on automation, scalability, and performance. AI-assisted development tools are also leveraged to boost productivity and quality across the team.   Responsibilities Design,...

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 team player with a desire to learn and grow with us, someone who can work harder, faster, and smarter to deliver tangible results and process improvements.  WHAT YOU WILL DO  Build low latency, scalable and highly performant trading services in RUST including Order Management System (OMS), exchange gateways, risk management systems, etc. Enhance and maintain OMS functionality, ensuring...

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...

As a Principal Engineer, you will provide engineering solutions for unified policy engine platform's development, implementation, and optimisation. Your mission is to build flawless, secure, scalable, and efficient enterprise cloud compliance solutions. You will collaborate with multifunctional teams, embrace DevSecOps practices, leverage Infrastructure as Code (IaC) tools like Terraform, and promote the shift-left approach. Your role spans the entire project lifecycle—from assembling requirements to production deployment—and includes generating and refining developer-focused resources such as cloud architecture patterns, CI/CD pipeline templates, automated testing, and code scanning. Key Responsibilities and Accountabilities: Develop and implement enterprise-level operating models, and workflows. Responsible to collaborate with Cyber and Risk teams for security control definitions, and author & implement policies into native cloud platforms/policy tools. Implement...

Job Title Platform Security Engineer 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   The Platform Security team is responsible for supporting, maintaining , automating, and improving our IT Security platforms. You will ensure IG’s security platforms...

End Date Tuesday 24 June 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: BI Platform Engineer SALARY: From £70,929 dependent on experience and location LOCATION: London or Bristol HOURS:  Full time   WORKING PATTERN: Hybrid, 40% (or two days) in an office location listed above About this opportunity Join our Analytics & AI Platform - the hub for enabling Analytics & AI within the organisation. This role sits within the Business Intelligence as a Service (BIaaS) lab, an enablement function focused on delivering our vision for the future of BI. The keyword being "Enablement", therefore this role is NOT about developing BI Dashboards, Visualisations / Reports / Analytics, but about BI Platform Engineering which includes the Design, Build,...

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...

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...

The TP ICAP Group is a world leading provider of market infrastructure. Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and distribution of data, through responsible and innovative solutions. Through our people and technology, we connect clients to superior liquidity and data solutions. The Group is home to a stable of premium brands. Collectively, TP ICAP is the largest interdealer broker in the world by revenue, the number one Energy & Commodities broker in the world, the world’s leading provider of OTC data, and an award winning all-to-all trading platform. The Group operates from more than 60 offices in 27 countries.  We are 5,300 people strong.  We work as one to achieve our vision of being the world’s most trusted, innovative, liquidity and data solutions specialist. Role Overview The Global Analytics team is responsible for developing and maintaining Price Discovery...

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...

Job Title: Data Engineer Team Lead Overview:  This pivotal role within the FTSE Russell Data and Distribution team is important for a new company-wide data initiative. As the Data Engineer Team Lead, you will oversee a small team of 4-5 Data Engineers. Your team will be responsible for identifying, collecting, and interpreting critical business data across the organization. Additionally, you will build reports using PowerBI and SSRS. This role requires a confident leader who can also contribute individually. The FTSE Russell data platform is an Iceberg-based Lakehouse running on AWS, with Python as the core development language. To excel in this role, you must have expert-level experience in AWS, Python, SSRS, PowerBI, and data management. Key Responsibilities: Collaborate with Product Managers and business leaders to identify potential data sources. Work with business users to understand data requirements and plan the integration into the Lakehouse. Refine and collate...