55 senior software engineer jobs found in London

Location(s): Minster Building, 21 Mincing Lane, 2nd Floor, London, EC3R 7AG, GB Line Of Business: Platform Engineering(PE) Job Category: Engineering & Technology Experience Level: Experienced Hire At Moody's, we unite the brightest minds to turn today’s risks into tomorrow’s opportunities. We do this by striving to create an inclusive environment where everyone feels welcome to be who they are-with the freedom to exchange ideas, think innovatively, and listen to each other and customers in meaningful ways.  If you are excited about this opportunity but do not meet every single requirement, please apply! You still may be a great fit for this role or other open roles. We are seeking candidates who model our values: invest in every relationship, lead with curiosity, champion diverse perspectives, turn inputs into actions, and uphold trust through integrity.  Skills and Competencies Object-Oriented Programming: Proficient in at least one OOP...

End Date Monday 23 June 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 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 make this data available...

End Date Wednesday 25 June 2025 Salary Range £81,999 - £122,999 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 Share Job Description Summary . Job Description JOB TITLE:  Senior Software Engineer 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 We’re already the UK’s leading Digital Bank and biggest mobile bank with nearly 14 million active online customers across our brands. Now we're on a journey to build the bank of the future, for which we're investing £3bn across platforms, people and data capabilities to truly become the best bank for customers! The Platform Engineering team is on a mission to create the next...

End Date Wednesday 25 June 2025 Salary Range £81,999 - £122,999 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 Share Job Description Summary . Job Description JOB TITLE:  Senior Software Engineer 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 We’re already the UK’s leading Digital Bank and biggest mobile bank with nearly 14 million active online customers across our brands. Now we're on a journey to build the bank of the future, for which we're investing £3bn across platforms, people and data capabilities to truly become the best bank for customers! The Platform Engineering team is on a mission to create the next...

About Citi Citi is a world-leading global bank. We have approximately 200 million customer accounts and a presence in more than 160 countries and jurisdictions worldwide. We provide consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. We enable clients to achieve their strategic financial objectives by providing them with cutting-edge ideas, best-in-class products and solutions, and unparalleled access to capital and liquidity. About the team The Equity Technology organization is undertaking a multi-year investment to completely re-engineer the front office technology platform, to support business expansion plans to close the gap to competition. Citi Investment Strategies (CIS) Engineering group comprises four teams. SolstiCE team is responsible for development, maintenance...

Overview Citi is a world-leading global bank. We have approximately 200 million customer accounts and a presence in more than 160 countries and jurisdictions worldwide. We provide consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. We enable clients to achieve their strategic financial objectives by providing them with cutting-edge ideas, best-in-class products and solutions, and unparalleled access to capital and liquidity. You will join the Equity Derivatives technology team in London, specializing in developing and supporting the pricing platform that provides underlying asset prices for Global Equity Derivatives business. This team is a key partner to the markets business and has been a major contributor to its success.  What We do / The Team As a Senior Software...

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 you Bring...

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,...

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...

Role Purpose We are looking for a Senior Software Engineer who will lead a product-focused engineering team, collaborating with a Product Owner, business stakeholders, and third-party partners. The position is crucial in IT Development, involving team leadership, solution delivery, and technical guidance, particularly in finance and operations systems. The ideal candidate is a technically skilled leader, passionate about mentoring engineers, driving delivery, and working hands-on with a Microsoft-based technology stack. Requirements Key Responsibilities   Lead a team of software engineers aligned to the Finance Automation team (Automation and Insights) product squad. Take ownership of technical delivery across both internal development and third-party suppliers, ensuring quality, timeliness, and alignment with business goals. Collaborate closely with business stakeholders across Finance, IT, and Operations. Ensure high standards of software design, development,...

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 commitment 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...

Senior Java Developer – FX Technology London (AVP) About Citi As the world’s most global bank, Citi gives you the tools to be a trailblazer. We’re not just building technology; we’re building the future of banking. With thousands of employees located around the globe, we are an international team encompassing a broad range of teams, roles, and cultures, and we invite you to come and join us! Citi’s technology team supports business operations in 100+ countries, across multiple lines of business spanning both Institutional and retail businesses. The group works to optimize the IT environment by standardizing production platforms, reducing complexity, and introducing innovative solutions that provide new business capabilities, reduce total cost of ownership, and create a competitive advantage for Citi. We want to regularly engage with talented individuals who are passionate about producing clean, testable code as part of a high performing team. We have found this to be way...

Senior Java Developer – FX Technology London (VP) About Citi As the world’s most global bank, Citi gives you the tools to be a trailblazer. We’re not just building technology; we’re building the future of banking. With thousands of employees located around the globe, we are an international team encompassing a broad range of teams, roles, and cultures, and we invite you to come and join us! Citi’s technology team supports business operations in 100+ countries, across multiple lines of business spanning both Institutional and retail businesses. The group works to optimize the IT environment by standardizing production platforms, reducing complexity, and introducing innovative solutions that provide new business capabilities, reduce total cost of ownership, and create a competitive advantage for Citi. We want to regularly engage with talented individuals who are passionate about producing clean, testable code as part of a high performing team. We have found this to be way...

Programme Management Officer in the Business Change Delivery team to support the CDSClear Delivery function.  PMO to support the Delivery Team in the management of the programme against >€20m annual budget. The role will support the Change function and work with key internal stakeholders including PMO, Operations, Technology, Risk, Product, Legal and Compliance and track against key project pillars Cost, Quality and Time.  Key Responsibilities Planning (Programme and Sprint), management, coordination, change control and  financial control of project delivery. Produce program management periodic reporting to senior stakeholders working in tandem with the Program Management Team and Business Delivery Tracking progress against plan, managing risk, issues and dependencies Facilitation, tracking and production of Steering Committee artefacts and board presentations. Assist Business Delivery managers with the production of materials for external stakeholders Resource...

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,...

Role Purpose LSEG Regulatory Reporting is the London Stock Exchange's regulatory reporting, matching and reconciliation solution provider.   LSEG Regulatory Reporting customers are investment banks, hedge funds, brokers and other financial services firms. LSEG Regulatory Reporting provides business solutions in the areas of: Regulatory Reporting with MiFIR, EMIR, G20 and other regimes Provision of reference data (especially financial instruments data) Reconciliations (cash/stock, front-back office, exchange recs, etc.) and Operational post-trade services in the fields of: confirmations communication and matching for multiple asset classes, communication of orders, hedges and give-ups for equity swaps and other derivatives Analytics and surveillance of the data above Typical users sit in Trade Support or Regulatory Operations functions and the typical buyer would be a senior Trade Support/Regulatory Operations or Compliance person. The culture of the LSEG...

SDET - Product Integration Engineer – HPA Tech – London (AVP) The role based in London specializing in product integration that includes developing automation test scripts , product usage demos and sample use cases along with integrating observability or devops tools. This role  requires advanced technical skills as a Senior Developer in Product Integration front. The role will require effective coordination with Technology, Product Leads and Business users in London to understand and ratify requirements during each phase of the application development lifecycle and then drive the automated and manual functional testing of critical business deliverables and tech mandatory change to deliver bug-free software quickly and accurately to Production.  As well as being a hands-on developer in test, the role will also require pro-active leadership of a global team of automation & Dev ops engineers. A successful candidate will use their strong knowledge in markets business,...

Job Title: Senior Operations Manager Job Profile: Senior Manager, Operations 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 commitment 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...

We are seeking an experienced and strategic-minded Senior Manager Developer AI Solutions to join our engineering leadership. This role is crucial in ensuring our AI development processes, tools, and infrastructure are optimised for efficiency, reliability and scalability. The ideal candidate will have a deep technical background, coupled with excellent leadership and management skills. You will be responsible for overseeing our AI & DevOps teams and driving continuous improvement across our AI development lifecycle Essential Skills Strong expertise in AI/ML engineering practices: ability to work with large, complex datasets, experience with data pipelines Hands-on experience with cloud platforms (eg: GitLab, AWS, Azure) and tools for scalable AI solutions (eg. Docker, Kubernetes) General understanding of Databases Proven ability to design and manage CI/CD pipelines for AI models, monitoring and automation of AI workflows Knowledge of AI-related data privacy,...