71 senior software engineer jobs found

End Date Thursday 24 September 2026 Salary Range £63,152 - £94,728 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: £63,152 -£75,000 LOCATION: Edinburgh HOURS: Full-time WORKING PATTERN: Hybrid – spend at least two days per week (or 40%) in our Edinburgh office. About this opportunity Join our Digital Finance Lab and help shape the future of payments and digital assets at Lloyds Banking Group! We're looking for a Senior Software Engineer to help design, build and evolve modern payment solutions that are secure, scalable and centred around customer needs. You'll work within the Payments Services Platform team, contributing to services that enable millions of customers and businesses to move money safely, quickly and confidently. This is an opportunity...

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, Latin America and Asia Pacific. We employ...

Contract type: Permanent Location: Alderley Park Working style: Hybrid 50% home/office based Closing date: 17th September 2026   We have an exciting opportunity for a Senior Software Engineer to join Royal London’s Digital Area. In this role, you’ll use your technical expertise to help design, develop, test and implement high-quality software solutions that meet business and customer needs.  About the role   You’ll design and develop digital solutions that meet business and customer requirements. You’ll deliver complex changes within your technical area, including assessing impacts on existing applications. You’ll document and agree designs in advance, working to agreed standards and ways of working closely with architecture and other teams to design the best solutions. You’ll collaborate with the wider team, contribute ideas, and review others’ work to improve overall quality.     About you   You’ll be a positive...

Contract type: Permanent Location: Edinburgh Working style: Hybrid 50% home/office based Closing date: 18th September 2026   Job Summary Royal London is seeking an experienced Senior Software Engineer to join one of our application delivery teams within the Digital space at Royal London. This role is focused on modern software and application engineering: designing, building and operating customer-facing and internal digital services with a strong emphasis on Azure-based application development using Angular and C#/.NET. You will be a senior member of a cross-functional squad, contributing to solution design and delivery while remaining hands-on. You will build high-quality, secure and resilient applications, support engineering best practice, and help develop less experienced engineers through mentoring and collaboration. This is an application-focused role, working closely with product, architecture, cloud and mobile teams to deliver valuable outcomes for...

About the Team The Enterprise AI Products team is a small, high-impact global team within the Citi COO/CTO organisation, dedicated to building innovative AI solutions for the wider bank.   We are at the forefront of Generative AI, delivering capabilities that enable safe and efficient use of Generative AI at scale. We create services, applications and libraries that power the use of Intelligent Document Processing to drive real-world business impact. The Role This is a senior role within a deliberately flat team structure. You will be expected to take ownership, bring fresh thinking, and collaborate closely with colleagues across disciplines to deliver outcomes that genuinely make a difference.   You will write bulletproof, production-grade code — not prototypes — to solve novel problems that sit at the frontier of applied Generative AI. Typical problem spaces you'll work on include intelligent data extraction from unstructured and semi-structured documents, content...

The Global Fixed Income Trade Processing (FiTP) Team is seeking a Senior Software Engineer (Java) with a proven track record of design and developing large, complex and distributed systems. This role is within the FiTP team in Belfast, United Kingdom.  The successful individual will ideally have a good knowledge of Fixed Income products and experience in building software systems to handle the capture and processing of high volume of such trades. In this fast paced environment you must be able to prioritize tasks, work within deadlines, taking a pragmatic and thoughtful approach, paying close attention to details. You will need to employ strong communication skills, necessary to effectively produce client solutions. This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required. Knowledge/Experience:  Bachelor’s degree with a relevant major (Computer Science, Information Technology,...

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. Moody’s is transforming how the world sees risk. As a global leader in ratings and integrated risk assessment, we’re advancing AI to move from insight to action—enabling intelligence that not only understands complexity but responds to it. We decode risk to unlock opportunity, helping our clients navigate uncertainty with clarity, speed, and confidence. 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...

Skills and Competencies 5+ years of software engineering experience designing, coding, testing, and operating production-grade backend services and cloud-native applications Strong coding proficiency in TypeScript, Python, C#, or similar technologies, with experience building scalable application programming interfaces, microservices, and distributed systems Practical experience building enterprise AI applications using large language models, including agents, retrieval augmented generation, orchestration frameworks, and model optimization Demonstrated ability to own services, components, or features end to end, from technical design through production deployment and ongoing operation with limited supervision Hands-on experience with cloud-native technologies, serverless applications, event-driven architectures, data pipelines, relational and NoSQL databases, vector databases, observability tooling, and automated deployment pipelines Solid understanding of algorithms,...

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. Moody’s is transforming how the world sees risk. As a global leader in ratings and integrated risk assessment, we’re advancing AI to move from insight to action—enabling intelligence that not only understands complexity but responds to it. We decode risk to unlock opportunity, helping our clients navigate uncertainty with clarity, speed, and confidence. 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...

Senior Software Development Engineer in Test (SDET) Location: London (Hybrid) | Practice Area: Technology & Engineering | Type: Permanent Advance your testing career while shaping digital finance with automation The Role Capco is growing our Engineering team and we’re looking for experienced SDETs with a passion for delivering innovative solutions in financial services. If you enjoy solving complex problems, working with cloud-native technologies, and collaborating in agile teams, we’d love to hear from you. As a Senior Software Development Engineer in Test (SDET) at Capco, you’ll contribute to high-impact, client-facing projects that shape the future of financial services. You’ll work alongside talented engineers, have access to industry-leading training, and get the opportunity to grow your skills across multiple platforms. You will also get the chance to work across different domains within FS & Energy. What You’ll Do Create, drive, and build...

About the Team Join Citi’s GenAI Common Platform Engineering team and help build the technology powering Citi Assist — a Generative AI assistant designed to transform how hundreds of thousands of Citi colleagues work. We’re building from the ground up, combining the scale and reach of a global bank with the mindset and pace of a technology start-up. You’ll work alongside talented engineers and AI specialists, with genuine ownership and the opportunity to shape how Citi builds and adopts GenAI safely and at scale.   The Role We’re looking for a data-focused Full-Stack Engineer to help make Citi Assist smarter, safer and better every day. You’ll build the systems behind testing, evaluation and feedback — turning real-world data into insights that improve the quality and performance of our AI products.   You’ll work across the stack, from React and data visualisation to backend services, APIs and data pipelines, owning features end-to-end and helping shape the technical...

The Senior Software Engineer is a hands-on individual contributor responsible for designing, building, and operating mission‑critical FX market infrastructure and matching platforms using C++ and Java. The role focuses on low‑latency, high‑throughput distributed systems with strict availability, resiliency, and data integrity requirements. This role owns technical outcomes for complex components and services, influences architecture and platform evolution, and provides deep expertise across development, testing, and production support. While not a line‑management role, it carries strong expectations for technical leadership, mentoring, and collaboration across engineering, architecture, and product teams. Key Responsibilities Design, develop, and maintain C++ and Java services supporting FX matching and trading workflows. Own technical delivery for key platform components, ensuring alignment with LSEG architectural principles, performance standards, and operational...

FTSE Russell | LSEG Technology 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 senior software engineer to be part a dynamic team of software engineers building all distribution capabilities of our index products to the financial community worldwide. The distribution platform encompasses the set of systems delivering our indexes to the...

Job Overview Citi is seeking a highly accomplished and visionary  SVP, Digital Assets Platform Engineering Lead  to spearhead the continued evolution of the  Citi Integrated Digital Assets Platform (CIDAP) . This is a senior leadership role requiring a rare combination of deep technical mastery, strategic thinking, and proven people leadership. The successful candidate will serve as both a technical authority and a team lead, guiding a high-performing group of engineers in the design, delivery, and operationalization of enterprise-grade blockchain and digital assets infrastructure at global scale. This individual will be a key voice in shaping Citi's digital assets engineering strategy, working at the intersection of traditional financial services technology and the emerging decentralized ecosystem. As a SVP leader, you will operate with a high degree of autonomy, influence cross-functional outcomes, and be accountable for the platform's technical direction, engineering...

End Date Thursday 08 October 2026 Salary Range £76,760 - £115,140 We support flexible working – click here for more information on flexible working options Flexible Working Options Hybrid Working Job Description Summary . Job Description JOB TITLE: Backend Software Engineer SALARY: £76,760 - £95,950 LOCATION: Hybrid (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 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… As a Backend Software Engineer, you’ll build elegant, performant, maintainable, operable and secure Golang microservices that power innovative financial products and services. You’ll collaborate closely with product, engineering and business stakeholders to deliver...

We are seeking a Lead Engineer to head the   next generation   XiP Compute Service (XCS 2 ) team .   The team works across both Java and Python, and   significant experience   in at least one of these languages is   required .   In this role you will design, build, and   maintain   the   future   engine room of Citi's enterprise-scale XiNG Platform (XiP) .   You will be working on a Greenfield build of a major new   component . The current generation of the product   is responsible for   1.5 billion risk   c alculations at Citi every day. The next generation of the product is expected to double the customer base and bring in huge new workloads.   You will work closely with other software engineers, DevOps, and our customers to define technical strategy and ensure the reliable, secure, and scalable operation of the platform.   Responsibilities:   Take   a lead in defining   the long-term strategic...

Senior Front-End Developer (React, TypeScript) - VP, FX Options Pricing   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.   The Opportunity We are seeking a highly skilled and motivated Senior Front-End Developer to join a critical greenfield program focused on transforming our electronic FX Options Trading business. This is a...

We are building the most consequential AI solutions in Funds Transfer Pricing and Financial Hedging platforms, and we are looking for a Senior AI Engineer to design & develop Agentic AI solutions for these domains. The ideal candidate is visionary engineer, passionate about architecting and building sophisticated AI agents from concept to production. In this position, you will be responsible for creating agentic solutions that automate complex workflows, enhance critical decision-making, and deliver scalable, cutting-edge technology at a global scale. Responsibilities: Advanced Agent and Model Development Design and orchestrate complex multi-agent systems  where autonomous agents collaborate, coordinate, negotiate, and delegate tasks to solve business problems that exceed the capabilities of a single agent. Design and implement advanced planning and reasoning capabilities  using techniques such as knowledge graphs for relationship-aware reasoning, rule-based...

End Date Monday 21 September 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: Senior Infrastructure Engineer Salary: £69,624 to £87,030 Location: Manchester Hours: Full-time Working Pattern: Hybrid – spend at least two days per week (or 40% of your time) at the above location. What you'll be doing We are modernising our infrastructure using Google Cloud, building platforms that are secure, resilient for customers, and simple and efficient for engineers to use. As a Senior Infrastructure Engineer, you will work as part of a collaborative, product‑focused team to design, build, operate and improve cloud infrastructure and services. You will contribute to meaningful products, support continuous improvement, and help deliver reliable and scalable...

End Date Monday 21 September 2026 Salary Range £47,120 - £70,680 We support flexible working – click here for more information on flexible working options Flexible Working Options Job Share Job Description Summary Level 3 will have all traits from Level 2 and, in addition, will have good understanding of Team application domain and technology used. Level 3 should be able to give effort estimates for simple changes. Job Description JOB TITLE: Software Engineer (Threat Intelligence Platforms)  SALARY:  £47,120 - £58,900 LOCATION: Edinburgh, Bristol or Manchester  WORKING PATTERN: Our work style is hybrid, which involves spending at least two days per week, or 40% of our time, at our office location.  About this Opportunity     Our Threat Intelligence Engineering team builds and maintains the platforms, integrations and automation that help turn intelligence into action. We work across a range of security and intelligence tooling,...