Senior Java Software Engineer jobs in Westminster

Citigroup Inc.

Senior Software Engineer - Margin Technology - Assistant Vice PresidentEngineer the future of global finance. At Citi, our Tech team doesn't just support finance – we help redefine it. Every day, $5 trillion crosses through our network. We operate in 180+ countries, deploying advanced AI and shaping

Aristocrat

Aristocrat in the City of Westminster seeks a Senior Software Engineer (Backend) to design and build scalable cloud-based services using Java and Spring Boot. This role demands strong technical execution, system design capabilities, and mentoring experience. Candidates should have 5–8+ years in soft

Citigroup Inc.

Citigroup Inc. is looking for a Senior Software Engineer in City of Westminster to engineer robust solutions in margin technology. This role involves building high-quality systems and closely working with product teams. A Bachelor's degree in computer science or engineering and proficiency in Java,

Aristocrat is seeking an experienced software engineer to design and maintain backend services using Java and Spring Boot in Westminster, UK. The role involves collaborating with various teams and mentoring junior engineers, ensuring the development of high-quality, production-ready software. Applic

Citigroup Inc.

Citigroup Inc. seeks a Principal Software Engineer in London, who will contribute to the development of a fully automated platform and work with passionate engineers to solve complex business problems. The ideal candidate will have a strong background in software development, cloud services, and a b

At Katanox we're looking for a Software Engineer to join our team. About KatanoxAt Katanox, we are building travel's growth engine. We provide financial and distribution infrastructure for the hospitality industry so accommodation suppliers and travel buyers can manage payments, reconciliation, dire

Aristocrat

What you'll do Design and implement high-quality, reusable, and scalable features in React Native for both SDK and Mobile Application layers.Help facilitate the complete lifecycle of the mobile application, applying React Native for both iOS and Android platforms.Develop and maintain a React Native-

A growing technology company is seeking a Software Engineer to help build and scale its platform that powers travel's growth. You will collaborate with product, design, and engineering teams to deliver high-impact features and improve system reliability and performance. The ideal candidate is experi

Overview Job Title: Senior Software EngineerLocation: London Victoria, HybridReports to: James Gaskin (Head of Platform)A bit about usAt nudge we believe people need to be in control of their finances. nudge puts you in control of your money. Combining behavioural psychology, data, and personalised

About LuneBlend frontend finesse with backend wizardry. The demand for sustainable logistics is growing and we are already working with leading innovators such as JAS Worldwide, Forto, Logixboard, and more. We are looking for an creative and strategic marketing manager to scale Lune's go-to-market i

Fanalysis

OverviewWe're building the go-to platform for real football fans, a centralised home where trusted and passionate supporters can share their voices, insights, and emotions without being drowned out by pundits or fragmented across social media. Our mission is to amplify the perspectives of those who

Citigroup Inc.

The Senior Java Full‐Stack Engineer is an experienced, individual contributor position responsible for designing, developing, and implementing high‐quality, end‐to‐end application systems and programs in coordination with the Technology team. The overall objective of this role is to drive applicatio

Citigroup Inc.

Citigroup Inc. is looking for a Senior Java Full-Stack Engineer in City of Westminster, United Kingdom. This individual contributor position involves designing and implementing high-quality application systems in a collaborative environment. The ideal candidate will have extensive experience (6-10 y

A leading financial wellness firm in London is seeking a Senior Software Engineer to develop scalable software for their global platform. The role includes backend and frontend development using technologies like C#, Angular, and Azure. The ideal candidate has experience with .NET, SQL, and Agile me

Coinbase

Software Engineer, Backend (Consumer - Trust and Loyalty)Remote - Canada Software Engineer Backend Development Financial Systems Microservices Blockchain We are seeking a Software Engineer to join our Trust & Loyalty team and build a new suite of products targeting high net worth individuals (HN

Deutsche Bank AG

A leading global financial services company is seeking a Software Developer in the City of Westminster, United Kingdom. The role involves designing and developing functionality using React and TypeScript, as well as collaborating on event-driven microservices in Java. The ideal candidate will have a

Citigroup Inc.

We're looking for an expert level server side engineer, to join one our high-impact teams inside Citi's CTO organisation. You'll sit within Developer Enablement, a group focused on innovation, developer platforms and internal tools used across the bank, where we experiment and ship fast, like a star

Aristocrat

What you'll do Design and implement high-quality, reusable, and scalable features in React Native for both SDK and Mobile Application layers.Help facilitate the complete lifecycle of the mobile application, applying React Native for both iOS and Android platforms.Develop and maintain a React Native-

About LuneBlend frontend finesse with backend wizardry. The demand for sustainable logistics is growing and we are already working with leading innovators such as JAS Worldwide, Forto, Logixboard, and more. We are looking for an creative and strategic marketing manager to scale Lune's go-to-market i

Coinbase

Software Engineer, Backend (Consumer - Trust and Loyalty)Remote - Canada Software Engineer Backend Development Financial Systems Microservices Blockchain We are seeking a Software Engineer to join our Trust & Loyalty team and build a new suite of products targeting high net worth individuals (HN