151 to 175 of 240 Java Engineer Jobs in London

creativity, technical excellence, and your unique perspective. Discover how you can push the limits of what’s possible with us. As a Lead Software Engineer in Wholesale Payments, FX Payments Tech, you will play a pivotal role in designing and delivering secure, scalable technology products. You will work closely … mobile) In-depth knowledge of the financial services industry and IT systems Practical cloud native experience Preferred Qualifications, Capabilities, and Skills: Experience with Java 21 Familiarity with Spring framework and Spring Boot Knowledge of RDBMS and NoSQL databases Experience with Kafka Expertise in microservices architecture Ability to leverage ...

risk, reduce false alerts, and avoid unnecessary friction for legitimate customers. What will you be working on? AML Squad is looking for an experienced Engineer to help shape how Wise detects money laundering and terrorist financing risk. You will own large, impactful projects and their technical roadmaps. You will … reliability, security, and technical quality. Mentor engineers and share knowledge across the team. The technology you’ll work with Our primary technology stack is Java, Spring Boot, and Kafka. You’ll work with distributed services, asynchronous processing and data at scale. We design for scalability, observability, privacy, security, reliability ...

Adecco is seeking a Lead Modernization Engineer for Java/Node.js in Wembley, on-site five days a week. You will define standards, mentor developers, and drive cloud-native modernization initiatives across Java and Node.js services. You'll own API design, security-first practices ...

your commitment to secure, compliant solutions. Discover a place where your skills and ideas can make a real difference. As a Full Stack Engineer in our team, you will design, build, and support scalable web applications and integrations. You will leverage Java, Python, and React to deliver … compliance standards. Your work will help us deliver personalized and reliable experiences. Job Responsibilities: Design, develop, test, and maintain full-stack features using Java, Python, React, and AI-enabled services Build reliable integrations with marketing systems such as CDP/CRM, campaign management, and attribution systems Implement and optimize ...

Client Server Limited is seeking a Java Developer/Backend Software Engineer for a London-based role with hybrid WFH. You will work on a financial Tech for Good product, building integrations with AWS services and contributing to a data-centric, event-driven platform. You'll own features ...

experience is a team of passionate engineers building the tools and services that power how we operate. We’re looking for a Senior Backend Engineer to help shape and deliver innovative solutions for our customers. You'll develop and build out a unique part of the platform, offering self … about our tools, tech and people, head to our tech blog. What you'll be doing Designing and building new features and enhancements using Java 17+, Spring Boot, Elasticsearch, Kafka, Gradle, Hibernate, Couchbase, SQL, and Docker. Collaborating with cross-functional teams and stakeholders to shape solutions and align ...

Capitolis in London is seeking a Senior Software Engineer to design and build scalable, secure Java-based solutions and drive architectural decisions across the P.O products. You will work with product managers and R&D to implement roadmap features using Spring Boot, Docker, and cloud services. The ideal ...

Scrumconnect Consulting in London is seeking an experienced Backend Developer to design, build, and maintain scalable, secure server-side services and APIs, while advancing Agentic AI capabilities within our engineering platform. The role sits at ...

world's money. For everyone, everywhere. More about our mission and what we offer . We are looking for a Senior Backend Engineer to join the Account Sharing team within Wise’s Consumer Squad . The team is focused on building entirely new products in the shared finances space … build scalable distributed systems and deliver customer-facing products used by millions of users. You are proficient in backend programming languages such as Java, Kotlin, Python, or Go . You have strong experience designing asynchronous, reliable, and scalable systems within microservice architectures . You are comfortable working in greenfield ...

global technology company building the best way to move and manage the world’s money. We are looking for a Senior Backed Engineer to join the Recommend team in our London office, focusing on the recommendation platform, rewards, and onboarding experiences for customers worldwide. You will work with engineers ...

NextWave Consulting Ltd is seeking a Senior Software Engineer in the UK with hybrid work options. The successful candidate will lead the development of a scalable Data Fabric platform, focusing on Java and Spring Boot microservices while mentoring team members. Required skills include hands-on experience ...

Join Citi’s Chief Technology Office as a Server‐Side Engineer within our Developer Enablement team, building strategic internal platforms used by over 30,000 engineers globally. You’ll develop scalable backend services that simplify software delivery, automate release processes and help shape the future of engineering at Citi. … practices, code quality and automation. Explore and apply emerging AI technologies to improve products and developer experience. Skills & Experience Essential Strong commercial experience with Java (21+) or Kotlin. Experience building RESTful APIs and backend services. Knowledge of relational and/or NoSQL databases (PostgreSQL, MongoDB or Couchbase). Experience ...

Fasanara Digital is seeking a Junior Java Software Developer to contribute to our 24/7 trading activity and to the development of a multi-venue collateral management platform. You will work under guidance from experienced engineers, focusing on both new development and maintaining existing systems in a collaborative … fintech environment. The role offers hands-on engineering experience in Java and Kotlin, with opportunities to learn about real-time systems, data integrations, and accounting #J-18808-Ljbffr ...

envelope to enhance, build, and deliver top-notch technology products to revolutionize business decisions and workflow for cloud migration. As a Senior Lead Software Engineer at JPMorganChase within the Infrastructure Platform, you are an integral part of an agile team that works to enhance, build, and deliver trusted market … track record of building accessible, high-performance, production-grade interfaces. Experience integrating APIs or services into front-end applications. Building enterprise grade system using Java, Python, AWS Hands-on practical experience delivering system design, application development, testing, and operational stability Advanced in one or more programming language(s) Advanced ...

Citi’s Chief Technology Office is hiring a Server-Side Engineer in London to build scalable backend services and APIs for internal engineering platforms. You will influence architecture, adopt modern practices, and explore AI to boost developer productivity. You’ll work in an agile, technology-led environment with collaboration ...

training, benchmarking, and advancing large language models, collaborating closely with researchers. This includes curating code examples, providing precise solutions, and making corrections primarily in Java, as well as in Python, JavaScript (including ReactJS), C/C++, Rust, and Go; evaluating and refining AI-generated code for efficiency, scalability ...

enjoy designing and developing scalable, high-performance applications using Java and JavaScript? About The Team You will join the Identity & Access Management team, which owns the authentication and authorisation infrastructure underpinning Elsevier’s global product suite. Do you enjoy designing and developing scalable, high-performance applications using Java … data manipulation languages. Understanding of data modelling principles. Ability to work with complex data models. Proficiency in development languages including but not limited to: Java/J2EE, JavaScript, JSP, HTML, Node.js, React, XML, SQL, Windows, UNIX. Experience with Keycloak, Auth0, or another identity provider, including realm configuration, authentication flows ...

Group's Prime division is seeking a Senior Java/FIX Engineer to design and modernise high‐performance trading APIs used by institutional clients. You’ll own services end to end, from architecture through production, focusing on resilience, latency and correctness in real‐time markets. You’ll work … REST, streaming and FIX APIs, modernising the FIX estate and shaping our cloud‐native trading platform. Strong Java and distributed systems experience are essential. #J-18808-Ljbffr ...

opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Lead Software Engineer at JPMorgan Chase within the Corporate Technology - Corporate Oversight & Governance group, you are an integral part of an agile team dedicated to enhancing, building … proficient advanced experience. Hands-on practical experience delivering system design, application development, testing, and operational stability Advanced in one or more programming language(s): Java, Spring Boot, JPA, SQL, REST, Python Strong understanding of Agile methodology and leveraging SDLC tools (JIRA, Jenkins, GIT, JUnit) to achieve CI/ ...

Daemon Solutions Ltd. in Greater London is seeking a Consultant focused on software engineering, particularly with Java and/or React. The successful candidate will be a critical part of the Daemon Engineering team, working on innovative projects and collaborating with senior and junior colleagues. This role emphasizes effective ...

opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Lead Software Engineer at JPMorgan Chase within the Credit Data Pond team housed within Wholesale credit risk technology, you are an integral part of an agile team that ...

Hunter Bond seeks a Kafka Engineer/Java Developer for a FinTech client in London. The role is hybrid, focusing on building distributed, low-latency systems within a high-calibre team. You will mentor juniors and help evolve infrastructure while delivering robust, scalable software. Salary ...

Senior Lead eSoftware Engineer - Equities Algo Trading - Java - VP LONDON, LONDON, United Kingdom Job Information Job Identification 210612713 Job Category Software Engineering Business Unit Corporate Sector Posting Date 04/02/2025, 08:37 AM Locations LONDON, LONDON, United Kingdom Job Schedule Full time About Us J.P. … opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Senior Lead Software Engineer at JPMorgan Chase within the Equities Trading Technology Organization, youare an integral part of an agile team that works to enhance, build, and deliver ...

Montreal and Manila we have a proven track record of delivering trading technology that is powerful, elegant and intuitive. We are hiring a Senior Java Distributed Systems Engineer to help build Aeron Sequencer, our technology for applying state machine replication to capital markets. You will work on distributed … systems. Strong written and verbal communication skills. YOU WILL: Analyse, design, discuss and develop distributed systems built on replicated state machines. Write clean, efficient Java code that is maintainable and self-documenting. Design and evolve messaging protocols and software libraries. Troubleshoot and debug Java applications and distributed systems. ...

optimizing performance. Concepts like the CAP theorem aren’t just theory here—they’re part of our daily engineering conversations. Our stack includes Java, Vert.x, RxJava, Groovy, Couchbase, and Kafka , built using Terraform , running in Kubernetes on Azure utilising GitHub Actions pipelines. We follow Agile principles, adapting Kanban … culture—pair programming is common, and all code is reviewed via GitHub. Design and implement end-to-end systems using your deep JVM and java ecosystem expertise. Translate product requirements into well‐structured, maintainable code. Write test‐driven features and follow the TDD and BDD cycle. Apply SOLID principles ...