BNY★3.5 (5.5k)· London

You'll use Java 17/21 with Spring, Maven, Groovy, JavaScript/TypeScript (Angular), Docker, GitLab CI/CD, IntelliJ, Windsurf, Splunk, and AppDynamics to build secure backend services, batches, and APIs for a global financial services company.

Java 11+, Spring Boot, microservices, event-driven architecture, Terraform, and cloud platforms (Azure, AWS, or GCP). The team builds post-trade technology solutions including business-critical applications, APIs, client reporting platforms, and web portals for capital markets. You will mentor developers and contribute to architectural decisions.

Nuffield Health★3.2 (939)· London

You will work with Java 21, Spring Boot, Maven, RabbitMQ, Apache Camel, Git, GitHub Actions, Docker, Azure DevOps, Terraform, Ansible, and SQL databases. The Integration Squad designs, develops, and supports microservices and APIs for Nuffield Health's digital healthcare platforms, enabling secure connectivity across internal and third-party systems.

Senior Java developer working with Spring Boot, J2EE, RESTful APIs, Microservices, Kubernetes or OpenShift, Angular, JavaScript, Bootstrap, HTML5, CSS3, SQL, PL/SQL, JBoss or Oracle 10gAS, Git, Maven, Jenkins. You will design, develop and enhance enterprise BSS/OSS solutions, mentoring junior developers within an Agile team.

You will work hands-on with Java, Kafka, Kubernetes/OpenShift, caching solutions, REST APIs, Spring Boot, SQL, Git, and Gradle/Maven within a high-volume message processing environment for a trading client in the financial services domain.

State Street★3.4 (3k)· London

You will work with ReactJS, NextJS, TypeScript, NodeJS, Java, Spring Boot, Docker, and AWS to build cloud-native microservices. The role involves modernizing legacy platforms and developing enterprise-scale applications for a financial services firm. You will also mentor junior developers.

Java, Spring Boot, React/Angular/Vue.js, PostgreSQL/MySQL, REST APIs, AWS/Azure/GCP, Docker/Kubernetes, Git, Maven/Gradle, and CI/CD. You will design, code, test, and maintain scalable Java applications for mission-critical systems as part of an agile squad.

Appvia★0.0· London

Principal Software Architect role using Domain Driven Design (strategic and tactical patterns), Event Storming, microservice-based architectures, C4 modelling, and AI-assisted development practices. You will own solution design and lead domain discovery across customer modernisation programmes in public and private sectors, working alongside a growing Software Engineering practice.

Senior Java developer working with Java 11+, Spring Boot, microservices, cloud platforms (Azure/AWS/GCP), Terraform, CI/CD, and AI tools. The team builds post-trade technology solutions, APIs, client reporting platforms, and custom trading systems for capital markets.

You will build scalable back-end services and APIs using Java and Spring Boot on AWS, with exposure to modern web applications. The role is within the Engineering Team’s App Squad, building features for Charlotte Tilbury Beauty’s e-commerce platform.

Version 1★3.9 (39)· London

You will work with Java, Kafka, Kubernetes/OpenShift, caching solutions, REST APIs, Spring Boot, SQL, Redis, Gradle/Maven, Git/Bitbucket, and AI coding assistants. You will join a UK Digital Data & Cloud Practice team supporting a high-volume message processing environment for a global financial services client.

JPMorgan★3.9 (20k)· London

Uses Java, Spring, Springboot, React, Kafka, Python, Databricks, Spark, AWS, and AI development tools to build real-time trade processing applications for financial markets, Futures & Options, and Trade Execution/Clearing. Leads engineering teams, defining the technology roadmap for next-generation data, analytics, and automation platforms.

JPMorgan★3.9 (20k)· London

You'll develop and maintain production systems for Equity Derivatives front-office workflows at JPMorgan, using Python, Java, JavaScript/TypeScript, Spring Boot, Hibernate, and JUnit within large-scale enterprise environments. You'll own critical system reliability, architect complex applications, drive user acceptance testing for pricing and risk workflows, and lead team adoption of AI-assisted development practices while collaborating across front office, operations, and technology functions.

You'll develop C# and .NET Core backend services and middleware for Maven's risk technology platform, using Docker/Kubernetes and CI/CD pipelines to optimize position management, reporting, and trading systems. The small team collaborates with traders and infrastructure engineers to build resilient, testable solutions supporting the proprietary trading firm's derivatives strategies across global markets.