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 with Java, JavaScript, Python, or C#; open-source frameworks like Cypress, Karate, PlayWright, or Selenium; CI/CD pipelines in Azure DevOps; and JMeter for performance testing. As part of an agile team, you’ll help clients achieve business transformation goals through automated and manual testing.

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.

Lead a team using React, Node.js, Express.js, AWS, SQL, NoSQL, Docker, Kubernetes, and Jenkins. You will design scalable, cloud-native microservices architectures as a Technical Lead for Version 1, a consultancy delivering IT solutions for global brands. This role oversees a development team and ensures adherence to best practices.

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.

Version 1★3.9 (39)· London

Design and implement scalable software using React, Node.js, Express.js, AWS, SQL, NoSQL, Docker, Kubernetes, and Jenkins. As a Technical Lead, you will architect solutions, mentor development teams, and guide projects for Version 1, an IT consultancy delivering digital solutions for global brands.

The role uses OutSystems, PHP, SQL Server, SSIS, Power BI/Tableau, Git, and IBM RPG to design and maintain business-critical applications. Working within a small IT team, the developer handles the full software development lifecycle, modernizing internal systems and integrating third-party software.

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.

Version 1★3.9 (39)· London

You'll use AWS serverless services (Lambda, API Gateway, DynamoDB, SQS, Cognito, CloudWatch), infrastructure as code (CDK/Terraform/CloudFormation), and languages including Python, Java, Golang, TypeScript, React. You'll design, build, and maintain cloud-native applications using microservices and event-driven architectures, and support DevOps processes as part of Version 1's technology solutions for global brands.

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, Spring Framework, Hibernate, RESTful APIs, AWS (EC2, S3, Lambda, Step-functions, Event bus), and relational databases (Oracle, MySQL, PostgreSQL). Version 1 delivers technology and transformation solutions for global brands, and you will design and develop high-performance Java applications with batch processing and cloud-based solutions.

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.

Version 1★3.9 (39)· London

Work with Python, LLMs, RAG systems, fine-tuning, embeddings, orchestration frameworks, and AI coding agents to design, prototype, and scale enterprise-grade AI products. Lead applied research across LLMs, agentic systems, retrieval architectures, and applied ML for Version 1, a technology and transformation solutions provider.

Version 1★3.9 (39)· London

You'll work with TypeScript, React, Next.js, Angular, Vue.js, React Native, GraphQL/Apollo Client, Jest, and Docker, with optional Java or Python backend experience. Version 1 is a global technology consultancy partnering with Microsoft, AWS, Oracle, and others to build digital solutions for enterprise clients. You'll develop web and mobile interfaces, mentor junior developers, and help establish frontend best practices across the Digital, Data and Cloud team.

Version 1★3.9 (39)· London

You'll work with Java, Spring/Spring Boot, JUnit, Hibernate, Apache Kafka, REST APIs, SQL, Docker, Kubernetes, and CI/CD tools like Jenkins to build high-quality software solutions for Version 1's clients across Financial Services and Capital Markets. The role involves developing maintainable, tested code in a cross-functional Scrum team while following SOLID principles and best practices, with potential front-end contributions and exposure to cloud platforms like AWS and Azure.

Version 1★3.9 (39)· London

You'll lead frontend development using ReactJS, JavaScript (ES6+), and related technologies including Next.js, React Native, Jest, GraphQL, and Docker, with AWS deployment experience preferred. You'll architect web and mobile interfaces for Version 1's digital products while mentoring junior engineers, collaborating with Product Owners, Architects, and UX designers to translate requirements into high-quality, reusable code that meets security and performance standards.

Version 1★3.9 (39)· London

You'll work with React, Python, FastAPI, and Large Language Models in a Scrum-based Agile environment, building AI-driven digital products for Version 1's clients across financial services and capital markets. The role involves full-stack development with GraphQL, REST APIs, and agent frameworks, collaborating with product owners, architects, and designers while following software engineering best practices including testing, security, and CI/CD pipelines.

Version 1★3.9 (39)· London

You'll work with Java, JavaScript, Python, or C# to build and maintain automated test frameworks using tools like Selenium, Cypress, Playwright, and Karate, integrating tests into CI/CD pipelines with Azure DevOps. As part of an agile team supporting client business transformation, you'll develop cross-browser functional, API, and integration tests, define test strategies, and conduct performance testing with JMeter. Version 1 is a €350m AWS, Microsoft, and Oracle partner with 3,300+ employees delivering technology solutions globally.

Version 1★3.9 (39)· London

Senior .NET Developer role working with ASP.NET Web Forms, MVC Core, SQL Server, Azure DevOps, TFS, Hangfire, Windows Services, and App Insights to maintain and modernize legacy Microsoft business-critical applications. Version 1 is a 3,300+ person global technology solutions partner specializing in AWS, Microsoft, and Oracle implementations across transformation and digital services.