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.

Netbuilder★3.0 (1)· London

Full-stack developers use Java, Spring Boot, React, TypeScript, Oracle, MySQL, Git, Jenkins, Spinnaker, Docker, and Kubernetes to build, enhance, and support scalable web applications, APIs, and enterprise platforms for NETbuilder, a digital solutions provider.

Python, JavaScript/TypeScript, Java, C#, Go, pytest, Jest, JUnit, xUnit, Go testing. You will work on a project with a leading AI lab, building and debugging production systems.

Design and evaluate realistic software engineering tasks using Python, JavaScript/TypeScript, Java, C#, or Go with testing frameworks like pytest, Jest, JUnit, xUnit, or Go testing. As a project consultant, you will create complex multi-file coding scenarios, write specifications, and review peer submissions. The role is part-time and remote.

Lead Engineer using Vue (frontend), Django/Laravel (backend), AWS, Stripe/Salesforce/Netsuite integrations, SOAP, REST/OpenAPI, and project tools like JIRA, GitHub. Builds and maintains the user-facing commercial platform central to customer interaction. Manages and mentors junior developers, acting as project manager for releases.

Work with Java 21, Spring Boot, Spring Cloud, ReactJS, Microsoft Azure, Kafka, JMS, REST APIs, microservices, and CI/CD. You'll contribute to FX platform modernisation programmes, transforming legacy systems into cloud-native architectures within a financial services consultancy.

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.

Apple★4.1 (14k)· London

Work with TypeScript, React, Webpack, Jest, Java, Spring, and Swagger/OpenAPI. You will help develop next-generation cloud services for iCloud Platform, enabling new applications and scaling existing ones like FaceTime, PushNotifications, Photos, and Backup.

You will work with Python, JavaScript/TypeScript, and optionally Java, C#, or Go, using testing frameworks like pytest and Jest. You will contribute to a project for a leading AI Lab, building production systems for a major tech company.

Use Java, Spring Boot, Spring Framework, Spring Batch, Spring Integration, Kafka or RabbitMQ, SQL/Oracle, Git, JUnit, Unix/Linux, shell scripting, AWS/Azure/GCP and CI/CD. You will design, build and enhance scalable microservices and REST APIs for a leading global organisation's enterprise-grade backend platforms.

Work with Python, JavaScript/TypeScript, Java, C#, or Go and testing frameworks like pytest, Jest, JUnit, xUnit, or Go testing. As a software engineering AI trainer with Anyone AI, you'll contribute to a project partnered with a leading AI lab. Requires backend or full-stack experience in production systems.

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.

LSEG★3.7 (402)· London

You'll design and scale data distribution systems delivering index data via APIs and cloud platforms, working with TypeScript, Python, SQL, AWS (Lambda, API Gateway, S3, Aurora), PostgreSQL, Apache Iceberg, Terraform, and GitLab. FTSE Russell (LSEG) builds next-generation distribution capabilities for institutional clients worldwide, requiring you to own system architecture, data modeling, and engineering standards as a hands-on senior engineer with strong technical leadership expectations.

Zuora★3.6 (33)· London

You'll develop and scale Zephr, Zuora's AI-powered subscription experience platform for digital publishers, using Java (JDK 21+), Kotlin, JavaScript/TypeScript, React, and a microservices stack including Vert.x, Spring, Kafka, MySQL, and AWS/Kubernetes. You'll lead design and implementation of high-throughput APIs and backend solutions, mentor junior engineers, and contribute to technical standards for this multi-tenant, webscale application serving media companies' subscription management.

BNY★3.5 (5.5k)· London

BNY seeks a Senior Associate Full-Stack Engineer in London to design and maintain backend services, APIs, and UI components using Java with Spring, Docker, CI/CD tools, and modern testing frameworks like JUnit/Spock. You'll own end-to-end delivery across the product lifecycle—from implementation through observability and reliability—collaborating with product and design teams at a global financial services company managing nearly 20% of the world's investible assets. Experience with microservices, cloud deployment, and observability platforms like Splunk is expected; JavaScript/TypeScript and Angular 15+ are preferred.

BNY★3.5 (5.5k)· London

You'll lead engineering teams building distributed systems and microservices using Java (preferably Spring), Docker, CI/CD tools like GitLab, and modern AI development tools. BNY is a leading global financial services company managing nearly 20% of the world's investible assets, and you'll own end-to-end delivery of mission-critical software while raising engineering excellence across code, testing, and infrastructure. This SVP role involves building and developing inclusive, high-performing teams with clear objectives and succession planning responsibilities.

You'll lead a newly formed team defining canonical domain models, API schemas, and OpenAPI definitions across Swap's engineering organization, eliminating duplicated integration work. The role uses TypeScript/JavaScript and Node.js with REST/GraphQL expertise to establish governance pipelines for core eCommerce entities. You'll spend ~50% coding initially while building and mentoring a small team within an AI-native commerce platform serving global merchant operations.

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.

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.