Wise★3.5 (42)· London

Lead a growing Solutions Engineering team in EMEA, providing technical consulting and product guidance to top-tier banks integrating Wise’s international finance products via REST API. Work with RESTful design, OpenAPI, OAuth2, and microservice architecture to architect integrations and influence the product roadmap.

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.

Wise★3.5 (42)· London

Build backend

Adaptive Financial Consulting★5.0 (1)· London

Java, Spring, Cucumber, JUnit, GitHub, FIX Protocol, and Aeron are key technologies. The role is within a financial consulting firm that designs and delivers front-office technology solutions for capital, commodity, and digital market participants. This is a contract position, outside IR35, in the Fintech sector.

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.

You will work with Java 11+, Spring/Spring Boot, Microservices, TDD/BDD (JUnit, Spock, Mockito), Git, Maven, and CI/CD on a cloud platform (AWS, Azure, or GCP). The role involves building and evolving a post-trade technology platform — including in-house systems, APIs, and client portal — for a specialist post-trade clearing and prime brokerage firm. You will also manage and mentor a small team of Java developers.

You will design and maintain automated UI, API, and service-level tests in TypeScript using Serenity/JS and Playwright, plus Python/pytest and C#/.NET. The role involves testing the ACE application and internal platform tooling for a decentralised AI platform optimising energy in data centres.

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.

This Test Manager role oversees end-to-end testing for large insurance programmes using test management tools like JIRA, with essential Agile/Scrum experience and knowledge of QA methodologies, test automation, and defect management. The position coordinates testing processes across major initiatives at Arch Insurance, collaborating with developers, QA engineers, product managers and stakeholders to ensure quality, compliance and UAT delivery. The role requires significant leadership experience managing large testing implementations and driving continuous improvement across testing practices.

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.

Head of Quality Engineering to own quality across the organisation, working with PHP, Kotlin, GO, Python, Typescript, React, React Native, GraphQL, Relay, PHPUnit, Behat, JUnit, Kotest, Jest, Maestro, K6, Datadog, Sentry, Incident.io, Grafana, AWS, Docker, Kubernetes, RabbitMQ, Argo, Github, and Github Actions. The role will lead the use of AI (LLMs) for testing and will manage a team of approximately two Quality Engineers while being hands-on with code and CI pipelines. Lendable builds technology for consumer credit and savings products.

Develop production code using Java 8+, Spring (Core, Boot, Integration), Kafka, Oracle/MySQL, and tools like JUnit, Mockito, Cucumber, Selenium. This role designs and secures scalable tech products for a bank, handling system design, microservices, and operational stability in an agile environment.

The Head of QA will lead the transition from manual to automated testing, using tools such as Selenium, Cypress, Playwright, Postman/Newman, JUnit, pytest, CI/CD pipelines (GitLab CI, GitHub Actions), AI-powered testing tools, and cloud platforms (GCP, AWS) with Docker and Kubernetes. The team builds cloud-based aviation fuel management SaaS products digitising the full fuel lifecycle.

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.

You will work with Java, Azure, Databricks, GitLab CI/CD, JUnit, Cucumber, and REST APIs. You will build scalable automation frameworks, test data pipelines, and support CI/CD integration for enterprise-grade cloud-native applications in banking or financial services.

You will use Java, JUnit/Cucumber for TDD/BDD automation, test REST APIs, and integrate with GitLab CI/CD pipelines. You will validate large-scale Databricks data pipelines and drive quality across cloud-native, Azure-based platforms.

Java, Spring Boot, microservices, cloud, TDD/BDD (JUnit, Spock, Mockito), and CI/CD tools (GitHub, Azure DevOps, Jenkins). You will build and evolve a post-trade clearing and prime brokerage platform, including in-house systems, APIs, and a client web portal. The role includes managing a small Java team and has an explicit pathway to Head of Engineering within 24 months.

Yapily★0.0· London

Lead a team building core microservices on Yapily's open banking platform, using Java, Spring Boot, and Kubernetes. Design REST APIs with OpenAPI/Swagger, oversee scalability and monitoring, and drive Agile delivery.

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.

Visa★3.9 (1.2k)· London

You will work with Java 11+, Spring Boot, AWS, Kubernetes, Kafka, ElasticSearch, Datadog, Docker, Terraform, OpenAPI, SQL, PACT, and CI/CD pipelines. As part of cross-functional squads, you will build and maintain a high‑availability, cloud‑native payments platform that processes over 50 billion USD in cross‑border transactions. You will lead technical direction, shape architecture, and mentor junior engineers.

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.