Tech jobs
Job listings
Backend Java Developer - Birmingham • Hybrid • £50–65k • Not London
Build core Java backend services for a data-fabric platform that enforces access rules and optimizes SQL queries across distributed systems.
Java Developer - Full Stack with React.js in London - Pontoon
Build and maintain full-stack Java applications with React.js frontends, focusing on multithreaded, distributed systems and JVM tuning.
Lead Software Engineer - Data & AI
Lead a team building scalable data platforms and AI systems, including RAG pipelines and GenAI integrations, to power fintech products at JPMorgan Chase.
Low Latency Java Developer - VP
Develop low-latency Java systems for electronic and algorithmic trading using asynchronous, event-driven architectures and JVM internals.
Backend Java Developer – Data Fabric / Platform Engineering
Build core Java services for a Data Fabric platform that enforces data access policies and optimizes SQL queries across distributed systems.
Senior JVM Software Engineer
Builds and optimizes a high-performance JVM-based distributed calculation engine for financial indices and quantitative models in a regulated finance environment.
Lead Software Engineer - Data & AI
Lead a team building scalable data platforms and AI systems for a fintech product, focusing on RAG pipelines, GenAI integrations, and cloud-native AI services.
Lead Java Developer (VP)
Lead a team building and modernizing Citi’s global Fixed Income trading platform in Java/Spring, migrating to microservices and CI/CD to process 200k daily transactions.
FX Risk Java Developer (VP)
Lead a team of Java engineers to design and build high-performance FX risk calculation systems that power global financial markets at Citi.
Senior Java Developer
Senior Java Developer building and maintaining secure, cloud-native financial services software with CI/CD pipelines and automated testing.
Java Developer in Birmingham - Sidetrade
Build and maintain Java-based backend services and APIs, integrating AI/ML components, while collaborating on full-stack features with React and TypeScript.
Senior/Lead Java Developer
Build and lead Java-based backend systems, optimize JVM performance, and mentor teams using CI/CD pipelines for global clients in a hybrid London role.
Senior Android Developer
Build and lead features for the Guardian’s Android app using Kotlin/Java, Jetpack libraries, and modern testing practices to deliver a fast, stable user experience.
Senior Android Developer
Build and maintain The Guardian’s award-winning Android app in Kotlin/Java, lead features, mentor peers, and collaborate across teams to deliver fast, stable mobile experiences.
Android Developer
Build and maintain The Guardian’s Android apps using Jetpack Compose, Coroutines/Flow, and MVVM, while collaborating across teams and leading projects.
Junior Java Developer
Build and deliver Java/Kotlin back-end services and React front-end features for client projects, using Spring/Ktor, GitHub Actions, and cloud monitoring tools.
Lead Java Developer
Lead a team building real-time and on-demand risk systems for global credit markets using Java, Spring, Kafka, and cloud-native tech to process billions in daily transactions.
Mid Level Java Developer
Build real-time exchange connection layers in Java to sync crypto market data for a new trading platform, optimizing low-latency JVM systems and event-driven architectures.
Senior Consultant, Java Developer, Solutions, Engineering, AI & Data
Build and maintain Java-based solutions for clients, using Spring, cloud platforms, and AI tools while collaborating in cross-functional teams to drive digital transformation.
Manager, Java Developer, Solutions, Engineering, AI & Data
Build and maintain Java-based solutions for clients, leveraging Spring, cloud platforms, and AI tools to deliver scalable, secure systems and drive digital transformation.