Java Developer

Contract Java Developer - Data Up to £700 per day Outside IR35 (6 month rolling)In office - City of LondonQuant Capital is hiring for a small, high-performing market maker in London. This is a junior-to-mid role focused primarily on Java development, with a secondary responsibility owning straightforward Python ETL/data ingestion into AWS and PostgreSQL. This is a growing team focused on data ingestion and building tooling for the wider firm.What you'll do:Build and enhance Java backend services (APIs, batch jobs, integrations) used across the businessWrite clean, testable code with solid engineering discipline (testing, code review, debugging, production support)Maintain and extend Python-based ingestion/ETL (pragmatic plumbing, not heavy data engineering)Work with PostgreSQL (schemas, migrations, performant queries, data validation)Improve service reliability: monitoring/logging, sensible alerting, and predictable deployments via CI/CDTech:Java (primary), Python (secondary), AWS, Role:Mobile Backend Developer - Kotlin and javaDuration: 6 MonthsLocation:Manchester, UK (3 days Hybrid) The Role Seeking a Senior Application Engineer ( Backend cloud based application development) with deep technical expertise and thought leadership. You will drive..., Job Description Contract Algo Trading Java Developer - eTrading, low latency, Java APIs, Multithreading, FIX Our Investment Banking client is looking for an Algo trading Java developer to join the team to work on new initiatives and support for business critical..., Job Description About the Role Our client is seeking a Java Developer to join their ITSO Back Office value stream. You'll develop, maintain, and support the Transport Club's HOPS, Fulfilment, and Actora product suites-core systems used nationwide for journey transaction..., Role:Mobile Backend Developer - Kotlin and java Duration: 6 Months Location: Manchester, UK (3 days Hybrid) The Role Seeking a Senior Application Engineer ( Backend cloud based application development) with deep technical expertise and thought leadership. You will drive..., Java Developer (SC Cleared) - Remote - £455 per day - Start ASAP A large managed service provider require a Java Developer with the ability to work with data throughout its lifecycle, from collection and storage to processing and analysis. This role is predominately remote..., Role:Mobile Backend Developer - Kotlin and java Duration: 6 Months Location:Manchester, UK (3 days Hybrid) The Role Seeking a Senior Application Engineer ( Backend cloud based application development) with deep technical expertise and thought leadership. You will drive... © 2026, Jobsora.com

PostgreSQL + Git, CI/CD, logging/monitoringWhat they want:10+ years of experience building production systems (or equivalent ability)Strong Java fundamentals (OO design, APIs/services, concurrency basics, testing)Some UI developmentComfortable with SQL/PostgreSQLSome Python experience (enough to manage and improve existing ETL/ingestion)Nice to haveAny finance or markets exposureFamiliarity with common AWS patterns for running services and pipelinesWhy this roleBroader scope than pure app dev: you'll understand the data feeding the platformLean team, high impact, strong growth runway, Contract Java Developer Inside IR35 Halian Technology are currently looking to hire several contract Java Developers for a fintech business in Hampshire. We are looking for a UK-based professionals with a strong background in Java who want to work on a greenfield build with..., Java Developer (SC Cleared) - Remote - £455 per day - Start ASAP A large managed service provider require a Java Developer with the ability to work with data throughout its lifecycle, from collection and storage to processing and analysis. This role is predominately remote..., Senior Software Engineer - Bazel / Java We are seeking a collaborative and curious backend Engineer to help drive and develop the next generation of developer infrastructure and tooling as we establish a unified, robust and scalable monorepo ecosystem for all engineers at..., Job Description Full Stack Developer (ReactJS & Java) - Build What Matters Location: Leeds / Bristol UK (Hybrid ) Experience: 5+ years (flexible for strong candidates) Are you a Full Stack Developer who enjoys solving complex problems, building scalable systems, and...

Job Description Contract Java Developer - Data Up to £700 per day Outside IR35 (6 month rolling) In office - City of London Quant Capital is hiring for a small, high-performing market maker in London. This is a junior-to-mid role focused primarily on Java development,..., Contract Java Developer Data Up to £700 per day Outside IR35 (6 month rolling) In office City of London Quant Capital is hiring for a small, high-performing market maker in London. This is a junior-to-mid role focused primarily on Java development, with a secondary..., Contract Java Developer - Data Up to £700 per day Outside IR35 (6 month rolling) In office - City of London Find out if this opportunity is a good fit by reading all of the information that follows below. Quant Capital is hiring for a small, high-performing market maker...

Senior Backend Developer (Java / Golang / AWS) At a glance Modern backend engineering environment AWS, Kubernetes, Docker, Golang, Java Microservices, data-intensive systems, distributed architecture Hybrid working Salary up to £110k The Opportunity Ocho is partnering with..., About Trinity Outsourcing Solutions Trinity Outsourcing Solutions is dedicated to connecting talented professionals with dynamic career opportunities across the world. As a trusted HR partner, Trinity offers a pathway for skilled individuals to work in roles that align..., A cutting-edge security solutions provider is looking for a Senior Backend Developer skilled in Golang and Java. This role involves modern cloud-native engineering to tackle complex security challenges using AWS, GCP, and Azure. The ideal candidate has a degree in Computer..., Staff/ Senior Staff Java Developer - Belfast-Hybrid Role - 1-2 days in the office About the CompanY Our client is a globally recognised SaaS technology company building large-scale data and commerce platforms used by some of the world's most recognisable retail and consumer...