Java Software Engineer

Java Software Engineer - Data EngineeringUp to £70,000 + bonus and benefits4:1 hybrid 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), Hiring: Java Software Engineer UK-Based | Remote | 12-month contract | 450 per day I'm currently supporting the search for a highly capable Java Software Engineer looking to transition into Architecture to join a major transformation programme, leading the migration from..., A global financial institution is seeking a Lead Software Engineer to implement critical technology solutions within their Corporate Technology division. The role requires advanced experience in software engineering, proficiency in programming languages like Java and...

AWS, PostgreSQL + Git, CI/CD, logging/monitoringWhat they want:2-5 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 runwayMy client is based London. Home work is encouraged but you will need to be able to come to the City if needed., Software Engineer (Java) Experience level: 2-4 years Are you a Java engineer who enjoys building well-designed systems, writing clean code, and working on problems that actually matter? My client is looking for a Software Engineer with 2-4 years' commercial Java experience...

Java Software Engineer Data Engineering Up to £70,000 + bonus and benefits 4:1 hybrid 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...

Junior Java Automation Engineer

Sparta Global Limited £24,000

About Sparta Global Embark on a transformative career journey with Sparta Global, where diversity, innovation, and passion for technology converge. We welcome individuals from all backgrounds, offering not just jobs, but dynamic careers in the tech industry. You'll work...

Overview Uneek have partnered with a leading energy company who provide cutting-edge cleantech solutions in their search for a Senior SDET to join their team. Their mission is to help utilities transition to a more sustainable, customer-focused future. Senior Software..., Job Description Java Software Engineer - Data Engineering Up to £100,000 + bonus and benefits 4:1 hybrid 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... © 2026, Jobsora.com