Java Developer – Data140,000 Plus Large Prop BonusIn office – City of LondonQuant Capital is hiring for a small, high-performing market maker in London.
Please double check you have the right level of experience and qualifications by reading the full overview of this opportunity below.
This is a Mid-to-Senior 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, 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, xgikmsk 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
Java Developer – Data in Vauxhall employer: Quant Capital
At Quant Capital, we pride ourselves on being an exceptional employer, offering a dynamic and innovative work environment that mirrors the culture of leading tech giants like Facebook and Google. Our London office fosters a collaborative atmosphere where employees are encouraged to think critically and make impactful decisions, while also providing ample opportunities for professional growth and mastery of cutting-edge technology in the trading operations space. With a focus on employee well-being and a commitment to excellence, we ensure that our team members are equipped with the tools and support they need to thrive in their roles.
