At a Glance
- Tasks: Build and enhance Java backend services while managing Python ETL/data ingestion.
- Company: Join a high-performing market maker in the heart of London.
- Benefits: Competitive salary up to £100,000 plus bonuses and benefits.
- Other info: Enjoy a hybrid work model with flexibility to work from home.
- Why this job: Make a real impact in a lean team with strong growth opportunities.
- Qualifications: 2-5 years of experience in Java development and some Python knowledge.
The predicted salary is between 72000 - 88000 £ per year.
Java Software Engineer – Data Engineering Up to 100,000 + bonus and benefits4:1 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 responsibility owning straightforward Python ETL/data ingestion into AWS and Postgre SQL.
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 business Write 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 Postgre SQL (schemas, migrations, performant queries, data validation)Improve service reliability: monitoring/logging, sensible alerting, and predictable deployments via CI/CDTech: Java (primary), Python (secondary), AWS, Postgre SQL + Git, CI/CD, logging/monitoring What 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 development Comfortable with SQL/Postgre SQLSome Python experience (enough to manage and improve existing ETL/ingestion)Nice to have Any finance or markets exposure Familiarity with common AWS patterns for running services and pipelines Why this role Broader scope than pure app dev: you’ll understand the data feeding the platform Lean team, high impact, strong growth runway My client is based London.
Home work is encouraged but you will need to be able to come to the City if needed.
Mid Level Java Software Engineer – Data Engineering employer: Quant Capital
Quant Capital is an excellent employer for those looking to thrive in the fintech sector, offering a vibrant work culture that fosters innovation and collaboration. With substantial training and development opportunities, employees can enhance their skills while enjoying a flexible hybrid work model in the heart of London. Join us to be part of a forward-thinking team that values growth and cutting-edge technology.
