Senior Quant Developer (Python), Warsaw, hybrid

We're looking for a Senior Quant Developer for a specialized fintech company that builds front-office software for commodities trade risk assessment. The company was founded in 2015 by alumni of London investment banks and hedge funds. The product is used by traders every day. You would join a developer-driven team that prefers writing new code to maintaining legacy systems. You'd design, build and test core front-office components, data pipelines and market data ingestion tools. This role suits an academically strong engineer who enjoys hard technical problems, and who likes working at a whiteboard with colleagues in the office.

Details

Location: Warsaw (Powiśle), hybrid, with most days in the office

Employment: Full-time

Level: Mid-Senior

What you'll do

Design and develop front-office components used by traders daily

Build and maintain data pipelines and ETL processes

Own market data ingestion: streaming, time-series and high-frequency trade data

Test your own work and contribute to the technical decisions of a small, specialized team

Requirements

5+ years of software engineering experience

Expert-level Python

Proven experience with streaming technologies such as Kafka and Redis

Degree in Computer Science, Mathematics, Physics or a related field

Strong knowledge of data structures and algorithms

Ability to work from the Warsaw office most days (fully remote is not possible)

Tech stack

Python, SQL, NoSQL, Kafka, Redis, ETL, Time Series, AWS / Azure

Nice to have

A PhD

Experience in financial markets or commodities trade risk

Cloud experience (AWS or Azure)

Olympiad achievements (Informatics or Mathematics)

A degree from the University of Warsaw (JSIM, CS, Math, Physics) or a background at Staszic / Matex

Interview process

Informal introduction: a casual chat with the founders

Technical assessment: a practical task to see how you code and solve problems

Team meeting: meet the people you'd be working with