Senior Software Engineer – Treasury Systems (Ruby/Python)

Drweng; Chicago (IL); On-site; USD 175,000 - 275,000; Full time

Job summary

DRW is seeking a Senior Software Engineer for its Treasury Development team in Chicago. You will design, build, and operate full-stack applications (APIs through UI) supporting secured financing, margin, collateral, and liquidity management.

The role offers a collaborative environment with direct business partner interaction and a focus on rapid deployment, automated testing, and modern service architectures.

Qualifications

• Senior generalist with strong autonomous work style
• Payments and/or treasury systems experience helpful
• Trading or fintech background advantageous
• Full-stack development with Python (FastAPI) and/or Ruby (Rails)
• Strong relational data modeling fundamentals
• GitOps and Kubernetes experience
• Job orchestration systems (Airflow/Prefect) familiarity

Responsibilities

• Design, build, and test full-stack APIs and UI used by Treasury and business partners
• Turn ambiguous business problems into concrete technical plans and shipped software
• Own software end-to-end after deployment and operate on-call responsibilities
• Work across greenfield systems and legacy codebases
• Improve tooling around CI/CD, containers, and Kubernetes/internal cloud
• Collaborate with other software teams, IT, trading desks, and business units
• Mentor engineers and raise engineering practice standards

Skills

Python (FastAPI)

Ruby on Rails

Kubernetes

CI/CD

GitOps

Backend design

Full-stack development

Tools

Airflow

Prefect

Job description

DRW is seeking a Senior Software Engineer for its Treasury Development team in Chicago. You will design, build, and operate full-stack applications (APIs through UI) supporting secured financing, margin, collateral, and liquidity management.

The role offers a collaborative environment with direct business partner interaction and a focus on rapid deployment, automated testing, and modern service architectures.