> Markdown version of [/jobs/ext/4647350-senior-python-engineer-etf-investment-technology](https://www.wearedevelopers.com/jobs/ext/4647350-senior-python-engineer-etf-investment-technology). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Python Engineer - ETF Investment Technology - **Company:** Wave Works, Inc. - **Location:** Mundelein, IL, United States - **Experience:** Expert - **Contract:** Temporary contract - **Skills:** FactSet, Application Programming Interfaces (APIs), Amazon Web Services, Amazon S3, Continuous Integration, Identity and Access Management, Python (Programming Language), PostgreSQL, NumPy, Backtesting, Software Engineering, Pandas, Amazon Relational Database Service, Cloudwatch - **Published:** November 9, 2026 - **Apply:** https://www.thejobnetwork.com/job/721353a0-3ff6-44f4-bebc-dcec41d83277/senior-python-engineer-etf-investment-technology ## About the Role * 7+ years in software engineering, including recent ownership of production applications in asset management or capital markets \n * Strong production Python skills that go beyond notebooks, with pandas, Polars or NumPy \n * Production PostgreSQL experience \n * Hands-on AWS experience, for example ECS/EKS, Lambda, S3, RDS, CloudWatch, IAM, Secrets Manager and infrastructure as code \n * A track record of modernising live, business-critical systems incrementally \n * Solid API, integration, CI/CD, testing, security and observability practices \n * The ability to work credibly with front-office users in an onsite, iterative environment \n * Clear written and verbal communication \n, * Experience integrating Bloomberg or FactSet data and managing entitlements, licensing and lineage \n * Quantitative finance knowledge, such as portfolio analytics, optimisation, backtesting, risk or attribution \n * Experience consolidating desk-built tools into an institutionally supported platform \n * Experience working across teams in the US and UK \n