Senior Python Engineer, Investment Platform (Chicago)
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Salary
$140k – $160k per year
Location
In office (Orlando)
Seniority
Senior · 5+ years exp
Employment
Full-Time
Confirmed on the employer's own hiring board on Oct 31, 2026. First seen by Alion on Oct 27, 2026. DataArt scores B on the Alion truth index.
Overview
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DataArt is a global software engineering and consulting firm headquartered in New York that builds and modernises custom software, data platforms and cloud infrastructure for clients in finance, travel, healthcare, media and retail. Founded in 1997, it runs delivery centres across Europe, the Americas and Asia, including offices in Wroclaw, Lublin and Lodz in Poland and teams in India, and works with more than 400 enterprise clients. Its openings include senior .NET, Java, Python and frontend engineers, DevOps and site reliability engineers, data architects and data engineers, QA automation leads and solution consultants.
We are looking for a Senior Python Engineer who writes production code every day. You will build new components and refactor business-built tools into well-engineered applications. You will work directly with portfolio managers to understand how the tools are used and what must not break. This is a 100% hands-on role, not an advisory or architectural role.
On-site at the client’s office in Downers Grove, IL (Chicago area), 3 days/week
Duration: 12+ months
The estimated salary range for this position is $140,000 to $160,000 per year.
- Design, develop, and maintain production-grade Python applications and APIs.
- Refactor and modernize Python/Excel tools built by business teams by adding tests, structure, security, and observability.
- Work directly with portfolio managers and front-office users to clarify requirements and validate results.
- Build data-intensive and analytics features using SQL and cloud data platforms.
- Contribute to CI/CD, automated testing, and code reviews.
- Apply AI-assisted development practices where they improve speed and quality.
- 5+ years of hands-on experience in production Python development. Python is the main language in your current role.
- ETF or investment front-office experience (asset management, investment banking, or capital markets). At a minimum, you have worked directly with portfolio managers or traders.
- Experience modernizing legacy or business-built applications.
- Strong SQL skills and experience with cloud platforms (AWS preferred).
- Experience with API design and integration, automated testing, CI/CD, and Git.
- Ability to gather requirements directly from business users and communicate clearly with non-technical stakeholders.
- Willingness to work on-site in Downers Grove 3 days/week.
- Experience with fixed-income ETFs, portfolio management, or investment analytics.
- Experience with Aladdin, BNY, or comparable investment platforms.
- Experience with Snowflake, Redshift, Databricks, or BigQuery.
- Experience with AI-enabled development, agentic workflows, or AI-assisted SDLC.
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