5+ years of hands-on experience in production Python development.
ETF or investment front-office experience, directly working with portfolio managers or traders.
Proven track record in modernizing legacy or business-built applications.
Strong SQL skills with experience in cloud platforms, preferably AWS.
Familiarity with API design, automated testing, CI/CD, and Git.
Ability to gather requirements from business users and communicate effectively with non-technical stakeholders.
Willingness to work on-site in Downers Grove, IL, 3 days a week.
Responsibilities
Design, develop, and maintain production-grade Python applications and APIs.
Refactor and modernize Python/Excel tools by adding tests, structure, security, and observability.
Collaborate 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 processes, automated testing, and code reviews.
Implement AI-assisted development practices to enhance speed and quality.
Benefits
Opportunity to work in a leading global investment management organization.
Hands-on role with direct impact on business-critical applications.
Collaboration with portfolio managers and front-office users.
Exposure to modern development practices and technologies.
Potential for long-term engagement (12+ months).
Full Job Description
Client
A leading global investment management organization is modernizing business-critical ETF and investment analytics applications. Many of these tools were originally built by business teams using Python and Excel. The goal is to turn them into resilient, production-grade applications in close collaboration with portfolio managers and front-office users.
Position overview
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.
Responsibilities
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.
Requirements
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.
Nice to have
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.
About DataArt
DataArt is a global technology consultancy that designs, develops, and supports unique software solutions, helping clients take their businesses forward. The company offers a wide range of services, including custom software development, technology consulting, and software testing and quality assurance. DataArt serves clients in a variety of industries, including finance, healthcare, and travel and hospitality.
