Top Python Jobs in Chicago, IL

The Quantitative Developer will develop systems from research to production, build simulation infrastructure, manage feature pipelines, and troubleshoot issues in quantitative trading environments.

Lead a team to design and deliver cloud-based backend solutions and distributed microservices using languages like Python, Scala, and Java. Collaborate with product managers, mentor engineers, evaluate code, and use AWS, containers, and data frameworks (Spark) to meet regulatory and customer needs.

The Senior Python Engineer will develop and support MongoDB Python drivers, enhance library quality, and collaborate on product features.

Lead and architect production-grade trading systems for Credit Pre-Trade Technology, build AI-native platforms, develop and maintain secure scalable code, partner with trading and product teams, drive AI-assisted engineering practices, support production stability and automation, and lead technical evaluations and communities of practice.

Lead a team to design and deliver cloud-based, distributed microservices and data platforms (Python/Scala/Spark/AWS). Mentor engineers, collaborate with product managers, evaluate and adopt new technologies, and help meet regulatory needs while occasionally coding and reviewing work.

Lead and mentor engineering teams to design and deliver cloud-based backend solutions using distributed microservices, modern languages and container orchestration on AWS. Collaborate with product, evaluate and write code, and drive technical transformation and regulatory-compliant systems.

Develop and maintain Business Operations engineering projects including a bitemporal PostgreSQL cost-attribution system. Build integrations with Jira, NetSuite, Device42, Bitbucket, and other sources. Integrate LLM/AI APIs and native AI features into workflows, automate reports and pipelines for Procurement/Finance/HR, and ensure secure data-handling. Lead development, document schemas, and support deployment and ongoing production maintenance.

Contract Python developer to join the FXCash DB team. Participate across the SDLC—story writing, estimation, design, development, test planning/automation, and deployment. Work in an Agile environment with developers and business analysts; apply FX market domain knowledge and messaging/UNIX/database technologies.

Develop and maintain Python applications on the FX Cash DB team. Collaborate with developers and business analysts across the SDLC: story writing, estimation, design, development, test planning, test automation, and deployment. Work in an Agile environment and apply FX market knowledge while using Excel and related technologies (C#, C++, SQL, UNIX, MQ/RV, Perl).

Lead a team to integrate data engineering practices within actuarial processes, developing scalable solutions for insurance pricing and analytics.

Join Akuna as an entry-level Python software engineer to build high-performance, low-latency trading and data systems. Work with traders and engineers on distributed systems, data capture, and analytics while contributing clean, testable code and learning domain-specific trading infrastructure.

10-week Python software engineering internship building high-performance, distributed systems for trading and post-trade/data engineering. Interns own projects, collaborate with engineers and traders, and implement scalable data capture, analysis, and exchange gateway solutions. Opportunity to present results at program end.

Nagarro seeks an Associate Principal Engineer with extensive IT experience in Python to drive strategic value and innovation in product engineering.

Lead hands-on development of scalable, secure enterprise applications. Partner with business stakeholders to design and deliver full-stack solutions using Python, React/Next.js, REST APIs, microservices, and cloud platforms (AWS). Work with enterprise data platforms (Snowflake, Databricks, PostgreSQL, SQL Server) to prototype and productionize impactful software.

Build and maintain Python backend services and serverless architectures for a restaurant operations platform. Ship end-to-end features, design robust systems, and help define product roadmap. Implement CI/CD and productionization, collaborate with product and GTM teams, and contribute to team culture and technical execution.

Work as a Python development intern building applications and APIs, processing and analyzing data, working with databases and data pipelines, contributing to system architecture, writing clean documented code, and collaborating with the team. Strong emphasis on backend development, SQL, ORMs, and REST API design with potential conversion to full-time.

Senior backend engineer on an education-focused technology consulting team. Own complex backend systems end-to-end: estimate scope, build and support production Python services, design REST/GraphQL APIs, work with cloud and Docker, use relational databases, maintain strong automated tests and Git workflows, and represent technical work to clients. Role values mentorship, ownership, and mission-driven work.

Design and implement durable, fault-tolerant AI orchestration and backend systems using Temporal and agentic ReAct patterns. Deliver features end-to-end with testing, CI/CD, monitoring, and observability; mentor engineers and collaborate with cross-functional teams to translate legal workflows into reliable AI-powered features.

Design and build backend systems and APIs for AI-driven products, ensuring scalability, reliability, and integration of ML models while collaborating with engineering and product teams.

Develop and maintain Alteryx Intelligent Services cloud and on‑prem products. Own design, implementation, testing, and contribute to DevOps pipelines and quality frameworks. Participate in code reviews, mentor teammates, collaborate with Product Management, and focus on delivering customer-centric, well-tested, performant software.

As a Founding Staff Software Engineer, you will lead the design and development of robust backend systems and APIs, optimize large-scale data workflows, and mentor a growing engineering team.

Design, develop, deploy, monitor, and support APIs and system integrations (Salesforce, REST, third-party). Work directly with clients to gather requirements, troubleshoot and optimize integrations, operate solutions in AWS, collaborate with teams, and mentor junior developers.

Build and ship full‑stack features for transportation management and other client products. Design and implement APIs and UIs, collaborate with product and design, own delivery, write modular testable code, troubleshoot and iterate quickly, and mentor peers.

Develop and maintain Python applications focusing on iterators/generators/streams, concurrency (multithreading, non-blocking I/O), and high-precision numeric handling. Work with JSON/XML, REST and SOAP APIs, ACID-compliant databases, message brokers/queues, and produce clean, SOLID code. Unit and integration testing experience is beneficial.

The Forward Deployed Engineer will serve as a technical bridge between clients and engineering teams, writing custom code and integrations, while ensuring customer success with Socket's security platform through strong relationships and expert technical guidance.