Top Software Engineer Jobs in Chicago, IL

Design and maintain efficient C++ code for a high-speed trading system, including algorithm development and data analysis.

Build and maintain order and payment systems for a high-volume ticket marketplace. Design scalable backend services, REST APIs, and event-driven components. Ensure correctness, idempotency, failure handling, and observability. Collaborate cross-functionally, mentor peers, run experiments/A-B tests, and contribute to CI/CD, testing, and production debugging to drive business impact.

Responsible for full software development life cycle, including design, development, and testing of applications while mentoring team members and collaborating with various stakeholders.

The Software Engineer II will design, develop, and deploy applications, collaborating with teams to meet business requirements and enhance developer productivity, focusing on both front-end and back-end solutions using modern technologies.

The C++ Engineer will design, build, and support FreeWheel's video advertising platform, handle the software development lifecycle, and collaborate with stakeholders.

FreeWheel seeks a C++ Engineer to design, build, and support its video advertising platform, responsible for the software development lifecycle and collaborating with project stakeholders.

The Software Engineer II (Martech) designs and implements innovative software solutions, focusing on marketing technology and data infrastructure, enhancing technical capabilities and operational excellence.

The Software Engineer will build new systems, enhance existing ones, and integrate with external systems, collaborating closely with developers, QA, and product managers.

Develop and maintain custom options valuation and risk-management systems. Collaborate with traders, risk managers, and quants to gather requirements, design solutions, implement high-performance code, troubleshoot issues, document models and tests, and improve scalability, accuracy, and performance of pricing systems.

Develop and maintain primarily desktop full‑stack applications using .NET and SQL Server. Design, implement, test, and support solutions, troubleshoot issues, uphold software engineering best practices, and collaborate with developers and traders to deliver business-focused functionality.

Design, build, and operate low-latency, cloud-native Golang microservices for identity resolution and audience targeting. Own end-to-end features, optimize performance, ensure observability and reliability, collaborate cross-functionally, support production incidents, and drive technical improvements and mentoring.

The Senior Ruby Full-Stack Software Engineer will lead projects, design systems, and deliver full-stack applications to enhance disputes intake experiences. Responsibilities include collaborating with cross-functional teams and mentoring engineers.

Design, build, and maintain full-stack web and API solutions using React, TypeScript, Node.js, and GraphQL. Lead architecture and DevOps efforts, improve CI/CD and observability, mentor engineers, collaborate with product and design, and ensure security, performance, scalability, and reliability. Troubleshoot issues, create technical documentation and diagrams, and continuously improve developer experience and engineering standards.

Design, build, and maintain scalable, event-driven software that transforms financial data into editorial outputs. Implement CI/CD, testing, monitoring, and AWS-based integrations to support automated editorial workflows and CMS publishing. Collaborate with data journalists, editors, and product teams to ensure data quality, reliability, and operational efficiency.

Build and maintain high-performance, low-latency cloud-native microservices in Go for identity resolution and audience targeting. Own features end-to-end, optimize query and data-access paths (Aerospike, Kafka, Snowflake, S3), ensure reliability with observability and CI/CD, troubleshoot production incidents, enforce data quality, and collaborate with product, SRE, QA, and data teams to evolve identity and audience-domain architecture.

As Team Lead for Unified Configuration, you will manage, mentor, and coach a diverse team, ensuring effective collaboration and alignment with product goals while driving technical projects in a fast-paced environment.

Contribute to high-scale production software for an e-commerce company, working on customer-facing features and automation, while advancing to technical leadership roles.

Design, build, and maintain scalable backend content platform services and RESTful APIs using Python, .NET, and AWS. Implement AI-enabled features (tagging, summarization, semantic search), integrate external LLM services, improve content workflows, and collaborate with product and cross-functional teams to deliver high-quality, production-ready solutions.

The Software Engineer IV will lead the development of web applications for customer orders, focusing on frontend and full-stack aspects using React and Next.js. Responsibilities include architecture decisions, API integration, test automation, CI/CD improvements, and mentoring engineers.

As a Software Engineer, you'll build and maintain systems for ticket inventory and pricing data, develop web scraping solutions, and create automation workflows while collaborating with various teams within the company.

Seeking an experienced Software Engineer for developing high-performance financial trading systems. Responsibilities include full-stack development, system enhancements, and collaboration.

Seeking an experienced Software Engineer to design, develop, and maintain high-performance trading systems, focusing on enhancing strategies and tools.

The Staff Backend Software Engineer will design and improve scalable backend systems for Dropbox's Commerce Platform, ensuring system reliability and data consistency while influencing technical strategy and collaborating with cross-functional teams.

Design, develop, test, deploy, maintain, and debug software solutions. Create technical designs and documentation, propose solutions for complex business needs, and support release and integration activities while following SDLC and risk management practices.

Contribute to the design and implementation of scalable cloud-based solutions, focusing on user interfaces and backend services, while engaging in AI integration and technical improvements.