Top Software Engineer Jobs in Chicago, IL

Design and build web and mobile trading applications using React/React Native and .NET; extend WebSocket/REST APIs; process streaming market data; collaborate with product and vendors; troubleshoot urgent issues; apply AI coding assistants responsibly.

Develop and maintain Dynamics 365 Business Central AL extensions, integrations, environments, reports, and applications across two manufacturing companies. Lead an MRP integration, entity separation, Snowflake data warehouse pipelines, Power BI content, and a customer pricing portal. Provide ERP troubleshooting and occasional Level 1 support while collaborating with finance, operations, sales, and shop-floor teams.

Lead backend engineer responsible for system-level design, implementation, and ownership of low-latency, high-reliability trading and market-data backend systems. Translate business needs into technical designs, write production-ready code, design schemas and integrations, lead reviews, reduce technical debt, and support production while establishing engineering standards and observability.

Lead cross-functional teams to design, build, and deliver high-quality web, mobile, and embedded software. Provide technical direction, mentor developers, promote best practices (TDD, Agile), communicate with clients, and contribute to company technical outreach. Balance hands-on coding with architecture, team coaching, and client-facing responsibilities.

Lead and scale a multi-product engineering organization, define technical and AI-first strategy with Product/GTM, drive engineering excellence and scalable architecture across frontend/backend/infrastructure, accelerate AI-assisted workflows, remove execution blockers, and foster a strong ownership-focused engineering culture.

The Senior Software Engineer will design and build cloud-native applications, lead technical initiatives, and mentor junior developers while collaborating with the product team.

Design and execute software usability tests, run test scenarios, and prepare reports on test effectiveness. Role requires a Bachelor’s in Computer Science/Engineering (or equivalent) and 7+ years building, architecting, and troubleshooting large-scale infrastructure with a focus on reliability and scalability.

Develop, test, and maintain scalable backend RESTful APIs and microservices using Java and Spring Boot on cloud platforms. Define API contracts/OpenAPI specs, implement OAuth2-based integrations, write automated tests, support CI/CD and deployments, troubleshoot production issues, participate in code reviews, and maintain technical and operational documentation.

Build and support production-grade Python services, libraries, and analytics tools for options portfolio construction, risk analytics, margin monitoring, and trading workflows. Collaborate with portfolio management, research, trading, and sales teams, while serving as a subject matter expert on option markets. Apply software engineering practices and quantitative expertise across financial technology systems.

Designs and delivers secure, scalable full-stack Java solutions for commercial and investment banking use cases. Responsibilities include maintaining master data models, building ingestion and distribution pipelines, developing APIs, creating CI/CD and ML deployment pipelines, implementing AWS infrastructure as code, contributing to knowledge graphs, and producing architecture and design artifacts. The role also requires collaboration across data platform teams and responsible use of AI-assisted development tools.