Top Software Engineer Jobs in Chicago, IL

Develop and maintain Ruby on Rails applications, write and review code, troubleshoot bugs, and collaborate with developers, QA engineers, product managers, and designers. The intern will receive mentorship while contributing to financial technology products and learning about scalable systems, testing, APIs, Agile methods, and consumer finance.

Develops secure, scalable Java full-stack solutions for commercial and investment banking data platforms. Responsibilities include designing master data models, ingestion and distribution pipelines, APIs, knowledge graph CI/CD pipelines, AWS infrastructure, and resilient cloud environments. The role also produces architecture artifacts, troubleshoots complex systems, applies secure coding practices, and uses AI-assisted development tools responsibly.

Develop and support AI-powered digital solutions across mobile, web, cloud, and enterprise platforms. Responsibilities include designing microservices, enabling APIs, deploying Microsoft Fabric patterns, developing AI agents, building Python data pipelines, testing software, resolving defects, evaluating emerging technologies, and contributing to UI/UX design. The role offers hands-on development, mentorship, and project ownership for candidates with up to two years of experience.

Build, enhance, refactor, and integrate scalable software systems for digital banking and lending products. Translate business requirements into reliable software, consider service architecture, lead design and code reviews, investigate data issues, and contribute to engineering strategy. The role focuses on backend web applications, relational data modeling, performance improvements, external integrations, and collaboration with developers, QA, product managers, and technical leadership.

Build software, data pipelines, dashboards, and automation for cloud cost visibility, infrastructure efficiency, reliability, engineering productivity, and financial accountability. Analyze workloads and billing data, implement AI- and analytics-enabled forecasting and anomaly detection, develop cloud-native services, and support capacity planning, cost allocation, and optimization. Collaborate with Engineering, Finance, Data, Platform, SRE, Architecture, and Product teams while testing, troubleshooting, documenting, and communicating recommendations and business value.

Lead full-cycle development of API and web applications, from architecture and design through deployment and support. Collaborate with product, design, and engineering teams to set technical direction, deliver secure and scalable solutions, improve developer productivity, and support Agile delivery. Responsibilities include code reviews, troubleshooting, documentation, observability, automation, quality measurement, and responsible use of AI-assisted development tools.

Develop and maintain scalable backend services for programmatic advertising platforms. Responsibilities include designing REST APIs, analyzing requirements, integrating and releasing software, managing production deployments, troubleshooting complex issues, collaborating with QA and cross-functional teams, conducting code reviews, mentoring engineers, and promoting reliable engineering practices. The role requires Python and Django expertise, PHP experience, AWS and Kubernetes/EKS experience, and on-site work in Chicago twice weekly.

Designs, develops, integrates, tests, deploys, and supports scalable backend software and web applications. Builds RESTful APIs with Django, contributes to architecture, documents technical work, and supports production services using Kubernetes, EKS, and AWS. Mentors junior engineers, collaborates with stakeholders and QA, evaluates performance metrics, supports releases, and presents technical decisions to internal and external audiences. The role requires independent judgment and occasional nights or weekends.

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.

Software Engineering Intern supporting business technology projects from initiation through delivery. The role provides hands-on exposure to software engineering, data engineering, visualization, reporting, and quality assurance. Responsibilities include requirements gathering, design sessions, stakeholder collaboration, debugging, source control, and presenting completed deliverables. The intern will work with JavaScript or TypeScript, React, HTML5, CSS, and 3D/web graphics technologies while contributing to interactive web applications or games.

Design, develop, and maintain secure, high-quality production code across C#/.NET and Java Spring Boot systems. Produce architecture and design artifacts, apply SDLC and CI/CD practices, use enterprise AI-assisted development tools, and analyze data to improve resiliency and code hygiene. Troubleshoot complex issues and ensure operational stability.

Own technical delivery for the Curo Medical Management Platform, including architecture, solution design, implementation, release execution, and sprint predictability. Optimize user interfaces, microservices, databases, and infrastructure performance. Develop AI-powered features and integrations, evaluate emerging technologies, support responsible AI adoption, lead technical reviews, and mentor engineering teams.

Develop and maintain secure, scalable, testable features for Flywire’s billing and payments platform. This full-stack role involves Java application development, relational database work, automated testing, quality and performance assurance, and collaboration with engineering and product teams across global time zones. The engineer will also use AI-assisted development tools, navigate legacy systems, communicate with stakeholders, and contribute to solution design and problem-solving.

Develop and maintain full-stack billing and payments features using Java and related technologies. Build secure, scalable, testable code; write comprehensive unit tests; use AI-assisted development tools; collaborate with engineering and product stakeholders across global teams; and contribute to solutioning and technical decision-making.

Design, build, and operate foundational developer infrastructure across CI, build systems, deployment orchestration, and test platforms. Improve build speed, deployment safety, and test reliability while owning services end to end, including SLOs, observability, and on-call responsibilities. Partner with engineering teams to address platform pain points and lead cross-cutting technical projects through production.

Designs, develops, tests, deploys, documents, maintains, and debugs software solutions for PNC’s Asset Management Group. The role addresses complex business needs through technical design, application development, architecture, troubleshooting, testing, and release management. It is remotely based in Pennsylvania, with occasional in-office participation as needed.

Develop and deploy slot-game features in Unity and C#, including gameplay, UI/UX, engine systems, and creator tools. Build server-backend functionality, investigate and extend slot-engine systems, define technical tasks, and quickly resolve bugs. The role requires collaboration, strong communication, and delivery under deadlines, with opportunities to work on live mobile games and performance optimization.

Build and maintain backend services, REST APIs, data layers, tests, and microservices for a SaaS platform. Responsibilities include debugging distributed production systems, managing PostgreSQL and advanced data stores, documenting APIs and data models, participating in Agile development and code reviews, and owning a platform domain. The role requires Java or Kotlin, Spring Boot, API design, database optimization, monitoring, security tooling, and AI-assisted development. Preferred experience includes Go, Neo4j, RabbitMQ, Redis, multi-tenant SaaS, event-driven systems, microservices, and containerization.

Develop, test, deploy, monitor, and document enterprise software solutions for logistics products and systems. Collaborate with Product, Design, Engineering, and other departments to solve complex problems, deliver scalable technical solutions, improve automation and test coverage, and support high-quality product development. Participate in technical standards, knowledge-sharing, and cross-team initiatives while building expertise in the logistics industry and customer needs.

Build, enhance, and support microservices powering financial portfolio construction, data integrations, and real-time operational workflows. Develop production applications, APIs, cloud-native services, data pipelines, and containerized deployments while collaborating with stakeholders to deliver reliable platform capabilities. Responsibilities include software testing, debugging, troubleshooting, and supporting technology infrastructure for customized investment portfolios.

Develop and operate backend systems supporting post-transaction processing for Affirm Card. Break down projects, write tested and extensible code, collaborate with product and engineering teams, monitor system health, troubleshoot issues, participate in on-call support, and contribute to code reviews and team development.

Design and own secure, scalable wallet infrastructure for custody, key management, transaction signing, authorization, recovery, and multichain systems. Architect support for MPC, HSMs, secure enclaves, TEEs, smart contract wallets, account abstraction, and emerging cryptographic approaches. Define security boundaries, policy engines, secrets management, authentication, and programmable authorization while making foundational build-versus-buy decisions and guiding systems from first principles through production.

Build and scale Go backend services for agent quoting, configuration, and application submission. Design APIs and distributed systems, write unit and integration tests, resolve partner-specific issues, contribute to architecture, support production debugging, improve CI/CD automation, and use AI coding tools in daily engineering workflows. Collaborate with adjacent teams and mentor teammates through pairing and documentation.

Develop, own, and deploy core features across full-stack applications. Collaborate in Agile teams to design APIs, work with microservices/event-driven architectures, optimize SQL databases, debug production issues, participate in on-call rotation, and use AI tools to improve development workflows.

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