Top Lead Software Engineer Jobs in Chicago, IL

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.

As a Sr. Software Engineer at Bloomerang, you will lead technical direction, mentor engineers, and enhance SaaS solutions while utilizing .NET and AI tools. You will ensure scalable, maintainable applications, advocate for Agile workflows, and focus on quality outcomes in software development.

Leads the design, development, testing, deployment, and support of Java enterprise applications and scalable AWS cloud solutions. Develops RESTful APIs and microservices, contributes to architecture and solution design, troubleshoots complex issues, and drives software quality, CI/CD, testing, and production deployments. Provides technical leadership and mentorship to distributed engineering teams while collaborating with stakeholders, product teams, and end users.

Lead and mentor a team of engineers while contributing hands-on to complex features. Define architecture, drive development best practices, conduct code reviews, coordinate cross-functional requirements, and ensure timely delivery of high-quality ecommerce marketplace software.

Lead an agile engineering team to design, build, and operate secure, scalable full-stack systems. Drive architecture for event-driven microservices, develop Java Spring Boot services and React/TypeScript SPAs, own testing and operational stability, promote AI-assisted engineering practices, and lead technical evaluations and communities of practice.

Leads architecture, development, and operation of scalable Azure and Power Platform solutions. Provides hands-on coding, technical leadership, mentoring, code review, and agile team guidance. Designs Azure DevOps CI/CD pipelines, deployment automation, and infrastructure as code while ensuring security, governance, compliance, performance, and quality. Champions Microsoft Copilot and AI-assisted development, collaborates with product and business stakeholders, and manages multiple initiatives across enterprise software platforms.

Design and develop backend services and APIs for identity resolution, optimize event-driven systems, and enhance system reliability. Mentor engineers and influence architectural decisions.

Leads full-stack software engineering and technical delivery for enterprise applications across the Microsoft .NET and Azure ecosystem. Designs scalable architectures, APIs, integrations, distributed and event-driven systems, and cloud-native solutions. Provides hands-on development, code reviews, troubleshooting, DevOps collaboration, CI/CD, production support, and operational improvement. Mentors engineers, coordinates technical delivery, manages risks and dependencies, and partners with Product, Architecture, Security, QA, and infrastructure teams.

Leads end-to-end modernization from a monolith to microservices, including legacy analysis, architecture, estimation, data migration, deployment, and production support. Guides .NET services, databases, messaging, containerization, and frontend integrations. Acts as the technical escalation point for complex issues while improving Jira tracking, estimation accuracy, QA collaboration, release predictability, and engineering processes. Manages and develops the team through one-on-ones, performance reviews, feedback, and career-focused objectives.

Hands-on technical lead for full-stack applications built with .NET/C#, React/Next.js, and Azure. Own architecture, code quality, CI/CD, production reliability, and integrate AI/GenAI features. Mentor engineers, run design/code reviews, partner with product and infrastructure, and participate in hiring and incident response with strong security and observability focus.

Design, build, deploy, and maintain resilient, scalable production systems for Toast’s retail customers. The role sets long-term technical architecture and strategy, communicates technical direction, mentors senior engineers, improves engineering productivity, diagnoses performance issues, and drives initiatives amid ambiguity. Engineers collaborate directly with retail customers, visit stores, understand operational workflows, and use AI tools to improve development velocity and quality.

Lead technical design, build, and operate scalable, secure healthcare integration systems. Drive architecture, event-driven distributed systems, APIs, observability, IaC, CI/CD, incident response, cross-functional delivery, and mentor engineering teams.

Lead the design, development, and operation of scalable, secure cloud services and Kubernetes infrastructure. Provide technical direction across engineering teams, mentor developers, establish engineering standards, and drive reliability, incident response, automation, cluster lifecycle, workload scheduling, platform efficiency, and multi-tenant systems across commercial and government cloud environments.

Design, develop, test, and deploy supply chain software for inventory, warehouse, and fulfillment systems. Lead technical decisions, mentor engineers, coordinate cross-functional Agile projects, decompose work, delegate tasks, and promote strong development and testing practices. Build monitoring systems that ensure business-process correctness and support high-volume, data-intensive applications.

Lead design and delivery of cloud-native Java/Spring adjudication services. Decompose legacy systems, build APIs, ensure observability, reliability, and security. Drive CI/CD, containerized deployments, AI-assisted engineering, cross-team coordination, documentation, and production support for high-volume transactional claim workflows.

Architect and build microservices using Node.js and Rust, work with cross-functional teams to deliver quality customer-focused features, and improve agile processes.

Lead development and operation of a scalable Kubernetes-based cloud-native platform. Shape the engineering roadmap, deliver enterprise platform capabilities, establish best practices, mentor engineers, and collaborate across Agile teams. Build highly available and fault-tolerant production services using Kubernetes and cloud-native technologies, while applying expertise in Go, Python or Bash, networking, Linux, and CI/CD practices.

Lead the design and architecture of software systems while mentoring a team of developers. Develop production software and implement CI/CD pipelines, using modern technologies and practices.

Provide senior technical support for Ferguson’s custom UniData-based ERP platform. Investigate application, integration, data, and performance issues; perform root cause analysis; support production stability; review code changes; document resolutions; improve monitoring and support processes; and mentor team members. The role collaborates with engineering, QA, business analysts, support teams, and business users, including participation in rotating after-hours incident support.

Lead the architecture and implementation of scalable cloud compute functionality across ARM64 and x86 platforms. Design hypervisor layers, cross-platform build pipelines, and performance optimization solutions while writing, reviewing, documenting, and testing production software. Coordinate globally to deliver compute features and resolve low-level software issues. Provide technical, organizational, and functional leadership to engineers.

Lead technical direction and hands-on execution for major products and systems. Design scalable, reliable architectures across backend, frontend, APIs, databases, and infrastructure; write code; make architecture trade-offs; solve complex production issues; improve engineering quality; lead critical initiatives; and mentor engineers across teams.

Leads application engineering for an AI-powered email product, owning backend, mobile, and desktop architecture. Designs reliable AI workflows with orchestration, state management, retries, fallbacks, and failure handling; builds APIs connecting AI capabilities to product experiences; and leads a senior engineering team through architectural decisions, reviews, mentorship, and production excellence. Partners with ML leadership to ship scalable, observable, secure, and reliable systems while balancing latency, cost, user experience, and maintainability.

Owns technical direction and hands-on execution for major products and systems. Designs scalable backend, frontend, API, database, and infrastructure solutions; writes code; leads architecture decisions; resolves production issues; improves engineering quality; drives critical initiatives; and mentors engineers across teams.

Leads major technical initiatives while designing enterprise identity systems, authorization models, and scalable multi-tenant SaaS architecture. Builds platform components with .NET/C# on AWS, improves data pipelines, resolves complex production issues, and shapes the technical roadmap. Mentors engineers, drives architecture and reviews, coordinates across teams, and supports security, compliance, automation, and continuous platform improvement.

Lead design, build, deployment, and operation of highly resilient, high-throughput configuration and publishing systems. Define long-term architecture and strategy, mentor senior engineers, diagnose and fix performance bottlenecks, and leverage AI tools to improve engineering productivity and platform capabilities.