Top Senior Full-Stack Engineer Jobs in Chicago, IL

The Senior Full Stack Engineer will enhance the platform by building new features, collaborate across teams, and maintain the quality of the software lifecycle, all while mentoring other engineers.

Lead design and build of an AI-native marketing platform: integrations, multi-agent orchestration, UIs, tooling, analytics, CI/CD, auth/multi-tenancy, and production AI agents to automate marketing workflows and drive adoption across teams.

Owner of end-to-end ecommerce features: design, implement, and maintain scalable backend services and performant React/Next.js frontends. Integrate payment gateways and procurement systems (PunchOut), mentor engineers, uphold code quality, and improve platform stability across Node.js, MySQL, and MongoDB.

The role involves developing and optimizing NT Connect's web platform, creating APIs, collaborating on frontend design, and ensuring high-performance integration for trading partners.

Lead and mentor a team delivering cloud-based, full-stack, microservices solutions. Collaborate with product managers, design scalable systems, evaluate and write code, and adopt modern tools like containers and cloud services to support decisioning technology for card products.

Lead diverse technology projects and teams to create solutions, mentor engineers, collaborate with product managers, and implement cloud-based solutions.

Lead a team of developers on diverse technology projects, create cloud-based solutions, collaborate with product managers, and mentor engineers. Stay updated on tech trends and participate in technology communities.

The Senior Full-Stack Engineer will manage client relationships, design integration solutions, and ensure seamless delivery and optimization of technical workflows, while leveraging AI for efficiency.

Lead software engineering projects and teams, develop cloud-based solutions, mentor engineers, and stay updated with tech trends at Capital One.

Lead diverse technology projects and a team of developers to create solutions for regulatory needs. Mentor other engineers, collaborate on cloud-based solutions, and stay current with tech trends.

Lead design, deployment, and operational health of mission-critical API Gateway platform. Build scalable IaC and CI/CD pipelines, ensure reliability and security (OAuth2, mTLS, JWT), support incident response, shape architecture and vendor choices, and oversee cloud-native deployments and observability.

As a Senior Full-Stack Engineer, you'll lead architectural discussions, implement media processing features, manage APIs, and enhance development pipelines with AI integration. You will also mentor peers and ensure high-performance user experiences.

Lead and deliver cloud-based, full-stack solutions for a global payments network. Manage a portfolio and team, design distributed microservices, mentor engineers, collaborate with product, and use cloud, container, database, and multi-language technologies to meet regulatory and business needs.

The Lead Full-Stack Engineer leads a team in developing and modernizing solutions using React and Python. Responsibilities include architecture management, mentoring engineers, guiding project scoping, and enforcing development best practices.

Build and ship end-to-end fullstack features for pharmacy workflows (340B, intake, reconciliation). Partner with product and ops, design, test, deploy, and support production systems, embed AI into workflows, review code, and raise technical standards in a compliance-critical healthcare environment.

As a Senior Software Engineer, you'll implement collaboration features, support team architecture, work across tech stacks, and improve developer experience.

As a Senior Software Engineer, you'll design, develop, and maintain full-stack applications, utilizing TypeScript and modern frameworks while collaborating cross-functionally to enhance user experience and performance.

The Senior Software Engineer at Braze will design, implement and improve modular components, collaborate with teams, and influence product strategy using various programming languages and technologies.

The Senior Full-Stack Engineer will develop and integrate AI-driven SaaS applications, focusing on backend and frontend engineering, security, and operationalizing ML models.

Design and build a high-performance, AI-native web trading experience for sophisticated retail traders. Ship core trading workflows (order entry, positions, blotter, watchlists, alerts), implement trustworthy AI UI patterns, collaborate with backend engineers on low-latency contracts, and iterate quickly with users and stakeholders to deliver end-to-end product features.

Build end-to-end full-stack AI features on a Ruby on Rails backend and React frontend, design and run experiments (A/B tests and AI evaluations), implement AI infrastructure for reliable LLM inference, and iterate quickly to scale production-ready LLM-powered products.

As a Senior Lead Software Engineer, you'll lead diverse tech projects, mentor developers, and deliver cloud solutions at Capital One.

Lead full-stack engineering team to design, architect, deploy, and support cloud-native microservices and user experiences. Drive use of emerging Generative AI (LLMs, RAG, vector DBs), mentor engineers, collaborate with product, and deliver scalable AWS-based solutions.

Lead and architect full-stack cloud services and user experiences for credit card acquisition, mentor engineers, own deployments, and apply emerging AI/LLM technologies to drive product and engineering improvements.

As a Senior Fullstack Engineer, you'll architect and build a high-concurrency auction engine, leveraging AI for enhanced user experiences and system reliability.