Top Senior Level Software Software Engineer Jobs in Chicago, IL

Build and maintain full‑stack web applications using Vue/Nuxt, TypeScript, Node.js and AWS. Implement SSR/SSG apps, reusable components, APIs, integrations with CMS and third‑party services, and improve performance, accessibility, SEO, monitoring, and AI-enabled marketing workflows. Participate in reviews, debugging, and cross‑functional collaboration.

Senior full-stack JavaScript engineer to develop and modernize web applications. Build backend APIs with Node.js, create responsive single-page apps using Angular.js or Vue.js, implement consistent CSS/SASS, follow MVC/MVVM patterns, work in Agile/Scrum, and promote usability and scalability within a financial services context.

Lead technical development in the corporate Salesforce org, design and implement scalable solutions, write and review Apex code, troubleshoot issues, reduce technical debt, mentor junior developers, collaborate with product owners and architects, and recommend dev-ops and coding best practices.

As a Senior Engineer on the Frontend Infrastructure & Experience team at Braze, you will design and build foundational frontend systems, lead projects, improve developer experience, and create polished customer-facing product experiences.

Lead technical strategy and hands-on delivery for Card Acquisitions engineering. Drive reusable, modular platform capabilities, mentor engineers, design high-performance scalable systems, and partner with product teams to accelerate feature delivery across distributed cloud services and frontend experiences.

Lead and manage a team delivering scalable, highly available payment systems and full-stack microservices. Drive cloud-native solutions, collaborate with product managers, mentor engineers, evaluate and occasionally write code, and adopt new technologies to meet regulatory and business needs.

Lead technical strategy and hands-on delivery for Customer Management platforms, driving architecture, full‑stack development, SRE excellence, migrations, GenAI enablement, experimentation, and mentoring across large engineering organizations to improve credit offer and lifecycle experiences.

Develop and maintain high-performance algorithms for pricing and risk management, collaborate with traders and quants, and ensure accurate model outputs.

The role involves designing and building AI-native systems for revenue teams at Upside, including developing applications, partnering with teams, managing the entire stack, and improving system reliability and performance.

Design, build, and support scalable, cloud-native backend services and REST APIs using Java and Spring Boot. Lead technical design and architecture, implement event-driven and asynchronous systems, optimize databases and performance, and drive CI/CD, observability, and operational excellence. Mentor engineers and collaborate with cross-functional teams to deliver reliable, high-performing solutions on AWS.

The role involves architecting and delivering scalable integration solutions with Boomi, engaging clients, managing projects, and mentoring junior staff while driving business development efforts.

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 build scalable services, APIs, and data models for content and catalog systems. Lead system and low-level design, drive end-to-end delivery, collaborate with product and architecture teams, improve CI/CD and observability, mentor engineers, and safely integrate AI/ML into content workflows.

Lead enterprise architecture strategy for a global payments platform. Establish architecture standards, modernize legacy systems, guide cloud-native and microservices adoption, mentor architects, enable governance, advise the CTO on technology investments, and drive platform scalability, security, and compliance across global engineering teams.