Sr Software Engineer (Node, React)
About The Position
CGI is looking for a talented and experienced Full Stack Developer who enjoys building modern, high-impact web applications end-to-end. In this role you’ll work across the stack using React, Node.js, Next.js, NestJS and Postgres to deliver scalable, performant products that directly impact users. You'll have a strong voice in technical decisions, collaborate closely with product and design, and help shape both architecture and engineering culture. If you like ownership, solving real-world problems, and working with a pragmatic, modern tech stack—this is a great fit. This position requires someone who is local to St. Louis, MO and willing to work on-site three days per week.
Requirements
- 5+ years professional experience software engineer experience
- Strong experience in: React (modern hooks, state management)
- Strong experience in: Node.js (API development, backend architecture)
- Strong experience in: Next.js (SSR/SSG, routing, performance optimization)
- Strong experience in: Postgres (data modeling, query optimization)
- Experience building and deploying production-grade web applications in a cloud environment (AWS strong preferred)
- Solid understanding of RESTful APIs and web architecture
- Familiarity with version control (Git) and CI/CD workflows
- Strong problem-solving and debugging skills
- Strong full-stack engineering mindset
- Ability to own features from concept to production
- Clear and effective communication
- Collaboration across cross-functional teams
- Attention to detail and code quality
- Problem-solving and analytical thinking
Responsibilities
- Design, build, and maintain full-stack applications using React, Next.js, Node.js, NestJS, and Postgres
- Develop scalable APIs and backend services
- Collaborate with product managers and designers to translate requirements into technical solutions
- Write clean, maintainable, and well-tested code
- Optimize applications for performance, scalability, and reliability
- Participate in code reviews and mentor junior engineers
- Contribute to architectural decisions and technical strategy
- Troubleshoot, debug, and improve existing systems
Benefits
- Competitive compensation
- Comprehensive insurance options
- Matching contributions through the 401(k) plan and the share purchase plan
- Paid time off for vacation, holidays, and sick time
- Paid parental leave
- Learning opportunities and tuition assistance
- Wellness and Well-being programs
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What This Job Offers
Job Type
Full-time
Career Level
Senior
Education Level
No Education Listed
Number of Employees
5,001-10,000 employees
