Mid-level Full Stack Engineer C# .NET
Role details
Job location
Tech stack
Job description
Workplace Services Engineering is transforming how employers and participants experience workplace financial solutions. As a Senior Full-Stack Software Engineer, you'll play a critical role in modernizing platforms that support millions of participants. You'll collaborate across engineering, product, and business partners to design, build, and improve scalable applications that are secure, resilient, and intuitive.
This is a role for someone who enjoys solving complex problems, influencing technical direction, and mentoring others-while continuing to grow their own skills in a fast-moving, purpose-driven environment.
What You'll Do
- Design, build, and enhance full-stack applications that support critical workplace and retirement solutions
- Modernize legacy systems to improve scalability, performance, security, and compliance
- Develop and consume APIs and services that enable safe, efficient integration across platforms
- Apply sound engineering practices to improve system reliability, availability, and performance
- Partner closely with peers to influence design decisions and technical standards
- Use AI-assisted development tools to improve productivity, quality, and speed
- Contribute to a collaborative engineering culture through mentoring, knowledge sharing, and clear documentation
Requirements
- 8+ years of hands-on experience building and maintaining full-stack web applications; BS/MS degree preferred or equivalent experience.
- Demonstrated ability to design, develop, and support enterprise-grade software solutions
- Proficiency in C# and modern .NET development
- Strong working knowledge of JavaScript, HTML, and CSS
- Experience building client-side applications using modern frameworks such as Angular and TypeScript
- Ability to design and consume RESTful APIs and services
- Solid understanding of relational databases and SQL fundamentals
- Demonstrated ability to write maintainable, well-tested code using modern testing practices
- Strong communication skills with the ability to collaborate across technical and non-technical partners, * Experience designing scalable architectures and applying domain-driven design concepts
- Familiarity with authentication and authorization frameworks
- Experience improving application performance, resilience, and observability
- Exposure to cloud-based or distributed systems
- Experience working in Agile or Scrum-based delivery teams
- Passion for continuous learning and mentoring others
Benefits & conditions
Tuition reimbursement, Paid parental leave, Employee stock purchase plan, Parental leave, Health insurance, 401(k) matching, Vision insurance, Dental insurance, We offer a competitive benefits package that takes care of the whole you - both today and in the future:
- 401(k) with company match and Employee stock purchase plan
- Paid time for vacation, volunteering, and 28-day sabbatical after every 5 years of service for eligible positions
- Paid parental leave and family building benefits
- Tuition reimbursement
- Health, dental, and vision insurance