Principal Software Engineer, Enterprise Platform APIs

Team: Engineering

Location: Roseville, CA - HQ, San Francisco, CA, Irvine, CA, Austin, TX, Plano, TX, Lehi, UT, West Palm Beach, FL

Workplace Type: hybrid

Salary:

Position Summary 

Essential Job Duties and Responsibilities

• Collaborate with product, architecture, and design leads to deliver highly-available, fault-tolerant products and services.
• Work on significant and unique technical challenges, evaluate and recommend solutions, and guide decision making by considering technical tradeoffs.
• Grasp both the technical and business perspective so you can help drive innovation.
• Work autonomously and be self-disciplined, requiring no supervision or guidance.
• Mentor and coach the team members to grow both their technical skills and soft skills.

Required Skills

Bachelor's degree
9+ years experience in backend or platform software engineering
Highly proficient in backend platform engineering, C#/.NET or TypeScript/Node.js, REST and GraphQL API design, event-driven messaging, OAuth 2.0/OIDC and token lifecycle
Proficient with agentic coding tools and AI-assisted development, including agent design and evaluation, MCP and tool integration, and prompt and context engineering
Adept with agile software development lifecycle and DevOps principles
Passion for software development, emerging technologies and culture of innovation
Excellent communication and interpersonal skills

Preferred Qualifications

Experience with AWS cloud infrastructure, Terraform, and containerized workloads (Kubernetes/ECS)
Hands-on experience with enterprise API gateways (Kong, Apigee) and integrating third-party payment providers
Experience delivering software in a regulated environment (SOC 2, PCI DSS) and translating technical tradeoffs for business stakeholders