Senior Fullstack Software Engineer

Were looking for a Senior Fullstack Software Engineer (D4) to join as a technical leader who will help shape this platform from the ground up. At the D4 level, youll lead complex projects, make architectural decisions, and help set the technical direction for our products.

"I lead complex projects, make architectural decisions, and help set the technical direction for our products."

Our engineering culture is lean, agile, and action-oriented. We move fast, ship often, and care deeply about quality and user experience. As a D4 engineer, youll balance hands-on coding with technical leadership, owning significant parts of our architecture.

As a Senior Fullstack Engineer (D4), youll be a technical leader who owns significant parts of our architecture. Youll balance hands-on coding with technical leadership, driving complex projects from conception to delivery.

Core D4 Responsibilities:

• Lead development of complex features end-to-end, from design through deployment

• Make architectural decisions for your domain that balance performance, scalability, and developer experience

• Define and enforce coding standards across our TypeScript stack

• Drive technical debt reduction and maintain system quality

• Coordinate cross-team dependencies and technical initiatives

• Conduct technical interviews and help build our engineering team

• Mentor engineers and contribute to technical knowledge sharing

Day-to-day Impact:

• Own features and technical domains independently

• Guide architectural decisions across the platform

• Collaborate closely with product and design teams

• Help shape the technical roadmap and long-term product strategy

• Frontend: Next.js (TypeScript, React)

• Backend: NestJS (TypeScript)

• Infrastructure: Cloud-native deployment and scaling

• Development: Modern CI/CD, automated testing, agile workflows

D4 Technical Requirements:

• Expert-level knowledge of TypeScript, Next.js, and NestJS

• Strong system design skills you can architect scalable, maintainable solutions

• Production debugging expertise you can diagnose and resolve complex technical issues

• Security and performance optimization experience

• 4+ years building and scaling production-ready software

Technical Leadership:

• Experience leading complex projects involving multiple engineers

• Ability to make architectural decisions that scale well over time

• Strong mentoring and knowledge-sharing capabilities

• Cross-functional collaboration with product, design, and business teams

Working Style:

• Strong ownership mindset you prevent problems before they occur

• Technical innovation you introduce patterns that teams adopt

• Project leadership complex projects you lead ship on time

• Product-focused approach you care as much about why something is built as how its built