Senior Fullstack Developer – Position Description

Overview

We are hiring a Senior Fullstack Developer to own complex, high-impact work across backend and frontend. You should be highly proficient in TypeScript end‑to‑end and able to integrate quickly into ongoing initiatives. Beyond technical skill, we value a can‑do mindset, rapid self‑learning, and the ability to blend into a project and make progress with minimal guidance.

Responsibilities

• Design and deliver scalable backend services in TypeScript, leveraging serverless and event‑driven patterns on AWS.
• Technologies: Lambda, Step Functions, SES, SQS, SNS, EventBridge, RDS/Aurora (SQL), API Gateway, CloudWatch, Pulumi, SST
• Build and maintain modern frontend experiences (React preferred), with performance and accessibility in mind.
• Contribute to Infrastructure‑as‑Code (IaC) using SST and Pulumi; developer‑friendly, serverless‑first approach (no heavy DevOps expectations).
• Work with microservices and event‑driven architectures, ensuring clean boundaries and robust integrations.
• Design and implement state machines to model business workflows and handle complex processes.
• Apply Dependency Injection (DI) principles to keep code modular, testable, and maintainable.
• Own features end‑to‑end: from technical design proposals, through implementation and testing, to rollout and post‑release follow‑up.
• Maintain high code quality via tests, reviews, and clean architecture practices.
• Collaborate closely with product/design and other engineers; turn ambiguous requirements into clear, deliverable plans.

Requirements

Technical

• 8+ years in fullstack development, with advanced TypeScript across backend and frontend.
• Strong experience with AWS (serverless patterns with Lambda, Step Functions, and related services).
• Proficiency with SQL databases (schema design, performance optimization, migrations).
• Practical experience with IaC (especially SST and/or Pulumi).
• Hands‑on experience with microservices and event‑driven architectures. Understanding of state machine concepts and how to apply them in complex workflows.
• Proficiency with Dependency Injection (DI) and clean code design patterns and concepts.
• Solid grasp of system design, reliability, security basics, and scalability trade‑offs.
• Experience serving in a central role within a system operating at scale, demonstrating ability to handle high traffic, complexity, and growth.

Mindset & Collaboration

• Can‑do attitude: proactive, adaptable, and comfortable owning outcomes.
• Fast self‑learner who can blend into an existing codebase and deliver quickly.
• Clear communicator who gives/receives feedback and mentors when needed.

Nice‑to‑Have

• CI/CD pipeline ownership (e.g., GitHub Actions) and strong automated testing habits.
• Contributions to open source or a demonstrable portfolio.
• Prior leadership experience or driving architecture initiatives.