Senior Fullstack Engineer (TypeScript)

**Build high\-performance analytics software used by leading eCommerce brands to make real revenue decisions.** Our Client is scaling one of the most advanced marketing intelligence platforms in the market. Their product gives brands a unified, reliable view of ad spend, attribution, and the full customer journey through powerful dashboards and analytics infrastructure. They have strong product\-market fit, rapid growth, and are expanding their engineering team. They are hiring a **Senior Fullstack Engineer (TypeScript)** to own major product features across the stack and help shape the technical direction of the platform. **The Role** This is a true product engineering role. You will design, build, and ship end\-to\-end features that power a sophisticated analytics dashboard used daily by enterprise customers. You will work closely with product managers, customer success, and users to translate real\-world needs into scalable technical solutions. The role combines frontend performance, backend services, and data\-heavy systems. You will operate with high autonomy and significant ownership. **What You’ll Do** \- Own features end\-to\-end, from design through production deployment \- Build and scale complex dashboard experiences using React and TypeScript \- Develop and maintain backend services using REST and GraphQL APIs \- Write and optimize SQL queries across large datasets \- Improve performance, rendering speed, and developer ergonomics \- Help define technical direction and engineering best practices \- Mentor engineers and contribute to internal technical documentation \- Balance rapid iteration with long\-term maintainability **What They’re Looking For** **\- 5\+ years** building frontend and backend systems using **TypeScript** **\- 3\+ years** working with **React** or modern component\-based frameworks \- Experience building API services ( **REST** and/or **GraphQL** ) \- Strong **SQL** skills, ideally with **BigQuery** experience \- Ability to independently ship production\-ready code \- Strong systems thinking and ability to balance speed with architecture \- Experience collaborating cross\-functionally in product\-driven teams **Nice to have:** **\- Python** experience \- Experience building design systems \- Experience optimizing data\-heavy frontends \- Data visualization experience \- Background in marketing, eCommerce, or ad\-tech **Why This Role Stands Out** \- High ownership product role, not a narrow feature contributor \- Work on data\-intensive dashboards used for real revenue decisions \- Direct collaboration with users and customer\-facing teams \- Strong product\-market fit and rapid growth \- Opportunity to influence technical direction in a scaling company If you enjoy building performant, data\-heavy web applications and want real ownership in a fast\-moving product team, this is a strong opportunity.