Senior Full-Stack + Data Engineer (TypeScript / Node.js / SQL)

About the Role

We are looking for a Senior Engineer who combines Full-Stack and Data Engineering expertise.

This is a hybrid role where one person covers both:

• Full-Stack development (Node.js + React)
• Data layer ownership (SQL Server, data access, troubleshooting)

The role is highly hands-on and involves working across multiple layers of a complex system, with a strong focus on production stability and customer-facing troubleshooting.

Responsibilities

• Maintain and develop Node.js APIs and React frontend
• Work with GraphQL and support full-stack feature delivery
• Own and maintain the data layer (Microsoft SQL Server)
• Implement and optimize data access logic using TypeScript
• Investigate and resolve data-related and application issues
• Participate in live troubleshooting sessions with customers
• Ensure system stability across frontend, backend, and database layers
• Collaborate with engineering and product teams on improvements

Tech Stack

• Backend: Node.js (Hapi.js), TypeScript
• Frontend: React.js, MobX
• API: GraphQL
• Database: Microsoft SQL Server
• Additional: C# (data ingestion & analysis layer)

Requirements

• Strong experience with Node.js and TypeScript
• Solid frontend experience with React.js
• Strong knowledge of SQL and database design (MS SQL Server preferred)
• Experience working with data access layers and data troubleshooting
• Hands-on experience with production systems and debugging
• Experience in customer-facing environments (calls, troubleshooting)
• Ability to work across both application and data layers
• Fluent English (C1)

Nice to Have

• Experience with GraphQL
• Experience with complex or legacy systems
• Exposure to C# or data ingestion systems

Hiring Process

• Intro
• Technical interview (with live coding)
• Final interview (technical + interpersonal)