Fullstack Developer (TypeScript)

Heliqon; United States; Remote; USD 120,000 - 180,000; Full time

Benefits offered by this job

Close collaboration with early-custom​

Influence product direction

Job summary

Heliqon is building a platform for manufacturers to coordinate real-world operations. As an early engineering hire, you will ship full-stack features using React, Node.js/Express, and TypeScript while shaping the product and engineering culture alongside a small founding team.

You’ll work with pilot customers to test workflows, iterate on architecture, and establish maintainable patterns for testing, deployment, and observability as the product scales.

Qualifications

• Experience using TypeScript on frontend and backend.
• Full-stack experience with React and Node.js/Express.
• Proficient with REST or GraphQL APIs and SQL databases.
• Basis understanding of deployment and hosting.

Responsibilities

• Develop end-to-end features with React, Node.js/Express, and TypeScript.
• Design REST or GraphQL APIs and connect the product with external systems.
• Model data and implement database interactions with a SQL-first approach.
• Improve usability and frontend performance while ensuring correctness.
• Collaborate with pilot customers to test workflows and adapt the product.
• Establish maintainable patterns for architecture, testing, deployment, and code review.

Skills

TypeScript

React

Node.js/Express

SQL databases

REST/GraphQL APIs

Git

Cross-stack collaboration

Tools

Next.js

Docker

Job description

Role overview

Build and ship full-stack product features that help manufacturers coordinate real-world operations across people, processes, and existing systems. As an early engineering hire, you’ll work with a small founding team and pilot customers, shaping both the product and the engineering practices behind it.

Responsibilities

• Develop end-to-end features with React, Node.js/Express, and TypeScript.
• Design REST or GraphQL APIs and connect the product with external systems.
• Model data and implement database interactions with a SQL-first approach.
• Improve usability and frontend performance while maintaining correctness and scalability.
• Work directly with pilot customers to test workflows and adapt the product to operational needs.
• Establish maintainable patterns for architecture, testing, deployment, observability, documentation, and code review.

Requirements

• Experience using TypeScript on both frontend and backend.
• Full-stack project experience with React and Node.js/Express.
• Comfort working with SQL databases and REST or GraphQL APIs.
• Basic understanding of deployment and hosting.
• Proficiency with Git, including branches, pull requests, and code review.
• Ability to work across the stack, follow data flows, learn independently, and maintain quality while switching contexts.

Nice to have

• Next.js experience, including Server Actions or API routes.
• Authentication work with JWT or OAuth.
• Familiarity with Docker and containers.
• Experience with unit, integration, and end-to-end testing.

Benefits and work setup

• Close collaboration with early customers and direct feedback from manufacturing environments.
• Opportunity to influence product direction, architecture, and engineering culture as the team grows.