Full-Stack Developer

Head Quarters is a global start-up that partners with US cannabis companies to provide support in finance, sales operations, and logistics. At the moment, we are looking for a skilled and driven Full-Stack Software Developer to join our growing team. In this role, you will be responsible for building, scaling, and maintaining modern web applications, working across both frontend and backend systems.

You’ll collaborate closely with cross-functional teams to deliver high-quality, secure, and scalable solutions in a fast-paced environment. Working hours for this role are aligned with the EST time zone (afternoon hours for candidates based in Serbia).

• Build and maintain full-stack features leveraging APIs that pull data from Big Query, contributing to a fast, clean, and scalable production codebase.
• Work within a multi-tenant environment where data isolation and secure access control (including Row-Level Security) are first-class concerns.
• Build and maintain features using SQL databases, with a focus on Postgre
  
  SQL.
• Design and optimize complex queries, manage indexes, schema design and migrations in Postgre
  
  SQL, with the ability to diagnose and resolve performance bottlenecks.
• Contribute to system security, including admin system management and access controls.

• Strong experience with Node.js, and Next.js.
• Advanced knowledge of Python, React, SQL and Postgre
  
  SQL.
• Experience with RESTful APIs and third-party API integrations.
• Solid understanding of multi-tenant architecture and data security (RLS).
• Strong experience with JavaScript and Type Script.
• Excellent knowledge of code versioning practices.
• Experience working in Linux environments.
• Strong database management skills.

• Broader previous exposure to CI/CD pipelines (preferably Git Hub actions).
• Familiarity with PM2 process management.

Opportunity to work on modern, scalable technologies and impactful projects.

Exposure to cutting-edge tools, including AI-driven workflows.

Flexible and dynamic work setup.

Opportunities for professional development and career growth.