Senior Full-Stack Developer (TypeScript, React, Next.js) - Brazil

Location: Remote
Type: Full-Time
Company: Buildofarm
Industry: Oil & Commodities | Education & Advisory

Who We Are

Buildofarm is not your average brokerage or training firm. We’re building the next generation of elite commodity brokers—closers capable of landing multimillion-dollar deals from anywhere in the world. But behind every new broker is an experienced dealmaker guiding them to success. That’s where you come in.

About the Role

We’re looking for a Senior Full-Stack Developer who thrives on ownership, technical excellence, and solving complex problems. This isn’t just another coding role—it’s a chance to shape product direction, influence architectural decisions, and build solutions that matter.

You’ll work directly with the founder, making high-impact technical decisions and contributing to the long-term strategy of the product and the company.

What You’ll Be Doing

• Lead full-stack development of enterprise applications from concept to deployment

• Take full ownership of features, including planning, implementation, and monitoring

• Architect and implement scalable backend services and APIs using modern frameworks such as tRPC

• Build responsive, high-performance user interfaces with modern React patterns (hooks, context, performance optimization)

• Design and optimize database schemas and queries (PostgreSQL + Prisma or Drizzle ORM)

• Implement secure authentication and authorization systems

• Develop real-time features using WebSockets and event-driven architecture

• Write comprehensive tests to maintain high-quality code standards

• Identify and solve critical issues proactively before they impact the product
  

You Are

• 5+ years of professional experience with TypeScript and modern React

• Strong expertise in Next.js with an emphasis on SEO optimization

• Proficient in PostgreSQL, Redis, and TailwindCSS

• Skilled in building secure and maintainable code following best practices

• Able to work autonomously, make technical decisions, and manage complex projects independently

• Experienced with REST APIs, async flows, and error handling

• Hands-on with testing frameworks such as Jest, Cypress, or Playwright

• Comfortable with Git workflows, code reviews, and CI/CD pipelines
  

Bonus Points If You

• Have production experience with TanStack Query and tRPC

• Worked with modern authentication solutions like Better Auth

• Built WebSocket-based real-time applications

• Used Zustand or similar state management libraries

• Have cloud platform experience (AWS, Vercel, Railway) and serverless architecture

• Understand Docker, containerization, microservices, and distributed systems

• Built or maintained design systems and component libraries
  

Why Join Us

• Be part of an innovative, high-performance tech team

• Directly influence product and technical decisions

• Remote-first culture with flexible work arrangements

• Work on challenging, cutting-edge projects with modern technologies
  

Salary: OTE $50,000 - $80,000/year

Location: US-based (remote)