Senior Back-End Developer

About GlobalPassport™

GlobalPassport™ is building the world's first comprehensive platform for international mobility. Our platform helps users navigate complex citizenship and residency processes through a data-driven approach, managing everything from document collection to application tracking. We're creating tools that analyze mobility assets across 80+ countries, helping users make informed decisions about their global mobility options..

About the Role

We are seeking a skilled and passionate Backend Engineer to join our eight-person engineering and design team based in Brazil and Argentina. This role is an opportunity to play a key part in collaborating closely with frontend, data, and product specialists to deliver mission-critical features, backend services, and APIs that power a seamless user experience and help people make informed decisions about global mobility options.

Key Responsibilities

• System Architecture & APIs: Design and build scalable, well-documented RESTful and RPC-based APIs to serve both internal tools and external applications.
• Database Design & Optimization: Architect and manage secure, high-performance PostgreSQL and NoSQL databases. Ensure data integrity, migrations, and indexing strategies for fast queries.
• Secure Document Handling: Develop and maintain our secure file storage system for user-submitted documents, integrating with third-party verification APIs.
• Performance & Scalability: Optimize backend systems to support thousands of concurrent users. Identify bottlenecks, refactor code, and implement caching and load balancing solutions.
• DevOps & CI/CD: Set up and manage CI/CD pipelines using GitHub Actions. Ensure deployments are automated, tested, and reliable.
• Team Collaboration & Code Quality: Collaborate with full-stack and frontend engineers on API consumption. Advocate for clean, maintainable, and well-tested code. Mentor mid-level developers and review pull requests.

Requirements

Tech Stack & Requirements:

Languages & Frameworks

• JavaScript/TypeScript with Node.js
• Strong experience with Express.js or similar frameworks
• Python experience is a strong plus

Database

• PostgreSQL (primary), familiarity with NoSQL stores
• Data modeling, migrations, query optimization

Infrastructure

• Cloud platforms (AWS preferred – S3, ECS, EC2)
• CI/CD with GitHub Actions
• Containerization knowledge (Docker)

API & Services

• REST and TRPC experience
• Authentication/authorization integrations (e.g., Clerk)
• Secure file uploads and access control

Testing & Quality

• Familiarity with automated testing tools (e.g., Jest, Playwright)
• Strong debugging and monitoring practices

Desired Experience

• Track record of building secure, compliant systems
• Experience with AI/ML integration for document processing
• Experience building document management platforms
• Background in fintech or other regulated industries (ideal)

Must-Have Qualities

• Strong attention to detail, especially regarding data security
• Ability to write clean, maintainable code
• Experience building user-friendly interfaces for complex workflows
• Commitment to writing well-tested, production-ready code
• Excellent communication skills and ability to work in a remote team

Project Examples You'll Work On

• Building interactive dashboards for tracking residency applications
• Implementing secure document upload and verification systems
• Creating visualization tools for mobility asset portfolios
• Developing automated eligibility assessment tools
• Experience with AI-powered tools, such as recommendation engines or chatbots, is a plus.
• Building internal tools for managing user applications and support

Benefits

What We Offer

• Impactful Work: Contribute to a platform that simplifies global mobility, helping users make informed decisions about citizenship and residency options.
• Competitive Compensation: Receive a competitive salary, performance incentives, and opportunities for career advancement
• Significant Equity: Equity grant aligning your success directly with the company's growth. Potential for Outsized Returns: Opportunity for substantial appreciation as we disrupt the global mobility industry.
• Professional Growth: Work on a product during a critical growth phase alongside experienced professionals from diverse fields.
• Flexible & Remote: Enjoy the freedom of working remotely with flexible hours, as long as you meet core deliverables.
• Collaborative Culture: Join a high-energy, supportive team that values innovation and encourages new ideas.

 Additional Benefits

- Remote work flexibility including in-person meetings with South America-based engineering and design teams occur six times per year

- The chance to build a world-changing company from the ground up.

How to Apply

If you're ready to leverage your technical expertise to break down global barriers and create unprecedented opportunities for people worldwide, we'd love to hear from you.

Apply now and let's change the world together.

Join us in redefining global mobility and making international options accessible to everyone.

To apply, please send your resume, GitHub profile, and a brief note about why you're interested in revolutionizing global mobility