Senior Backend Developer | Remote | LATAM Only | 85152

About us:

At Remote Talent LATAM, we connect top Latin American talent with leading U.S. marketing agencies. We guide businesses and candidates through every step of the hiring process, ensuring the perfect match in skills, culture, and goals. While we’re not direct employers, we act as a trusted partner, bridging the gap between exceptional talent and growing opportunities.

Our Client

Our client is a U.S.-based tech boutique building high-scale custom software solutions for clients across industries. Their current flagship project is a large-scale Shopify integration. The team is small, highly technical, and built on years of working together. They move fast, own their work end-to-end, and expect everyone on the team to do the same.

About the Role

Our client is looking for a Senior Backend Developer to take real ownership of backend systems in a high-throughput, multi-tenant environment. This is a hands-on role at the core of a demanding production system, you'll work across service design, concurrency, database architecture, and Shopify integrations while contributing to an ongoing infrastructure migration from Railway to Azure.

Their current backend is primarily Go and TypeScript, but they value engineering fundamentals over language loyalty. If you've built reliable, scalable systems in Go, Python, Node.js, Java, Kotlin, or Rust and you understand what it takes to keep a high-throughput distributed system running, we want to talk to you.

Key Responsibilities

• Design and build backend services, APIs, and async background workers for a high-volume, multi-tenant platform
• Own system design decisions and contribute to architecture discussions with a small, senior team
• Work directly with Shopify APIs as part of a large-scale merchant integration
• Manage and optimize PostgreSQL databases, including connection pooling and query performance
• Contribute to the migration of infrastructure from Railway to Azure
• Identify and resolve performance bottlenecks in a system processing millions of daily transactions
• Write clean, well-documented, testable code and participate in code reviews
• Use AI-assisted development tools to improve speed and quality without compromising engineering judgment

• 5+ years of backend development experience
• Production experience in one or more of: Go, TypeScript/Node.js or Python
• Strong understanding of concurrency models and how to build systems that scale under load
• Deep knowledge of PostgreSQL, including schema design, query optimization, and connection management
• Experience with Redis for caching and async/background processing patterns
• Hands-on experience with GraphQL API design
• Solid system design fundamentals: multi-tenant architectures, distributed systems, event-driven patterns
• Familiarity with Docker; Kubernetes experience is a plus
• Experience with cloud infrastructure, particularly Azure or a comparable provider
• Excellent communication skills and professional English: this role interfaces directly with internal teams and clients
• Self-directed and proactive

Nice to Have

• Experience with Shopify APIs, custom app development, or large-scale merchant integrations
• Go experience specifically, given the current primary stack
• Background working in a consultancy or client-facing engineering environment
• Familiarity with Railway or similar modern infrastructure platforms
• Experience with Bun or other emerging JavaScript runtimes
• Knowledge of observability tooling and production monitoring practices

• 🕘 Working hours: 9:00 AM – 5:00 PM.
• 💵 Salary: $4,500 USD.
  

This position is only open to candidates residing in Latin American (LATAM) countries, such as: 🇦🇷 🇧🇷 🇨🇱 🇨🇴 🇨🇷 🇩🇴 🇪🇨 🇸🇻 🇬🇹 🇭🇳 🇲🇽 🇳🇮 🇵🇦 🇵🇾 🇵🇪 🇺🇾 🇻🇪

❌ Applications from candidates outside LATAM (including the U.S. and other regions) will not be considered.
📄 Resumes must be submitted in English.
🚫 Applications that do not meet these criteria will be automatically rejected