Senior Back-End Developer Golang (Short-Term Contract) For over 15 years, ArcTouch has created lovable apps, websites, and connected experiences for world-class companies, leading brands, and innovative startups. On a typical day with us you will: Architect & Code: design, develop, and maintain robust, scalable, and high-performance backend services using Golang and PostgreSQL. Bridge the Stack: contribute to frontend architecture using React, ensuring seamless state management and component-driven design. Innovate with AI: integrate AI coding assistants (like GitHub Copilot and Cursor) into your daily workflow, using agentic concepts to break down complex architectural goals into actionable AI prompts. Implement Real-Time Tech: utilize high-performance communication protocols (gRPC, WebRTC) for seamless, real-time data flow. Ensure Quality First: write, modify, and manage complex test suites using Jest to maintain a highly automated, resilient test environment. Collaborate Globally: work closely with cross-functional, international teams (mobile, QA, product) to deliver end-to-end, high-impact solutions. Required Experience: Strong System Design: proven track record of architecting scalable, resilient backend systems, database schemas (specifically with PostgreSQL), and robust APIs using Go. Frontend Architecture: deep understanding of React, state management, and component-driven architecture. Real-Time Protocols: practical experience with high-performance real-time communication protocols, specifically gRPC and WebRTC. AI-Augmented Development: practical experience using AI coding assistants (e.g., GitHub Copilot, Cursor) and an understanding of Agentic Workflows(breaking down complex architectural goals into actionable prompts/tasks for AI). Test-Driven Harnessing: strong background in building automated test environments and writing/modifying complex tests using Jest. English Fluency (Advanced/Fluent): ability to communicate effectively and confidently with international clients and global teams, both verbally and in writing. We consider a nice to have: Familiarity with cloud platforms (specifically AWS services). Experience working in a consulting environment or with international clients. REMOTE: This position is remote-friendly within the LATAM region. CONTRACTOR: This is a short-term contractor position.