Senior Back-End Developer, Golang

ArcTouch

Senior Back-End Developer responsible for backend services design and maintenance with Golang and PostgreSQL. Collaborating with global teams and utilizing AI in development processes.

Posted 6/12/2026contractRemote • 🇧🇷 BrazilSeniorWebsite

Tech Stack

Tools & technologies

GoGRPCJestPostgresReact

About the role

Key responsibilities & impact

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.

Requirements

What you’ll need

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.

Benefits

Comp & perks

REMOTE: This position is remote-friendly within the LATAM region.
CONTRACTOR: This is a short-term contractor position.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

GolangPostgreSQLReactgRPCWebRTCJestsystem designAPI developmentstate managementtest automation

Soft Skills

collaborationcommunicationproblem-solvingadaptabilityteamworkglobal collaborationinterpersonal skillsleadershiporganizational skillscritical thinking