Backend Developer (Go + React)

Location: Bangalore, Karnataka, India (Hybrid)Experience: 3 - 4 YearsJob Type: Full-timeWhat You'll BuildAt GreedyGame, you'll work on products that process large volumes of advertising, analytics, and monetization data powering the mobile ad ecosystem.This is a backend-heavy role. We're looking for engineers who are primarily strong backend builders with deep, hands-on Golang experience, and who can also confidently build and maintain React-based user interfaces when needed. The majority of your time will be spent on system design, API development, and backend architecture — not UI work.You will own features end-to-end—from database design and API development to frontend implementation and production deployment — with backend ownership as the core of the role.Must-Have SkillsGolang (Non-Negotiable, Primary Focus)Minimum 1.5+ years of hands-on production experience building backend services in Golang.Strong understanding of goroutines, channels, concurrency patterns, and memory management.Experience building REST APIs, background workers, event-driven systems, or microservices.Ability to design scalable backend architecture, debug production issues, optimize performance bottlenecks, and write maintainable Go code.Comfortable owning backend systems independently, including infrastructure and deployment concerns.React & Frontend Development (Required, Secondary)Experience building production-grade applications using React.js — this is a must-have, even though the role is backend-focused.Strong understanding of component lifecycle, state management, rendering behavior, and API integration.Experience working with Next.js is preferred.Familiarity with Redux, Zustand, or similar state management solutions.Databases & InfrastructureExperience designing and optimizing SQL databases such as PostgreSQL or MySQL.Strong understanding of query optimization, indexing, transactions, and schema design.Experience working with Redis for caching.Familiarity with Docker, Kubernetes, CI/CD pipelines, and cloud environments is highly preferred.What Will Make You Stand OutExperience working on ad-tech, analytics, fintech, gaming, SaaS, or other high-scale platforms.Experience handling systems serving millions of API requests or large-scale datasets.Strong understanding of observability, logging, profiling, and production debugging.Contributions to open-source projects, technical blogs, or side projects built using Go.We May Not Be the Right Fit IfMost of your experience is frontend-focused with limited backend ownership.You have only academic, training, or side-project exposure to Golang.You have not worked with Golang in a production environment.You have no working experience with React, even if your focus is primarily backend.You prefer narrowly defined tasks over end-to-end product ownership.What Success Looks LikeWithin your first few months, you will:Build and optimize scalable Golang backend services as your primary responsibility.Ship production-ready features across the backend and, when needed, the frontend.Improve system performance and reliability.Contribute to architectural discussions and code reviews.Take ownership of features from design through deployment.Skills: analytics,react,api,go,ownership,api development