Back End Developer

Key Responsibilities

• Design, develop, and maintain scalable backend applications and microservices using Go (Golang).
• Build, maintain, and optimize RESTful APIs, including HTTP routing, middleware, request validation, and error handling.
• Develop and manage database integrations using PostgreSQL, including SQL queries, transactions, data consistency, and query optimization.
• Implement caching mechanisms and data management strategies using Redis.
• Develop concurrent applications using Goroutines, Channels, Context, and other Go concurrency patterns.
• Implement authentication, authorization, and application security best practices to protect backend services and sensitive data.
• Write clean, maintainable, reusable, and efficient code following software engineering best practices.
• Perform unit testing, integration testing, debugging, and code reviews to ensure software quality and reliability.
• Monitor application performance, troubleshoot production issues, and optimize memory and CPU utilization.
• Implement logging, monitoring, and observability practices to ensure system stability and availability.
• Manage background jobs, queue processing, third-party API integrations, and external service connectivity.
• Participate in system architecture discussions, technical documentation, deployment processes, and CI/CD implementation.
• Collaborate with cross-functional teams, including frontend developers, QA engineers, DevOps engineers, and technical stakeholders.

Technical Requirements

• Strong proficiency in Go (Golang), including syntax, data types, structs, interfaces, methods, pointers, and memory management.
• Hands-on experience in backend development and REST API implementation.
• Good understanding of HTTP protocols, middleware, routing, and API integration.
• Experience working with PostgreSQL, including database integration, SQL queries, transactions, and query optimization.
• Familiarity with Redis and caching strategies.
• Strong understanding of concurrency concepts, including Goroutines, Channels, race conditions, and deadlock prevention.
• Knowledge of error handling, panic recovery, context management, and timeout handling.
• Experience implementing unit testing, integration testing, and debugging practices.
• Understanding of application security, authentication, authorization, and secure configuration management.
• Familiarity with Git, dependency management, code review, and clean code principles.
• Understanding of logging, observability, application performance optimization, and production troubleshooting.
• Familiarity with CI/CD pipelines, deployment processes, background jobs, and queue processing.
• Good problem-solving, analytical thinking, and communication skills.

Additional Qualifications

• Experience designing and developing scalable backend architectures and distributed services.
• Experience handling production incidents, performance bottlenecks, and reliability challenges.
• Understanding of fault tolerance, system resilience, and high-availability application design.
• Ability to work independently, collaborate with engineering teams, and continuously improve technical solutions.

What We Are Looking For:

We welcome candidates across Junior, Middle, and Senior levels, with responsibilities and technical expectations aligned with their experience and proficiency.

• Junior: Able to develop reliable CRUD APIs, perform standard SQL queries, implement validations, and write basic automated tests with guidance.
• Middle: Able to independently manage backend modules, develop system integrations, handle concurrency, and troubleshoot production issues.
• Senior: Able to lead backend architecture and reliability decisions, resolve complex production incidents, establish engineering standards, and mentor other developers.