Senior Go (Golang) Developer

Heli; Oman; Remote; OMR 28,000 - 37,000; Full time

Job summary

A tech company based in Oman seeks a Senior Backend Developer to design and develop robust backend systems using Go. The ideal candidate will have extensive experience in API development and strong knowledge of security principles. This position offers opportunities for career advancement and a dynamic work environment.

Benefits

Tremendous growth opportunities

Full transparency and communication

Innovative work environment

Qualifications

• 5+ years of backend software development experience.
• 5+ years of production-grade Golang development.
• Experience with NATS or similar messaging systems.
• Strong demonstrated experience with SOLID principles and Clean Architecture.

Responsibilities

• Design and implement REST and gRPC APIs using Go.
• Manage CI/CD pipelines using GitHub Actions.
• Secure APIs with OAuth 2.0 and JWT.
• Mentor engineers and enforce clean code practices.

Skills

Go Programming

API Design

Domain-Driven Design

CI/CD Automation

Performance Optimization

Security Practices

Testing Culture

Education

Bachelor's degree in Computer Science or related field

Tools

PostgreSQL

MongoDB

Docker

Kubernetes

Prometheus

Grafana

Job description

Purpose of the JobDesign, develop, and maintain robust, scalable backend systems using Go, enabling the performance and reliability of mission-critical services with strong emphasis on clean architecture and design patterns.

Senior-Level

Remote

Key Responsibilities

• API & Services Development
  • Design and implement REST and gRPC APIs using Go
  • Build scalable backend services and real-time features
  • Apply Domain-Driven Design principles in service design
• Event-Driven Messaging
  • Integrate NATS for asynchronous message handling and pub/sub patterns
  • Design event-driven communication between services
• Database Design & Optimization
  • Manage data models and indexes in PostgreSQL and MongoDB
  • Apply caching strategies using Redis for performance gains
• Deploy and manage services using containerization (nice to have: Docker and Kubernetes)
• Manage CI/CD pipelines using GitHub Actions
• Apply Git workflows and code quality automation
• Performance Optimization & Monitoring
  • Benchmark Go code, optimize for memory and speed
  • Monitor services using Prometheus and Grafana
• Security Engineering
  • Secure APIs with OAuth 2.0, JWT, and secrets management
  • Address OWASP top 10 vulnerabilities in code and services
• Testing & Quality Assurance
  • Apply TDD with Mock-First development concepts
  • Implement comprehensive unit, integration, and E2E tests using Go testing tools
  • Enforce quality gates with Git hooks and automated testing strategies
• System Design & Technical Leadership
  • Own architectural decisions for distributed systems using DDD principles
  • Apply SOLID principles and Hexagonal Architecture patterns
  • Mentor engineers and enforce clean code practices

Competency Requirements

Go Programming & API Design

• Expert in writing idiomatic Go code and designing robust REST/gRPC APIs
• Advanced WebSocket implementation for real-time communication

Software Design Patterns & Architecture

• Domain-Driven Design (DDD)- Advanced understanding of bounded contexts, aggregates, and domain modeling
• SOLID Principles- Expert application in Go codebase design and refactoring
• Hexagonal Architecture (Ports & Adapters)- Advanced implementation for maintainable, testable systems
• Design Patterns- Proficient in GoF patterns and their Go-specific implementations
• Designing modular services that scale and communicate effectively

Messaging & Communication

• Proficient in NATS for pub/sub messaging and service-to-service communication

Database & Caching

• Proficiency in PostgreSQL, Redis, and MongoDB with query optimization

Cloud-Native Development

• Experience with AWS deployment and cloud services (EKS, EC2)
• Working knowledge of Docker and Kubernetes (nice to have)

CI/CD & DevOps Practices

• Automating deployments and code checks using GitHub Actions and Git workflows

Performance & Monitoring

• Benchmarking with pprof, implementing metrics and alerts using Prometheus & Grafana

Security Practices

• Implementing secure APIs, managing secrets, and following OWASP principles

Testing Culture

• Expert in Test-Driven Development with Mock-First concepts
• Writing comprehensive unit, integration, and E2E tests; enforcing quality via Git hooks
• Advanced understanding of test doubles, mocking strategies, and testable design

Technical Mentoring & Architecture

• Leading code quality efforts, mentoring peers, and designing scalable systems
• Teaching and enforcing software design principles across the team

Problem Solving & Debugging

• Tracks down root causes and applies scalable fixes using systematic approaches

Accountability

• Takes end-to-end responsibility for services owned

Code Quality Ownership

• Upholds clean code standards and peer code review rigor
• Champions software design principles and architectural consistency
• Documents clearly, communicates effectively across the team
• Explains complex architectural decisions and design patterns to stakeholders

Initiative

• Proactively identifies improvements in systems and processes
• Drives adoption of better design patterns and architectural practices

Leadership Potential

• Mentors juniors and contributes to engineering-wide best practices
• Leads by example in applying clean architecture principles

Qualifications

Required Experience

• Bachelor's degree in Computer Science or related field (preferred)
• 5+ years of backend software development experience
• 5+ years of production-grade Golang development
• 2+ years building distributed services and systems
• Strong demonstrated experience with SOLID principles and Clean Architecture**
• Experience with Mock-First development and advanced testing strategies**
• Experience with NATS or similar messaging systems
• Nice to have: Experience with AWS cloud services
• Nice to have: Docker and Kubernetes experience
• Familiarity with GitHub Actions, monitoring tools (Prometheus, Grafana)
• Intermediate to advanced English proficiency

Technical Assessment Areas

Candidates will be evaluated on:

• Domain modeling and DDD concepts**(bounded contexts, aggregates, domain events)
• Hexagonal architecture implementation**patterns
• Mock-First development and testing strategies**
• Design pattern knowledge**and appropriate usage
• NATS messaging patterns**and pub/sub implementations
• Go concurrency patterns and performance optimization
• Being a part of a global startup with hyper-growth.
• Exceptional, innovative and dynamic work environment
• Full transparency and open employee communication
• Tremendous growth & career advancement opportunities