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Senior Go (Golang) Developer

Senior Go (Golang) Developer

HeliWorkFromHome, Oman
30+ days ago
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

    • #J-18808-Ljbffr

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