Senior Software Engineer (Go/GoLang)

o b; Makati; On-site; PHP 1,200,000 - 1,800,000; Full time

Job summary

o b is seeking a Senior Backend Engineer focused on Go and distributed systems to join a high-performance software team serving global tech enterprises. You will design, build, and maintain microservices and real-time data APIs in a scalable, reliable environment.

You should have 5+ years in backend, at least 2 years in Go, strong concurrency skills, hands-on AWS and PostgreSQL, and experience with ETL tools like Airflow.

Qualifications

• 5+ years of backend engineering experience.
• 2+ years of Go production experience.
• Strong Go concurrency knowledge (goroutines, channels, sync.Mutex, WaitGroup, context).
• Solid understanding of microservices architecture and event-driven design.
• Hands-on AWS (ECS, S3, CloudWatch) and PostgreSQL.
• Proven experience with high-load systems and scaling.
• Ownership mindset and English proficiency.

Responsibilities

• Design, build, and maintain microservices using Go (and Python as a secondary stack).
• Work on highly available distributed systems at global scale.
• Build and optimize APIs that interact with real-time data pipelines.
• Own the scalability, performance, and reliability across all touched services.
• Participate in Agile ceremonies, technical discussions, and peer reviews.

Skills

Go

Backend engineering

Go concurrency

Microservices

Event-driven design

AWS

PostgreSQL

High-load systems

Python

ETL / Airflow

CI/CD

Containerization

Monitoring tools

English proficiency

Distributed systems

Tools

Airflow

Job description

As a Senior Backend Engineer focusing on Go and Distributed Systems, you will be part of a high-performance software team acting as a trusted engineering partner for global tech enterprises.

Duties and Responsibilities

• Design, build, and maintain microservices using Go, utilizing Python as a secondary stack.
• Work on highly available distributed systems running at a global scale.
• Build and optimize APIs that interact directly with real-time data pipelines.
• Own the scalability, performance, and reliability across all the services you touch.
• Take an active part in Agile ceremonies, technical discussions, and peer reviews.

Required Skills & Qualifications

• 5+ years of solid backend engineering experience.
• At least 2 years of recent, hands-on experience using Go as your primary language in production work.
• Strong command of Go concurrency, including goroutines, channels, sync.Mutex, WaitGroup, context, and detecting and fixing race conditions.
• Solid understanding of microservices architecture and event-driven design.
• Hands-on experience with AWS (specifically ECS, S3, CloudWatch, and similar tools) and PostgreSQL.
• Proven experience with high-load systems, including the readiness to walk through a past project and discuss what broke at scale.
• A strong sense of ownership, a real problem-solving mindset, and English proficiency.
• Experience using Python for services, tooling, or data work.
• Familiarity with Airflow or another ETL orchestration tool.
• Background in e-commerce, logistics, fintech, or another high-traffic domain, alongside experience with CI/CD, containerization, and monitoring tools.