Senior Software Engineer

Astek; Singapore; On-site; SGD 140,000 - 200,000; Full time

Job summary

Astek in Singapore is seeking a Senior Golang Backend Engineer to develop, support a cloud-native EV charging platform. You will build scalable backend services, distributed systems, and event-driven workflows while ensuring high availability and production stability.

You will work closely with technical leads, product, infrastructure, and DevOps to deliver reliable backend solutions and integrations. The role emphasizes hands-on development in Golang and cloud technologies.

Qualifications

• Experience designing and developing RESTful APIs and microservices.
• Good understanding of concurrency, asynchronous processing, and distributed systems.
• Strong SQL skills with PostgreSQL or similar relational databases.
• Experience with event-streaming technologies such as Kafka.
• Hands-on experience troubleshooting and supporting production systems.
• Experience with cloud-native environments using AWS or Azure.
• Experience with Docker and Kubernetes.
• Experience working with distributed, real-time, or high-traffic systems.

Responsibilities

• Design, develop, and maintain backend services, RESTful APIs, and microservices using Golang.
• Build scalable event-driven and asynchronous workflows for distributed systems.
• Improve application performance, scalability, reliability, and availability.
• Troubleshoot and resolve production issues, performing root cause analysis.
• Work with PostgreSQL, including SQL queries, indexing, and performance optimisation.
• Develop and maintain integrations with external platforms and third-party systems.
• Collaborate with DevOps and infrastructure teams on cloud deployments, monitoring, and operational readiness.
• Participate in code reviews and ensure code quality, maintainability, and engineering best practices.
• Take ownership of assigned features and technical deliverables from development through production.

Skills

RESTful APIs

Microservices

Concurrency

SQL

PostgreSQL

Kafka

Production support

AWS

Azure

Docker

Kubernetes

Distributed systems

Tools

PostgreSQL

Kafka

AWS

Azure

Docker

Kubernetes

Job description

ASTEK has been providing IT and Engineering solutions for some of the world’s largest industrial and services groups for more than 35 years with 10,000 passionate experts in 22 countries throughout Europe, APAC, Middle East and the Americas

Role Overview

We are looking for a hands‑on Senior Golang Backend Engineer to develop, enhance, and support a cloud‑native EV Charging platform. The role focuses on building scalable backend services, distributed systems, and event‑driven workflows while ensuring high availability and production stability.

You will work closely with technical leads, product, infrastructure, and DevOps teams to deliver reliable backend solutions and integrations.

Key Responsibilities

• Design, develop, and maintain backend services, RESTful APIs, and microservices using Golang.
• Build scalable event‑driven and asynchronous workflows for distributed systems.
• Improve application performance, scalability, reliability, and availability.
• Troubleshoot and resolve production issues, performing root cause analysis where required.
• Work with PostgreSQL, including SQL queries, indexing, and performance optimisation.
• Develop and maintain integrations with external platforms and third‑party systems.
• Collaborate with DevOps and infrastructure teams on cloud deployments, monitoring, and operational readiness.
• Participate in code reviews and ensure code quality, maintainability, and engineering best practices.
• Take ownership of assigned features and technical deliverables from development through production.

Must‑Have Requirements

• Experience designing and developing RESTful APIs and microservices.
• Good understanding of concurrency, asynchronous processing, and distributed systems.
• Strong SQL skills with experience in PostgreSQL or similar relational databases.
• Experience with event‑streaming technologies such as Kafka.
• Hands‑on experience troubleshooting and supporting production systems.
• Experience with cloud‑native environments using AWS or Azure.
• Experience with Docker and Kubernetes.
• Experience working with distributed, real‑time, or high‑traffic systems.

Good to Have

• Beginner to intermediate knowledge of Java.
• Experience with observability and monitoring tools such as Datadog or Sentry.
• Exposure to Terraform or other Infrastructure‑as‑Code (IaC) tools.
• Experience within EV charging, mobility, IoT, or device‑integrated platforms.
• Knowledge of EV charging protocols such as OCPI and OCPP.
• Experience developing real‑time and device‑integrated systems.

Key Technologies