Senior Software Engineer, Backend

GXBank; Petaling Jaya; On-site; MYR 180,000 - 320,000; Full time

Job summary

GXBank seeks a Senior Software Engineer, Backend in Petaling Jaya to design and implement high-performance Go services that boost availability, latency, and scalability. You will collaborate with squads to explore scalable architectures and optimize backend systems.

You will own multiple microservices, participate in code reviews, and contribute to CI/CD, cloud deployments (AWS), and performance tuning with Kafka/SQS messaging.

Qualifications

• 3–5 years of backend development experience.
• Proficient in Golang or willingness to work in Go.
• Knowledge of design patterns (Singleton, Factory, etc.).
• Understanding of SOLID and clean architecture.
• Experience with HTTP REST services and messaging (Kafka/SQS).
• Familiarity with Kubernetes and Docker containers.
• Experience with cloud deployments (e.g., AWS).
• Knowledge of CI/CD concepts.
• Exposure to microservice architecture from design to deployment.

Responsibilities

• Design and write Go services to improve availability, scalability, latency, and efficiency.
• Collaborate on scalable designs and architectures aimed at performance.
• Participate in code and design reviews to maintain high standards.
• Analyze capacity, demand, and optimize software performance.
• Define and prototype feature specifications with product teams.
• Collaborate with infrastructure to scale back-end services and perform root-cause analyses.
• Design, build, analyse and fix large-scale systems.
• Engage in performance tuning across the stack.
• Debug production software and implement fixes.
• Develop features per product/engineering specs.
• Author specification documents per functional requirements.
• Mentor junior engineers on best practices.
• Own multiple microservices within the squad.

Skills

Backend development

Golang

Design patterns

SOLID principles

Microservices

CI/CD

Tools

Kubernetes

Docker

AWS

Kafka

SQS

Job description

## Senior Software Engineer, BackendApply: Petaling Jaya (First Avenue): Full time: Posted Yesterday: R-2026-09-101959**Responsibilities*** Design and write with the cutting edge GO language to improve the availability, scalability, latency, and efficiency of Digibank’s range of services.* Work with the engineering team to explore and create new design / architectures geared towards scale and performance.* Participate in code and design reviews to maintain our high development standards.* Engage in service capacity and demand planning, software performance analysis, tuning and optimization.* Collaborate with product and experience teams to define and prototype feature specifications.* Work closely with the infrastructure team in building and scaling back-end services as well as performing root cause analysis investigations.* Design, build, analyse and fix large-scale systems.* Learn full stack performance tuning and optimization.* Debug and modify complex production software.* You will develop features as defined in the product or engineering specifications.* You will author specifications documents as per functional requirements provided by the product team.* You will help to mentor any junior engineers about the best-practices in software development.* You will have service ownership of several microservices in the squad.**Requirements*** You can be a good coder in any language (C++, C, Java, Scala, Rust, Haskell, OCaml, Erlang, Python, Ruby, PHP, Node.JS, C# etc.), but willing to work on Golang.* Has at least 3-5 years of experience as a backend developer.* A good knowledge of programming design patterns (Singleton, Factory, etc).* A solid understanding of the concept of clean code and SOLID principles.* A good understanding of the clean architecture principles.* Familiarity in developing services that serve HTTP Restful API, consume and publish messages from and to any stream platform like Kafka or Messaging platform like SQS.* Familiarity with containerization (Kubernetes and Dockerfile).* Familiarity with any cloud deployment service, e.g AWS.* Good understanding of CI/CD concepts.* An exposure to Microservice architecture pattern, and have been involved in development of a microservice from design stage to deployment stage.