Backend Engineer - (Public Sector)

Location: Singapore, Singapore, Singapore

Department: Development

Workplace: on_site

Employment Type: contract

Description

At Xtremax, our Backend Engineers play an important role in building the systems that power our digital pro/ducts. You’ll be working with modern tools, cloud technologies, and good software practices to deliver scalable, secure, and reliable solutions. We believe in collaboration, continuous learning, and writing clean, maintainable code. Candidates with public sector experience are preferred, as this role supports IT projects for government agencies.

Responsibility:

Backend Development and API Design

• Work with Business Analysts and Product Managers to translate requirements into technical solutions.
• Build and maintain APIs and backend services that are scalable, reliable, and secure.
• Contribute to system design, documentation, and architecture discussions.

Collaboration and Quality Assurance

• Collaborate with QA engineers to ensure proper testing coverage and proactively fix bugs.
• Partner with DevOps teams to automate build, deployment, and monitoring processes.
• Apply modern practices such as code reviews, CI/CD, and automated testing.

System Performance and Innovation

• Continuously improve system performance, observability, and scalability.
• Ensure compliance with security and quality standards.
• (Optional) Contribute to blockchain and smart contract development where applicable

Requirements

Must Have

• Degree or Diploma in Computer Science, Engineering, IT, or related fields.
• Must have 2–5 years or more of relevant experience.
• Hands-on experience with Git and branching workflows.
• Proficiency in at least one backend language (.NET, Java, Kotlin, Python, Golang, Node.js, or Ruby).
• Familiarity with cloud platforms (AWS, Azure, or Google Cloud).
• Understanding of RESTful APIs and/or GraphQL.
• Experience with containerization (Docker) and orchestration (Kubernetes).
• Knowledge of relational and/or NoSQL databases (PostgreSQL, MySQL, MongoDB, Redis, etc.).
• Exposure to CI/CD pipelines.

Good to Have

• Familiarity with microservices and event-driven systems (Kafka, RabbitMQ).
• Experience with observability tools (Prometheus, Grafana, ELK).
• Knowledge of Infrastructure as Code tools (Terraform, CloudFormation).
• Understanding of test automation frameworks (JUnit, PyTest, Jest, etc.).
• Knowledge of Domain-Driven Design (DDD) or Clean Architecture.
• Experience with API gateways or service meshes (Kong, Istio, Apigee).
• Exposure to serverless technologies (AWS Lambda, Azure Functions).
• Experience working on Singapore Government projects will be advantageous.

Certificate Preferred:

• Certified Scrum Developer (CSD) / Professional Scrum Developer (PSD)
• AWS Certified Developer - Associate / Microsoft Certified: Azure Developer Associate
• ScrumMaster (CSM) / Professional Scrum Master (PSM)

Benefits

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