Senior Software Engineer

2 days ago

Central Region, Singapore DAYONE DATA CENTERS SINGAPORE PTE. LTD. Full time $120,000 - $150,000 per year

We are looking for a Senior Backend Software Engineer with about 8 to 10 years' experience to design, build, and maintain scalable backend services and APIs for our cloud-based and on-prem platforms. The ideal candidate has experience in Java and Python, strong knowledge of API development, microservices architecture, event-driven systems, and is capable of working in an agile environment to deliver high-quality, secure, and maintainable software. Good knowledge of Containerization (Docker) and Orchestrations (k8's) is required. Strong knowledge of Python libraries for machine learning is a plus.

Responsibilities

Backend & API Development

  • Architect, develop, and maintain backend services and microservices using Java (Spring Boot) and/or Python
  • Design and implement RESTful and/or gRPC APIs, ensuring high performance, scalability, and reliability.
  • Integrate backend services with databases, message queues, and external systems such as SAP, BMS (OT systems) etc.

System Architecture & Scalability

  • Design and implement distributed, event-driven, and real-time data streaming systems.
  • Contribute to system architecture and design decisions (domain-driven design, microservice decomposition, API contracts, caching strategies, etc.)
  • Optimize system performance and scalability, including async processing, caching, load balancing, and DB optimization.

Cloud, DevOps & CI/CD

  • Deploy and operate services on AWS / Azure / GCP with containerization (Docker, Kubernetes).
  • Collaborate with DevOps teams on CI/CD pipelines (GitHub, Jenkins), monitoring, and logging tools (Prometheus, ELK, Grafana).

Software Quality & Collaboration

  • Write clean, testable, and maintainable code using unit tests, integration tests, TDD and code review best practices.
  • Work closely with frontend, DevOps, QA, and product teams in Agile/Scrum delivery.

Requirements:

  • Strong programming skills in Java (Spring Boot) and Python
  • Strong experience in building REST API's & Microservices
  • Strong understanding of Software architecture
  • Experience with message queues & streaming (MQTT, Kafka etc)
  • Experience deploying on cloud with docker & Kubernetes
  • Experience with runtime env
  • Proven experience of implementing security best practices such as OAuth2, JWT, Zero Trust
  • Experience in React or Angular
  • Understanding of Edge services is a plus

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