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SENIOR BACKEND ENGINEER Job Opening In Singapore, Singapore – Now Hiring OSIM


Job description

SENIOR BACKEND ENGINEER

Department Overview:

The Digital Technology Department in OSIM works together as a team to ensure that the final product is programmed to meet the needs and wants of the consumer, whilst, incorporating the latest and most desirable technology to remain competitive in the market.

This department comprises of the Product Owners, UI/UX, Mobile Application, IOT as well as the Digital QA group.

If you are forward-looking, able to think out of the box and always hungry to learn about the newest technology, we want you in our team!

Job Responsibilities:

  • Design, build, and maintain scalable, high-performance backend services using C#, .NET Core in microservices/serverless architectures.
  • Lead API development—design and implement RESTful APIs/GraphQL with clear documentation and versioning strategies.
  • Architect data-intensive systems—ensure data quality, security, and performance in cloud-native environments.
  • Optimize systems end-to-end—apply data structures, algorithms, and design patterns to solve complex scalability challenges.
  • Mentor engineers through code reviews, architectural discussions, and best practices (e.g., lean code, SOLID).
  • Collaborate cross-functionally with Product Owners, Mobile Engineers, UIUX, and QA to deliver high-impact features.
  • Secure systems—implement authentication/authorization (OAuth, JWT) and enforce security best practices.
  • Own cloud infrastructure—deploy and manage services on AWS using serverless frameworks, containers (Docker/ECS), and IaC (Terraform).
  • Job Requirements:

  • Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent experience).
  • 5+ years of backend development experience.
  • Ability to work independently and as part of a team.
  • Excellent problem-solving and critical thinking skills, with the ability to break down complex problems and devise innovative solutions.
  • Experience articulating technical concepts to diverse audiences.
  • Experience in Agile software development methodologies, such as Scrum and Kanban.
  • Relevant cloud computing certifications.
  • Good command of English and Mandarin to liaise with Mandarin-speaking partners and stakeholders.
  • Interested and suitable candidates, please send your resume and portfolio to .

    We regret that only shortlisted candidates will be notified.

    Required Skill Profession

    Computer Occupations


    • Job Details

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    Unlock Your SENIOR BACKEND Potential: Insight & Career Growth Guide


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    Are You Looking for SENIOR BACKEND ENGINEER Job?

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    The Work Culture

    An organization's rules and standards set how people should be treated in the office and how different situations should be handled. The work culture at OSIM adheres to the cultural norms as outlined by Expertini.

    The fundamental ethical values are:

    1. Independence

    2. Loyalty

    3. Impartiapty

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    5. Accountabipty

    6. Respect for human rights

    7. Obeying Singapore laws and regulations

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