Software Engineer

OSOME LTD.; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

OSOME LTD. in Singapore is seeking a skilled full-stack developer to translate ideas, designs, and requirements into high-quality, scalable code using React and Node.js.

You will develop reusable components and libraries, and optimize frontend and backend components for performance and reliability. You will design robust RESTful and WebSocket APIs, implement strong authentication (OAuth/JWT) and security best practices, and work with PostgreSQL on schema design and query optimization.

Qualifications

• Experience in full-stack development with React and Node.js.
• Strong proficiency in JavaScript and TypeScript.
• Experience designing RESTful and WebSocket APIs.
• Proficiency in PostgreSQL with query optimization and schema design.
• Deep understanding of frontend performance optimization.
• Experience with authentication and security (OAuth, JWT).
• Familiarity with AWS services (Lambda, RDS, S3, API Gateway).
• Strong problem-solving skills.

Responsibilities

• Translate ideas, designs, and requirements into scalable code using React and Node.js.
• Develop reusable components and libraries for consistency and efficiency.
• Optimize frontend and backend components for performance, scalability, and reliability.
• Design and implement robust APIs with security and maintainability.
• Develop and enforce best practices in full-stack development.
• Write unit, integration, and end-to-end tests to ensure quality.
• Collaborate with designers, product managers, and engineers to deliver features.

Skills

React (Hooks)

Node.js (Koa/Express)

JavaScript

TypeScript

RESTful APIs

WebSocket APIs

PostgreSQL

Query optimization

Frontend performance

OAuth & JWT

AWS

Security best practices

Problem-solving

Job description

What you'll do:

• Translate ideas, designs, and business requirements into high-quality, scalable, and maintainable code using React and Node.js.
• Develop reusable components and libraries, ensuring consistency and efficiency across applications.
• Optimize frontend and backend components for performance, scalability, and reliability.
• Design and implement robust APIs, ensuring security, maintainability, and efficiency in data communication.
• Develop and enforce best practices in full-stack development, including modular architecture, error handling, and performance optimization.
• Write unit, integration, and end-to-end tests, ensuring high test coverage and smooth deployments.
• Collaborate with designers, product managers, and other engineers, ensuring seamless feature development and integration.

Who you are:

• Experience in full-stack development, with a strong focus on React (with hooks) and Node.js (Koa or Express).
• Strong proficiency in JavaScript and TypeScript.
• Experience designing and developing RESTful and WebSocket APIs, ensuring scalability and security.
• Proficiency in database management, particularly PostgreSQL, including query optimization and schema design.
• Deep understanding of frontend performance optimization, including lazy loading, bundling, and caching strategies.
• Experience with authentication and security best practices, including OAuth, JWT, and API security.
• Familiarity with cloud services (AWS preferred), including Lambda, RDS, S3, and API Gateway.
• Strong problem-solving skills, with the ability to debug and optimize applications effectively.