Full stack Developer(React.JS and Python)

DNA INFOTECH PTE. LTD.; Singapore; On-site; SGD 90,000 - 180,000; Full time

Job summary

DNA INFOTECH PTE. LTD. is seeking an experienced software engineer in Singapore to design, build, and maintain scalable web applications using React.js and Python.

You will develop frontend components, integrate with REST APIs, and contribute to backend services, architecture discussions, and production support within an agile team.

Qualifications

• Bachelor’s degree in Computer Science, Engineering, Information Technology, or equivalent.
• 5–8 years of relevant software development experience.
• Strong hands-on experience in both React.js and Python.
• Good understanding of software development lifecycle and Agile methodologies.
• Strong analytical and problem-solving skills.
• Good communication and interpersonal skills.
• Ability to work independently as well as collaboratively in a distributed team.

Responsibilities

• Design, develop, and maintain responsive web applications using React.js.
• Develop scalable and secure backend services and REST APIs using Python.
• Translate business requirements into robust technical solutions.
• Build reusable React components and front-end modules.
• Develop backend logic, APIs, integrations, and database services using Python.
• Integrate React apps with Python-based REST APIs and third-party services.
• Perform troubleshooting, debugging, and production support.
• Write clean, well-documented code following standards.
• Develop unit and integration tests with adequate coverage.
• Participate in code reviews, technical discussions, and architecture sessions.
• Collaborate with BAs, POs, QA, DevOps, and stakeholders.
• Participate in Agile/Scrum ceremonies and contribute to sprint planning.

Skills

React.js

JavaScript/TypeScript

HTML5/CSS3

React Hooks/Redux

REST API integration

Python

FastAPI/Flask/Django

PostgreSQL/MySQL/Oracle

NoSQL

Docker/Kubernetes

CI/CD

Git/GitHub/GitLab/Bitbucket

AWS/Azure/GCP

Agile/Scrum

Education

Bachelor’s degree in Computer Science/Engineering/IT

Tools

npm/Webpack

REST API design

Job description

Key Responsibilities

• Design, develop, and maintain responsive web applications using React.js.
• Develop scalable and secure backend services and REST APIs using Python.
• Translate business and functional requirements into robust technical solutions.
• Build reusable and maintainable React components and front-end modules.
• Develop backend business logic, APIs, integrations, and database services using Python.
• Integrate React applications with Python-based REST APIs and third-party services.
• Perform application troubleshooting, debugging, performance tuning, and production support.
• Write clean, maintainable, and well-documented code following established coding standards.
• Develop unit and integration tests and ensure adequate test coverage.
• Participate in code reviews, technical discussions, and architecture/design sessions.
• Collaborate closely with Business Analysts, Product Owners, QA engineers, DevOps teams, and other stakeholders.
• Participate in Agile/Scrum ceremonies and contribute to sprint planning and delivery.
• Identify technical issues and provide effective solutions to complex engineering problems.
• Ensure applications meet security, scalability, performance, and reliability requirements.

Required Technical Skills

Frontend

• Strong hands-on experience with React.js
• JavaScript / TypeScript
• HTML5, CSS3
• React Hooks, Redux or similar state-management frameworks
• Responsive web application development
• REST API integration
• Experience with modern frontend build tools such as npm/Webpack

Backend

• Strong experience with Python
• Experience with frameworks such as FastAPI, Flask, or Django
• Strong understanding of RESTful API development
• Experience with API authentication and authorization
• Good understanding of asynchronous programming and backend architecture

Database

• Experience with relational databases such as PostgreSQL, MySQL, or Oracle
• Good understanding of SQL, database design, and query optimization
• Exposure to NoSQL databases is an advantage

DevOps / Cloud – Good to Have

• Docker and Kubernetes
• CI/CD pipelines
• Git/GitHub/GitLab/Bitbucket
• AWS, Azure, or GCP
• Experience with cloud-based application deployment and monitoring

Qualifications

• Bachelor’s degree in Computer Science, Engineering, Information Technology, or equivalent.
• 5–8 years of relevant software development experience.
• Strong hands-on experience in both React.js and Python.
• Good understanding of software development lifecycle and Agile methodologies.
• Strong analytical and problem-solving skills.
• Good communication and interpersonal skills.
• Ability to work independently as well as collaboratively in a distributed team.

Preferred Skills

• Experience building microservices and cloud-native applications.
• Knowledge of CI/CD and DevOps practices.
• Experience with automated testing frameworks.
• Exposure to application security principles such as OAuth2/JWT.
• Experience working in enterprise-scale applications.
• Prior experience in financial services, healthcare, retail, logistics, or other regulated industries would be an advantage.