Frontend Developer
Interfell
JavaScriptJestReactTypeScript
Senior Fullstack Developer – Node/React
Lean Tech
full-time
Posted on:
Location Type: Remote
Location: Remote • 🇨🇴 Colombia
Visit company websiteJob Level
Senior
Tech Stack
AWSDynamoDBJavaScriptJestMongoDBNode.jsNoSQLReactReduxSCSSTypeScript
About the role
- Design, code, and test high-quality features and services for both our front-end (React) and back-end (NodeJS/Express) applications.
- Support technical design discussions, define system architecture, and ensure solutions are scalable, secure, and cost-effective within the AWS environment.
- Conduct rigorous code reviews, establish coding standards, and actively mentor mid-level and junior developers on best practices and complex technical concepts.
- Design, develop, and maintain high-performance, scalable web applications.
- Collaborate with cross-functional teams to define, design, and ship new features.
- Write clean, maintainable, and efficient code.
- Troubleshoot and debug applications.
Requirements
- +5 years of experience in designing, developing, and maintaining NodeJS ecosystems and products.
- +5 years of experience in designing, developing, and maintaining React ecosystems and products.
- Advanced JavaScript/TypeScript: Expert proficiency in modern JavaScript (ES6+) and a strong command of TypeScript for building type-safe applications.
- Deep expertise in React.js, including Hooks, Context API, and component lifecycle.
- Extensive experience with common state management libraries (Redux, Redux Toolkit).
- Proficiency in modern styling techniques (e.g., Styled-Components, CSS-in-JS, or Sass/Less).
- Experience writing robust unit and integration tests using frameworks like Jest, React Testing Library, or Enzyme.
- Expert-level development using NodeJS and a common framework such as Express.js.
- Strong knowledge of both relational (DocumentDB) and NoSQL (MongoDB, DynamoDB) databases, including schema design and query optimization.
- Strong understanding of security principles, including authentication (JWT, OAuth), authorization, and data encryption.
- Bachelor's degree in Computer Science, Engineering, or a related technical field.
Benefits
- Professional development opportunities with international customers
- Collaborative work environment
- Career path and mentorship programs
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard skills
NodeJSExpressReactJavaScriptTypeScriptReduxJestMongoDBDynamoDBDocumentDB
Soft skills
mentoringcollaborationtroubleshootingcode reviewcommunication
Certifications
Bachelor's degree in Computer ScienceBachelor's degree in Engineering
