Full Stack Developer

Full Stack Developer (API Integration Specialist)

Location: Kolkata

Salary: ₹35,000 – ₹45,000 per month

Experience: 3+ Years

Qualification: Bachelor’s in Computer Science / Software Engineering / related field (or equivalent experience)

Gender: Male / Female

Job Summary

We are seeking a talented Full Stack Developer (API Integration Specialist) to join our team in Kolkata. The ideal candidate will be responsible for designing, implementing, and maintaining API integrations, while also contributing to frontend development for smooth and efficient data-driven applications.

Key Responsibilities

Design and implement robust API integration solutions, managing data flow between third-party services and internal systems.

Create and maintain documentation for all API integrations and procedures.

Develop and optimize RESTful APIs for internal and external use.

Build responsive, intuitive user interfaces for API-driven data visualization.

Implement error handling, logging, and monitoring solutions for integrations.

Collaborate with cross-functional teams to define integration requirements and deliver solutions.

Required Skills & Experience

3+ years of full stack development with strong API integration experience.

Proficiency in backend technologies — Node.js, Python, Java (or similar).

Frontend expertise in React, Angular, or Vue.js and JavaScript/TypeScript.

Knowledge of API authentication (OAuth, JWT, API Keys).

Hands-on experience with REST, GraphQL, SOAP APIs, and data formats like JSON, XML.

Experience in SQL and NoSQL databases (MySQL, MongoDB, PostgreSQL).

Familiarity with Google Spreadsheet integration.

Strong problem-solving skills, including ChatGPT-assisted debugging and development.

Deep understanding of API security best practices and data protection standards.

Preferred Candidate Profile

Experience with API testing tools (Postman, Swagger, etc.)

Knowledge of API documentation tools (Swagger/OpenAPI).

Experience with microservices architecture.

Understanding of CI/CD pipelines and DevOps practices.

Familiarity with cloud platforms (AWS, Azure, GCP).

Experience optimizing API performance (rate limiting, caching).

Technical Competencies

Backend: Node.js / Python / Java

Frontend: HTML5, CSS3, JavaScript / TypeScript

API: REST, GraphQL

Database: MySQL, MongoDB, PostgreSQL

Version Control: Git

Testing: Unit & Integration Testing

API Tools: Postman, Swagger, cURL

Soft Skills

Strong analytical and problem-solving mindset

Excellent communication and documentation skills

Ability to manage multiple projects independently

Detail-oriented and committed to code quality

Team player with a collaborative attitude

Responsibilities Breakdown

50% – API Integration & Backend Development

25% – Frontend Development

15% – Documentation & Technical Planning

10% – Collaboration & Communication

What We Offer

Opportunity to work with diverse APIs and modern tech stacks

Professional development and learning opportunities

Collaborative and innovative work environment

Competitive salary & benefits

Flexible work arrangements

Job Types: Full-time, Permanent

Pay: ₹35,566.65 - ₹45,018.53 per month

Benefits:

• Health insurance
• Provident Fund

Work Location: In person