API Developer

Persistent Systems; Gurugram District; Hybrid; INR 700,000 - 1,100,000; Full time

Benefits offered by this job

Hybrid work

Growth opportunities

Education sponsorship

Flexible hours

Long service awards

Insurance coverage

Job summary

Persistent Systems in Gurgaon is looking for an API Developer to design, build, and maintain RESTful APIs that connect enterprise applications and services. You will collaborate with architects, product teams, and clients to translate complex business needs into robust technical solutions.

The role requires 2–5 years of backend/API experience with Java, Python, or Node.js, and familiarity with OAuth/JWT security, Postman, and Swagger. Join a growth-focused environment with hybrid work options.

Qualifications

• 2 to 5 years of API and backend development experience.
• Strong REST API design knowledge.
• Proficiency in Java, Python or Node.js.
• Experience with API testing tools (Postman/Swagger).
• Knowledge of SQL/NoSQL databases.
• Experience with OAuth and JWT security.
• Experience in Agile/Scrum environments.

Responsibilities

• Design, develop, and maintain RESTful APIs for enterprise apps.
• Gather requirements with cross-functional teams and translate to specs.
• Build scalable, secure APIs using modern frameworks and best practices.
• Implement OAuth/JWT authentication and authorization.
• Integrate APIs with backend systems and third-party apps.
• Conduct code reviews and provide feedback.
• Monitor and optimize API performance and reliability.
• Create API documentation and technical artifacts.
• Collaborate with QA for API testing and validation.
• Participate in Agile ceremonies and daily stand-ups.
• Support deployment, releases, and production issue resolution.
• Stay updated with API standards and security practices.
• Ensure compliance with security and governance standards.

Skills

REST API design

Java

Python

Node.js

Postman

Swagger

SQL

NoSQL

OAuth

JWT

Agile/Scrum

Communication

Client-facing

Tools

Postman

Swagger

Job description

We are seeking a talented API Developer to join our growing technology team in Gurgaon. The ideal candidate will have strong expertise in designing, developing, and maintaining RESTful APIs that enable seamless integration between enterprise applications and services. You will work closely with architects, developers, product teams, and business stakeholders to build secure, scalable, and high-performance API solutions that enhance user experiences and drive business innovation.

• Role: API Developer
• Location: Gurgaon
• Experience: 2 to 5 Years
• Job Type: Full-Time Employment

What You'll Do:

• Design, develop, and maintain RESTful APIs to support enterprise applications and digital services.
• Collaborate with cross-functional teams to gather requirements and convert business needs into technical specifications.
• Develop scalable and secure API solutions using modern development frameworks and best practices.
• Implement authentication and authorization mechanisms using OAuth, JWT, and related security protocols.
• Integrate APIs with backend systems, databases, and third-party applications.
• Conduct code reviews and provide constructive technical feedback to development team members.
• Monitor, troubleshoot, and optimize API performance, reliability, and scalability.
• Develop and maintain API documentation, specifications, and technical artifacts.
• Collaborate with QA teams to ensure comprehensive API testing and validation.
• Participate in Agile ceremonies including sprint planning, reviews, retrospectives, and daily stand-ups.
• Support deployment, release management, and production issue resolution activities.
• Stay current with emerging technologies, API standards, and industry best practices.
• Ensure compliance with security, governance, and organizational development standards.

Expertise You'll Bring:

• 2 to 5 years of experience in software development with a focus on API and backend development.
• Strong knowledge of REST API design principles, standards, and best practices.
• Proficiency in programming languages such as Java, Python, or Node.js.
• Experience designing, developing, and consuming RESTful web services.
• Hands-on experience with API testing tools such as Postman, Swagger, or similar platforms.
• Strong understanding of SQL and NoSQL database technologies.
• Experience implementing authentication and authorization mechanisms using OAuth, JWT, and related protocols.
• Familiarity with API security, performance optimization, and monitoring practices.
• Experience working in Agile and Scrum-based software development environments.
• Strong analytical, troubleshooting, and problem-solving skills.
• Excellent communication and collaboration abilities.
• Ability to work effectively in cross-functional and client-facing environments.
• Understanding of software development lifecycle and quality engineering practices.
• Competitive salary and benefits package
• Culture focused on talent development with quarterly growth opportunities and company-sponsored higher education and certifications
• Opportunity to work with cutting-edge technologies
• Employee engagement initiatives such as project parties, flexible work hours, and Long Service awards
• Insurance coverage: group term life, personal accident, and Mediclaim hospitalization for self, spouse, two children, and parents

Values-Driven, People-Centric & Inclusive Work Environment:

Persistent is dedicated to fostering diversity and inclusion in the workplace. We invite applications from all qualified individuals, including those with disabilities, and regardless of gender or gender preference. We welcome diverse candidates from all backgrounds.

• We support hybrid work and flexible hours to fit diverse lifestyles.
• Our office is accessibility-friendly, with ergonomic setups and assistive technologies to support employees with physical disabilities.
• If you are a person with disabilities and have specific requirements, please inform us during the application process or at any time during your employment

Let's unleash your full potential at Persistent - persistent.com/careers

Persistent is an Equal Opportunity Employer and prohibits discrimination and harassment of any kind.