BackEnd API Developer

Job Summary

• Seeking a Backend API Developer to design, develop, and maintain scalable, secure, and high‑performance backend services and APIs.
• Focus on building cloud‑native applications using:
• Node.js (NestJS)
• Python
• Applications deployed in Kubernetes‑based cloud environments.
• Work with enterprise and NoSQL databases (DB2 and MongoDB).
• Ensure strong security controls and high code quality through automated testing and best practices.

Key Responsibilities

• Design, develop, and maintain RESTful APIs and backend services using:
• Node.js with NestJS
• Python
• Build and operate cloud‑native microservices for Kubernetes deployment.
• Develop and optimize database integrations with:
• DB2
• MongoDB
• Implement secure authentication and authorization using:
• OAuth 2.0
• JWT
• Apply OWASP secure coding standards across applications.
• Write clean, maintainable, and well‑documented code.
• Create and maintain automated testing, including:
• Unit tests
• Integration tests
• API tests
• Collaborate with DevOps, frontend, and architecture teams.
• Participate in:
• System design reviews
• Code reviews
• Architectural discussions
• Troubleshoot and debug services to improve:
• Performance
• Scalability
• Reliability
• Support CI/CD pipelines and production readiness activities.

Project Delivery Responsibilities

• Lead and participate in:
• System planning
• Technical design reviews
• Project coordination with IT teams
• Estimate development efforts and maintain technical documentation.
• Ensure compliance with:
• SDLC standards
• Change Management policies
• Communicate system changes and their impact on:
• Business processes
• Dependent systems
• Manage multiple development assignments while ensuring:
• Timely delivery
• High‑quality output

Education & Experience

• Bachelor’s degree in Computer Science, Engineering, or equivalent professional experience.
• 3–5 years of professional API development experience in enterprise environments.
• Experience contributing to or leading major system projects.
• Ability to work independently with minimal supervision.
• Strong analytical, problem‑solving, and decision‑making skills.
• Experience working in Agile or Scrum teams.

Required Qualifications

• Strong backend development experience with:
• Node.js and NestJS
• Python
• Experience building and consuming RESTful APIs.
• Solid understanding of Kubernetes concepts, including:
• Pods
• Services
• Deployments
• Secrets
• ConfigMaps
• Hands‑on experience with:
• MongoDB
• DB2 or other enterprise relational databases
• Proficiency in:
• TypeScript
• JavaScript
• Python
• Experience with automated testing tools:
• JUnit
• Jest
• Postman
• Familiarity with Git‑based source control systems.
• Understanding of microservices architecture and distributed systems.

Security & Compliance Skills

• Hands‑on experience implementing:
• OAuth 2.0
• JWT‑based authentication and authorization
• Strong understanding of OWASP Top 10 vulnerabilities.
• Experience securing APIs and backend services in cloud environments.
• Ability to identify and remediate common security vulnerabilities.

Preferred / Nice‑to‑Have Qualifications

• Experience with messaging systems, such as:
• Kafka
• RabbitMQ
• Experience deploying applications on:
• AWS
• Azure
• GCP
• Experience with observability tools:
• Centralized logging
• Metrics
• Tracing
• Knowledge of CI/CD pipelines and DevOps best practices.
• Experience working in enterprise or regulated environments.