Back End Developer

3 days ago

Kolkata, West Bengal, India AKOVA FINTECH SOLUTIONS PRIVATE LIMITED Full time ₹ 4,00,000 - ₹ 12,00,000 per year

Job Title: Backend Developer

Job ID: BD/BACK/OCT25

Company: AKOVA FINTECH SOLUTIONS PVT. LTD.

Location: 18 Rabindra Sarani, Poddar Court Building, Gate No: 3, 3rd Floor, Room No: U, Kolkata

Salary: Competitive, based on experience

Job Summary

We are looking for an experienced Backend Developer to build, deploy, and maintain scalable backend systems for:

  1. Digital Payment Applications

  2. GPS Tracking Device Software Key Responsibilities

1. Backend Development

  • Design and develop RESTful APIs (or GraphQL) for mobile/web apps.
  • Build secure payment processing systems (like UPI, wallet, transactions).
  • Implement real-time GPS tracking (WebSockets, MQTT, or similar).
  • Handle user authentication (OAuth, JWT, 2FA).
  • Optimize databases (PostgreSQL, MongoDB, Firebase, etc.) with indexing , caching.
  • Ensure low-latency, high-availability systems.

2. Cloud s Hosting Management

  • Deploy and manage backend on AWS/Azure/GCP.
  • Configure CI/CD pipelines (GitHub Actions, Jenkins, etc.).
  • Set up load balancing, auto-scaling, and monitoring.
  • Manage domain, SSL, and security policies.

3. Security s Compliance

  • OAuth2.0, JWT, token-based authentication
  • Implement PCI-DSS compliance (for payments).
  • Secure APIs against SQLi, XSS, CSRF, DDoS.
  • Data encryption (AES, RSA) and secure key management for sensitive info.

4. Collaboration

  • Work with frontend team for API integration.
  • Document APIs (Swagger/Postman).
  • Debug production issues and optimize performance.

5. Experience

  • 1 4 years' experience is needed in the same field

Preferred Technical Skills Required

Languages: Frameworks: Boot Databases: PostgreSQL, MongoDB, Redis APIs: REST, WebSockets, GraphQL

Cloud: AWS (EC2, Lambda, RDS), Firebase, Docker, Kubernetes Payments: Stripe/Razorpay/UPI integration, PCI-DSS experience GPS Tracking: MQTT, WebSockets, GIS tools

Good-to-Have Skills

  • Experience in fintech or GPS tracking domains.
  • Familiarity with IoT protocols (if GPS devices need backend support).

How to Apply:

Send your CV to or call for more details.

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