Full Stack Developer - Backend (Severs/Database/API/Integrations)

Job Summary

We are seeking a Backend-Focused Full Stack Developer with strong expertise in building scalable, high-performance server-side applications. While the role is predominantly backend-oriented, you should be comfortable working with frontend components when needed. You will build and maintain APIs, manage datasets, integrate with ERP/POS systems, and collaborate closely with cross-functional teams to deliver seamless e-commerce experiences.

This role is ideal for someone who thrives in solving complex technical problems, optimizing large-scale systems, and ensuring the reliability and efficiency of critical backend services.

Key Responsibilities

• Design, develop, and maintain scalable backend services and microservices.
• Build and optimize RESTful and GraphQL APIs for e-commerce workflows.
• Work with relational and NoSQL databases, focusing on performance, indexing, and query optimization.
• Ensure high availability, performance, and security of backend systems.
• Implement authentication, authorization, and industry-standard security practices (OAuth, JWT, OWASP).
• Develop and maintain integrations with ERP/POS systems and external third-party services.
• Utilize caching, message queues, and distributed systems for scalability (Redis, Kafka, RabbitMQ).
• Collaborate with frontend teams to ensure seamless end-to-end functionality.
• Troubleshoot, profile, and debug backend issues across environments.
• Automate deployments, CI/CD pipelines, and support containerized/cloud infrastructure.
• Maintain clear technical documentation and contribute to engineering best practices.

Core Technical Skills

• Backend development using

  Node.js

  ,

  Java (Spring Boot)

  , or

  Python (Django/Flask)

• API development:

  RESTful APIs

  ,

  GraphQL

  , integration design patterns
• Database expertise:

  PostgreSQL

  ,

  MySQL

  ,

  MongoDB

  , indexing & query optimization
• Caching & performance:

  Redis

  , cache invalidation patterns, CDNs, performance tuning
• Message brokers & eventing:

  RabbitMQ

  ,

  Kafka

  , asynchronous processing
• Security: secure coding,

  OAuth

  ,

  JWT

  , security compliance (PCI), OWASP best practices
• ERP/POS integrations, enterprise middleware, data flow management
• Containerization & infrastructure:

  Docker

  ,

  Kubernetes

  ,

  Helm

  ,

  Terraform

  ,

  CloudFormation

• Monitoring & observability:

  ELK Stack

  ,

  Prometheus

  ,

  Jaeger/Zipkin

• Distributed systems optimization, profiling, load testing

Soft Skills

• Excellent analytical, diagnostic, and problem-solving abilities.
• Strong collaboration skills with product, QA, DevOps, and frontend teams.
• Ability to prioritize multiple tasks and manage time effectively.
• Clear communication of technical concepts and decisions.
• Ownership mindset with a focus on reliability and service-level commitments.

Preferred Skills

• Experience with

  microservices and domain-driven design (DDD)

  .
• Familiarity with

  event-driven architectures

  , CQRS, and streaming systems.
• Exposure to

  Big Data / ETL tools

  (Spark, Airflow).
• Experience implementing GraphQL servers.
• Background in

  serverless technologies

  (AWS Lambda, GCP Cloud Functions).

Relative/Core Experience: 05 to 07 years