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Comviva Linkedin · Posted 1mo ago

Full Stack Developer (MERN)

Bengaluru, Karnataka, India

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Indexed description

Key Accountabilities

  • Design, develop, and maintain scalable full stack applications for MobiLytix Rewards, a cloud-native B2B Loyalty Management SaaS platform, using the MERN stack (MongoDB/Postgres, Express, React, Node.js).
  • Collaborate closely with:
    • Product engineering teams to understand and implement business requirements.
    • Tech Ops / Support teams to debug, triage, and resolve customer production issues.
    • DevOps teams on application fixes, deployments, and production stability.
  • Build responsive and high-quality user interfaces using React, TypeScript, and modern component libraries (Material UI / Ant Design).
  • Develop backend services using Node.js, Express, and frameworks such as Feathers.js, following microservices and API-first design principles.
  • Design and implement scalable APIs and backend services to support product features and integrations.
  • Build and maintain data pipelines and workflows, including data ingestion, transformation, enrichment, and aggregation.
  • Design and orchestrate data pipelines using tools like Apache NiFi (or similar), especially within containerized environments.
  • Work with databases such as Postgres, Cassandra, and BigQuery, ensuring optimal data modeling and performance.
  • Implement CI/CD pipelines using GitHub Actions, GitLab CI/CD, or CircleCI for automated testing and deployment of containerized applications.
  • Deploy and manage applications on AWS (EC2, S3, Lambda, API Gateway, EKS).
  • Apply microservices architecture using Docker and Kubernetes, ensuring scalability and resilience.
  • Monitor system health and performance using tools such as Prometheus, Grafana, and ELK stack.
  • Ensure application quality by collaborating with QA teams and contributing to test automation strategies.
  • Participate in code reviews, ensuring clean, maintainable, and production-ready code.
  • Mentor junior developers and guide them on MERN stack best practices, DevOps practices, and engineering discipline.
  • Actively contribute to improving production stability through root cause analysis and preventive engineering.
  • Explore and integrate AI/GenAI capabilities, including:
    • AI-powered insights for loyalty platforms
    • Intelligent automation of workflows
    • Exposure to Agentic AI patterns (autonomous agents, orchestration, decision pipelines)
Mandatory Skills

  • Bachelor’s degree in Computer Science / Engineering or equivalent practical experience.
  • Proven experience as a Full Stack MERN Developer with strong hands-on skills in:
    • JavaScript, TypeScript
    • React
    • Node.js, Express
    • Component libraries such as Material UI / Ant Design
    • Frameworks like Feathers.js or similar
  • Strong experience with databases:
    • Postgres
    • Cassandra
    • BigQuery
  • Hands-on experience with Git for version control.
  • Solid understanding of CI/CD pipelines, including GitHub Actions, GitLab CI/CD, or CircleCI.
  • Experience deploying applications on AWS (EC2, S3, Lambda, API Gateway, EKS).
  • Strong understanding of microservices architecture, Docker, and Kubernetes.
  • Experience with monitoring and observability tools such as Prometheus, Grafana, and ELK.
  • Proven expertise in data pipeline design, including:
    • Apache NiFi or similar tools
    • Data transformation, enrichment, and aggregation
    • Orchestrating workflows in containerized environments
  • Strong debugging and problem-solving skills.
  • Ability to visualize end-to-end product and data flows.
  • Excellent collaboration and communication skills across engineering, QA, DevOps, and support teams.
  • High ownership mindset, learning agility, and ability to drive tasks to closure.
Desirable Skills

  • Experience building SaaS / multi-tenant platforms.
  • Exposure to AI / GenAI systems, including:
    • LLM integrations
    • AI-driven analytics
    • Agentic AI frameworks or autonomous workflows (strong value add).
  • Familiarity with event-driven architectures (Kafka or similar).
  • Experience with product observability and reliability engineering.
  • Knowledge of security best practices in cloud-native systems.
  • Prior experience mentoring engineers in product organizations.
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