Principal Backend Integration Engineer

2 weeks ago

Greater Delhi Area, India Jax Consulting Full time

Job Posting: Principal Backend Integration Engineer


About Us

Jax Consulting is a dedicated Salesforce Crest Partner, providing expert consulting, implementation, and managed services to businesses, nonprofits, and educational institutions. With a focus on digital transformation, strategic planning, and training, we ensure our clients leverage the full capabilities of the Salesforce platform for growth and success.


Role Overview

We are seeking a Principal Backend Integration Engineer with exceptional technical expertise and leadership skills to join our dynamic team. This role demands a proactive problem solver with deep backend and systems engineering knowledge to drive the development of scalable, secure, and stable applications. You’ll collaborate cross-functionally to deliver high-impact solutions across diverse industries.


Key Responsibilities

  • Design, develop, and maintain backend systems with a focus on stability, scalability, and security.
  • Architect and implement integration solutions for seamless connectivity between platforms.
  • Drive end-to-end product development and manage multiple projects simultaneously.
  • Collaborate with cross-functional teams, including product, network, and design, to define and finalize technical requirements.
  • Lead and mentor a team of engineers, fostering innovation and excellence.
  • Architect and implement robust backend systems using Node.js and NestJS , ensuring modularity, scalability, and maintainability.
  • Design and optimize RESTful APIs for high-demand environments with a focus on security, scalability, and performance.
  • Integrate external services into backend systems, addressing challenges like inconsistent response times and managing retry logic.
  • Leverage RabbitMQ for asynchronous processing, implementing message queues, exchanges, and dead-letter queues for decoupled and efficient task execution.
  • Manage and optimize large-scale databases, with a strong focus on PostgreSQL , using indexing, partitioning, and materialized views.
  • Balance ORM usage with raw SQL for high-performance query execution.
  • Identify and resolve performance bottlenecks in high-throughput systems through indexing, query optimization, and caching.


What We’re Looking For:

  • 8+ years of experience in backend development with expertise in Node.js and modern frameworks like NestJS .
  • Strong understanding of event-driven architecture and its impact on application performance.
  • Extensive experience designing, implementing, and optimizing RESTful APIs.
  • Hands-on experience with RabbitMQ or similar message queue systems.
  • Advanced knowledge of PostgreSQL and database optimization techniques for handling large datasets.
  • Proficiency in balancing ORMs with raw SQL for optimal performance.
  • A deep understanding of backend performance monitoring tools and best practices.
  • Proven ability to handle complex integration challenges, ensuring robust and seamless external service connections.
  • Exceptional problem-solving skills and a results-driven approach to system design and optimization.
  • B.Tech in Computer Science or a related field.
  • Strong analytical, problem-solving, and decision-making abilities.
  • Excellent written and verbal communication.


Preferred Qualifications:

  • Experience in payment processing, e-commerce platforms, or similar high-demand industries.


Why Join Us?

  • Opportunity to lead and shape the future of exciting projects in a rapidly growing company.
  • Competitive salary and benefits package.
  • Be part of a collaborative, innovative, flexible and supportive work environment.
  • Ongoing opportunities for professional development and career growth.

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