Backend Engineer

About :

For over 25 years, our client have been the engine behind some of the world's most admired businesses-driving innovation, automating processes, and transforming customer experiences. There strength lies in deep domain expertise, AI-powered tools, and an unwavering commitment to operational excellence at scale.

They help clients master rapidly changing markets by advancing capabilities and harnessing new technologies to deliver measurable results. Each engagement deepens our expertise and builds lasting impact-reflected in the trust, referrals, and long-term partnerships we've earned worldwide. At eClerx, transformation isn't a promise-it's measurable progress : practical, scalable, and built to last.

Role Summary :

Develop robust backend services for an MDM platform, handling business logic, rule processing, and persistence to Neo4j.

Key Responsibilities :

Build scalable and secure REST or GraphQL API services in Node.js (Express / NestJS).

Design and implement complex Cypher queries, data models, and relationships for Neo4j.

Manage API integration with frontend, batch pipelines, and third-party systems.

Implement entity resolution, merging, audit traces, and access controls.

Optimize performance for high-volume graph operations.

Required Skills & Experience :

4+ years Node.js backend / API development.

2+ years combined with Neo4j or another graph database, strong Cypher query writing.

Familiarity with complex data relationships and graph-based business logic.

Secure design principles, JWT / OAuth API protection, error handling.

API documentation (Swagger / OpenAPI) and automated testing.