Bhagvendra Singh Parihar

Backend Developer · 2+ yrs

Indore, Indiapariharyash1989@gmail.com

Node.js backend engineer focused on scalable SaaS platforms, microservices architecture, distributed systems, and production-grade cloud backends. I build maintainable APIs with PostgreSQL-backed services, while also working across Kafka event pipelines, Redis caching and rate limiting, BullMQ background workers, gRPC services, MongoDB geospatial indexing, Amazon S3 presigned uploads, Amazon Cognito SSO, and AWS cloud architecture. My work spans 250+ production REST APIs, 30–50% backend performance gains, 1,000+ monthly payments, 500+ monthly roadside assistance requests, 40% dispatch accuracy improvement, and technical documentation that reduced developer onboarding time by 35%.

Core Stack

Node.jsKafkaRedisMicroservices ArchitectureAWS (EC2, S3, Lambda, Cognito)TypeScriptBullMQgRPCMongoDB

Experience

Backend Developer | Node.js | PostgreSQL | MongoDB

Infinity Genesis Techso Private Limited

November 2024 - Present

Engineered backend workflows across 250+ APIs for appointments, workorders, inventory, dashboards, and multi-tier onboarding
Improved system performance by 30-50% through aggregation optimization, indexing, filters, and caching strategies
Built extensible export systems with Factory Pattern, PostgreSQL, Sequelize ORM, and Zod validation to keep tenant-specific export logic reusable and safe
Implemented MongoDB geospatial indexes and Amazon Location Service for roadside assistance routing
Improved mechanic dispatch accuracy by 40% and reduced wait times for 500+ monthly requests
Integrated Amazon S3 presigned uploads, Kafka events, Redis rate limiting, and gRPC services
Enabled compliant invoicing and 1,000+ monthly payments with Mexican CFDI + PAC stamping
Cut backend load by 40% through scalable API, caching, and async processing patterns
Standardized Winston logging and error tracing across APIs and background jobs for production support
Reduced new developer onboarding time by 35% through clear technical documentation

Software Developer Trainee | Flutter | RestAPIs | Mobile App Development

DiracERP Solution Pvt. Ltd.

May 2024 - October 2024

Built WoodNapi, a Flutter-based offline app using GetX and sqflite with Node.js REST APIs for server-side data sync
Delivered 95% offline functionality while maintaining centralized data integrity
Architected Mavtra's real-time attendance system using Node.js and Express.js
Integrated face authentication and GPS-based location tracking
Improved attendance accuracy by 92% and reduced manual entries by 40%

Web Developer | Frontend | JavaScript | HTML | CSS

AMH Communications Pvt. Ltd.

April 2022 - July 2022

Developed 10+ frontend templates including e-commerce, medical portfolio, and blog websites
Improved frontend development processes and team collaboration
Reduced project delivery time by 20% by applying implementation best practices
Enhanced implementation skills across HTML, CSS, and JavaScript

Expertise

Service Design

Design APIs, service boundaries, and validation flows that stay maintainable as product scope grows.

Data Pipelines

Move large imports through queued, fault-tolerant worker pipelines with batching and tenant-specific transforms.

Relational Systems

Shape PostgreSQL models for reporting, exports, and transactional workflows with reusable access patterns.

Async Orchestration

Coordinate async work with queues and events while preserving fairness, retries, and predictable completion.

Logging & Diagnostics

Keep jobs and services debuggable with structured logging, traceability, and explicit failure states.

Cloud Operations

Ship backend services on AWS with Docker, CI/CD, secure managed services, and repeatable deployments.