Sachin Chandra Joshi

Backend Developer | Ruby on Rails & Go Expert

I build robust, scalable backend systems with a focus on performance and clean architecture. With expertise in Ruby on Rails and Go, I create efficient solutions that power modern web applications.

Technical Skills

Backend Development
Ruby on Rails Go Python Django Flask REST APIs GraphQL
Databases
PostgreSQL MySQL MongoDB Redis Elasticsearch
DevOps & Cloud
Docker Kubernetes AWS CI/CD Terraform Linux
Other Technologies
Git RabbitMQ Kafka OAuth JWT WebSockets

Professional Experience

Nov 2023 – Present
SDE-2
Builder.ai, Gurgaon, India

Optimized PostgreSQL and Kubernetes autoscaling, reducing cloud costs by 20%. Built real-time WebSocket streaming and implemented Brotli compression to improve API performance. Led Rails upgrades and integrated Elasticsearch to boost search speed and user engagement.

Dec 2022 – Nov 2023
Software Engineer
Agribazaar (Remote)

Reduced onboarding time by 30% via eKYC integration. Automated support with Zoho Desk APIs, cutting ticket resolution by 60%. Developed geospatial search and embedded Power BI for enhanced analytics.

Apr 2022 – Oct 2022
Software Engineer
BigBinary (Remote)

Improved e-commerce checkout speed, increasing purchases by 15%. Developed scalable REST APIs with 99.9% uptime and implemented TDD with Cypress for reliable testing.

Mar 2021 – Apr 2022
System Engineer
Tata Consultancy Services, Bangalore, India

Boosted anti-money laundering detection by 25% using Big Data analytics. Accelerated ETL pipelines by 40% and built low-latency Kafka messaging systems for real-time event processing.

Key Projects

E-commerce API Platform

Scalable backend system for an e-commerce platform handling 10,000+ RPM. Built with Ruby on Rails, PostgreSQL, and Redis. Implemented caching, background jobs, and payment processing.

Ruby on Rails PostgreSQL Redis Stripe API
View Details
Data Processing Pipeline

Python-based ETL pipeline processing millions of records daily. Utilized Celery for distributed task processing and Elasticsearch for fast data retrieval. Reduced processing time by 75%.

Python Celery Elasticsearch Docker
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Real-time Notification Service

WebSocket-based notification system with Rails backend. Supports 50,000+ concurrent connections. Features read receipts, typing indicators, and message persistence.

Ruby on Rails WebSockets Redis PostgreSQL
View Details

Get In Touch

I'm currently open to new opportunities and interesting projects. Whether you have a question or just want to connect, feel free to reach out. I'll get back to you as soon as possible.