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Prathik User

@prathikk

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Backend and Infrastructure consultant helping teams build resilient systems.

India

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What I'm looking for

I am looking for opportunities to collaborate with innovative teams that value resilience and efficiency in their systems.

I am a Backend and Infrastructure consultant with a passion for helping teams build resilient systems and reduce infrastructure debt. As a former lead engineer turned independent consultant, I partner with startups and scaling teams to design backend systems, optimize infrastructure, and solve high-leverage technical problems.

Throughout my career, I have built the entire backend architecture from scratch for a fast-growing SaaS platform, led teams in implementing DevOps pipelines, and modernized user authentication systems. My experience includes reducing cloud database costs significantly and architecting backend systems for various applications, showcasing my ability to deliver production-grade solutions.

I thrive on tackling complex challenges and am dedicated to ensuring that the systems I design are not only efficient but also scalable. My technical expertise spans across multiple programming languages and cloud infrastructure tools, allowing me to provide comprehensive solutions tailored to the needs of my clients.

Experience

Work history, roles, and key accomplishments

Current

System Developer

Current

Personal Trading System

Dec 2018 - Present (6 years 5 months)

Designed and built an automated trading platform featuring ML-based regime classification, vector similarity searches, and rule-based execution. Integrates with multiple market feeds and provides real-time portfolio management.

Machine Learning Portfolio Management System Design Vector Similarity

Infrastructure Consultant

YeloBank

Aug 2018 - Dec 2018 (4 months)

Reduced AWS infrastructure costs by 30% through system-wide optimization, cost audits, and architectural refactoring. Identified and eliminated cloud inefficiencies in networking, compute, and storage layers.

AWS Cost Optimization Refactoring Cloud Infrastructure

Backend Architect

CaptainFresh

Apr 2018 - Aug 2018 (4 months)

Architected and implemented backend systems for inventory orchestration and facility workflows. Created a workflow orchestrator service using AWS SWF, enabling cleaner modular execution.

Backend Systems Inventory Management

Cloud Architect

Sevenlakes

Dec 2017 - Apr 2018 (4 months)

Reduced cloud database costs by ~$30k/month by replacing Postgres workloads with AWS Athena. Led the architectural redesign and implemented the migration with zero downtime.

AWS Postgres Athena Architectural Redesign

Backend Developer

Livspace

Aug 2017 - Dec 2017 (4 months)

Redesigned user authentication system by integrating OAuth2.0 with legacy auth. Built a scalable Role-Based Access Control (RBAC) system and modernized the internal notification engine with a multi-channel delivery model.

OAuth 2.0 RBAC Backend Development System Design Multi Channel Notifications

Backend and Infrastructure Consultant

Goldcast

Aug 2016 - Aug 2017 (1 year)

Built the entire backend architecture from scratch using Python/Django. Led a team of 3 engineers, introduced DevOps pipelines, CI/CD workflows, and built production-grade systems for a fast-growing SaaS platform.

Python Django DevOps CI CD AWS

Education

Degrees, certifications, and relevant coursework

Birla Institute of Technology and Science, Pilani

Bachelor of Engineering, Engineering

2012 - 2016

Studied various aspects of engineering with a focus on backend systems, infrastructure optimization, and database design. Developed skills in system architecture and performance tuning, preparing for a career in technology and engineering.