Sahil Tyagi

Backend Developer | AI/ML Integration Specialist
Bangalore, IN.

About

Highly accomplished Backend Developer with a Master's degree from IIT and 2+ years of experience in full-stack development, specializing in scalable systems, AI/ML integration, and robust API design. Proven ability to optimize performance by up to 60%, enhance system security by 100%, and streamline operations, reducing manual intervention by 70%. Possesses strong problem-solving skills with 500+ DSA problems completed and active open-source contributions, positioning for high-impact roles in advanced backend engineering.

Work

Edify by Winuall
|

Backend Developer Intern

Bangalore, Karnataka, India

Summary

Contributed to the development of scalable, high-concurrency e-commerce backend systems, focusing on API optimization, data integrity, and seamless third-party integrations.

Highlights

Contributed to a high-concurrency asset and e-commerce backend, serving 10,000+ users and enabling modular service separation for microservices adoption.

Developed production-ready, low-latency REST APIs using Node.js and MongoDB, implementing Redis caching to reduce database queries by 60% and improve API latency by 40%.

Enhanced secure user management and bulk operations, preventing accidental deletions and maintaining 100% data integrity.

Successfully integrated over 10 external applications via OAuth, significantly streamlining workflows and boosting overall system performance.

Edify by Winuall
|

Backend Developer

Bangalore, Karnataka, India

Summary

Spearheaded the development and optimization of critical backend systems, enhancing traceability, search performance, and operational efficiency through advanced engineering solutions.

Highlights

Engineered a production-grade log system, capturing 100% of asset actions to enable full traceability and audit-compliant backend insights.

Architected and deployed a CI/CD-integrated Elasticsearch search pipeline, boosting query performance and user engagement by 60% across categorized assets.

Implemented a Dockerized support workflow compatible with microservices, improving SLA adherence by 50% and reducing resolution delays by 40% on AWS EC2.

Automated the entire invoicing lifecycle, reducing billing errors by 90% and accelerating payments by 60%.

Deployed AI-driven agents to automate Tier-1 queries, cutting manual intervention by 70% and enhancing observability with Grafana/Loki dashboards.

Education

Indian Institute of Technology (IIT)
Guwahati, Assam, India

Master of Technology

Computer Engineering

Grade: GPA: 7.8

University Institute of Engineering and Technology
Kanpur, Uttar Pradesh, India

Bachelor of Technology

Computer Engineering

Grade: CPI: 6.85

Languages

English
Hindi

Skills

Languages

JavaScript, TypeScript, Python, C++, Java.

Frameworks

Node.js, Express.js, React.js, Tailwind CSS.

Backend Skills

REST APIs, API Rate Limiting, JWT Auth, Caching, OAuth2, Webhooks.

Databases

MongoDB, MySQL, Redis, Elasticsearch.

DevOps & Tools

Git, GitHub, Docker, Kubernetes, Postman.

Cloud Platforms

AWS (EC2, S3), GCP.

Concepts

System Design, SOLID Principles, CI/CD, Design Patterns, Microservices.

Projects

Therapist AI

Summary

Developed a full-stack therapy chatbot platform using MERN stack and RAG-powered LLMs, aimed at democratizing access to mental health support in Tier-2/3 cities across India, onboarding 100+ users in the first month.

CPU Simulation

Summary

Built a C++ simulation library for 5 key Operating System scheduling algorithms (FCFS, RR, SPN, SRT, HRRN) to evaluate performance metrics for in-depth analysis.