# Sahil Tyagi - Backend Developer | AI/ML Integration Specialist
Source: https://hello.cv/sahiltyagi
Bangalore

## Links
- LinkedIn | https://linkedin.com/in/sahil-tyagi-
- GitHub | https://github.com/sahiltyagi1999

## 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
### Backend Developer Intern | Edify by Winuall
https://
Contributed to the development of scalable, high-concurrency e-commerce backend systems, focusing on API optimization, data integrity, and seamless third-party integrations.
- 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.
### Backend Developer | Edify by Winuall
https://
Spearheaded the development and optimization of critical backend systems, enhancing traceability, search performance, and operational efficiency through advanced engineering solutions.
- 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) | Computer Engineering
GPA: 7.8 | https://
### University Institute of Engineering and Technology | Computer Engineering
CPI: 6.85 | https://

## Languages
- English
- Hindi

## Skills
### Languages
Proficient
- JavaScript
- TypeScript
- Python
- C++
- Java
### Frameworks
Proficient
- Node.js
- Express.js
- React.js
- Tailwind CSS
### Backend Skills
Proficient
- REST APIs
- API Rate Limiting
- JWT Auth
- Caching
- OAuth2
- Webhooks
### Databases
Proficient
- MongoDB
- MySQL
- Redis
- Elasticsearch
### DevOps & Tools
Proficient
- Git
- GitHub
- Docker
- Kubernetes
- Postman
### Cloud Platforms
Proficient
- AWS (EC2, S3)
- GCP
### Concepts
Proficient
- System Design
- SOLID Principles
- CI/CD
- Design Patterns
- Microservices

## Projects
### Therapist AI
https://
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
https://
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.

## Source
Read this profile on Hello.cv: https://hello.cv/sahiltyagi
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