MongoDB Basics

AI Tools Workshop

Bachelor's degree

12th

Successfully built a geofencing-based automated attendance system (GEOX) using Google Map API and MEAN Stack, which uses geolocation and geofencing to manage the user's attendance.
Developed a URL Shortner app using NodeJS and MongoDB that uses the MD5 Hashing algorithm to make unique short URLs.
Learned MEAN Stack technologies, concepts, REST APIs, CRUD operations. Built simple MEAN Stack applications.

Trainee

Worked on a hospital management system(ROC Care Systems) used by the UK govt. Implemented nested Firebase collections to organize and display detailed performance metrics for care homes, enabling easy analysis and comparison of daily, monthly, and overall statistics. This improves decision-making and performance analysis for care homes by 75%. Also, integrated ngx-charts and PDF export functionality to generate comprehensive statistical reports for each care home, consolidating data into a single, streamlined PDF document. This enhances accessibility and usability of data, increasing operational effectiveness by 50%. Enhanced existing Firebase schemas by removing redundant data and creating a scalable new collection, improving the cleanliness of the database by 25%. Additionally, developed a medical track record for each patient day-wise and presented it in customized charts. This upgrade enhances patient outcomes and efficiency in medical management by 75%.

Technologies used: Angular

Full Stack Engineer

Delivered bug fixing, complex customer critical issues, and optimized the API for high performance and scalability in a Market Research project (2,00,000 Average Daily Traffic).
Integrated third-party APIs (Suppliers API) to the Market Research project and performed in collaboration to bring traffic to the project. Expand the project's network, potentially increasing traffic and engagement by 25%.
Remarkable implementation of Text Analyzer module and API in Market Research project which uses SFTP server and AWS S3 as storage and automated using cron jobs. Exposed the company text analyzer API for third-party suppliers, upscale company revenue by 5-10%.
Built secure and reliable RESTful APIs using CRUD. Worked on AWS services - EC2, S3, Lambda, etc.
Optimized and constructed MongoDB schemas and worked with indexes to improve query performance.
Collaborated with cross-functional teams to define, design, and ship new features using agile management tools. Continuous daily code review prac

Built a web-based chat application using Socket.io, Angular, Typescript, Express, NodeJS, and MongoDB. Implemented OTP verification using Twilio.
Mastered the MVC architecture for both frontend and backend applications using Javascript and Typescript.

Technical Analyst

Datahub:
Built a centralized Master Data Hub integrating multiple ATS platforms, improving data consistency and reducing discrepancies by ~30% through scalable ingestion and normalization pipelines. Developed high-performance GraphQL APIs and AWS serverless microservices, cutting data access latency by ~50%. Implemented automated profile scoring pipelines using Python, SQLMesh, DLT, Athena, DuckDB, accelerating candidate evaluation by 50%. Automated CI/CD and cloud deployments, achieving ~99.9% pipeline stability and reducing manual effort by ~60%.

ScoutToCTM (ATS Integration Platform):
Designed an event-driven ATS integration using AWS Lambda, EventBridge, and SQS to sync job postings in near real time with 99% delivery success. Implemented retry and DLQ mechanisms, reducing manual intervention by ~90% and ensuring zero job loss. Added end-to-end job lifecycle tracking, alerts, and reporting via CloudWatch, cutting incident resolution time by 50%.

Senior Software Engineer

Meta Platforms:
Worked on large-scale Meta platform initiatives, designing and developing scalable enterprise applications and integrations to support business operations and user engagement. Collaborated with cross-functional teams including product managers, architects, and developers to deliver high-quality solutions using modern web technologies and cloud services. Responsible for analyzing business requirements, implementing application enhancements, optimizing system performance, and ensuring seamless integration across multiple platforms.

Packaged App Development Senior Analyst

Full Stack and AWS Development | Building Scalable Web Applications | Expert in Node.js, Angular, Python, AWS, MongoDB,

Know about Abhinav Chauhan's work experience, education, bootcamps, certifications, and much more. Abhinav Chauhan