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Chirag Singhal

Chirag Singhal

Software Engineer • Full Stack, Backend & Distributed Systems Specialist

Bhubaneswar, Odisha, IN
(+91) 74284-49707

Background


About

About

Results-oriented Software Engineer with extensive experience across the full Software Development Life Cycle (SDLC), specializing in scalable backend architectures, full-stack development, AI-driven automation, and cloud-native deployments. Proficient in modern Python and JavaScript/TypeScript ecosystems (React, Node.js, FastAPI, Astro) with deep expertise in Microservices, Serverless Architectures, DevOps, and Security Engineering. A rapid learner and academic topper (JEE Advanced Rank Holder) with a proven ability to reduce system latency, build production-grade platforms, optimize enterprise data pipelines, and implement robust security practices in distributed environments.

Work Experience

Work Experience

  • Software Engineer

    Jun, 2025 - Present

    • Optimized enterprise-scale pricing engines and business logic using Python, reducing processing latency by 60% for high-volume transactions.

    • Architected modular data validation pipelines bridging legacy systems with modern RESTful APIs, ensuring data integrity across the SDLC.

    • Implemented Automated CI/CD Workflows and standardized testing protocols, significantly reducing production bugs and rollback rates.

    • Designed and maintained responsive, dynamic UI components using React.js to provide real-time visibility into backend configurations.

    • Refactored monolithic legacy codebases into maintainable, object-oriented modules while enforcing strict security and performance standards.

  • Software Developer (Full Stack)

    Jul, 2023 - May, 20251 year 11 months

    • Managed the full software life cycle for a high-traffic Food E-commerce platform using Python, Node.js, and MongoDB.

    • Executed database tuning and indexing strategies, achieving a 40% reduction in API response times for critical administrative dashboards.

    • Developed real-time order processing systems and event-driven architectures using Kafka to synchronize data across multiple distributed outlets.

    • Built secure payment gateway integrations and authentication modules with a focus on robust cybersecurity and data privacy.

    • Engineered modular frontend components in React.js to deliver a seamless and performant user experience across devices.

Projects Experience

Projects Experience

  • Oriz — 1000+ Free Online Tools Platform

    - Present

    • Engineered a production-grade full-stack platform (oriz.in) with 192+ client-side tools across 8 categories (PDF, Image, Cryptography, Developer, SEO, Calculators, Network, Social) using Astro, React, TypeScript, and Tailwind CSS, deployed on Cloudflare Pages.

    • Built a real-time data API marketplace with 69 Python web scrapers across finance, crypto, weather, sports, and news domains, orchestrated by 5 GitHub Actions CI/CD pipelines with scheduled cron jobs.

    • Integrated 10 AI/LLM providers (Gemini, Groq, Mistral, Cohere, NVIDIA NIM, OpenRouter, Cerebras, HuggingFace) into a unified chatbot interface with provider-agnostic abstraction and intelligent fallback routing.

    • Architected multi-cloud backend: Firebase (Auth + Firestore), Supabase, Turso (LibSQL), Upstash Redis, Cloudflare R2, Algolia Search, Sanity CMS, and Razorpay payment gateway with webhook-driven order verification.

    • Implemented 40+ cryptographic hash algorithms, client-side encryption (AES/DES/3DES/RC4), Kinde Auth (PKCE), Firestore security rules, and 100% client-side processing for maximum user privacy.

    • Built 8 serverless edge functions on Cloudflare Workers handling comments, ratings, file uploads (R2), email dispatch, reCAPTCHA verification, payment webhooks, and view tracking.

  • NexusAI - Multi-Agent RAG Platform

    - Present

    • Architected an Agentic AI Platform using LangGraph that orchestrates multiple autonomous LLM agents to solve complex coding tasks.

    • Implemented a Graph-based RAG pipeline using Neo4j and Vector Embeddings to provide high-precision context retrieval for enterprise documentation.

    • Deployed the system on Kubernetes with auto-scaling capabilities to handle concurrent agent execution threads in a cloud-native environment.

  • TubeDigest - Multimodal Sponsor Detection

    - Present

    • Developed a high-performance AI engine to detect sponsor segments using Hugging Face Transformers and multimodal analysis (Audio + Text).

    • Fine-tuned a T5 Model and optimized inference speed by 3x using ONNX Runtime and dynamic quantization techniques.

    • Built a scalable Flask microservice to process real-time video streams with sub-second latency, incorporating secure API endpoints.

  • Olivia - Edge AI Voice Assistant

    - Present

    • Engineered a privacy-first Virtual Assistant utilizing Local LLMs (Llama-3) for intent classification and complex command execution.

    • Implemented an Edge Computing architecture to process voice commands locally, eliminating cloud latency and ensuring offline functionality.

    • Designed a plugin-based system enabling seamless integration with IoT devices and system automation scripts, with secure data handling.

  • Crawl4AI - Distributed RAG Ingestion

    - Present

    • Designed a Distributed Web Crawler utilizing Redis Task Queues to ingest massive datasets for LLM training pipelines.

    • Implemented intelligent stealth drivers and proxy rotation to bypass enterprise-grade WAFs and anti-bot protections.

    • Optimized data parsing algorithms to convert unstructured HTML into structured JSON/Markdown for Vector Database ingestion, ensuring data security.

  • CloudLens - Serverless Event Pipeline

    - Present

    • Designed an Event-Driven Architecture on AWS Lambda to automatically process and categorize high-volume media assets.

    • Implemented Infrastructure as Code (IaC) using Terraform to provision reproducible staging and production environments across AWS and Azure.

    • Integrated CloudWatch and Prometheus for full-stack observability and automated alert handling.

  • StreamGuard - Real-Time Fraud Analytics

    - Present

    • Architected a scalable streaming pipeline using Apache Kafka to ingest and process 10k+ transaction events per second.

    • Developed PySpark microservices deployed on Kubernetes to detect fraud anomalies with sub-200ms end-to-end latency, incorporating ML models.

  • OmniPublish - Content Orchestration Engine

    - Present

    • Architected a robust API Gateway using the Adapter Pattern to unify 17+ external platforms (LinkedIn, Twitter) into a single interface.

    • Implemented Circuit Breaker patterns and asynchronous retry mechanisms (Celery) to ensure fault tolerance across distributed APIs, with full-stack integration.

Skills

Skills

  • Languages

    Python (Advanced)

    TypeScript

    JavaScript

    SQL (PostgreSQL, MySQL, LibSQL)

    HTML5

    CSS3

  • Backend & Cloud

    FastAPI

    Node.js

    Django

    GraphQL

    Kafka

    Redis

    Upstash Redis

    AWS (Lambda, EKS, S3)

    Cloudflare Workers

    Docker

    Kubernetes

    Terraform

  • Frontend & Full Stack

    React.js

    Astro

    Tailwind CSS

    Redux

    Chart.js

    MDX

    RESTful APIs

    Microservices Architecture

    Serverless Architectures

    PWA

  • AI & Data Engineering

    LangChain

    RAG Pipelines

    Vector DBs (Milvus/Chroma)

    Hugging Face

    Google Gemini

    Groq

    Mistral AI

    Cohere

    NVIDIA NIM

    OpenRouter

    Multi-Provider LLM Integration

    ETL Pipelines

    PyTorch

    Web Scraping (BeautifulSoup/Cheerio)

  • Databases & Storage

    Firebase Firestore

    Supabase (PostgreSQL)

    MongoDB

    Turso (LibSQL)

    Upstash Redis

    Cloudflare R2 (S3-Compatible)

    Sanity CMS

    Algolia Search

  • DevOps & CI/CD

    GitHub Actions

    Jenkins

    Cloudflare Pages Deployment

    Wrangler CLI

    Cron-Scheduled Workflows

    Infrastructure as Code (IaC)

    Docker

    Kubernetes

    Linux Admin

  • Security & Auth

    Kinde Auth

    Firebase Auth

    OAuth 2.0 (PKCE)

    reCAPTCHA v3

    Client-Side Encryption (AES/DES/3DES/RC4)

    Bcrypt

    40+ Cryptographic Hash Algorithms

    OWASP

    DevSecOps

    Secure Coding

  • Payments & Analytics

    Razorpay (Orders, Webhooks, Verification)

    PostHog Analytics

    Google AdSense

    OneSignal Push Notifications

    Cloudinary Media Optimization

  • Core Competencies

    System Design (HLD/LLD)

    OOP

    SOLID Principles

    Distributed Systems

    Modular Architecture

    Unit/Integration Testing

    TDD

    Agile Methodologies

Education

Education

  • Computer Science and Engineering, B.Tech, Dr. A.P.J. Abdul Kalam Technical University

    Sep, 2020 - Jul, 2024

  • Senior Secondary (Class 12th) - CBSE, High School, DDPS, Sanjay Nagar

    - May, 2020

Awards

Awards

  • College Topper , AKTU

    Awarded on: Jan 01, 2024

    Rank 1 in Computer Science Engineering Batch (2020-2024)

  • JEE Advanced , India

    Awarded on: Jan 01, 2020

    Secured All India Rank 11870 (99th Percentile)

  • Meta Backend Developer Course , Coursera

    Awarded on: Jan 01, 2023

    Certification

  • AWS Certified Developer - Associate , Amazon Web Services

    Awarded on: Jan 01, 2025

    Certification