Pravin Kumar Mahato

Software Engineer & Full Stack Developer

Architecting scalable systems, event-driven data pipelines, and AI-powered applications. Dedicated to driving 99.9% uptime and building high-performance modern web platforms.

Experience

Software Engineer

Origins AI

Feb 2026 - PresentDelhi, India (Remote)
  • Led end-to-end backend development for core platform features with scalable PostgreSQL schemas and business-critical APIs.
  • Built event-driven data pipelines (Kafka) with guarantees on idempotency, deduplication, and reliability.
  • Developed AI-powered systems (research chat agents, Pinecone vector search, SSE/WebSockets).
  • Re-architected document ingestion and caching (Redis) improving performance.
  • Achieved 99.95% service-layer coverage with 985 tests.

Full Stack Engineer

Freelancing

Jul 2025 - Jan 2026Mumbai, India
  • Architected microservices-based apps (Node.js, React, PostgreSQL, Kubernetes on AWS & GCP) achieving 99.9% uptime.
  • Containerized services with Docker, improving release reliability by 40%.
  • Built real-time systems using REST + WebSockets (<200 ms latency).
  • Engineered multilingual RAG systems using FastAPI, LangChain, and Gemini API.

Software Engineer

Kaiburr

Nov 2023 - Jun 2025Cambridge, MA, USA (Remote)
  • Full-stack development using Python (Flask, Django), React.js, and Java.
  • Resolved 20+ bugs, enhanced features, and improved UI/UX across 4 enterprise applications.
  • Deployed Django APIs, containerized services, and reduced ML inference time by 30%.
  • Managed MongoDB data and integrated Whoosh search, improving AI text relevance by 20%.

Intern

Curaksha

Nov 2020 - Jun 2021Mumbai, India (Remote)
  • Designed responsive UI interfaces, reducing UI defects by 15%.
  • Collaborated with cross-functional teams to improve design consistency.

Featured Projects

Kube Credential

Architected a microservice-based credential system achieving 99.9% API uptime.

Node.jsTypeScriptReactPostgreSQLKubernetes
99.9% Uptime
40% Reliability Boost

WhatsApp Web Clone

Built a real-time clone with secure authentication, search, and date-grouped history.

ReactTypeScriptTailwindExpressSocket.ioMongoDB
<200ms Delivery
98% Sync Reliability

MultiLang RAG

Created a multilingual RAG system supporting contextual Q&A in 10+ languages.

FastAPILangChainGemini APIMongoDBReact
35% Latency Reduction
10+ Languages

Human Presence Detection

Captured RSSI data from ESP32 applying statistical filters to detect human presence.

ESP32RF SignalsPython
90%+ Accuracy
12% Consistency Boost

Precision Agriculture Using NDVI

Developed a Flask-based web app to visualize NDVI from RGB/NIR images for crop analysis.

PythonFlaskPILOpenCV
100+ Crop Analyses
25% Early-warning Precision

Technical Toolkit

Languages

PythonJavaScriptTypeScript

Web Technologies

DjangoFlaskFastAPIReact.jsNext.jsBootstrapTailwind CSS

Python Libraries & AI

NumPyPandasMatplotlibPlotlyScikit-learnOpenCVLangChainGemini API

Databases

MySQLPostgreSQLMongoDBRedisPinecone

DevOps & Tools

DockerKubernetesGitGitHubGitHub ActionsAtlassian Jira

Education & Achievements

Education

VIT, Vellore2022 - 2024

Master of Computer Applications (MCA)

CGPA: 8.31

KC College, Mumbai2019 - 2022

B.Sc. in Information Technology

CGPA: 9.20

Achievements

Best Project Award

May 2023

Code for Life Hackathon, VIT Vellore. Awarded Best Project among 100+ registered teams and 400+ participants.

Best Volunteer Award

2021 - 2022

Jigyaasa – Science Honors Program, KC College. Recognized as Best Volunteer of Batch XVII in the U.G. research initiative.

SIH Internal Hackathon

Mar 2022

KC College. Secured 2nd Position at the Smart India Hackathon Internal Round.

Project DeepBlue

Mar 2022

Mastek. Achieved 2nd Runner-up Position in Season 7 among 280+ teams.