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I'm Vishnu Priyan Sellam Shanmugavel, a curious software engineer with 4 years of experience in Python, Flutter, and JavaScript. I build scalable, Dockerized cloud microservices, AI features, and analytics pipelines for fintech, sustainability, and health care. I enjoy solving hard problems with distributed systems, modern tooling, and clean architecture. I have strong experience with distributed systems, GCP, AWS, Azure, GraphQL, Cloud SQLs, gRPC, and real-time data processing, including RAG-based agent orchestration with functional and MCP tools.…I'm Vishnu Priyan Sellam Shanmugavel, a curious software engineer with 4 years of experience in Python, Flutter, and JavaScript. I build scalable, Dockerized cloud microservices, AI features, and analytics pipelines for fintech, sustainability, and health care. I enjoy solving hard problems with distributed systems, modern tooling, and clean architecture. I have strong experience with distributed systems, GCP, AWS, Azure, GraphQL, Cloud SQLs, gRPC, and real-time data processing, including RAG-based agent orchestration with functional and MCP tools.

Vishnu Priyan Sellam Shanmugavel

App Developer, Full Stack Developer, AI Developer, +6

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I'm Vishnu Priyan Sellam Shanmugavel, a curious software engineer with 4 years of experience in Python, Flutter, and JavaScript. I build scalable, Dockerized cloud microservices, AI features, and analytics pipelines for fintech, sustainability, and health care. I enjoy solving hard problems with distributed systems, modern tooling, and clean architecture. I have strong experience with distributed systems, GCP, AWS, Azure, GraphQL, Cloud SQLs, gRPC, and real-time data processing, including RAG-based agent orchestration with functional and MCP tools.…I'm Vishnu Priyan Sellam Shanmugavel, a curious software engineer with 4 years of experience in Python, Flutter, and JavaScript. I build scalable, Dockerized cloud microservices, AI features, and analytics pipelines for fintech, sustainability, and health care. I enjoy solving hard problems with distributed systems, modern tooling, and clean architecture. I have strong experience with distributed systems, GCP, AWS, Azure, GraphQL, Cloud SQLs, gRPC, and real-time data processing, including RAG-based agent orchestration with functional and MCP tools.

Available to hire

I’m Vishnu Priyan Sellam Shanmugavel, a curious software engineer with 4 years of experience in Python, Flutter, and JavaScript. I build scalable, Dockerized cloud microservices, AI features, and analytics pipelines for fintech, sustainability, and health care. I enjoy solving hard problems with distributed systems, modern tooling, and clean architecture.

I have strong experience with distributed systems, GCP, AWS, Azure, GraphQL, Cloud SQLs, gRPC, and real-time data processing, including RAG-based agent orchestration with functional and MCP tools.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Amharic

Intermediate

English

Fluent

Work Experience

Founder at Floxi

April 1, 2025 - Present

Led migration of a B2B and B2C eco-reward app from Flutter to native Android and iOS using Jetpack Compose and SwiftUI. Optimized animation fluidity by 10%, reduced APK size by 20%, and startup latency by 20%. Built AI-driven product suggestions, barcode scanning, and receipt-based carbon tracking as scalable GCP microservices. Enabled users to earn rewards for green purchases and helped businesses promote green alternatives via analytics.

Software Development Intern at Leap Of Faith Technologies

May 1, 2025 - Present

Developed OMOP ETL pipelines for EHR/FHIR data and cloud-based compute-intensive lab infrastructure using Vocareum. Gained experience with Python, AWS, and healthcare data standards.

Software Engineer II at Grootan Technologies

November 1, 2023 - August 7, 2025

Collaborated in an agile cross-functional team building white-label superapps with over 1 million downloads using Flutter, Kotlin, and Swift. Modularized app architecture improving maintainability and scalability, reducing load time by 40%. Refactored 50k+ LOC applying Bloc, TDD, and SOLID principles, boosting test coverage by 60%. Integrated Stripe payments and biometric authentication to enhance app security and UX. Implemented accessibility features including Talk Back/VoiceOver. Diagnosed ANRs and memory leaks, automated CI/CD reducing effort by 80%. Mentored junior engineers and contributed to architecture decisions.

Flutter Developer at Farazon Software Technologies

March 1, 2022 - August 7, 2025

Contributed to R&D developing real-time IoT systems for oxygen generators using Flutter and MQTT. Developed sensor-based Android and iOS apps with NFC, Bluetooth, GPS, and gyro for cross-platform field operations. Reverse-engineered embedded device protocols for secure integration with Flutter apps. Built backend APIs and dashboards with Flask and Firebase supporting CRM and telemetry.

Founder at Floxi

April 1, 2025 - Present

Leading the migration of a B2B and B2C eco-reward app from Flutter to native Android and iOS using Jetpack Compose and SwiftUI. Optimized animation fluidity by +10%, reduced APK size by 20%, and startup latency by 20%. Built AI-driven product suggestions, barcode scanning, and receipt-based carbon tracking as scalable GCP microservice. Enabled users to earn rewards for green purchases and helped businesses promote green alternatives through analytics.

Software Development Intern at Leap Of Faith Technologies

May 1, 2025 - Present

Developed OMOP ETL pipeline for EHR/FHIR data and a cloud-based, compute-intensive lab infrastructure utilizing Vocareum and AWS technologies.

Software Engineer II at Grootan Technologies

November 30, 2023 - August 7, 2025

Collaborated in an agile, cross-functional team developing white-label superapps with 1M+ downloads using Flutter, Kotlin, and Swift. Modularized app architecture improving maintainability and scalability, reducing load time by 40%. Refactored 50k+ LOC with BLoC, TDD, and SOLID principles, boosting test coverage by 60%. Integrated Stripe payments and biometric authentication enhancing app security and UI/UX. Implemented TalkBack and VoiceOver accessibility compliance features. Diagnosed ANRs and memory leaks with Profiler and Sentry. Automated CI/CD via TeamCity, reducing effort by 80%. Mentored three junior engineers, conducted code reviews, and contributed to architecture decisions.

Flutter Developer at Farazon Software Technologies

March 31, 2022 - August 7, 2025

Contributed to R&D developing real-time IoT systems for oxygen generators using Flutter and MQTT. Developed sensor-based cross-platform Android/iOS mobile apps with NFC, Bluetooth, GPS, and gyro support. Reverse-engineered embedded device communication protocols for secure integration with Flutter apps. Built backend APIs and dashboards with Flask and Firebase supporting CRM and telemetry.

Founder at Floxi

April 1, 2025 - Present

Leading the migration of a B2B and B2C eco-reward app from Flutter to native Android and iOS with Jetpack Compose and SwiftUI. Optimized animation fluidity by over 10%, reduced APK size by 20%, and startup latency by 20%. Developed AI-driven product suggestions, barcode scanning, and receipt-based carbon tracking as scalable GCP microservices. Enabled users to earn rewards for green purchases and helped businesses promote green alternatives through analytics.

Software Development Intern at Leap Of Faith Technologies

May 1, 2025 - Present

Developed OMOP ETL pipelines for EHR/FHIR data and built cloud-based, compute-intensive lab infrastructure using Vocareum as part of the healthcare technology team.

Software Engineer II at Grootan Technologies, Chennai

November 1, 2023 - August 7, 2025

Collaborated in an agile cross-functional team developing white-label superapps with over 1 million downloads using Flutter, Kotlin, and Swift. Modularized app architecture to improve maintainability and scalability, reducing load time by 40%. Refactored 50,000+ LOC using BLoC, TDD, and SOLID principles, increasing test coverage by 60%. Integrated Stripe payments and biometric authentication to enhance app security and UX. Implemented TalkBack/VoiceOver accessibility compliance leveraging Kotlin and Swift for plugin development. Diagnosed ANRs and memory leaks with Profiler and Sentry. Automated CI/CD via TeamCity reducing effort by 80%. Mentored junior engineers, conducted code reviews, owned feature modules, and contributed to architectural decisions.

Flutter Developer at Farazon Software Technologies, Coimbatore

March 1, 2022 - August 7, 2025

Contributed to the R&D team developing real-time IoT systems for oxygen generators using Flutter and MQTT. Developed sensor-based Android and iOS mobile apps for cross-platform field operations integrating NFC, Bluetooth, GPS, and gyro sensors. Reverse-engineered embedded device communication protocols for secure integration with Flutter apps. Built backend APIs and dashboards with Flask and Firebase to support CRM and telemetry.

Full-Stack Engineer / Co-Founder at Floxi

April 1, 2025 - Present

Migrated B2B + B2C eco-reward app from Flutter to native Android/iOS with Jetpack Compose & SwiftUI. Optimized animation fluidity (+10%), reduced APK size (−20%), and startup latency (−20%). Deployed dockerized Flask APIs on GCP connected to MySQL and migrated to PostgreSQL for analytics. Designed a RAG-based eco-product suggestion system using agent orchestration with functional + MCP tools. Built AI-driven product suggestions, barcode scanning, and receipt-based carbon tracking as scalable GCP microservice. Enabled users to earn rewards for green purchases and helped businesses promote green alternatives through analytics.

Software Engineer II at Grootan Technologies

November 30, 2023 - September 22, 2025

Mid-level software engineer contributing to Flutter, Dart, Kotlin, Android/iOS, and architecture improvements. Worked on White-Label banking apps with 1M+ downloads; modularized app architecture, reduced load times; integrated Stripe for payments and biometric authentication; CI/CD via TeamCity; mentored junior engineers.

Flutter Developer at Farazon Software Technologies

March 31, 2022 - September 22, 2025

Contributed to R&D for real-time IoT systems using Flutter and MQTT. Built sensor-based Android/iOS mobile apps for field operations; authored embedded device communication protocols to enable secure integration with Flutter apps. Built backend APIs and dashboards to support CRM and telemetry.

Hackathon Project Experience at Perplexity Show Case / DevPost

May 31, 2025 - September 22, 2025

Fact Dynamics: Built a real-time AI-powered fact-checking app to verify spoken and visual claims on Android/iOS/Web via Firebase; authored and published perplexity_dart and perplexity_flutter SDKs on pub.dev for Perplexity AI integration.

Hackathon Project Experience at Chi Planner (Winner - Scarlet Hack 2024)

April 30, 2024 - September 22, 2025

Won the hackathon for developing a real-time trip planner with live event suggestions and local attractions integration.

Software Engineer II at Grootan Technologies

November 30, 2023 - November 30, 2023

Built modular app architecture using Dart/Flutter, Kotlin, and Swift; cross-functional agile team for White-Label SuperApps (Istanbul Banking) with 1M+ downloads. Modularized architecture reduced load time by 40%. Refactored 50k+ LOC using Block, TDD, and SOLID, boosting unit/integration test coverage by 60%. Integrated Stripe payments and biometric authentication workflows to enhance security and UX. Diagnosed ANRs/memory leaks with ProfileR and Sentry. Automated CI/CD via TeamCity, reducing effort by 80%. Mentored 3 junior engineers and influenced architecture decisions.

Software Engineer at Farazon Software Technologies

March 31, 2022 - March 31, 2022

Collaborated with R&D to develop real-time IoT systems for oxygen generators using Flutter and MQTT. Built cross-platform sensor apps (Bluetooth, GPS, NFC) with IoT telemetry; integrated Flutter/Firebase for telemetry. Delivered HIPAA-compliant mobile experience with AI-enabled features; improved accessibility with TalkBack/VoiceOver.

Software Engineer / Co-Founder at Floxi

April 1, 2025 - November 24, 2025

Built and maintained React.js/Next.js + TypeScript portals for patients and staff with role-based access. Developed FastAPI and Go microservices for lab code mapping and data validation; Dockerized & deployed on GCP/Azure with automated CI/CD achieving 99% uptime. Implemented REST/gRPC/GraphQL APIs with auditability and healthcare compliance. Designed RAG-based ecosystem orchestration using agent tools and MCP. Built a receipt-extraction pipeline with OCR/LM models achieving 99% accuracy. Scaled microservices for AI product recommendations, barcode scanning, and carbon tracking.

Software Engineer Intern at Leap of Faith Technologies

May 1, 2025 - November 24, 2025

Integrated MCP and LLM-based ETL for HIPAA-compliant health operations. Developed secure modules blending mobile tech with AI using Flutter; implemented TalkBack accessibility to meet accessibility standards.

Software Engineer at Health Lab Innovations Inc.

October 1, 2025 - November 24, 2025

Remote work focusing on Python (FastAPI), Go, Agentic OCR, GCP, Azure, JavaScript/JSON; health care data handling and LLM integration; MongoDB; Docker.