🟢  Available for opportunities

Hi, I'm
Poovarasan
Vasudevan

Technical Architect with 10+ years of experience designing scalable distributed systems, telephony platforms, mobile apps, and developer tools — primarily with Java, Go, Rust, and AWS.

Get in touch Download CV
10+
Years experience
$5M+
Cost savings delivered
500k+
App downloads
30+
Team size led
Poovarasan Vasudevan
Expertise

Skills & Technologies

A broad stack built over a decade — from embedded Rust to cloud-native Go, from Asterisk telephony to Flutter mobile.

Languages
JavaGoRustPython JavaScriptDartKotlinRubyBashSQL
Frameworks
Spring BootGo IrisReact FlutterElectronNode.js GraphQLJetpack Compose
Infrastructure
AWSDockerKubernetes CDKKafkaRedis PrometheusGrafana
Databases
PostgreSQLMySQLOracle SQL ServerSQLiteMemCache
Telephony / Real-time
AsteriskSIP/WebRTCJsSIP AMI/ARIWebSocketMQTTPubSub
Tools & OS
Linux (RHEL/Debian)JetBrainsVim CI/CDJenkinsGitHub ActionsFigma
Career

Professional Experience

10 years at HTC Global Services, growing from Programmer Analyst to Technical Architect leading teams of 30+.

Aug 2021 — Present
Technical Architect
HTC Global Services · Chennai, IN
  • Lead a team of 20+ developers and 10+ testers across multiple product lines
  • Spearheaded a Smart Monitoring Application using Asterisk Telephony for real-time call center dashboards
  • Architected a PUB-SUB workflow system with Kafka for telephony + real-time updates
  • Built SIP/WebRTC phone solution for 300+ service desk analysts
  • Designed an API gateway with centralized cache handling 10,000 req/s for an ITSM platform
Mar 2018 — Aug 2021
Senior Software Engineer
HTC Global Services · Chennai, IN
  • Rebuilt Quality Control product with 20 stakeholders, saving $1M annually
  • Led lab workflow tool that increased efficiency by 40%
  • Rebuilt entire ITSM system replacing licensed products, saving $4M annually
Feb 2016 — Mar 2018
Software Engineer
HTC Global Services · Chennai, IN
  • Built Real-time Communication System and E-Commerce Platform (web + mobile)
  • 1M+ downloads across Android and iOS
  • Integrated UPI, PayPal, Square — increased online orders by 30%
Feb 2015 — Mar 2016
Programmer Analyst
HTC Global Services · Chennai, IN
  • Shipped search experience improvements to 2M+ users
  • Built React/HTML/CSS presentation layer and Java backend database services
  • Participated in Scrum ceremonies and analysis/design phases
Work

Key Projects

Selected professional projects I've architected and led at HTC Global Services.

📞
Service Focus Telephony
Migrated from Avaya to Asterisk OSS. Custom IVR, dial plans, live call monitoring, agent assignment, real-time dashboard, and voice-to-text with HuggingFace Whisper.
Asterisk AMI/ARIGo IrisReact GraphQLKubernetesPrometheus
🖥
Service Focus DeskPhone
Electron + React desktop SIP phone for 300+ service desk agents. WebRTC, screen capture, SSO with Microsoft ADFS, SQLite contact store, MQTT push notifications.
ElectronReactJsSIP WebRTCTailwindMQTT
📱
Service Focus Mobile
Multi-tenant Flutter app for incident management, service requests and knowledge base. SSO via SAML2/OAuth2, native code bridges for maps & sensors, FCM push.
FlutterDartGetX BLoCFCMAPNS
🦀
Service Focus Embedder
Rust-based lightweight hardware monitor deployed in servers, desktops and containers. Uses MQTT for TCP-unavailable devices, screen & audio capture. Deployed in South American govt orgs.
RustMQTTSerial Port
⚙️
Service Focus I & II
Enterprise ITSM platform. Migrated mainframes to Go + React. GraphQL subscriptions with Dataloader, Redis cache, Apache Spark/Avro data cache, Spring Batch jobs, AWS ECS microservices.
GoSpring BatchGraphQL RedisApache SparkAWS EC2
🏥
St. Tammany Health Mobile
Healthcare app with appointment booking, ER wait times, Find a Doctor and real-time location wayfinding. Swift/Kotlin native bridges via Flutter method channels.
FlutterDartSwift KotlinFirebase
Side Projects

Personal Apps

Apps I've built and published independently on the Play Store, with 500k+ total downloads.

📺
Tamil TV
450k+ downloads · 13k daily users
400+ Tamil channels worldwide. Jetpack Compose + ExoPlayer (Media3). HLS, RTMP, Dash.
📻
Tamil FM Radio
50k+ downloads · 4k daily users
100+ Tamil radio stations. Jetpack Compose + ExoPlayer, offline SQLite caching.
🌍
FM & AM Radio
5k+ downloads · 1k daily users
50,000+ radio stations globally. Go backend, Jetpack Compose frontend.
🔐
JoyOTP
5k+ downloads · 1k daily users
TOTP & HOTP authenticator. Works fully offline. Compatible with Google Authenticator.
📷
QR Scanner
Play Store
Ad-free QR scanner & creator. Offline-first. Jetpack Compose + ML Kit Vision.
Let's connect

Get in touch

Open to interesting problems, architecture discussions, and the right opportunities.

✉️
Email
poosan9@gmail.com
💼
LinkedIn
poovarasan-vasudevan
🐙
GitHub
poovarasanvasudevan
📱
Phone
+91 97893 56631