๐ŸŸข  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 โ€” primarily with Java, Go, Rust, and AWS.

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 โ€” 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 โ€” Present
Technical Architect
HTC Global Services ยท 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 โ€” Aug 2021
Senior Software Engineer
HTC Global Services ยท 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 โ€” Mar 2018
Software Engineer
HTC Global Services ยท Chennai, IN
  • Built Real-time Communication System and E-Commerce Platform (web + mobile)
  • 1M+ downloads across Android and iOS
  • Integrated UPI, PayPal, Square โ€” increased online orders by 30%
Feb 2015 โ€” Mar 2016
Programmer Analyst
HTC Global Services ยท 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.

๐Ÿ“ž
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
๐Ÿ–ฅ
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
๐Ÿ“ฑ
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
๐Ÿฆ€
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
โš™๏ธ
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
๐Ÿฅ
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.

๐Ÿ“บ
Tamil TV
450k+ downloads ยท 13k daily users
400+ Tamil channels worldwide. Jetpack Compose + ExoPlayer (Media3). HLS, RTMP, Dash.
๐Ÿ“ป
Tamil FM Radio
50k+ downloads ยท 4k daily users
100+ Tamil radio stations. Jetpack Compose + ExoPlayer, offline SQLite caching.
๐ŸŒ
FM & AM Radio
5k+ downloads ยท 1k daily users
50,000+ radio stations globally. Go backend, Jetpack Compose frontend.
๐Ÿ”
JoyOTP
5k+ downloads ยท 1k daily users
TOTP & HOTP authenticator. Works fully offline. Compatible with Google Authenticator.
๐Ÿ“ท
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.

โœ‰๏ธ
Email
poosan9@gmail.com
๐Ÿ’ผ
LinkedIn
poovarasan-vasudevan
๐Ÿ™
GitHub
poovarasanvasudevan
๐Ÿ“ฑ
Phone
+91 97893 56631