MANVIR
HEER

DevOps / Infrastructure
Engineer

Shipping measurable performance wins

Healthcare tech (HIPAA) • AI/RAG systems • Performance engineering • Multi-cloud
~/career$ls -la impact/

Career Impact

Quantified wins from production systems at Tenzr Health, A2P Energy, and SaaSberry

tenzr-health.md

PgBouncer Database Optimization

Tenzr Health2025

Implemented connection pooling with PgBouncer for HIPAA-compliant healthcare platform. Built benchmarking tool and documentation for reproducibility.

PostgreSQLPgBouncerDocker
Connection Time
Before
329ms
After
2ms
+458% concurrent handling
tenzr-health.md

AI Exercise Plan Generator (RAG)

Tenzr Health2025

Built full-stack AI application with hybrid search (70% semantic + 30% keyword) for HIPAA-compliant healthcare platform.

PythonRAGLlamaIndexQdrant
Exercises → Intelligent Plans
Before
1,578
After
1
First production RAG system
a2p-energy.md

Marketplace Performance Optimization

A2P Energy2024

Database query optimization and eager loading for energy marketplace platform serving industrial facilities.

NestJSPostgreSQLQuery Optimization
Page Load Time
Before
20s
After
2s
90% faster
~/projects$ls -la personal/

Personal Projects

Side projects exploring AI, systems programming, and data analysis

~/projects/pickmyelective

PickMyElective

AI-powered course recommendations

RAG-powered system helping university students discover electives through natural language search. 3-tier microservices with semantic search over 1,200+ courses.

ReactSpring BootFastAPIChromaDBGemini
[ GitHub ] →
~/projects/whisper-typer

Whisper Typer

Voice-to-text with AMD GPU acceleration

Real-time voice transcription system using whisper.cpp with Vulkan backend. Solves AMD GPU compatibility for seamless voice typing on Linux.

PythonWhisper.cppVulkan
[ GitHub ] →
~/projects/nx-logstats

nx-logstats

NGINX log analysis CLI

Command-line tool for analyzing metrics from NGINX access logs. Performance insights and traffic patterns.

PythonCLIData Analysis
[ GitHub ] →
~/projects/vancouver-parking-analysis

Vancouver Parking Analysis

Geospatial data analysis

In-depth analysis of Vancouver parking ticket data using Python and geospatial techniques. Data visualization and pattern discovery.

PythonGeospatialData Viz
[ GitHub ] →
~$cat requirements.txt

Tech Stack

Tools and technologies I use to build and ship

Infrastructure & Cloud
AWSAzureDockerDNS ManagementHIPAA Compliance
Databases & Performance
PostgreSQLPgBouncerQuery OptimizationPerformance Engineering
AI & Machine Learning
RAG SystemsLlamaIndexQdrantHybrid Search
Languages & Frameworks
PythonTypeScriptNestJSNext.jsReact
~$./connect.sh

Let's Connect

I'm always interested in discussing infrastructure challenges, performance optimization, or potential collaborations.