Hello, I'm Aatish!

A Software Engineer with expertise in Full Stack development and Data Engineering.

Stack

PythonPython
FastAPIFastAPI
FlutterFlutter
DartDart
PostgreSQLPostgresSQL
RedisRedis
NGINXNginx
DockerDocker
KubernetesKubernetes
PyTorchPyTorch
RustRust
ReactReact
RemixRemix
ReduxRedux
Auth0Auth0
Redux-SagaRedux Saga
TypeScriptTypeScript
KerasKeras
GoGo
GrafanaGrafana
pandasPandas
SnowflakeSnowflake
SeleniumSelenium
QtQt
PythonTkinter

Experience

Stealth
Feb 2026 - Present
  • Rust
  • React
  • Python
  • React Native
  • PostgreSQL
  • Docker
  • ArgoCD
  • Led end-to-end product engineering, defining system architecture, backend services, data models, design guidelines, and development standards across the platform.
  • Developed cross-platform web, PWA, and React Native applications for both iOS and Android.
  • Trained and deployed a user intent classifier using ONNX Runtime for real-time browser inference on session activity and interaction patterns.
  • Led a team of four engineers, coordinating development, reviewing code, and guiding technical decisions.
  • Architected and implemented AI-powered voice interview systems with real-time audio streaming, job description and resume-based questioning, and adaptive follow-ups.
  • Designed and built internal services for customer nurture, usage metering, and other administrative operations.
echowin
Sept 2024 - Jan 2026
  • React (Remix)
  • Express
  • PostgreSQL
  • Rust
  • Docker
  • GCP
  • Kubernetes
  • Engineered an end-to-end WebSocket voice pipeline for real-time AI receptionist interactions and built an automated outbound calling system that contributed to the acquisition of one of the company's largest clients.
  • Fine-tuned Gemma 3 through LoRA-based adaptation on call transcripts and agent context to identify knowledge gaps and generate evidence-backed suggestions for improving deployed agents.
  • Experimented with ASR pipelines, noise suppression, and voice activity detection to improve transcription accuracy and turn detection in noisy calls.
  • Developed a multi-tenant white-label platform with customizable branding, enabling agency resellers to deliver tailored client experiences and contributing to a 30% increase in revenue.
  • Optimized large-scale database queries and data-access patterns, improving platform load times by over 100% and reducing database load by more than 80%.
  • Built dashboards combining PostHog, Meta event, and application data to identify high-value clients and conversion opportunities, helping increase conversion rates from 30% to 60%.
  • Contributed to an air-gapped AI receptionist platform for a Fortune 500 client, supporting secure on-premises deployment, reliability, and production readiness.
LIS Nepal
Apr 2024 - Jul 2024
  • Python
  • FastAPI
  • Snowflake
  • SQL
  • NetSuite
  • Power BI
  • React
  • Docker
  • Azure
  • Deployed FastAPI microservices for API key provisioning, rotation, and usage metering for use in a local team.
  • Built ETL pipelines integrating NetSuite, Snowflake, and Power BI, replacing manual data preparation and reducing reporting delivery timelines by multiple weeks.
  • Engineered Python-based internal tooling to automate recurring data operations, eliminating up to three hours of manual work per day and improving processing performance by 20%.
  • Developed a configurable ingestion framework to parse, validate, and normalize inconsistent Excel submissions from 40 departments before loading them into Snowflake, accelerating report delivery by over two weeks.

Projects

League of Legends Worlds Simulator
Sep 2023
  • React
  • TypeScript
  • Built and launched a Worlds bracket simulator with 25,000+ unique users and significant adoption within the esports community.
  • Featured and shared by top League of Legends community personalities, contributing to widespread organic reach and user growth.
  • Designed a fast, intuitive simulation experience used by analysts, creators, and fans to explore tournament outcomes.
  • Built a performant frontend within Vercel's free-tier limits, optimizing load times and bandwidth usage.
AaryaPay
Apr 2024 – July 2024
  • Go
  • Flutter
  • Dart
  • Docker
  • Played a pivotal role in the development and refinement of an Offline Peer-to-Peer Trust-Less Payment Protocol, elevating its performance and reliability.
  • Made substantial contributions to the architecture and execution of the protocol's Backend, overseeing key elements including authorization tokens, 2FA tokens, and API endpoints.
  • Led the design and implementation of the Frontend for the Proof-of-Concept application, prioritizing resilience and effectiveness in its design.
Norma
Dec 2022
  • Python
  • React
  • Rust
  • Docker
  • Developed a Reinforcement Learning Model for an asymmetric heterogeneous multi-agent game - Baghchal, achieving positive win rates over human play.
  • Created and implemented a user-friendly web application, providing options for offline, online multiplayer, and AI model-based gameplay experiences.
  • Collaborated on the development of an assistive min-max agent to enhance the training process for reinforcement agents, contributing to improved gameplay outcomes.
Sikshyalaya
June 2022
  • React
  • Python
  • Flutter
  • Dart
  • Docker
  • Led the development for an online learning platform intended to complement traditional classroom settings, accessible via web and mobile applications.
  • Designed and developed the UI for a web platform, led the team to integrate it with the Python backend and services like SMTP and FileServer.
© 2024 Aatish Shrestha