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Available for new opportunities

Software Engineer · Mumbai, India

Hi, I'm Oswin Alex

Software Engineer at mple.ai building AI-powered sales training and agentic learning platforms — working across NestJS APIs, MongoDB aggregation pipelines, real-time WebSockets, and React/Next.js frontends, with a focus on performance, observability, and shipping features end to end.

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Resume
Career

Work Experience

My professional journey and industry experience.

  1. Software Engineer

    MIDGENIE AI LABS PRIVATE LIMITED — mple.ai

    Sept. 2025 – PresentMumbai, India
    • Building mple.ai, an AI-powered sales training and agentic learning platform delivering realistic customer service and sales roleplay simulations.
    • Built robust error tracking with contextual error codes, improving observability and cutting time-to-resolution for production issues.
    • Optimized backend APIs and MongoDB aggregation pipelines in Node.js/NestJS, improving query performance and reducing response latency across core services.
    • Shipped dashboard analytics with MongoDB aggregations and charts, surfacing user engagement, roleplay performance, and system health.
    • Implemented persona customization, enabling dynamic control over AI avatar behavior, tone, and background across training scenarios.
    • Improved reliability and synchronization of live AI avatar interactions over WebSockets.
    • Delivered product features end to end — from requirements to deployment — across React.js frontends and backend services.
Portfolio

Featured Projects

Some of my recent work, ranging from AI platforms to full-stack systems.

Live

AI-Based Edema Score Assessment System

Next.jsNestJSMongoDBTailwind CSS
  • Web platform for edema severity assessment with automated scoring.
  • AI-powered doctor avatar for real-time symptom guidance.
  • AI-based report generation analyzing medical responses.

OutReach — AI-Powered Signal-Based Outreach Platform

Next.jsNestJSMongoDBRedisTwilioGoogle GeminiAWS SES
  • Full-stack outreach workspace managing contacts, personalized email campaigns, and AI voice calling campaigns.
  • NestJS backend with modules for auth, contacts, templates, email campaigns, calling bots, signals, and a campaign scheduler.
  • Bulk email sender for high-volume, templated, personalized dispatch with delivery tracking and provider failover over AWS SES.

Centralized De-Addiction Centers System

React.jsNode.jsExpress.jsMongoDBTypeScriptLeaflet.js
  • Streamlined operations for rehab centers with RBAC model.
  • Interactive map integration using Leaflet.js.
  • Secured sensitive data using Blowfish encryption.
Community

Open Source

Contributions to the open source ecosystem.

Frappe Framework — OAuth2 Refresh Token Fix

Fixed a critical issue where OAuth2 refresh token requests returned 403 Forbidden. Implemented RFC 6749 compliant validation methods.

View Pull Request
Capabilities

Skills & Tools

The technologies I reach for across the stack.

Languages

  • TypeScript
  • JavaScript
  • Python

Backend

  • Node.js
  • NestJS
  • Express.js
  • WebSockets

Frontend

  • Next.js
  • React.js
  • React Native
  • Tailwind CSS
  • WebView

Databases

  • MongoDB
  • Redis

Cloud & Infra

  • AWS S3
  • AWS SES
  • AWS CloudFront
  • Google Cloud Run
  • Google Cloud VM
  • Google Cloud Scheduler
Background

Education & Achievements

Academic foundations, certifications, and recognition along the way.

Education

Don Bosco Institute of Technology

Bachelor of Engineering in Information Technology

Dec. 2021 – May 2025CGPA 7.25Mumbai

Xavier’s Technical Institute

Diploma in Electronics and Telecommunication Engineering

Sep. 2019 – Sep. 202274.03%Mumbai

Certifications

AWS Academy Cloud Foundations

Amazon Web Services · Apr. 2025

Core AWS services (EC2, S3, RDS, Lambda) and cloud security best practices.

Verify credential

Achievements

Winner – Innovex 2025

DBIT Annual Project ExhibitionMar. 2025

Project: LawQuest – The School Edition. 1st place for a gamified legal awareness platform.

Finalist – Yukti Startup Innovation Challenge 2024

Startup ChallengeMar. 2024

Innovation: Centralized System for De-addiction Centers.

Winner – Smart India Hackathon 2023

SIH1366Dec. 2023

Udaipur. Led development of a full-stack centralized system for de-addiction centers.

Contact

Get In Touch

Let's connect and discuss potential collaborations.

I'm always open to discussing new projects, creative ideas or opportunities to be part of your visions.

Send a Message

I'll get back to you as soon as possible.