Tushar Tyagi
Senior Python & IoT Systems Engineer
Building scalable, event-driven platforms at the intersection of IoT, AI, and modern cloud infrastructure.
Engineering at Scale
A decade of production-grade systems across IoT, fintech, and SaaS
Who I Am
I'm a Python engineer with 8.7+ years of production experience building event-driven systems at the intersection of IoT, data engineering, and cloud-native architecture.
Currently designing end-to-end IoT data pipelines for a leading smart building platform — handling real-time NATS stream ingestion, 15-minute InfluxDB aggregation, and REST API delivery across energy, occupancy, HVAC, and DALI emergency systems.
What I Build
- ▹Real-time IoT data pipelines & stream ingestion
- ▹Time-series aggregation engines (InfluxDB)
- ▹Scalable REST APIs & event-driven microservices
- ▹Serverless ETL & data engineering on AWS
- ▹Marketing automation & distributed task systems
- ▹Banking fraud detection & AML platforms
Where I've Worked
6 years at Nagarro across 5 industries, building production systems that scale.
Associate Staff Engineer
Nagarro — Lutron (Smart Building Platform)
- ▹Architected real-time NATS stream ingestion endpoints for IoT sensor data across energy, occupancy, HVAC, and DALI emergency lighting domains, handling continuous device telemetry at scale.
- ▹Designed 15-minute time-series aggregation pipelines (InfluxDB) transforming raw device events into structured, queryable smart building metrics across 4 deployment environments.
- ▹Built REST APIs with alerting and notification capabilities enabling real-time building monitoring and operational visibility for facilities teams.
- ▹Validated pipeline correctness with Behave BDD integration test suites across dev, testbuild2, testbuild3, and alpha environments — catching environment-specific data discrepancies proactively.
- ▹Collaborated with stakeholders to translate building automation business requirements into precise technical specifications and data contracts.
Senior Python Engineer
Nagarro — Automotive IoT Platform
- ▹Built scalable microservices enabling seamless IoT data exchange and communication between manufacturing systems and connected stakeholders across the automotive supply chain.
- ▹Led onboarding of new machines across multiple production shops, designing integration workflows to ensure zero-downtime adoption of the connected platform.
- ▹Optimized monitoring and telemetry workflows reducing manual process overhead in automotive manufacturing operations, improving operational efficiency.
Python Engineer
Nagarro — Non-Profit (Internet Access Initiative)
- ▹Architected RESTful APIs and map vector tile services for a global initiative connecting schools to internet infrastructure, impacting thousands of students across underserved regions.
- ▹Played a pivotal role in system design encompassing API architecture, data flow, and geospatial data capabilities (PostgreSQL + vector tiles).
Python Engineer
Nagarro — Banking (SOAR & AML Platforms)
- ▹Transformed poll-based Salesforce–Swimlane integration to event-driven architecture, significantly reducing fraud case investigation latency for the FCI team.
- ▹Integrated Mastercard's ML trace-and-alert APIs for real-time money-mule behaviour detection, directly preventing financial fraud at scale.
- ▹Designed and developed AML data pipelines using Apache Airflow and Databricks for ingesting customer, account, and watchlist datasets into the name screening and risk management platform.
Python Engineer
Nagarro — Hospitality Product Suite
- ▹Delivered a large-scale drip marketing automation system using Celery + Redis + AWS SES, orchestrating millions of sequential campaign events based on real-time guest behaviour.
- ▹Built an access control management system with role-based dashboard navigation, privilege management, and notification delivery across a multi-tenant hospitality SaaS platform.
- ▹Developed the in-room dining platform enabling hoteliers to configure restaurant menus and guests to place orders through a concierge mobile app.
Python Developer
Nagarro — Hospitality Product Suite
- ▹Designed ETL pipelines to extract, transform, and enrich guest reservation data from 10+ PMS (Property Management Systems), powering analytical segmentation via MongoDB Aggregation.
- ▹Implemented serverless hotel management integrations (AWS Lambda + API Gateway) normalising data from vendors including Impala, Cloudbeds, INFOR, WINHMS, IDS, and VHP.
- ▹Built a customisable guest segmentation and marketing campaign platform delivering targeted communications across email, WhatsApp, and SMS channels via AWS SES and SNS.
Things I've Built
From IoT pipelines to fintech automation — production systems across 5 industries.
IoT On-Prem Smart Building Platform
End-to-end on-premises IoT data platform ingesting real-time sensor telemetry from energy, occupancy, HVAC, and DALI emergency lighting systems. Features automated 15-min aggregation pipelines, REST APIs, alerting, and multi-environment deployment.
Automotive IoT Connected Platform
Smart platform integrating IoT devices, sensors, and machines across a leading automotive manufacturer's production shops. Designed scalable microservices for seamless data exchange and machine onboarding workflows.
Fraud Sales Ratio (FSR) Automation
Serverless ETL pipeline evaluating fraud-to-sales ratios based on business rules, triggering automated actions and generating FSR/merchant reports — fully deployed on AWS Lambda.
SOAR Security Platform (Banking)
Security orchestration and case manager system for a financial institution. Replaced poll-based integrations with event-driven Salesforce–Swimlane workflows and integrated Mastercard ML fraud-detection APIs.
Technical Arsenal
A full-stack view of the tools and technologies I work with professionally.
Full Stack Overview
Languages
Backend & APIs
Frontend
Databases
Cloud (AWS)
Cloud (Other)
DevOps & Infra
Data Engineering
Monitoring
Testing
AI Tools
Tools
AI-Augmented Engineering
Actively applying AI tools and architectures to accelerate engineering output and build smarter systems.
AI-Augmented Engineering
Actively uses Claude Code, GitHub Copilot, and ChatGPT as core engineering tools — dramatically accelerating development velocity, code review, and system debugging.
LLM Application Development
Building and integrating AI-powered features into backend systems. Familiar with prompt engineering patterns, RAG architectures, and LLM API integration workflows.
AI in Data Pipelines
Applying AI-assisted analysis to time-series IoT data, anomaly detection, and intelligent aggregation strategies in production data engineering contexts.
Agentic Workflow Automation
Experience designing agent-based automation pipelines. Understanding of tool-use patterns, multi-step reasoning workflows, and agent orchestration frameworks.
AI Tools & Concepts I Work With
Let's Work Together
Open to senior engineering, AI, IoT, and platform architecture opportunities.
Currently: Open to impactful senior engineering, IoT, data platform, or AI-augmented backend roles globally.