• Hi, I'm
    Hari Sankar Nayak

    Software Engineer  |  Full Stack Developer  |  Cloud & Data Systems

    View Resume  

  • Building Scalable
    Web Solutions

    MERN  |  MEAN  |  Python  |  Cloud Platforms

    View Projects

About Me

Who Am I?

I'm Hari Sankar Nayak, a Full Stack Software Engineer based in Bhubaneswar, India, with 7+ years of experience building scalable, data-driven web applications. I specialise in the MERN, MEAN, and Python-based stacks, with hands-on expertise in Angular, React, Next.js, Node.js, Django, and Flask.

I have worked with global enterprise clients including Circana, NielsenIQ, PepsiCo, Walmart, and Nestlé, delivering cloud-based platforms, real-time systems, and high-performance APIs. I am passionate about clean architecture, developer experience, and shipping products that scale.

Full Stack Dev

Cloud Systems

Data Systems

Real-time & IoT

Looking for a reliable engineer to join your team
or build your next product?

Hire Me
What I Do

My Expertise

Full Stack Development

End-to-end web application development using Angular, React, Next.js, Node.js, and Python frameworks.

Cloud & Scalable Systems

Designing and deploying cloud-native applications on AWS and GCP with a focus on scalability and reliability.

API & Microservices

Architecting RESTful and GraphQL APIs following OpenAPI standards, built for performance and maintainability.

Real-time & IoT Applications

Building real-time systems using WebSockets, RabbitMQ, and IoT integrations for live data monitoring.

Data-Driven Platforms

Developing enterprise-grade data platforms and dashboards for clients in FMCG, retail, and healthcare sectors.

ERP / CRM Systems

Designing and delivering scalable enterprise systems for project management, asset tracking, and customer relations.

Projects Delivered
Clients Served
Years of Experience
Technologies Used
My Specialty

Technical Skills

Proficient across the full development lifecycle — from frontend interfaces to backend services, databases, and cloud deployments. I consistently deliver clean, maintainable, and production-ready code.

Angular / React / Next.js

90%

HTML5 / CSS3 / TypeScript

92%

Node.js / Express

88%

Python (Django / Flask)

82%

PostgreSQL / MongoDB / Redis

85%

Data Science / Machine Learning

75%

AWS / GCP / Docker / CI/CD

78%
Education

Academic Background

Completed B.Tech in Computer Science & Engineering with a focus on software development, data structures, and algorithms.

This foundation enabled hands-on work in full stack development from early in the career, with strong grounding in system design and computer science principles.

Completed higher secondary education with a focus on Physics, Chemistry, and Mathematics, building a strong analytical and problem-solving foundation that continues to inform software engineering work.

Professional Snapshot

Career Highlights

Built and enhanced enterprise platforms such as Liquid Data Go, NerveCenter, Activate, and Brainwave for data-intensive client ecosystems.

Focused on scalable architecture, performance optimisation, modern frontend experiences, and API-first backend systems.

Contributed to solutions supporting Fortune 500 clients through Circana and NielsenIQ ecosystems, including PepsiCo, Walmart, and Nestlé.

  • Data platforms and analytics workflows for global retail leaders
  • Delivery across retail, healthcare, and agri-tech domains

Designed RESTful and GraphQL APIs and microservices following OpenAPI standards. Supported delivery pipelines across modern JavaScript and Python ecosystems with a focus on reliability and maintainability.

Worked with AWS, GCP, Redis, RabbitMQ, WebSockets, and event-driven architectures to power responsive, distributed, and real-time application workflows.

I prioritise clean architecture, strong team collaboration, and measurable product impact. Every system I build is designed with performance, maintainability, and reliable delivery in mind.

Experience

Work Experience

Software Engineer — Blackstraw.ai 2022 – Present

Working on enterprise data platforms including Liquid Data Go, NerveCenter, Activate, and Brainwave. Building scalable applications with Angular, Next.js, Node.js, and Python (Django/Flask). Designing RESTful and GraphQL APIs following OpenAPI standards. Delivering solutions for global clients including PepsiCo, Walmart, and Nestlé via Circana and NielsenIQ partnerships. Focused on performance optimisation and data-intensive application architecture.

Software Engineer — NetTantra Technologies 2020 – 2022

Developed full-stack applications using MERN and MEAN stacks. Delivered ERP, CRM, and EMR systems along with cloud-based platforms. Worked with AWS, GCP, WebSockets, and CI/CD pipelines to ensure reliable deployments and real-time capabilities.

Junior Software Engineer — Knowvirtue Systems 2018 – 2020

Developed hybrid mobile and web applications and backend services. Gained foundational expertise in Node.js, PHP, Python, and MongoDB while contributing to multiple client-facing products.

My Work

Featured Projects

Smart Vertical Agri-Tech Platform

IoT · Python · GCP · Redis · RabbitMQ

IoT + Real-time

Healthcare Telemedicine Platform

Node.js · React · MongoDB · WebRTC · Twilio

Web App

Cloud Object Manager

React Native · Node.js · Electron · AWS S3 · GCP · Azure

Cloud Product

Enterprise ERP / CRM Platform

MERN Stack · PostgreSQL · REST API · CI/CD

Enterprise

Liquid Data Go — Circana / NielsenIQ

Angular · Node.js · Python · OpenAPI · Enterprise Data

Data Platform

NerveCenter — Analytics Dashboard

Next.js · Django · Redis · GraphQL · GCP

Dashboard

Highlights

Achievements & Recognition

Blackstraw.ai | Enterprise

Global Client Delivery

Successfully delivered data-driven platforms for Fortune 500 clients including PepsiCo, Walmart, and Nestlé through Circana and NielsenIQ partnerships.

NetTantra | Full Stack

20+ Projects Shipped

Built and deployed over 20 production applications across healthcare, agriculture, enterprise, and retail domains within 7 years of professional experience.

Open Source | Web

Personal Portfolio Website

Maintains a personal developer website at smokycode.com, sharing technical insights and projects with the developer community.

Get in Touch

Contact