Full-Stack Development
25+ years building scalable web and mobile applications using React, React Native, Node.js, Python, and modern cloud technologies. Expert in delivering end-to-end solutions from architecture to deployment.
Hello I'm
Arun Vishnu
a Software EngineerSolutions ArchitectTechnical Leader
Hello I'm
Arun Vishnu
aSoftware EngineerSolutions ArchitectTechnical Leader
0+
Years Experience
25+ years delivering scalable, cloud-native systems and leading distributed teams
0+
Projects Delivered
75+ successful projects across Life Sciences, PropTech, and Enterprise sectors
0+
Team Members Led
50+ developers mentored and led across globally distributed teams
About Me
Building scalable systems with
25+ years of experience
I'm a hands-on Principal Software Engineer and Solutions Architect with 25+ years of experience delivering scalable, cloud-native systems and leading globally distributed teams across Life Sciences and PropTech sectors. Most recently, I led engineering at AstraZeneca's Evinova, building digital health platforms that support clinical trials across 40+ countries, improving outcomes for millions of patients worldwide. My technical foundation includes deep expertise in cloud architecture - Amazon Web Services (AWS), React, React Native, Node.js, Python and C#, complemented by extensive experience in mobile solutions and enterprise architecture. I've successfully led the modernization of legacy systems, implemented microservices architectures, and established robust Continuous Integration/Continuous Delivery (CI/CD) pipelines that significantly improved development velocity.
My Specialization
Cloud Architecture (AWS)
Extensive experience designing and implementing cloud-native systems, microservices architectures, and serverless solutions on AWS. Proven track record of modernizing legacy systems and establishing robust CI/CD pipelines.
Technical Leadership
Leading globally distributed teams across Life Sciences and PropTech sectors. Mentoring developers, driving innovation, and fostering team performance. Expert in Agile methodologies and project delivery.
IoT & Emerging Tech
Pioneering IoT/IoMT solutions for digital health platforms supporting clinical trials across 40+ countries. Experience with blockchain PoCs, wearable technology integrations, and smart building solutions.
Enterprise Architecture
TOGAF certified architect with expertise in standardizing collaboration technologies, AI-driven solutions, and enterprise system integration. Successfully delivered architecture assessments and reviews for innovative technology initiatives.
Mobile Solutions
Expert in React Native, Swift, and cross-platform mobile development. Delivered enterprise mobility programs including Single Sign-On, MDM solutions, and resident management applications for PropTech sector.
Frontend Development
React
TypeScript
React Native
JavaScript
Backend Development
Node.js
Python
C#
PHP
Cloud & Architecture
AWS
GraphQL
Serverless
Enterprise Architecture
Specialized
IoT/IoMT
Mobile (Swift/React Native)
Technical Leadership
Agile Methodologies
Work Experience
Professional Experience
Senior Lead Software Engineering
AstraZeneca (Evinova) - Wilmington, DE, USAMarch 2023 - January 2025
- Led the software team, driving project delivery and fostering innovation. - Mentored developers, enhancing team performance and technical expertise. - Solved complex technical issues, ensuring the success of key projects. - Developed critical modules, contributing to overarching project goals.
Senior Solutions Architect
AstraZeneca - Wilmington, DE, USAApril 2020 - March 2023
- Led architecture assessments and reviews for innovative technology initiatives. - Supported Tech Innovation Labs with IoT, blockchain, XR, and wearable technology PoCs. - Partnered with enterprise architecture teams to streamline processes for PoCs. - Delivered key projects: - Contact Tracing Solution: Drove end-to-end evaluation, compliance approval, and enterprise integration for Estimote. - OKR Solution: Spearheaded tool selection, compliance, and integration with Workday for WorkBoard. - Blockchain: Developed PoC leveraging AWS Quantum Ledger DB for R&D applications.
Director, Software Development
Ollie LLC - New York, NY (Remote)October 2017 - April 2020
- Oversaw software development across multiple teams, managing offshore operations in Paris and India. - Designed and developed the AWS-based infrastructure, middleware, and key applications. - Delivered IoT integrations, including SALTO smart locks for resident applications. - Key projects: - Ollie Living App: All in one app for residents. Developed in React Native, middleware design using AWS Cognito, API Gateway, and Serverless Lambda. - Bedvetter: Profile matching tool for the renters - Ollie Social App: Social collaboration platform for the residents developed using React Native
Solutions Architect
AstraZeneca - Wilmington, DE, USAAugust 2015 - September 2017
- Standardized collaboration technologies, including AI-driven BOTS, Workplace by Facebook, and Microsoft Teams.
Solutions Architect
Cognizant Technology Solutions - Wilmington, DE, USAJune 2012 - July 2015
- Program Architect for AZ Harmony Mobility Program, developing Single Sign-On and AirWatch MDM solutions. - Developed DEP app for seamless iPad enrollment, streamlining device management.
Architect - Technology Consulting Group
Cognizant Technology Solutions - Chennai, IndiaJuly 2006 - May 2012
- Transitioned from Associate to Architect, delivering innovative mobility and web solutions for global pharma clients.
Manager, Development
Brij Datalink Pvt Ltd (Tychons LLC) - Chennai, IndiaMarch 2000 - July 2006
- Started as a Programmer trainee and grew to lead the development team. - Led development of web and thin-client applications, contributing to various B2C platforms and enterprise tools.
Education & Certifications
Academic Background & Certifications
Education
Master in Software Systems (MS)
Birla Institute of Technology and Science
2002 - 2004
Master in Computer Science (M.Sc)
Madurai Kamaraj University
1998 - 2000
Bachelor in Computer Science (B.Sc)
Madurai Kamaraj University
1995 - 1998
PORTFOLIO
Featured Projects
Engineering
Optimizing CNC Machine Operations: A Precision Engineering Triumph
2002
A multinational industrial manufacturer in Chennai faced a unique challenge: converting AutoCAD designs into instruction codes compatible with a newly imported CNC machine from Germany. Tasked with th...
Visual BasicMS AccessAutocad
ERP
Enhancing ERP Efficiency with Predictive Order Management
2003
I led the operations module of an ERP system for a tile manufacturing company, focusing on predicting delivery dates based on complex variables. This involved analyzing raw material availability (usin...
ASPMS SQL ServerJavaScript
Travel Tech
Pioneering Online Air Reservation Systems
2005
I developed the air reservation module for a travel website during the early days of online booking. Using C++, I built dynamic libraries to communicate with Sabre travel systems via UDP, implementing...
CFMLDynamic Link Library (C++)SabreUDP
IoT
Home Automation - Building a Comprehensive Ecosystem
2016 - Present
Designed and implemented a full home automation system on the Home Assistant platform, integrating Zigbee, Z-Wave, Matter, and Wi-Fi IoT solutions. Automated all lights, switches, and security using s...
PythonJavascriptHome AssistantHasuraWindmill
CONTACT
Let's Connect!
Principal Software Engineer & Solutions Architect
Hands-On Principal Software Engineer & Solutions Architect | React, React Native, Typescript, Node.js, Python, Amazon Web Services | Life Sciences & PropTech