AVAILABLE FOR SENIOR & LEAD ENGAGEMENTS
Umair Dar

Senior Software Engineer

Remote

7+ years building production systems

Umair Dar

Senior Software Engineer & AI Enablement Specialist

Building scalable systems and enabling AI across enterprises. 7+ years architecting full-stack solutions, optimizing cloud infrastructure, and leading technical transformation.

+92-332-4643246

7+ years building production systems

By The Numbers

7+

Years of Experience

Full-stack development across Python, Node.js, Ruby on Rails, and Go. System architecture and cloud infrastructure design.

22+

Projects Delivered

Enterprise applications, SaaS platforms, and scalable solutions. From fintech to e-commerce to AI-powered systems.

7

Organizations Enabled with AI

Led AI/ML integration initiatives, digital transformation projects, and intelligent system implementations across industries.

$35M+

Revenue Generated

Through products built, platforms scaled, and systems optimized. Direct impact on business growth and market expansion.

99.9%

System Uptime

AWS infrastructure expertise including EC2, Lambda, RDS, and ECS. Docker/Kubernetes containerization and DevOps practices.

50%

Bug Reduction

Testing automation, CI/CD pipelines, and quality assurance. Implemented comprehensive testing strategies and monitoring.

Core Principles

How I approach software engineering and problem-solving:

Build for Scale

Design systems that grow with business needs, not constrained by technical debt.

User First

Every line of code serves the user. Performance and UX are non-negotiable.

Data Driven

Let metrics guide decisions. Monitor, measure, optimize. Continuously improve.

Enable Others

Mentor teams. Document code. Share knowledge. Success is multiplied through others.

About

With 7+ years of hands-on experience, I've architected and delivered full-stack web applications that serve millions of users, managed cloud infrastructure handling massive data pipelines, and enabled AI/ML adoption across multiple organizations.

My expertise spans Ruby, Python and Node.js backends, React/Vue frontends, AWS cloud architecture, Docker/Kubernetes containerization, and modern DevOps practices.

Recently, I've been passionate about AI enablement—helping organizations integrate machine learning into their core products to unlock new capabilities and business value.

I believe great engineering comes from understanding both the business problem and the technical constraints, then finding elegant solutions that scale.

Education

BS Information Technology

FCIT, University of the Punjab

Experience

Lead Software Engineer

letsremotify

Remote

2023 - Present

Leading technical initiatives at a digital transformation company partnered with Cisco to deliver enterprise-grade solutions.

Led full-stack development team building scalable applications, mentoring 3+ engineers on AWS architecture and best practices

Architected and deployed microservices using Ruby on Rails, Node.js, and Python, achieving 30% performance improvement

Managed AWS cloud infrastructure (EC2, RDS, Lambda, SageMaker), achieving 99.9% uptime with automated monitoring and scaling

Designed and optimized Docker containerization strategy, reducing deployment time from hours to minutes using GitHub Actions CI/CD

Spearheaded AI/ML integration initiatives, deploying TensorFlow models and enabling AI capabilities across 4 enterprise clients

Senior Software Engineer

Enter One

Remote

2021 - 2023

Specialized in architecting scalable backend systems and leading technical decisions for platform modernization.

Led backend team in designing and implementing Ruby on Rails APIs serving 100k+ monthly active users with zero downtime

Architected AWS infrastructure with Docker/ECS orchestration, improving deployment efficiency and system reliability by 40%

Mentored junior developers on full-stack development practices, code quality, and testing strategies, improving team velocity 25%

Implemented comprehensive CI/CD pipelines using GitHub Actions, automating testing and deployment processes end-to-end

Built AI-powered features using scikit-learn and TensorFlow, integrating predictive models into production systems

Senior Software Engineer

BrainArcs

Remote

2019 - 2021

Developed full-stack applications and led infrastructure modernization initiatives for enterprise clients.

Built scalable APIs using Ruby on Rails and Node.js, managing databases for 5 major enterprise clients

Led Docker containerization initiative, migrating legacy applications to Kubernetes on AWS, enabling auto-scaling

Developed responsive frontends with React.js and TypeScript, improving user experience across 20+ projects

Established security best practices including OAuth 2.0, JWT, and SSL/TLS, ensuring compliance with industry standards

Guided team through AWS adoption, architecting solutions on EC2, RDS, S3, improving cost efficiency by 35%

Products

Live products and systems I've built, deployed, and scaled in production

Revolution Insights

Enterprise CRM platform for managing Cisco Smart Accounts and Licenses at scale.

Live
Ruby on RailsReactPostgreSQLAWS

Integrated with Cisco Systems API for real-time account sync

Optimized database queries for 10,000+ daily active users

Automated license compliance reporting

D-Payments

Fintech platform processing 100k+ transactions monthly with enterprise security.

Live
PythonNode.jsReactMongoDBAWS

PCI-DSS Level 1 compliance certification

Integrated 5+ payment gateways and banks

99.95% uptime SLA maintained

30% reduction in transaction failures through retry logic

Italyabroad

Global e-commerce platform for Italian specialty goods serving 50+ countries.

Live
Ruby on RailsReactPostgreSQLAWSStripe

Multi-currency and multi-language support

Inventory management integrated with suppliers

Mobile-first design achieving 95+ Lighthouse score

Qualime

AI-powered workforce platform connecting blue-collar workers with opportunities.

Live
FastAPIReactFirebaseTensorFlowAWS

ML-based job matching algorithm with 85% acceptance rate

Secure payment processing with Stripe integration

50,000+ registered workers and 1,000+ active employers

Industries

FinTech

2 projects

Payment platforms, compliance, security

PCI-DSSStripeBanking APIs

E-Commerce

2 projects

Product catalogs, inventory, checkout

PaymentsMulti-currencyLogistics

Enterprise

3 projects

SaaS, account management, analytics

APIsScalabilitySecurity

Human Capital

1 project

Workforce management, job matching

MLMatching AlgorithmsPayments

Cloud Infrastructure

5 projects

DevOps, deployment, monitoring

AWSDockerKubernetes

AI/ML Integration

3 projects

Model deployment, optimization

TensorFlowscikit-learnMLOps

Real Estate

2 projects

Property management, listings, CRM

Property DatabasesMap IntegrationDocument Management

MedTech

2 projects

Healthcare systems, compliance, patient data

HIPAA CompliancePatient ManagementData Security

CRMs

3 projects

Customer relationship, sales automation, analytics

Pipeline ManagementContact ManagementReporting

Skills & Expertise

Languages

Python
Ruby
JavaScript
TypeScript
Node.js
Go
SQL

Backend Frameworks

Ruby on Rails
FastAPI
Django
Flask
Express.js
GraphQL

Frontend

React.js
Next.js
Vue.js
Angular
TypeScript
Tailwind CSS
HTML5/CSS3

Databases

PostgreSQL
MySQL
MongoDB
Redis
DynamoDB
Firebase
Elasticsearch

Cloud & DevOps

AWS (EC2, Lambda, S3, SageMaker, RDS)
GCP
Docker
Kubernetes
Terraform
GitHub Actions
Jenkins
ECS

AI/ML

TensorFlow
scikit-learn
PyTorch
Model Deployment
MLOps
Data Analytics

Testing & Quality

Pytest
Rspec
Jest
Cypress
TDD
BDD
Integration Testing
Selenium

Tools & Methods

Git
Agile/Scrum
JIRA
Postman
Docker
Confluence
API Design

What Others Say

Feedback from colleagues, clients, and leaders I've worked with

"Outstanding technical expertise and delivery. Umair built our Revolution Insights platform that now manages millions in accounts. Highly recommend."

John Smith

CTO, Cisco Systems

"Exceptional engineer who understood our vision and delivered an AI-powered platform that scales. His ML integration expertise was invaluable."

Sarah Chen

Founder, Qualime

"Built a world-class e-commerce platform that grew our business 300%. Professional, reliable, and deeply technical."

Marco Rossi

CEO, Italyabroad

"Led the API development that improved our system efficiency by 30%. Great mentor and technical leader. Trusted advisor for architecture decisions."

David Johnson

VP Engineering, Enter One

Let's Build Something Great

I'm always interested in discussing new projects, technology, or opportunities to help scale your business.