Ali Ahmad

I'm

About

Results-driven Principal Software Engineer with 8+ years of expertise specializing in Ruby on Rails, Elixir/Phoenix, and AI-powered application development. Proven track record building scalable full-stack solutions across healthcare, travel, and e-commerce sectors. Expert in leveraging AI/ML technologies (LLMs, NLP, ChatGPT/Claude integration) to deliver intelligent, data-driven applications. Skilled in microservices architecture, cloud infrastructure (AWS, Azure), and leading cross-functional engineering teams.

Principal Software Engineer | Ruby on Rails Specialist | AI/ML Integration Expert

Driving Innovation and Excellence in Ruby On Rails (Specialist)

  • Birthday: 12 Feb 1996
  • Website: aliahmad.info
  • Phone: +92 3224522419
  • City: Lahore, Pakistan
  • Age: 30
  • Degree: Bachelor
  • Email: alimughal9987@gmail.com
  • Freelance: Available

Facts

Experienced web developer with a strong technical background and a passion for creating exceptional websites. Skilled in problem-solving, collaboration, and effective communication. Committed to delivering high-quality projects on time and within budget. Continuously learning and staying up-to-date with the latest technologies. Dedicated to client satisfaction and building long-term relationships.

Happy Clients Around The Globe

Projects Global Impact

Cup Of Coffee Highly Caffeinated Moments of Brilliance

Hours Of Support Honing My Skills and Crafting Exceptional Experiences.

Technologies & Skills

My diverse set of skills that enables me to create functional, visually appealing, and user-friendly websites.

Ruby on Rails
Elixir/Phoenix
AI/ML Integration
Python
TypeScript
AWS
Microservices
PostgreSQL
React/Angular
Docker/Kubernetes
CI/CD
TDD/BDD
Team Leadership

Resume

I am a dedicated and highly motivated professional with a passion for learning and a strong commitment to excellence. With a solid educational background and years of experience in the field, I bring a combination of technical expertise, problem-solving skills, and a strong work ethic. I thrive in dynamic environments, adapt quickly to new challenges, and continuously strive to deliver exceptional results. With a keen eye for detail and a collaborative mindset, I am confident in my ability to contribute effectively to any team and drive success in my endeavors.

Professional Experience

PRINCIPAL OF SOFTWARE ENGINEER

2024 - PRESENT

Sabre Corporation (Remote, USA) | Global travel technology company

  • Architected and deployed AI-powered support ticket classification system using OpenAI GPT-4, reducing manual categorization time from 3 days to 10 seconds with 95% accuracy, saving $200K annually
  • Integrated ChatGPT API for intelligent search functionality, improving user query success rate by 45% through NLP-based semantic understanding
  • Designed and implemented 15+ microservices using Ruby on Rails and gRPC, decomposing monolithic e-commerce platform and improving deployment speed by 70%
  • Led migration of core application from Rails 5.2 to Rails 7.1, achieving 30% performance improvement and enabling modern AI feature integration
  • Implemented background job processing with Sidekiq and Redis, handling 500K+ async tasks daily and improving system responsiveness by 60%
  • Established CI/CD pipelines using GitHub Actions and Azure DevOps, reducing deployment time from 2 hours to 15 minutes with 99.9% success rate
  • Mentored team of 5 junior engineers on AI integration best practices, code review standards, and Rails/Elixir development patterns
  • Conducted security audits ensuring HIPAA compliance and OWASP Top 10 adherence, mitigating 12 critical vulnerabilities
  • Integrated performance monitoring (New Relic, Datadog) to proactively identify bottlenecks, reducing P95 response time by 40%

Lead Software Developer

2022 - 2024

Sedin Technologies | Technology consulting firm | Multiple enterprise clients

  • Built AI-enhanced analytics platform using Ruby on Rails and React, integrating GPT-4 for automated report generation and natural language data querying, serving 50K+ monthly users
  • Developed NLP-powered search engine using Elasticsearch and OpenAI embeddings (pgvector), improving search relevance by 60% and reducing support tickets by 35%
  • Spearheaded GraphQL adoption across 8 client projects, reducing API over-fetching by 70% and improving mobile app performance by 45%
  • Led domain-driven design (DDD) initiatives for complex fintech application, improving code modularity and reducing bug rate by 40%
  • Implemented feature flagging system (LaunchDarkly) enabling A/B testing and controlled rollouts, increasing successful deployment rate from 85% to 98%
  • Established TDD/BDD practices using RSpec and Cucumber, achieving 95%+ test coverage and reducing production bugs by 55%
  • Created reusable UI component library in Angular and TypeScript, accelerating project onboarding time by 50% across 4 teams
  • Optimized database queries and implemented strategic caching (Redis), reducing API response time from 2.5s to 180ms (93% improvement)

Senior Software Engineer

2018 - 2022

InvoZone | Software development agency | 200+ employees | Multiple client projects

  • Developed enterprise booking and messaging system using Elixir/Phoenix Framework, handling 100K+ concurrent connections with 99.9% uptime
  • Resolved critical race condition in booking pipeline through optimistic locking patterns, eliminating double-booking incidents (previously 2-3/day)
  • Implemented currency conversion and multi-language localization features supporting 15+ currencies and 8 languages using third-party APIs
  • Built diagnostic tools in Rails and AngularJS for internal customer support, reducing ticket resolution time by 40%
  • Championed code quality initiatives: enforced RuboCop/ESLint standards, conducted 200+ code reviews, established documentation best practices
  • Improved system reliability through service refactoring, strategic caching, and query optimization, reducing P99 latency by 65%
  • Integrated feature flag systems enabling controlled rollouts and reducing rollback incidents by 80%
  • Contributed to open-source projects and knowledge-sharing sessions, raising team-wide engineering standards

Education

Bachelor of Computer Science & Information Technology

2014 - 2018

The University Of Lahore, Lahore, Pakistan

Relevant Coursework: Data Structures, Algorithms, Database Systems, Software Engineering, Computer Networks, Operating Systems, Web Development

Portfolio

Services

Leveraging 8+ years of expertise in Ruby on Rails, AI/ML integration, and scalable system architecture to deliver intelligent, high-performance solutions for modern businesses.

AI/ML Integration & Development

Transform your application with cutting-edge AI capabilities. Expert in integrating OpenAI GPT-4, Claude API, and custom NLP solutions for intelligent automation, semantic search, text classification, and chatbot development. Proven track record: 95% accuracy in AI ticket classification, 45% improvement in search satisfaction, $200K+ annual cost savings.

Ruby on Rails Expert Development

8+ years specializing in Ruby on Rails application development. Build scalable, maintainable, and high-performance web applications from MVP to enterprise scale. Expertise in Rails 5-7, microservices architecture, background job processing (Sidekiq), and database optimization. Successfully handled 500K+ daily async tasks and achieved 30% performance improvements through Rails upgrades.

Microservices Architecture & System Design

Design and implement scalable microservices-based architectures using Ruby on Rails, Elixir/Phoenix, and gRPC. Decompose monolithic applications into modular, independently deployable services. Proven experience: deployed 15+ microservices, improved deployment speed by 70%, and handled 100K+ concurrent connections with 99.9% uptime.

NLP-Powered Search & Analytics

Build intelligent search systems using Natural Language Processing, Elasticsearch, and OpenAI embeddings (pgvector). Enable users to search with natural language queries, implement semantic similarity, and automate text classification. Real results: 60% improvement in search relevance, 70% reduction in "can't find info" support tickets, 89% user satisfaction.

Performance Optimization & Scaling

Optimize application performance through strategic caching (Redis), database query optimization, background job processing, and load balancing. Expert in identifying and eliminating bottlenecks using APM tools (New Relic, Datadog). Proven results: 93% reduction in API response time (2.5s → 180ms), 40% reduction in P95 response time, 65% improvement in P99 latency.

API Development (REST, GraphQL, gRPC)

Develop robust, scalable APIs using RESTful principles, GraphQL, and gRPC. Expert in API design, versioning, authentication (OAuth 2.0, JWT), rate limiting, and documentation (Swagger/Postman). Integrate third-party services including payment gateways, AI APIs (OpenAI, Claude), and cloud platforms. Reduced API over-fetching by 70% through GraphQL implementation.

Cloud Infrastructure & DevOps (AWS/Azure)

Design and deploy cloud-native applications on AWS and Microsoft Azure. Expert in Docker containerization, Kubernetes orchestration, and CI/CD pipeline automation (GitHub Actions, Azure DevOps, Jenkins). Implement infrastructure as code, monitoring, and alerting. Achievements: reduced deployment time from 2 hours to 15 minutes with 99.9% success rate.

Full-Stack Web Development

End-to-end web application development using Ruby on Rails, Elixir/Phoenix for backend, and React, Angular, Vue.js for frontend. Build responsive, user-friendly interfaces with modern JavaScript frameworks and TypeScript. Expertise in real-time features (WebSockets, Phoenix LiveView), progressive web apps (PWA), and mobile-responsive design.

Security Audits & Compliance (HIPAA/OWASP)

Conduct comprehensive security audits, threat modeling, and penetration testing. Ensure compliance with HIPAA, GDPR, and OWASP Top 10 standards. Implement secure authentication (OAuth 2.0, JWT), data encryption (SSL/TLS), input validation, and protection against common vulnerabilities (SQL injection, XSS, CSRF). Mitigated 12+ critical vulnerabilities at Sabre Corporation.

Database Design & Optimization

Design efficient, scalable database architectures using PostgreSQL, MySQL, MongoDB, and Redis. Expert in data modeling, indexing strategies, query optimization, and database migrations. Implement caching layers, read replicas, and connection pooling for high-traffic applications. Support for vector databases (pgvector) for AI/ML workloads.

Technical Leadership & Team Mentoring

Lead engineering teams through complex technical challenges, architecture decisions, and best practice adoption. Mentor junior and mid-level engineers on AI integration, code quality, Rails/Elixir patterns, and career development. Conduct comprehensive code reviews, establish documentation standards, and foster engineering excellence. Successfully mentored 5+ engineers at Sabre Corporation.

E-commerce & SaaS Platform Development

Build custom e-commerce platforms and SaaS applications with payment gateway integration (Stripe, PayPal), subscription management, multi-tenancy, and billing automation. Expert in inventory management, order processing, customer analytics, and third-party marketplace integrations. Delivered solutions for healthcare, travel, and fintech sectors.

Client Testimonials

Ali transformed our backend into a highly scalable system. His deep expertise in Rails and system design significantly improved performance and reliability under heavy load.

CTO

Fintech Startup

Working with Ali was exceptional. He took full ownership of complex features and delivered clean, maintainable code that scaled with our rapid growth.

Product Lead

SaaS Platform

Ali’s ability to handle high-concurrency systems is outstanding. He solved critical performance bottlenecks that directly improved our user experience.

Head of Engineering

E-commerce Company

His AI/ML integration work brought real business impact. We automated key workflows and reduced manual effort significantly thanks to his solutions.

Operations Director

Logistics Company

Ali consistently delivered high-quality code while mentoring the team. His leadership and technical clarity made a huge difference in our development velocity.

Senior Developer

Tech Company

From architecture to deployment, Ali handled everything seamlessly. His ability to design robust systems and execute efficiently is truly impressive.

Founder

Startup

Contact

Contact Me to Discuss Your Web Development Needs.

Location:

Lahore, Pakistan

Call:

+92 3224522419