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I'm Faizan Haider, a Senior Ruby on Rails / Full-Stack Software Engineer based in Sydney with 5+ years of experience building scalable, secure, and high-performance web applications across SaaS, FinTech, EdTech, and eCommerce domains. I excel at Ruby on Rails backend development, RESTful API design, and relational database optimization, and I have hands-on experience deploying production applications on AWS using CI/CD automation and infrastructure-as-code. I enjoy designing microservice architectures, integrating third-party APIs, and collaborating with distributed Agile teams to deliver reliable, production-ready software. In addition to backend expertise, I work with modern frontend technologies like React, and I bring DevOps practices to the table with Docker, Terraform, and GitHub Actions. I thrive in international remote environments and enjoy turning complex requirements into robust, maintainable solutions that ship value quickly.…I'm Faizan Haider, a Senior Ruby on Rails / Full-Stack Software Engineer based in Sydney with 5+ years of experience building scalable, secure, and high-performance web applications across SaaS, FinTech, EdTech, and eCommerce domains. I excel at Ruby on Rails backend development, RESTful API design, and relational database optimization, and I have hands-on experience deploying production applications on AWS using CI/CD automation and infrastructure-as-code. I enjoy designing microservice architectures, integrating third-party APIs, and collaborating with distributed Agile teams to deliver reliable, production-ready software. In addition to backend expertise, I work with modern frontend technologies like React, and I bring DevOps practices to the table with Docker, Terraform, and GitHub Actions. I thrive in international remote environments and enjoy turning complex requirements into robust, maintainable solutions that ship value quickly.

Faizan Haider

Full Stack Developer, Back-End Developer, Web Developer

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I'm Faizan Haider, a Senior Ruby on Rails / Full-Stack Software Engineer based in Sydney with 5+ years of experience building scalable, secure, and high-performance web applications across SaaS, FinTech, EdTech, and eCommerce domains. I excel at Ruby on Rails backend development, RESTful API design, and relational database optimization, and I have hands-on experience deploying production applications on AWS using CI/CD automation and infrastructure-as-code. I enjoy designing microservice architectures, integrating third-party APIs, and collaborating with distributed Agile teams to deliver reliable, production-ready software. In addition to backend expertise, I work with modern frontend technologies like React, and I bring DevOps practices to the table with Docker, Terraform, and GitHub Actions. I thrive in international remote environments and enjoy turning complex requirements into robust, maintainable solutions that ship value quickly.…I'm Faizan Haider, a Senior Ruby on Rails / Full-Stack Software Engineer based in Sydney with 5+ years of experience building scalable, secure, and high-performance web applications across SaaS, FinTech, EdTech, and eCommerce domains. I excel at Ruby on Rails backend development, RESTful API design, and relational database optimization, and I have hands-on experience deploying production applications on AWS using CI/CD automation and infrastructure-as-code. I enjoy designing microservice architectures, integrating third-party APIs, and collaborating with distributed Agile teams to deliver reliable, production-ready software. In addition to backend expertise, I work with modern frontend technologies like React, and I bring DevOps practices to the table with Docker, Terraform, and GitHub Actions. I thrive in international remote environments and enjoy turning complex requirements into robust, maintainable solutions that ship value quickly.

Available to hire

I’m Faizan Haider, a Senior Ruby on Rails / Full-Stack Software Engineer based in Sydney with 5+ years of experience building scalable, secure, and high-performance web applications across SaaS, FinTech, EdTech, and eCommerce domains. I excel at Ruby on Rails backend development, RESTful API design, and relational database optimization, and I have hands-on experience deploying production applications on AWS using CI/CD automation and infrastructure-as-code. I enjoy designing microservice architectures, integrating third-party APIs, and collaborating with distributed Agile teams to deliver reliable, production-ready software.

In addition to backend expertise, I work with modern frontend technologies like React, and I bring DevOps practices to the table with Docker, Terraform, and GitHub Actions. I thrive in international remote environments and enjoy turning complex requirements into robust, maintainable solutions that ship value quickly.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Work Experience

Senior Software Engineer at Compliance Easy

October 1, 2025 - Present

Developed & maintained scalable web applications using Ruby on Rails. Collaborated with cross-functional teams to align technology with business goals. Integrated AI-powered RAG application by hosting a local Ollama on the VPS. Integrated third-party AI-powered APIs to automate processes. Drove Rails upgrades, dependency management, and performance optimization. Built RESTful APIs, background jobs, and scalable back-end architectures.

Senior Software Engineer at Analytico Tech

January 1, 2026 - February 1, 2026

Leading Ruby on Rails application development for SaaS and eCommerce platforms. Driving Rails upgrades, dependency management, and performance optimization. Building RESTful APIs, background jobs, and scalable back-end architectures. Delivering Shopify solutions including custom Liquid themes and Shopkeeper-based store operations. Deploying and maintaining applications on AWS and Heroku with CI/CD pipelines.

Senior Software Engineer at Al-daim Solutions

April 1, 2021 - December 1, 2025

Designed and developed scalable Ruby on Rails applications for SaaS and enterprise clients. Worked on serverless architecture on AWS Cloud services using CloudFormation and Lambda functions. Built and maintained RESTful APIs, back-end services, and integration with third-party systems including Plaid, payment APIs (Stripe), SMS/Email API (Twilio). Led performance optimization efforts, improving database query efficiency and reducing API latency across multiple services. Supported merchants in launching new Shopify features, ensuring smooth deployment and clean, maintainable code. Managed Shopify stores using Shopkeeper and built advanced custom themes. Implemented CI/CD pipelines using GitHub Actions, Docker, Terraform, improving deployment speed and overall reliability. Mentored junior developers through code reviews and pair programming.

Software Engineer at Next Horizon Pakistan (Contract – Remote)

April 1, 2024 - April 1, 2025

Delivered enterprise-grade applications by developing REST APIs and backend services in Ruby on Rails, integrated with PostgreSQL databases. Deployed and supported applications on Heroku and AWS, ensuring high uptime and secure handling of customer data. Collaborated with designers to implement responsive user interfaces using VueJS and ReactJS, aligned with customer workflows.

Software Engineer (Contract) at Upwork – Remote, US

June 1, 2022 - September 1, 2022

Built LMS-style dashboards and portals using ReactJS and Retool, integrated with APIs to enable structured content delivery and learner progress tracking. Deployed APIs with Ruby on Rails in AWS EC2 and integrated them with SQL-based reporting pipelines. Collaborated with stakeholders remotely to analyze workflows and deliver practical solutions for data management and automation.

Associate Software Engineer (Contract) at Remote

December 1, 2020 - May 1, 2021

Developed lead-generation web applications with responsive UI design principles, improving customer engagement rates. Integrated applications with back-end APIs and SQL databases, enabling accurate data collection and reporting.