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I'm Raja Mohsin Tariq, a senior software engineer focused on building subscription and payment-driven SaaS platforms with Ruby on Rails. I enjoy turning complex ideas into robust, scalable systems and delivering value to users through reliable backend services and delightful front-end experiences. I collaborate across product and design, mentor teammates, and embrace AI-assisted tooling to raise quality and speed without compromising craftsmanship. I thrive in fast-paced startups and love helping creators monetize their audiences through sustainable, recurring revenue products.…I'm Raja Mohsin Tariq, a senior software engineer focused on building subscription and payment-driven SaaS platforms with Ruby on Rails. I enjoy turning complex ideas into robust, scalable systems and delivering value to users through reliable backend services and delightful front-end experiences. I collaborate across product and design, mentor teammates, and embrace AI-assisted tooling to raise quality and speed without compromising craftsmanship. I thrive in fast-paced startups and love helping creators monetize their audiences through sustainable, recurring revenue products.

Raja Mohsin Tariq

Full Stack Developer, Back-End Developer, Front-End Developer, +2

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I'm Raja Mohsin Tariq, a senior software engineer focused on building subscription and payment-driven SaaS platforms with Ruby on Rails. I enjoy turning complex ideas into robust, scalable systems and delivering value to users through reliable backend services and delightful front-end experiences. I collaborate across product and design, mentor teammates, and embrace AI-assisted tooling to raise quality and speed without compromising craftsmanship. I thrive in fast-paced startups and love helping creators monetize their audiences through sustainable, recurring revenue products.…I'm Raja Mohsin Tariq, a senior software engineer focused on building subscription and payment-driven SaaS platforms with Ruby on Rails. I enjoy turning complex ideas into robust, scalable systems and delivering value to users through reliable backend services and delightful front-end experiences. I collaborate across product and design, mentor teammates, and embrace AI-assisted tooling to raise quality and speed without compromising craftsmanship. I thrive in fast-paced startups and love helping creators monetize their audiences through sustainable, recurring revenue products.

Available to hire

I’m Raja Mohsin Tariq, a senior software engineer focused on building subscription and payment-driven SaaS platforms with Ruby on Rails. I enjoy turning complex ideas into robust, scalable systems and delivering value to users through reliable backend services and delightful front-end experiences.

I collaborate across product and design, mentor teammates, and embrace AI-assisted tooling to raise quality and speed without compromising craftsmanship. I thrive in fast-paced startups and love helping creators monetize their audiences through sustainable, recurring revenue products.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Software Engineer at Devsinc

January 1, 2025 - Present

Engineered and maintained Ruby on Rails applications, delivering back-end services for multiple client-facing SaaS products; modernized front-end with Hotwire; built reusable View Components; managed AWS infra via Cloud66; achieved 95%+ test coverage with RSpec; collaborated with product, design, and customer success to translate feedback into technical tasks; leveraged AI-assisted tooling for planning, code reviews, and documentation.

Senior Software Engineer at CoFi

January 1, 2024 - January 1, 2026

Owned end-to-end architecture and delivery of a subscription billing and financing platform; resolved N+1 queries and optimized ActiveRecord with eager loading; modernized a Rails monolith front end using Hotwire and View Components; designed AWS production infra with Cloud66; instrumented feature adoption metrics via CloudWatch; authored comprehensive RSpec suites; mentored junior engineers and collaborated with Product/Design to drive adoption.

Software Engineer at Maple

January 1, 2023 - January 1, 2024

Developed and maintained Ruby on Rails applications; implemented Devise-based authentication and RBAC; performed performance profiling and query optimization; collaborated with non-technical stakeholders to translate business needs into technical specs; enforced Git workflows and code standards.