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Hi, I’m Abdur Rafay Saleem, a full-stack software engineer with 6 years of experience delivering cross-platform solutions using Flutter, Node.js, and ASP.NET. I enjoy designing scalable RESTful APIs, applying SOLID principles, and collaborating with teams to build software that users love. I’m currently pursuing a Master of Science in Computer Science at UCF on a Fulbright scholarship and I’m passionate about AI integration, CI/CD automation, and mentoring others. Outside work, I love sharing knowledge, contributing to open source projects, and exploring how emerging technologies can improve developer experience and product outcomes.…Hi, I’m Abdur Rafay Saleem, a full-stack software engineer with 6 years of experience delivering cross-platform solutions using Flutter, Node.js, and ASP.NET. I enjoy designing scalable RESTful APIs, applying SOLID principles, and collaborating with teams to build software that users love. I’m currently pursuing a Master of Science in Computer Science at UCF on a Fulbright scholarship and I’m passionate about AI integration, CI/CD automation, and mentoring others. Outside work, I love sharing knowledge, contributing to open source projects, and exploring how emerging technologies can improve developer experience and product outcomes.

ABDUR RAFAY SALEEM

App Developer, Back-End Developer, Full Stack Developer, +7

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Hi, I’m Abdur Rafay Saleem, a full-stack software engineer with 6 years of experience delivering cross-platform solutions using Flutter, Node.js, and ASP.NET. I enjoy designing scalable RESTful APIs, applying SOLID principles, and collaborating with teams to build software that users love. I’m currently pursuing a Master of Science in Computer Science at UCF on a Fulbright scholarship and I’m passionate about AI integration, CI/CD automation, and mentoring others. Outside work, I love sharing knowledge, contributing to open source projects, and exploring how emerging technologies can improve developer experience and product outcomes.…Hi, I’m Abdur Rafay Saleem, a full-stack software engineer with 6 years of experience delivering cross-platform solutions using Flutter, Node.js, and ASP.NET. I enjoy designing scalable RESTful APIs, applying SOLID principles, and collaborating with teams to build software that users love. I’m currently pursuing a Master of Science in Computer Science at UCF on a Fulbright scholarship and I’m passionate about AI integration, CI/CD automation, and mentoring others. Outside work, I love sharing knowledge, contributing to open source projects, and exploring how emerging technologies can improve developer experience and product outcomes.

Available to hire

Hi, I’m Abdur Rafay Saleem, a full-stack software engineer with 6 years of experience delivering cross-platform solutions using Flutter, Node.js, and ASP.NET. I enjoy designing scalable RESTful APIs, applying SOLID principles, and collaborating with teams to build software that users love. I’m currently pursuing a Master of Science in Computer Science at UCF on a Fulbright scholarship and I’m passionate about AI integration, CI/CD automation, and mentoring others.

Outside work, I love sharing knowledge, contributing to open source projects, and exploring how emerging technologies can improve developer experience and product outcomes.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Beginner

Language

English

Fluent

Work Experience

Senior Software Engineer at EXA

April 1, 2025 - November 21, 2025

Tackled maintenance and migration of classic product to a new multi-tenant architecture on .Net Core. Streamlined CI/CD pipelines to reduce deployment times from 45 mins to 1 min. Created complex Power Automate Flows to conduct code reviews calculations and post PR updates to Teams. Established an entire on-prem and ssl-secured AI deployment using Docker, Ollama and Nginx. Integrated GenAI into three areas of the software using the private AI model, improving customer experience and boosting revenue by huge margins. Created internal tools to avoid hopping between servers for deployments, improving developer experience. Wrote complex SQL queries, stored procs and optimizations to process large batches of data in an efficient manner. Trusted as the sole associate for direct client interaction, handling requirements, updates, and ensuring client satisfaction

Software Engineer II at 10Pearls

November 30, 2024 - November 30, 2024

Re-architected legacy project backends using modern .NET Core and RESTful API best practices. Implemented unit testing, logging, and monitoring from project inception. Established solid CI/CD pipelines for testing, building, deployment, and delivery, enabling early detection of issues and reducing deployment failures by 30%. Worked on QPharma Ti Expert 2.0 (Flutter, OpenAI GPT-4) and Jobs Ready App (Flutter, on-device ML, Node.js/TypeScript backend).

Software Engineer at 10Pearls

July 31, 2023 - July 31, 2023

Improved the reliability of legacy .NET code by fixing code smells, reducing technical debt, and improving code quality. Successfully reduced a long-standing backlog of bugs by 70%. Stadium Tickets App - Flutter with a custom NodeJS backend and PostgreSQL; enhanced startup performance by 70% through real-time monitoring of slow frames using Sentry. Implemented a smart conflict resolution and queuing algorithm for concurrent booking requests during high user traffic.

Associate Software Engineer at 10Pearls

June 30, 2022 - June 30, 2022

Developed a Flutter Web-based admin panel to automate a manual data entry process, reducing data inconsistencies and errors by 30% and saving 3 hours per week in manual effort. Achieved 95% test coverage in Flutter app by implementing unit and integration tests, reducing release time by 30%. Optimized MongoDB queries using indexes to improve performance by 23% and ensure data consistency.

Software Engineering Intern at 10Pearls - Hybrid

December 31, 2021 - December 31, 2021

Debugged crashes and optimized performance for a published app, resulting in a 23% increase in user retention rate. Migrated the codebase to null safety, resolving major bugs and improving app stability and performance. Integrated caching and pub/sub events using Cloud Functions to overcome API rate limits. Followed an offline-first development approach to maintain app functionality in farm areas without internet. Sped up export and email of high-volume data by 60% by using multi-threading capabilities of Dart.

Founder and CTO at Cyntaria

June 30, 2020 - June 30, 2020

Led the development of backend and frontend for a web-based collaboration platform. Oversaw weekly progress, conducted code reviews, and performed refactors to manage tech debt.

Software Engineer II at 10Pearls

November 1, 2024 - November 1, 2024

Re-architected legacy backends using modern .NET Core and RESTful API practices; introduced unit testing, logging, and monitoring; established CI/CD pipelines, reducing deployment failures by 30%. Worked on Jobs Ready App stack (Flutter, on-device ML, OpenAI GPT-4, Cloud Messaging, Posthog, Node.js, TypeScript) to enable on-the-fly language translation and scalable backend APIs.

Software Engineer at 10Pearls

July 1, 2023 - July 1, 2023

Improved the reliability of legacy .NET code by addressing code smells, reducing tech debt, and backlog by 70%. Built Stadium Tickets App UI with Flutter, a custom NodeJS backend, PostgreSQL, Firebase Remote Config, Sentry, and GitHub integration. Enhanced startup performance by 70% via real-time slow-frame monitoring and implemented a conflict-resolution and queuing algorithm for high-traffic bookings.

Associate Software Engineer at 10Pearls

June 1, 2022 - June 1, 2022

Developed a Flutter Web admin panel to automate data entry, reducing inconsistencies and saving 3 hours per week. Achieved 95% test coverage in Flutter via unit and integration tests, reducing release time by 30%. Optimized MongoDB queries with indexes to improve performance by 23% and ensure data consistency.

Software Engineering Intern at 10Pearls – Hybrid

December 1, 2021 - December 1, 2021

Debugged crashes and optimized performance; migrated codebase to null safety; implemented caching and pub/sub via Cloud Functions to address API rate limits. Followed offline-first development for farm-area functionality. Sped up export and email of high-volume data by 60% using multi-threading in Dart.

Founder and CTO at Cyntaria

June 1, 2020 - June 1, 2020

Led backend and frontend development for a web-based collaboration platform. Oversaw weekly progress, conducted code reviews, and performed refactors to manage tech debt.

Software Engineering Intern at 10Pearls (Hybrid)

December 31, 2021 - December 31, 2021

Debugged crashes and optimized performance for a published app, resulting in a 23% increase in user retention. Migrated codebase to null safety, resolved major bugs, and improved stability and performance. Implemented caching and pub/sub events using Cloud Functions to overcome API rate limits. Followed offline-first development for farm areas without internet. Sped up export and email of high-volume data by 60% using multi-threading in Dart.

Software Engineering Intern at 10Pearls – Hybrid

December 31, 2021 - December 31, 2021

Debugged crashes and optimized performance for a published app, resulting in a 23% increase in user retention. Migrated the codebase to null safety, resolving major bugs and improving stability. Integrated caching and pub/sub using Cloud Functions to overcome API rate limits. Followed an offline-first development approach to maintain app functionality in farm areas without internet. Sped up export and email of high-volume data by 60% using multi-threading.