I am a results-driven Senior Software Developer with over 7 years of experience architecting and delivering high-performance web applications in SaaS, fintech, and B2B domains. My expertise spans both frontend frameworks like Angular, React, and Next.js, and backend development with Node.js and MySQL. I am passionate about performance optimization, scalability, and clean architecture, and I have a proven track record of leading migrations, modernizing user interfaces, and mentoring teams to deliver enterprise-grade solutions. I thrive in collaborative environments, working closely with product, QA, and DevOps teams under Agile methodologies to deliver secure and user-centric software. As an immediate joiner, I am actively seeking leadership roles where I can drive innovation and lead projects in fast-paced tech environments.

Syed Hassan Sibtain

I am a results-driven Senior Software Developer with over 7 years of experience architecting and delivering high-performance web applications in SaaS, fintech, and B2B domains. My expertise spans both frontend frameworks like Angular, React, and Next.js, and backend development with Node.js and MySQL. I am passionate about performance optimization, scalability, and clean architecture, and I have a proven track record of leading migrations, modernizing user interfaces, and mentoring teams to deliver enterprise-grade solutions. I thrive in collaborative environments, working closely with product, QA, and DevOps teams under Agile methodologies to deliver secure and user-centric software. As an immediate joiner, I am actively seeking leadership roles where I can drive innovation and lead projects in fast-paced tech environments.

Available to hire

I am a results-driven Senior Software Developer with over 7 years of experience architecting and delivering high-performance web applications in SaaS, fintech, and B2B domains. My expertise spans both frontend frameworks like Angular, React, and Next.js, and backend development with Node.js and MySQL. I am passionate about performance optimization, scalability, and clean architecture, and I have a proven track record of leading migrations, modernizing user interfaces, and mentoring teams to deliver enterprise-grade solutions.

I thrive in collaborative environments, working closely with product, QA, and DevOps teams under Agile methodologies to deliver secure and user-centric software. As an immediate joiner, I am actively seeking leadership roles where I can drive innovation and lead projects in fast-paced tech environments.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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Language

English
Fluent

Work Experience

Senior Software Developer at Contour Software (A subsidiary of Constellation Software Inc.)
June 30, 2025 - August 18, 2025
Spearheaded development of scalable web applications supporting over 1000 daily users for enterprise platforms. Conducted architecture reviews and applied modular designs to reduce technical debt by 30%. Mentored more than 3 junior developers, introduced Angular design patterns, and enforced coding standards. Coordinated with cross-functional teams driving product alignment using Agile ceremonies. Led integration of third-party services and enhanced system observability. Used TypeScript for strongly typed component development and incorporated WebSocket protocols for real-time data updates. Provided technical leadership establishing coding standards and conducting code reviews to ensure quality and security.
Software Engineer at Contour Software (A subsidiary of Constellation Software Inc.)
December 31, 2024 - August 18, 2025
Migrated Nexus View product from Angular 7 to Angular 12+, with ongoing roadmap to version 17. Collaborated with product and design teams using Adobe XD to deliver pixel-perfect interfaces. Enhanced application performance by 30% through lazy loading, modular refactoring, and optimized API usage. Modernized UI stack by combining Angular Material with custom components, reducing development time by 40%. Integrated Invoice Cloud to improve enterprise payment processing user experience. Maintained Git versioning, led code reviews, and enforced team best practices.
Full Stack Software Engineer (Angular, React, Node.js) at Haball Pvt. Ltd
January 1, 2021 - August 18, 2025
Built responsive UIs with Angular (v4–14) and React.js using TypeScript following Figma-based design specifications. Leveraged Bootstrap and PrimeNG for complex UI components ensuring responsive and consistent UX. Implemented Excel and PDF document generation and parsing for enterprise reporting. Liaised with designers using Adobe XD to execute precise UI handoffs. Developed RESTful APIs with Node.js and MySQL for real-time fintech integrations. Managed complex state using NGRX and Redux in large-scale applications. Delivered JWT-secured role-based access systems compliant with GDPR. Improved API performance by 40% through MySQL query optimization. Implemented a RabbitMQ-based message queuing system for reliable asynchronous fintech transaction processing.
Senior Software Developer at Contour Software (A subsidiary of Constellation Software Inc.)
June 30, 2025 - August 29, 2025
Led the development of scalable web applications supporting over 1000 daily users for enterprise platforms, improved architecture by reducing technical debt by 30%, and mentored junior developers on Angular design patterns and coding standards. Coordinated cross-functional teams and led the integration of third-party services, enhancing system observability and enabling real-time data updates using WebSocket protocols. Provided technical leadership and enforced code quality and security best practices for Angular frontend applications.
Software Engineer at Contour Software (A subsidiary of Constellation Software Inc.)
December 31, 2024 - August 29, 2025
Migrated Nexus View product from Angular 7 to Angular 12+ and led UI modernization efforts combining Angular Material with custom components. Enhanced application performance by 30% through lazy loading, modular refactoring, and API optimization. Collaborated closely with product and design teams to deliver pixel-perfect interfaces and integrated Invoice Cloud for improved payment processing user experience. Maintained Git versioning and enforced best team practices through code reviews.
Full Stack Software Engineer (Angular, React, Node.js) at Haball Pvt. Ltd
January 1, 2021 - August 29, 2025
Developed responsive UIs using Angular and React.js with TypeScript following Figma designs. Leveraged Bootstrap and PrimeNG for complex UI components and built RESTful APIs with Node.js and MySQL for fintech integrations. Architected a Micro-Frontend architecture to improve team autonomy. Managed complex application state with NGRX and Redux, implemented JWT-secured role-based access compliant with GDPR, and improved API performance by 40% through MySQL query optimization. Established a RabbitMQ message queuing system for reliable asynchronous fintech transaction processing.

Education

Bachelor’s Degree at National University of Computer and Emerging Sciences (NUCES), Karachi, Pakistan
January 1, 2013 - December 31, 2017
Bachelor's degree in Computer Science at National University of Computer and Emerging Sciences (NUCES), Karachi, Pakistan
January 1, 2013 - January 1, 2017
Bachelor’s degree in computer science at National University of Computer and Emerging Sciences (NUCES), Karachi, Pakistan
January 1, 2013 - January 1, 2017

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Financial Services, Professional Services