Mahmudul Hassan
Level 2
SaaS and AI Engineer: Web Apps, Automation and System Architecture
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Senior Full-Stack Engineer & Technical Lead
Heraclius • Fulltime
Jun 2020 - Present • 6 yrs 4 mos
- Leading architecture and development of scalable SaaS platforms and internal systems across multiple products under Heraclius LLC. - Designed and implemented backend systems using Node.js and Laravel, including REST APIs, authentication, RBAC, and high-volume background job processing. - Built and optimized event-driven systems powering real-time workflows, automation pipelines, and scheduled processes at scale, with retry mechanisms and failure handling. - Integrated third-party APIs and AI-driven services to build automation workflows and enhance system capabilities. - Improved system performance and reliability through database optimization, caching, and infrastructure improvements. - Mentored and led a team of engineers, overseeing code quality, system design, and delivery across multiple projects.
130 Reviews
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onbstar

Verenigde Staten
Thank you so much for your hard work and dedication to this project. I highly recommend your service to whoever is looking for a professional and patient person to tackle difficult tasks and achieve results. Will definitely order your services again soon!
Reactie van de freelancer
devereaux60

Verenigde Staten
Super collaborative and always able to solve each last mile delivery challenge.
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cyndiai

Verenigde Staten
I appreciate all the patience with me. Did a great job and delivered on time.
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sabbir_alanaqa

Verenigde Arabische Emiraten
Mahmudul did a great job. He’s really creative and delivered exactly what I needed. Definitely recommend him.

rajahmed79

Verenigd Koninkrijk
I am extremely happy working with Mahmudul. He is very knowledgeable, professional and provides a high level of customer care. My website was very slow with poor performance score , he fixed all the bugs in my website and delivered a result beyond my expectations. Thank you very much for your excellent work.
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