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Seyyed Ali MohammadiyehSA

Seyyed Ali Mohammadiyeh

Senior Full-Stack Engineer

€250/day
Brussels, BE
15+ years

Average response time: 1 hour

About Seyyed Ali

Senior Full-Stack Engineer and Technical Lead with 10+ years of experience designing and delivering scalable, high-performance systems ✨ especially in fintech, payments, and data-driven platforms.

I help companies build, modernize, and scale complex applications with a strong focus on clean architecture, reliability, and long-term maintainability 🚀 My core stack includes TypeScript (Node.js, NestJS), Python (FastAPI, Django), and PHP (Laravel), with deep experience in microservices, event-driven systems, and API design (OpenAPI/Swagger).

I have led the re-architecture of banking and payment systems, transforming legacy platforms into scalable microservices, improving performance, fault tolerance, and compliance 🔐 I regularly work on high-stakes systems involving payment gateways, financial workflows, settlement systems, and secure integrations.

Beyond coding, I bring strong ownership and leadership 💼 mentoring teams, defining engineering standards, setting up CI/CD pipelines, and driving projects from idea to production.

What I can help you with:
⚙️ Backend and full-stack development for scalable web platforms
🏗️ System architecture and microservices design
💳 Fintech and payment system development
🔌 API design, integrations, and automation
⚡ Performance optimization and system reliability
☁️ DevOps, CI/CD, and cloud deployment

I focus on delivering production-ready systems that are robust, maintainable, and aligned with your business goals 🎯 not just code.
  • English

    Native or bilingual

  • Persian

    Native or bilingual

  • Arabic

    Basic

Can work on-site
Brussels (up to 50km)

Experience

  • • •BSafe Group
    Senior Project Manager
    DIGITAL AND IT
    March 2025 - Today (1 year and 3 months)
    Brussels, Belgium
    Lead cross-functional teams across construction, technology, and logistics projects, coordinating engineers, consultants, and stakehold ers to deliver complex initiatives on schedule and within budget. Drive strategic project planning, execution, and delivery while actively contributing to product and technical decisions for internal IT platforms. Identify market opportunities and support business expansion by launching new technology-driven solutions and improving operational processes. Establish structured project management workflows, performance metrics, and reporting systems to ensure measurable outcomes for enterprise clients.
    Python IT Strategy ERP System Customization Digital Transformation ERP Integration with External Systems
  • • •Rial Payment Credit
    Lead Developer
    January 2025 - Today (1 year and 5 months)
    Led the redesign and re-implementation of core banking switch systems, focusing on high-availability, scalability, and regulatory com pliance. Re-architected legacy systems into a microservices-based architecture using Python (FastAPI, Django) and TypeScript (Node.js, NestJS). Designed and implemented secure integrations with multiple banking web services, including payment gateways, settlement systems, and interbank APIs. Built event-driven and asynchronous services using Python and TypeScript, improving transaction throughput and system reliability. Defined service boundaries, data contracts, and API specifications (Swagger / OpenAPI) across Python and TypeScript services. Worked closely with DevOps teams on CI/CD pipelines, containerization, and production deployments to support Python and Type Script microservices. Acted as technical lead, mentoring developers and enforcing clean architecture, code quality, and best practices across Python and TypeScript codebases.
  • • •Iranian Credit Card
    Engineering Manager
    February 2024 - February 2025 (1 year)
    Led the engineering team responsible for a financial and credit platform, covering lending, credit scoring, reporting, and banking settlements. Drove the development of new features and continuous improvements using Python (FastAPI) and TypeScript (Next.js, Node.js). Oversaw system maintenance, bug fixing, and performance optimization in Python and TypeScript services handling sensitive financial data. Designed and implemented financial reporting, reconciliation, and settlement workflows, ensuring accuracy and auditability.
    Coordinated cross-functional efforts between backend (Python), frontend (TypeScript), and infrastructure teams. Established engineering standards, code reviews, and delivery processes with a strong focus on Python and TypeScript best practices. Balanced technical leadership and people management, ensuring timely delivery and system stability in a high-stakes financial envi ronment.

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Education

  • University of Kashan
  • MBA
    Euro American Institute
    MBA

Skill set

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