Firouzeh Hejazi

Professional Summary Quant Network Ltd — London, UK Skills Summary of Impact

Software Engineer at Quant Network Ltd, specialising in blockchain interoperability and programmable financial systems. Designed and built scalable RESTful APIs using Overledger to simplify customer integration with diverse distributed ledgers. Recently drove innovation in programmable payments via Quant Flow, incorporating Open Banking, automation, and compliance. Experienced in microservices deployment, reactive architectures, and full CI/CD pipelines.

Software Engineer (Joined ~Q1 2022 – Present)

• Backend Development & APIs
  Designed and built RESTful APIs with Java/Spring Boot to enable multi-DLT connectivity via Overledger, supporting smart contract deployment and blockchain interoperability.
• Frontend Development (React)
  Recently expanded into frontend engineering for Programmable Payments (Quant Flow) , developing React-based UIs for payment automation, consent flows, and financial dashboards.
  Implemented reusable React components with hooks and TypeScript.
  Integrated frontend with backend microservices (REST APIs, Open Banking integrations).
  Improved UX for payment workflows, reserves, and scripting logic.
• Cloud & DevOps
  Deployed microservices on Kubernetes and Docker, automated pipelines with Jenkins X, and monitored systems via AWS CloudWatch.
• Messaging & Databases
  Built resilient services using RabbitMQ (event-driven), MongoDB (NoSQL), and PostgreSQL (relational).
• Programmable Money (Quant Flow)
  Contributed to Quant Flow — programmable money infrastructure integrating Open Banking and automation. Delivered features for consents, payment orchestration, reserves, and compliance.
• Smart Contracts & DLT Integration
  Developed modules for smart contract deployment and execution across target blockchains via Overledger's orchestration.

Key Project – Quant Flow (Programmable Money Platform)

• Programmability Engine
  Contributed to Quant Flow, an API-driven, programmable digital money platform that embeds logic within account-level transactions using the PayScript® domain-specific language.
• Financial Logic & Open Banking
  Integrated Open Banking flows (Yapily) for consent management and account access. Implemented payment automation, reserves management, and scripting logic to enable dynamic payment workflows.
• Security & Compliance
  Ensured enterprise-grade security through regulatory frameworks, fraud prevention tools, and risk analytics. Supported KYC/KYB integration and compliance automation infrastructure.
• Programming & Tech
  Java • Spring Boot • Reactive (WebFlux, Reactor) • REST APIs • Docker • Kubernetes • Jenkins X • AWS CloudWatch • RabbitMQ • MongoDB • PostgreSQL
• Blockchain & FinTech
  Overledger Platform • Multi-chain interoperability • Smart contracts • PayScript® (programmable logic) • Open Banking (Yapily) • Fintech infrastructure
• DevOps & Automation
  CI/CD pipelines • Monitoring & alerts • Automated deployment strategies
• Accelerated cross-DLT development with robust, secure APIs—helping customers adopt multi-blockchain functionality.
• Spearheaded automation pipelines providing banks and corporates with dynamic programmable money features via Quant Flow.
• Elevated system resilience and observability through containerised microservices, reactive design, and CI/CD adoption.

• Company Overview: eCommerce - authentication products
• ACS is one of the “domains” of the 3-Domain Secure authentication protocol for online payments to authenticate the cardholder for a transaction banking application.
• Designed core application using J2EE resulted in the implementation of new parts of web applications with high quality which helped the manufacturing process.
• Improved application to meet changing market trends, through root cause analysis.
• Worked with international project managers in scrum-based engineering teams and vendors to ensure requirements were met and projects were delivered on time and on budget and drive continuous improvement.

• Company Overview: Access Control Systems – RFID Solution Provider
• Performed analysis, design, testing, and other development and support tasks using C# programming and RFID tags programming to meet requirements and enhancement requests throughout the full life cycle.
• Developed protocols for the submission of data transfers, financial reporting using Stimulsoft reporting tool and customer service metrics for use.
• Worked with quality assurance team to set up scripts, test case and automation protocols focused on growing the overall company business through innovation which increased the process performance and pace by 20%.