Description

Senior Blockchain & Fintech Architect / Technical Lead with 15+ years of experience in software engineering and active in the crypto industry since 2016.

I help fintechs, crypto companies, and financial institutions design and deliver secure, scalable, and compliant digital asset platforms.

Core expertise:

Digital asset custody & wallet infrastructure

Trading, settlement, treasury & liquidity systems

Tokenization & institutional blockchain platforms

Crypto payment & mobile wallet applications

Compliance-driven systems (KYC/AML, transaction monitoring)

Exchange integrations & blockchain infrastructure

Currently leading two engineering teams (10+ engineers) and delivering mission-critical fintech and blockchain systems across custody, trading, payments, and regulated environments.

Strong background in architecture, technical leadership, and end-to-end delivery of complex distributed systems.

Industry field of expertise

Languages

French
Native or bilingual
English
Native or bilingual

Workplace preferences

Remote only

Primarily works remotely

Hexarq - BPCE Group
Technical Lead
January 2024 - Today (2 years and 5 months)
Paris, France
Technical Lead & Software Architect leading two engineering teams (10+ engineers) building core digital asset infrastructure for Hexarq.

Responsible for architecture, technical leadership, and delivery across multiple critical platforms:

- Blockchain custody and transaction systems using Ripple Custody
- Trading, Subledger, and Accounting integrations using the Wyden trading platform
- Settlement and exchange integration services
- Treasury and liquidity management (settlement flows, internal transfers, hot/warm/cold wallet management)
- Deposit and withdrawal services with compliance constraints

Accountable for end-to-end system design, architecture decisions, and coordination of delivery across two engineering teams.
Blockchain Java Spring boot Technical Lead
Freelance
Blockchain Expert
January 2023 - Today (3 years and 5 months)
Contributed to multiple blockchain initiatives focused on sustainability and “Blockchain for Good” use cases.

Worked on Optimus, a blockchain-based initiative exploring energy-efficient and sustainable infrastructure for distributed systems.
Contributed to the design and exploration of low-energy blockchain architectures and more sustainable Web3 practices.

Focus on sustainable blockchain design, Web3 environmental impact, and responsible distributed systems.
Request Network
Product Manager
June 2022 - April 2023 (10 months)
Paris, France
Product Manager for the Request Network protocol, driving protocol evolution, ecosystem expansion, and developer adoption.

Led product and ecosystem initiatives to enhance protocol capabilities and onboarding experience
Contributed to feature development and tokenomics strategy
Designed and launched a $200K+ grant program supporting ecosystem growth and external builders
Established partnerships with Web3 projects including Huma Finance
Represented the protocol through hackathons, Blockchain events, community initiatives, and developer engagement programs
Revolved around product strategy, ecosystem growth, tokenomics, and Web3 developer relations.
Web3 Blockchain Dapps Product management hackathon

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European Institute of Technology
2011

Omar S.

Solution Architect | Technical Lead | Blockchain

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