Freelancer profile translated to English.
Back to original languageAbout Zakarya
Senior software engineer with over 10 years of experience in full-stack development, solution architecture, automation, AI, and blockchain.
Experienced in designing and industrializing digital solutions within complex information systems, with a strong ability to intervene end-to-end: business framing, technical architecture, development, integration, deployment, and team support.
Solid experience in application architecture, microservices, APIs, data pipelines, RAG, blockchain, tokenization, and on-chain / off-chain architectures. Accustomed to working at the business / product / engineering interface, with an approach focused on impact, robustness, maintainability, and scaling.
French
Native or bilingual
English
Native or bilingual
Can work on-site
Bâle (up to 50km), Genève (up to 50km), Lausanne (up to 50km), Zurich (up to 50km)
Experience
- Interval AI - ai-interval.comBlockchain EngineerTECHSeptember 2025 - Today (11 months)New York, United States○ Design and development of blockchain architectures dedicated to data provenance, data lineage, traceability, and certification of data history.○ Use of smart contracts to represent and certify key steps of data pipelines, in order to prove the origin, transformations, and claimed history of a dataset.○ Design of on-chain / off-chain mechanisms to reflect data processes in a blockchain infrastructure, while maintaining scalability, auditability, and security.○ Work on stablecoin and token bridging mechanisms, including cross-chain flows involving Noble Bridge and LayerZero.○ Design of solutions around programmatic transaction signing in a secure environment: EOA, account abstraction, key management, and automation of blockchain interactions.○ Implementation of off-chain indexing components to reconstruct, expose, and audit the state of certified processes on the blockchain.○ Contribution to the deployment and industrialization of the team's services on GCP, with infrastructure and environment automation via Pulumi.○ System design, architecture reviews, and audit processes with major auditing firms.○ Environment: EVM smart contracts, Cosmos SDK with EVM layer, Foundry, Hardhat, TypeScript, GCP, Pulumi, account abstraction, off-chain indexing, secure transaction signing, stablecoins, token bridging, Noble Bridge, LayerZero, system design.
- Rossel Media Group rossel.beIT Solution ArchitectPRESS AND MEDIASeptember 2024 - August 2025 (11 months)Bruxelles, Belgium○ Contribution to the modernization of the IT system of a multi-brand media group, with a focus on solution architecture, application integration, and IS consistency.○ Analysis of business and technical needs, formalization of requirements, proposal of target architectures, and support for teams in design choices.○ Design of application solutions, integrations, APIs, and backend services in a complex IS environment. ○ Definition of microservices architectures, inter-system flows, and application integration principles in a scalable and maintainable approach.○ Documentation of architecture and application interactions using EventCatalog, to improve the readability of domains, services, events, and dependencies.○ Framing and design of AI solutions for editorial and internal use: business assistants, summary generation, syntheses, automated press reviews, and augmented search on archives.○ Implementation of internal assistants based on RAG, combining document search, short content generation, and writing assistance.○ Participation in architecture governance, solution reviews, technological watch, and continuous improvement of architecture practices.○ Environment: Azure DevOps, Kafka, Kubernetes, Docker, Terraform, EventCatalog, Confluence, Git, APIs, microservices, application architecture.
- Engagement Agents - engagementagents.comAI / Automation Solution ArchitectRETAIL (SMALL BUSINESS)January 2024 - September 2024 (8 months)Hamilton, Canada○ Design and automation of multi-source data acquisition pipelines: collection, extraction, normalization, and enrichment of data from heterogeneous sources.○ Implementation of post-processing chains to clean, deduplicate, qualify, and validate data before its use by business teams or client systems.○ Use of AI pipelines for automatic structuring of unstructured data: entity extraction, classification, categorization, summarization, and generation of usable formats.○ Design of workflows combining APIs, automation scripts, AI models, and business rules to transform raw data into structured, qualified, and actionable data.○ Integration of processed data into operational tools, CRMs, databases, or dashboards, with monitoring of the quality and completeness of results.○ Definition of performance indicators: extraction rate, structuring quality, error rate, processing time, and automation level.○ Environment: Python, Node.js, APIs, data pipelines, LLMs, automation, data processing, CRM integrations.
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Education
- Master's Degree, Models and Algorithms for Decision MakingHigher Institute of Computing, Modeling and their Applications - ISIMA2014Master's Degree, Models and Algorithms for Decision Making
- SCIENTIFIC COMPUTING WITH MODERN C++Summer school EDF-INRIA-CEA2015SCIENTIFIC COMPUTING WITH MODERN C++