Guillaume Dastot

Delchain acts as a bridge between Traditional Finance and Cryptocurrencies environment, helping clients handle their digital assets from A to Z (Crypto, Fiat, custody, staking, lending) • End-to-end ownership of technology and product delivery for a regulated digital-assets platform: strategy, roadmap, architecture, delivery governance, security policy, and budget. • Built and scaled a multi-jurisdiction Core Banking-like platform enabling trading, custody, staking and lending; integrated 17 exchanges and established real-time monitoring across 26 blockchain explorers. • Owned the end-to-end product lifecycle: stakeholder discovery with Business, Operations, Compliance and Risk; structured requirements into a prioritized backlog; delivered iteratively. • Shaped target architecture, tech stack, data model and APIs supporting asset/transaction workflows, reporting and monitoring across internal services and third-party integrations. • Partnered with Compliance/Risk on AML and fraud monitoring, including Chainalysis integration and workflow automation to improve triage, traceability and operational responsiveness. • Produced and maintained security policy documentation and baseline controls aligned with regulated financial-services expectations. Selected tech: Node.js, React, Python, PostgreSQL, Docker, AWS (ECR/ECS/Fargate), Redis, BullMQ, GitLab CI/CD, Jira Achievements: Cut costs by half in cloud/platform OPEX through architecture and automation improvements, while sustaining resilient operations at scale.

Ti Yan Academy is an eLearning platform for French Cooking and Pastry, now providing a full experience to customers by selling pastries and give access to reproduce the recipes. • CTO and Product Owner for an eLearning platform and digital business expansion (virtual and in-premise team buildings; later fine-pastry e-commerce and retail). • Led product specifications, platform development, content integration, and streaming operations (OBS) for live sessions. • Selected and integrated LMS tools (forums, support systems) and e-commerce solutions including payment gateways and POS systems. • Owned budgeting and administrative coordination (CorpPass, accountants, contractor and mall stakeholders, SFA-related operational setup). • Benchmarked and selected hosting partners for performance, security and scaling; managed outsourced delivery. Selected tech: WordPress/LearnDash, PHP, MySQL, JavaScript, Debian/Linux, AWS / outsourced hosting Achievements: Created a full operational LMS on my own within 6 months with video editing, streaming for events such as team buildings (during Covid) or Voilah! festival

Linkeeway is a Consulting Company with clients in e-learning, pharmaceutical, and telecom sectors • Specifications, architecture and delivery for web-based systems (LMS, apps) across e-learning, pharmaceutical and telecom clients. • Technical audits (for boards / investors) • Debugging, remediation and platform optimization missions. Selected tech: PHP, Angular, Node.js, React, MySQL, PostgreSQL, NoSQL, APIs, Debian/Linux Achievements: Mentoring of CTOs with platforms security and scalability improvements

Alma Learning Group is a major educational company in France, running several K12 – Acquired by Globeducate • Managed group IT with CEO and investors; defined roadmap, budgets and target architecture to transition from offline to blended learning and scale through digital tools and external growth. • Designed and delivered the group web ecosystem and ad-hoc LMS; drove requirements from administrative teams through to technical delivery. • Built scalable, redundant infrastructure (file replication, MySQL master/master replication, IP failover, load balancing) supporting multiple school brands and acquisitions. • Led distributed delivery teams (France PMs; development teams in Ukraine and Vietnam) and coordinated R&D for LMS core and plugins (WordPress multisite). • Integrated acquisitions and performed technical audits of to-be-acquired schools. • Coordinated integrations with finance/accounting and CRM systems (Sage, CEGID, Sykio). • Specified APIs for video streaming operations (AWS instance orchestration) and cross-LMS interoperability for students. Selected tech: PHP, MySQL, APIs, WordPress, Debian/Linux, dedicated infrastructure/self-hosting Achievements: Digital transformation and Change management from physical local to digital worldwide schools

Neoptin is a Technical web agency working with open-source platforms, developing its own plugins or working with own tools (developed in php/mysql from scratch), depending on the clients’ requirements) • Interim CTO / CTO-coach for multiple clients; delivered platform builds, redesigns, audits and integrations depending on client requirements. • Hired and managed an in-house full-stack team to meet growing demand; combined in-house and partner delivery models. Selected tech: PHP, MySQL, APIs, WordPress, Magento, Debian/Linux, self-hosting Some achievements: LMS creation (Alma Learning Group), technical & security audit of a 200k-user extranet; redesign/internationalization (Orange), business roadmap prioritization and tech needs for IS architecture redesign (Voyages-sncf.com), redundant Magento/WordPress architecture and payment/logistics plugins (Benta Berry), CTO coaching (Sykio), functional consulting and operations support (Digiteka), Internal wifi server for booths in international conferences with nightly data update (JPW)

Company editing Jukebo.com (Portal and crawlers curating qualified media content - 8 employees, 6 million++ ppm), pivoted to Digital Pre-roll video ads • Owned infrastructure, development and technology strategy; initiated pivot R&D around video pre-roll advertising. • Led engineering hiring and managed a small development team; ensured full redundancy and operational stability. • Drove SEO and growth-oriented technical execution for a media portal and crawler-based content curation platform. Selected tech: PHP, Java, MySQL, APIs, JavaScript/AJAX, Debian/Linux, FFMPEG Achievements: creation of a full ajax website allowing video watching while browsing, pivot to pre-roll advertising videos

Company developing dating websites: meetic, ulteem, superlov – merged with match.com First European dating site on the Internet (over 300 employees, over 27M members, over 600 M ppm), went on IPO) • Led production / front-end operations and delivery governance; reported to CEO and worked with general management, marketing, biz-dev, CRM and back-end teams. • Managed a 40-person multi-national team (webmasters/front-end developers and designers). • Supported international expansion and product launches across ~30 sites; led major platform transitions (Meetic V2/V3, Ulteem V1/V2, Superlov V1/V2). • Coordinated technical launches of ~150 co-branded sites; managed partner relationships and translation agencies. • Established quality monitoring and documentation practices; specified tooling for dev/pre-prod/prod environments. Selected tech: PHP, MySQL, JavaScript/AJAX, templating, HTML/CSS Achievements: helped the company go from 2 to 18 countries in 12 languages, from 2 to 150+ co-branded/white labeled websites (including worldwide Yahoo dating channels)

Consulting and development company, Founder of Public-RH.fr, job-board for French Public Administration (sold to Keljob.com) • Founded a consulting and development company; delivered business development, functional specifications, and application/web delivery (intranet/extranet). • Created and scaled Public-RH.fr job board (sold to Keljob.com): website, back office, SEO, partnerships and hosting selection. Selected tech: PHP, ASP, MySQL, SQL Server, JSP Achievements: Startup successful exit

Company funded by Europ@Web (Bernard Arnault Group) – France (C2C Auction marketplace, 130 employees, 850,000 members, 30 million page views per month) • Led specifications/QA and production operations across 7 European countries; interface between marketing country managers and the technical team. • Owned planning, functional testing and go/no-go processes prior to releases; ensured monitoring and maintenance procedures with hosting/ISP partners. • Supported high-traffic marketplace operations (850k members; 30M page views/month). Selected tech: ASP, SQL Server

Responsible for the creation and development of a profit centre. In charge of commercial & financial aspects, management, recruitment, consultants career management. Sectors: automotive, railway, energy, telecom…

DCN International is the commercial arm for promoting & selling military naval ships abroad In charge of international competitive bidding in Philippines and Columbia, partnered for Norway (400M€++): • Project management and coordination of the various stakeholders (DCN institutes, industrial and French or foreign companies), support for various industrial ventures (co-contracting, subcontracting, partnerships, work with Offset manager) • Analysis of tenders issued by customers (ministries of Defense, Navy), definition of products (frigates, patrol boats) to submit with tech teams (naval architects, propellers, engines specialists, etc.) • Presentation of offers to clients and coordination of the technical phase of negotiations • Product promotion (Analysis of competitive products, ) • Customers follow-up on Naval Exhibition (Euronaval) And in parallel, Head of the offers team (4 people) • Audit and reorganization of the service (establishing procedures, implementation of a Lotus Notes Groupware solution, organization archiving, presentation and implementation of presentation tools, training) • Daily management of people and equipment • Change management

In charge of debugging a VRTX Multi-Terminal Services Demonstrator allowing remote access through pagers to home automation services on electricity meters before the deployment of 18000 terminals in customers houses