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Lead Architect - Digital Assets

MlabsParis, FrancePosted 17 Oct 2026

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About this role

We are hiring on behalf of our client, an established, leading European regulated financial institution who is expanding its digital assets capabilities to build the next generation of financial market infrastructure. The organization is seeking a Lead Architect – Digital Assets to lead a zero-to-one build, bridging traditional capital markets with decentralised finance (DeFi). This mandate involves architecting the core platform behind initial tokenised offerings across two major live initiatives currently in design: Tokenised Issuance, Trading, and Settlement Platform: Supporting equities, ETFs, and bonds with a 24/7 central limit order book, fractional trading, CCP-cleared trades, and end-of-day atomic DvP settlement on-chain.

Tokenised Collateral-Management Platform: Designed for sovereign bonds to enable real-time repo, CCP-margin eligibility, and DeFi distribution of government securities through gated lending venues. The architecture is built on core principles: the token serves as the direct financial instrument, one ISIN corresponds to one ledger, and tokenisation is driven directly by the CSD. The Lead Architect will turn these principles into a concrete, secure, resilient, and auditable infrastructure.

Requirements Architecture & System Design: Own the end-to-end architecture for digital asset solutions, seamlessly integrating distributed ledger technology (DLT) with traditional market infrastructure (trading, clearing, settlement, custody, and CSD). Cross-Chain & Network Topology: Design cross-chain topology combining permissioned chains for institutional and CCP operations (e.g., Hyperledger Besu, Canton Network) with public chains for DeFi distribution (Ethereum / L2).

On-Chain Compliance & Governance: Define regulatory compliance frameworks on-chain, utilizing regulated security-token standards (ERC-3643 / T-REX), KYC-whitelisted wallets, automated transfer restrictions, real-time AML screening (Chainalysis / Elliptic), and transaction reporting under MiFIR. Custody & Key Management: Architect robust custody models around MPC solutions (e.g., Fireblocks, Taurus), incorporating hybrid frameworks to support bring-your-own-custody (BYOC) for institutional clients.

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Security & Quality Standards: Establish code quality, code review, testing, and secure-by-design standards. Conduct threat modelling and lead security architecture prior to onboarding a dedicated security lead. AI-Augmented Software Delivery: Define, implement, and govern an AI-assisted software delivery process using coding assistants, smart-contract scaffolding, and AI-generated test suites while enforcing strict risk and review guardrails.

Cross-Functional Collaboration: Partner with product, legal, regulatory, clearing, CSD, and client working groups to maintain alignment with business objectives and regulatory frameworks (e.g., DLT Pilot Regime, MiFID II, MiCA). Technical & Operational Leadership: Make key build/buy/partner evaluations on blockchain networks, custody, and audit solutions. Guide team evolution as products move from build to operational phases, maintaining hands-on involvement during critical incidents.

Requirements Experience: Minimum 7 years of solution architecture experience, including at least 3 years dedicated to DLT or blockchain projects within high-value, 24/7 financial systems. DLT & Distributed Systems Expertise: Deep fluency with EVM and permissioned chains (e.g., Canton, Hyperledger Besu). Regulated Token Standards: Hands-on experience with regulated security token standards (ERC-3643 / T-REX or equivalent), on-chain compliance models, and security considerations around smart contracts and cross-chain bridges.

Capital Markets Knowledge: Strong working knowledge of capital markets settlement mechanisms (delivery-versus-payment, CSD operations, CCP/clearing) to effectively design system integrations. AI Engineering Competency: Proven ability to evaluate, select, and integrate AI tooling into the development lifecycle (e.g., testing, scaffolding) while establishing strict guardrails around prompt hygiene, secret security, and license provenance.

Ability to specify in-product AI capabilities (e.g., anomaly detection) with proper risk controls. Leadership & Communication: Strong decision-making skills and composure under pressure. Excellent stakeholder management skills to bridge technical, business, legal, and regulatory domains. Education: Bachelor’s degree in Computer Science, Engineering, or a related technical field. Professional certifications in cloud or blockchain technologies are advantageous.

Work Arrangement: Openness to work onsite in Paris, France, 4 days per week. Benefits Competitive annual salary (€100,000 – €120,000). Key role within a high-visibility, zero-to-one build backed by an established, Tier-1 European financial institution. Exposure to cutting-edge capital markets infrastructure and regulatory frameworks (MiCA, DLT Pilot Regime). Comprehensive employee benefits package as provided by our client.

Due to the high volume of applications we anticipate, we regret that we are unable to provide individual feedback to all candidates. If you do not hear back from us within 4 weeks of your application, please assume that you have not been successful on this occasion. We genuinely appreciate your interest and wish you the best in your job search. Commitment to Equality and Accessibility: At MLabs, we are committed to offer equal opportunities to all candidates.

We ensure no discrimination, accessible job adverts, and providing information in accessible formats. Our goal is to foster a diverse, inclusive workplace with equal opportunities for all. If you need any reasonable adjustments during any part of the hiring process or you would like to see the job-advert in an accessible format please let us know at the earliest opportunity by emailing ----- Ltd collects and processes the personal information you provide such as your contact details, work history, resume, and other relevant data for recruitment purposes only.

This information is managed securely in accordance with MLabs Ltd’s Privacy Policy and Information Security Policy, and in compliance with applicable data protection laws. Your data may be shared only with clients and trusted partners where necessary for recruitment purposes. You may request the deletion of your data or withdraw your consent at any time by contacting ----- Find more English Speaking Jobs in France on Arbeitnow

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