Technical Lead - Core Services (Blockchain Applications) (Hiring Immediately)

We are looking for an experienced and technically-minded Product Owner to lead the product backlog and delivery priorities for a next-generation blockchain core services solution. This role bridges business objectives with technical execution, working closely with architects, engineers, and commercial stakeholders to drive value in a complex, multi-cloud, multi-ledger environment. While our offices are based in London (UK) and Zug (Switzerland), we welcome applications from qualified candidates across Europe. The platform is being built as a modular, containerised, microservices-based system to host identity, signing, tokenisation, wallet, and smart contract services with a multi-tenant, multi-chain delivery model. The ideal candidate will bring a deep understanding of product lifecycle management in modern PaaS environments and be able to work across cloud, blockchain, and enterprise integration domains. Key Responsibilities Product Ownership: Own and prioritise the product backlog in collaboration with the Programme Manager and Technical Architect. Translate stakeholder needs into well-defined technical user stories and acceptance criteria. Serve as the voice of the customer and internal users across the product lifecycle. Technical Stewardship: Understand and communicate core capabilities, including blockchain abstraction layers, multi-tenant architecture, and containerised microservices. Collaborate closely with DevOps, SRE, and engineering to ensure smooth CI/CD, observability, and operationalisation. Cross-Functional Coordination: Liaise with security, compliance, and legal to align product delivery with audit, ISO, and regulatory requirements. Coordinate cross-domain priorities (identity, tokens, payments, contracts) with application teams. Platform Roadmap Execution: Track delivery milestones across multi-phase releases and provide input into strategic planning. Lead stakeholder reviews and product demos at the end of each sprint. Marketplace & Partner Integration: Define onboarding workflows and support structures for third-party developers and partners. Ensure documentation, SDKs, sandboxes, and developer tooling are aligned with usage goals. Technical Domains You’ll Work With: Cloud-native infrastructure (Kubernetes, Helm, Argo CD, GitOps, Terraform, Vault/HSM) Microservice-based PaaS (API Gateway, RBAC, SSO, CI/CD, observability stacks) Multi-chain blockchain architecture (BSV, Ethereum, Hyperledger, Polkadot via adapters) Identity and access systems (OIDC, OAuth2, DID/VC, SCIM, RBAC) Token and wallet APIs (STAS, ERC standards, multi-sig custody, gas/miner fee engines) Event-driven systems and message brokers (NATS JetStream, Prometheus, Loki, OpenTelemetry) Compliance frameworks (GDPR, ISO/IEC 27001, 20000), fee engines, and multi-tenant billing systems Requirements: 5+ years in product ownership or technical product management, ideally in a SaaS or PaaS environment Proven experience working on infrastructure-heavy or platform-level products (e.g. cloud-native stacks, developer platforms) Strong understanding of APIs, containerised services, identity management, and blockchain concepts Familiarity with DevOps workflows, CI/CD pipelines, observability tools, and backlog grooming Excellent communication skills, especially in cross-functional and technical teams Nice-to-Have: Previous experience in a regulated environment (e.g. fintech, healthtech, govtech) Experience managing developer portals, SDK rollouts, or marketplace onboarding Background in digital identity, smart contracts, or decentralised systems Certifications in Scrum, Product Ownership, or Agile delivery frameworks techniques.