Senior Product Builder

Responsibilities: — Take over Hub's fleet propagation mechanism from the team building its first version, making it work for access, secrets, tenants, licences, and custom roles. — Write concise design documents for foundational changes, get them reviewed by dependent teams, and implement tested, shipped code. — Design system behavior for failure scenarios including offline clusters, partial failures, Hub outages, and cluster adoption or detachment. — Build the path from clusters to Hub, starting with deployment inventory, health, audit records, and licence status. — Design Hub's first event and webhook mechanism to enable admins and agents to react to changes without polling. — Participate in pod rotations and Hub on-call duties, and assist other builders with backend work through reviews, guidelines, and contract tests. Requirements: — Experience building and running backend systems in production that other teams or customers depend on. — Ability to take ownership of undefined problems, design solutions, plan, and deliver shipped code. — Strong product judgment for technical users, communicating effectively with API users and making trade-offs. — Clear and concise writing skills for asynchronous remote team collaboration. — Focus on system behavior during failures, not just the happy path. — Must have designed and shipped a control plane or similar system that pushes desired state to many targets. — Knowledge of outbox or event-log patterns, idempotent apply, versioning, retries, and drift reconciliation. — Senior backend engineering experience in Java, including API design, relational data models, and multi-tenant SaaS services. — Hands-on experience with Helm and Kubernetes for self-managed installations. — Expertise in software architecture and failure analysis, including partial failure, blast radius, and consistency trade-offs. — Experience debugging production incidents in distributed systems and readiness for on-call duties. — Experience shaping an API or platform as a product and writing design documents for other teams. — Ability to gain agreement across teams without formal authority. — Builds AI-first from written specifications and carefully checks AI output. Nice to Haves: — Experience with Kubernetes operators or GitOps tools such as Argo CD. — Familiarity with OIDC, SCIM, permission models, secret managers, and licence systems. — Experience with Camunda 8 or other workflow/orchestration engines. — Frontend skills sufficient to build a thin UI on top of backend capabilities. Benefits: — Competitive, fair, and transparent compensation with location-based salary ranges. — Annual Total Target Cash includes base salary plus 100% variable target where applicable. — Equity offered through Virtual Stock Option Plan (VSOP) where applicable. — Remote and flexible work environment with home office budget, co-working space support, and flexible time off. — Opportunities for in-person connection through annual kickoffs, team offsites, and local gatherings. — Health and wellbeing benefits including locally tailored healthcare, mental wellbeing support, and a Live Well Lifestyle Spending Account. — Financial security benefits such as retirement and pension plans, life and disability insurance. — Professional growth support with up to $/€/£1,000 per year for self-driven learning including courses, certifications, and books.