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Principal Engineer, Mobile Platform & Backend Systems

Helsinki💼 Full-time🗓 2026-09-07 → 2026-09-26

Core

Designing and delivering shared backend systems and client-facing APIs that power AI-powered mobile workflows for enterprise customers.

Role type

Principal Engineer, Mobile Platform & Backend Systems

Builds

Shared backend services, client-facing APIs, identity/access systems, and distributed infrastructure for mobile and web clients.

Domain

Enterprise SaaS, AI-powered market intelligence, mobile platforms

Deliverable

production ML models | product features | infrastructure

Required skills

distributed systems architecture, backend engineering, REST/GraphQL API design, authentication and authorization, observability, technical leadership, cross-team influence

Preferred skills

AI-powered search workflows, enterprise identity management (Auth0, Microsoft), multi-tenant configuration, event-driven architectures (Kafka)

Technologies

REST, GraphQL, Kafka, Auth0, Microsoft identity

Responsibilities

Set technical direction for client-facing APIs and backend architecture; lead delivery of services spanning team boundaries; shape shared identity and access systems; coach engineers and build reusable patterns; align technical priorities with customer and product needs

Seniority

Principal, hands-on IC with strategic influence

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