Senior Mobile Platform & Backend Architect

Alphasense; Helsinki; Hybrid; EUR 120,000 - 180,000; Full time

Benefits offered by this job

Relocation support

Private healthcare

Gym room

Free parking near office

Lunch benefit

Job summary

AlphaSense is seeking a Principal Engineer for Mobile Platform & Backend Systems to drive architectural direction across client-facing APIs and backend services. Based in Helsinki, you will influence multiple engineering teams, deliver scalable, production-ready systems, and supervise identity, auth, and security concerns for web and mobile platforms.

You will collaborate with product and engineering leaders to align technology decisions with customer value, mentoring teams and shaping

Qualifications

• Proven backend and distributed-systems expertise with cross-team impact.
• Strong hands-on coding with production contributions.
• Experience designing client-facing REST and GraphQL APIs.
• Knowledge of authentication, entitlements, and sessions.

Responsibilities

• Set technical direction for client-facing APIs and backend architecture.
• Lead across engineering to align priorities and architecture.
• Deliver services spanning teams and prove them in production.
• Shape identity and access across Web and Mobile.
• Mentor engineers and foster reusable patterns.

Skills

Backend engineering

Distributed systems

REST & GraphQL APIs

Authentication & security

Observability & reliability

Technical leadership

Product collaboration

Tools

Auth0

Kafka

GraphQL

Job description

AlphaSense is seeking a Principal Engineer for Mobile Platform & Backend Systems to drive architectural direction across client-facing APIs and backend services. Based in Helsinki, you will influence multiple engineering teams, deliver scalable, production-ready systems, and supervise identity, auth, and security concerns for web and mobile platforms.

You will collaborate with product and engineering leaders to align technology decisions with customer value, mentoring teams and shaping