CareerPlan

Senior Full-Stack Engineer

Helsinki, FinlandFull-time2026-10-06 → 2026-11-10

Core

Building and evolving a new Common case-management system powering support-case handling across DoorDash, Wolt, and Deliveroo.

Role type

Senior Full-Stack Engineer (Product Engineering)

Builds

Scalable backend services and React-based internal tools for support operators and administrators

Domain

SaaS / Customer Support Operations

Required skills

React, TypeScript, Backend services design, API design, Asynchronous workflows, Data modeling, Technical design, Incident response, Observability, Testing, Mentoring

Preferred skills

Go, Legacy system migration, Traffic shadowing, Multi-region systems

Technologies

React, TypeScript, Go

Responsibilities

Lead project-level Case Management initiatives from discovery to rollout; Build scalable backend services and agent-facing tools; Design reliable case-management capabilities including routing, assignment, and queue management; Partner with Product, Operations, and Data teams to define customer problems; Mentor engineers through code reviews and technical guidance.

Seniority

Senior, hands-on IC with mentorship responsibilities