Senior Backend Developer, Internal Platform

HelsinkiCompetitive0 applicants

About this role

Imagine a future where everyone has instant, low-cost access to powerful computing resources. We're building a fully featured European cloud computing platform, with everything one needs to run, scale, and deploy applications and workloads. And our infrastructure runs on 100% renewable energy.

About the role

We are hiring an experienced backend developer for our internal command center: the system of record for every GPU, node, rack, and cluster we operate. It tracks hardware lifecycle from procurement to decommissioning, real-time fleet health, capacity allocation across customers and pools, and how consumption reconciles against contracts and revenue. Every internal team will rely on what you build.

Being the early backend hire means larger ownership and expectations. You will design and own the core domain models, event-driven workflows, and integrations against live infrastructure telemetry, provisioning, billing, and incident tooling, and you will set the engineering standards others will follow as the team builds out around you. We are looking for someone who reads that as an opportunity, not a warning.

Your responsibilitiesDesign and build the backend services for our internal platform

Own data modeling for systems where correctness matters: lifecycle state machines, audit trails, and event histories that operators must be able to trust

Build and maintain integrations with GPU telemetry, provisioning, billing, PagerDuty, and ticketing systems

Design APIs consumed by internal teams and, over time, by automation across the platform

Drive performance, reliability, and data freshness

Raise the bar on CI/CD, test coverage, and deployment practices

Apply information security principles to engineering decisions

Work closely with Cloud, SRE, datacenter teams and sales, and communicate clearly with stakeholders across the company

Your key competencies5+ years of backend engineering experience, with systems you have owned end to end in production

Strong proficiency

EU Requirements

Job Details

Posted5 September 2026
Closes5 October 2026

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