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ONEiO

Head of Finance

ONEiO

Head of Finance at ONEiO responsible for finance operations and insightful reporting for SaaS business growth.

Posted 5/23/2026full-timeHelsinki • 🇫🇮 FinlandLeadWebsite

About the role

Key responsibilities & impact
  • Take full responsibility for our finance calendar, monthly financial reporting, and board materials, ensuring they are accurate, timely, and credible.
  • Develop and maintain reliable, rolling forecasting models—including cash flow, cost developments, recruitment planning, and Annual Recurring Revenue (ARR).
  • Monitor our runway and cash flow closely, providing management with the clear visibility needed to support global hiring and investment decisions.
  • Act as the primary owner of our relationship and daily cooperation with external accounting partners.
  • Oversee foundational financial routines (invoicing, payments, cost control) and systematically improve them by automating manual, repetitive steps.
  • Support commercial decision-making by tracking performance drivers like sales pipeline versus targets, gross margin development, and regional or segment performance.

Requirements

What you’ll need
  • A solid background in finance and business controlling, with an understanding of how recurring revenue software (SaaS) businesses and metrics (ARR, NRR, churn) work.
  • A practical professional who is comfortable executing operational finance routines independently, collaborating with external vendors, and creating digital structure where it does not yet exist.
  • Exceptional spreadsheet modeling skills with the ability to move fluidly between deep details and the big strategic picture.
  • The ability to explain financial topics in plain language and the confidence to constructively challenge leadership with hard facts.
  • Excellent written and spoken English skills are required, as it is our primary working language across our international offices.

Benefits

Comp & perks
  • Clear Mandate: The backing and responsibility to establish stable, repeatable routines, automated workflows, and predictability across our entire finance function.
  • Close Leadership Collaboration: A role working directly with the management team and the board, ensuring they have the forward-looking visibility needed for key business choices.
  • Flexible Hybrid Setup: We value in-person collaboration and gather at the office on Mondays and Wednesdays, with a third day of your own choosing.
  • Tools & Perks: Choose your own equipment
  • Lunch benefit and Virike (sports & culture) benefit
  • Phone benefit
  • Free parking and EV charging benefits at the office
  • Comprehensive leisure time insurance

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
financial reportingforecasting modelscash flow managementcost controlinvoicingpaymentsspreadsheet modelingrecurring revenue metricsSaaSperformance tracking
Soft Skills
collaborationcommunicationstrategic thinkingproblem-solvingindependenceattention to detailconstructive challengeadaptabilitytime managementinterpersonal skills