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Black Semiconductor

Graphene photonics enable optical chip interconnects

Senior General Ledger Accountant

Financial AccountingConfirmed live in the last 24 hours
Full-timeAachen, Germany

About the Job

Requirements

  • Several years of professional experience in general ledger accounting, financial accounting, or closing.
  • Substantial experience preparing monthly, quarterly, and annual financial statements.
  • Strong knowledge of German accounting rules and relevant German Commercial Code requirements.
  • Experience in operational accounting and willingness to take responsibility for day-to-day work.
  • A hands-on approach and a strong sense of responsibility.
  • Interest in developing existing processes and actively shaping structures in a growing company.
  • Very good written and spoken German and English.

Responsibilities

  • Take joint responsibility with the team for the general ledger and ensure reliable, high-quality financial accounting.
  • Own the monthly, quarterly, and annual financial statements and maintain a structured, efficient closing process.
  • Perform operational accounting tasks and account reconciliations, ensuring high-quality financial data.
  • Review and develop accounting processes and create efficient, scalable structures with the finance team.

About the Company

Black Semiconductor

Graphene photonics enable optical chip interconnects

Black Semiconductor develops graphene-based photonics that integrate optical components into the outer layers of CMOS-like chips, enabling direct optical chip-to-chip communication. It works by using graphene as a translator to convert electronic signals to optical signals and back, so electrons on silicon can talk to photons through integrated photonic interconnects. This approach differs from traditional silicon photonics or pure electronic interconnects by being CMOS-compatible, wafer-scale, and capable of linking multiple chips as a single high-performance unit while reducing production steps by about 60%. The company aims to move from pilot production to mass manufacturing, building a 300mm wafer facility (FabONE) in Aachen, with pilot production by 2027 and mass production by 2031, backed by a large European funding round and investors.

Company size
51-200
Company stage
Series A
Total funding
$287.4M
Headquarters
Aachen, Germany
Founded
2020

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