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With Tess (gotess.de) we are building the first AI-agent for SMB-accounting on top of DATEV (Germany's most widely used legacy accounting software). Leveraging LLMs and AI-powered automation, Tess empowers accounting firms close books in record speed, thereby helping accounting firms tackle an industry-wide shortage of skilled talent.
📈We are growing extremely fast: We already serve >100 accounting firms, >600 bookkeepers and process >5,000 invoices per day.
Backend Engineer
As Backend Engineer, you’ll partner directly with Lukas, our Founder & CTO, and play a pivotal role in building the backbone of our AI-driven accounting engine. You’ll be close to the core logic, the data, the integrations — and the accounting magic. You will:
- Architect and expand the backend services that power document processing, reconciliation, and workflow automation
- Build reliable, high-throughput pipelines that ingest, normalize, and enrich accounting data
- Integrate deeply with DATEV and third-party financial systems
- Work closely with frontend and AI teams to deliver features end-to-end
- Own systems across their lifecycle — from design to deployment to continuous iteration
- Ensure our platform is fast, secure, resilient, and ready to scale with 10x more volume
What You Bring
- Solid backend engineering track record building and scaling data-heavy, business-critical applications
- Strong experience with modern backend stacks
- Familiarity with databases, event-driven architectures, APIs, and distributed systems
- A strong ownership mindset — you ship, you iterate, you raise the bar
- Excellent English communication (German not required)
What We Offer
- Real product ownership: Come in early and shape core platform architecture
- Senior-level mentorship: Work closely with seasoned founders and engineers
- Category-defining potential: Build infrastructure that could power tens of thousands of SMBs
Apply via LinkedIn or careers@gotess.de 🚀
Seniority level
- Mid-Senior level
Employment type
- Full-time
Job function
- Engineering and Information Technology
- Software Development
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