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Clera

Software Engineer - AI

Clera

Location
Onsite (Berlin, Berlin)
Compensation
€80k - €120k/yr
Employment
Full-time
Level
Mid Level
Posted 4 days ago

About the Role

Clera is building AI-powered tools for construction professionals. This role involves owning end-to-end AI features, from concept to production, while contributing to platform foundations and data pipelines to support scalable applications.

Skills

TypeScript Python SQL Full-stack development LLM APIs AWS Data pipelines ETL workflows Vector databases Semantic search Evaluation frameworks Fastify Prisma Construction domain ontology Document processing

Full job details

About the Role

This is a full-stack AI software engineering role on a 15-person product and engineering team building AI-powered tools for construction professionals. You will own end-to-end AI features from concept through production while also contributing to the platform foundations that make new use cases fast to ship. Your work will shape both customer-facing experiences and the infrastructure beneath them.

What You'll Do

  • Build and own end-to-end AI features including document versioning and agentic chat workflows, from database schema through to UI.

  • Manage evaluations, scoring, and error analysis on new and shipped AI features to maintain quality in production.

  • Contribute to the workflow harness, decision-trace standard, and evaluation tooling that accelerates shipping new use cases.

  • Build reusable human review and approval surfaces that build trust in AI output.

  • Model and evolve a construction domain ontology and project graph, including entity resolution across documents such as bills of quantities, contracts, and drawings.

  • Design features that link answers to evidence and make decisions auditable and traceable.

  • Extend multi-modal ingestion of unstructured documents including PDFs, scans, drawings, and 3D models at scale.

  • Build read/write integrations with customer systems such as document management platforms and ERPs.

  • Contribute to scalable data pipelines and support native BIM and DWG file processing.

What We're Looking For

  • 3 or more years of experience as a full-stack software engineer delivering production-grade applied AI features to customers.

  • Proficiency with TypeScript, Python, and SQL for building full-stack applications.

  • Experience building backend APIs and database schemas using frameworks such as Fastify, Prisma, or equivalents.

  • Experience integrating and optimizing LLM APIs (OpenAI, Azure, Gemini, Cohere, or similar).

  • Experience with cloud infrastructure such as AWS (RDS, S3, Elastic Beanstalk) or equivalents.

  • Experience building data pipelines and ETL workflows for processing unstructured data at scale.

  • Experience with vector databases and semantic search implementations.

  • Experience designing and implementing evaluation frameworks and error analysis for AI systems.

  • A track record of building internal platform or developer-facing tooling that other engineers ship on top of.

  • B2B product experience in a startup or early-stage company environment.

  • Fluent spoken and written English; German is a bonus but not required.

  • Nice to have: experience with workflow orchestration tools (Prefect, Airflow, or similar), document processing or OCR, and observability tools (Datadog, Langfuse, or similar).

Compensation & Benefits

Salary range: 80,000 to 120,000 EUR annually. Visa sponsorship is not available for this role.

Location

On-site, five days per week in Berlin, Germany. Candidates must be based in Berlin or willing to relocate.