Senior AI Engineer

Cosuno

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profile Job Location:

Berlin - Germany

profile Monthly Salary: Not Disclosed
Posted on: Yesterday
Vacancies: 1 Vacancy

Job Summary

Your mission

Join our AI team and build the intelligent systems at the core of Cosunos platform!

  • AI Agent Development: Build and improve our agentic system that orchestrates multi-step reasoning to navigate the complex often messy tendering workflow.

  • Ranking & Search: Design and iterate on ranking algorithms and retrieval systems that power subcontractor matching and marketplace search

  • Price Prediction: Improve models that estimate fair pricing for construction work helping users evaluate bids and make better procurement decisions

  • ML Pipelines End-to-End: Design and own the full ML lifecyclefrom model architecture and evaluation to data ingestion and production deployment.

  • Experimentation & Evaluation: Design and run offline evaluations online A/B tests and metrics-driven iterations to continuously improve model quality

  • Collaborate across teams: work with Product Engineering and Data to translate business problems into ML solutions

  • Maintain production ML: monitoring alerting and continuous improvement of deployed models

Your profile

  • Strong Python engineer first: 5 years of experience writing production-grade Python. You write clean well-structured code.

  • Deep expertise in at least one of classical ML or LLM applications: Strong foundations in both areas with depth in at least one. Of particular interest would be deep experience building and deploying one or several of:

    • Price prediction or forecasting

    • Search ranking recommendation systems

    • Conversational agents

  • Backend engineering skills: Comfortable building APIs data pipelines and services.

  • Product mindset: Comfortable with ambiguity and able to judge when to ship something that is good enough.

  • Sharp problem solver: You can look at a complex system quickly identify what matters and decide what to do next. You dont get overwhelmed by ambiguity.

  • Bias for action: If youre not sure whether something will work out your first instinct is to quickly find out with data rather than keep wondering.

Bonus

  • Masters/PhD in ML CS Statistics or related field

  • TypeScript experience for cross-team collaboration

Why us

  • Shape a product that solves real-life problems in the construction industry

  • Work in an open-minded collaborative dynamic and international team

  • Fully remote team and work culture

  • Freedom in your working hours. Its the results that count.

  • Company off-sites and regular team events (offline and online)

  • Flexible working conditions with the possibility to do workations

  • Competitive compensation a permanent contract and modern work equipment

  • Open feedback culture with regular 1-on-1s

About us

Cosuno Revolutionizing construction through technology.

We are Cosuno a fast-growing tech startup that is making the construction industry more efficient and transparent with our digital platform for tenders and procurement processes. Our goal: to solve the most complex challenges in the industry with innovation and simplicity.

Why Cosuno

Artificial intelligence is the key to our solution: it analyzes millions of price data points and helps construction companies create precise and efficient bids. This not only saves our customers time but also helps them avoid unnecessary costs.

But for us its not just about technology its about the people who drive it. At Cosuno you will work with creative minds who are reshaping the construction industry. We believe in diversity because we know that the best ideas come from different perspectives. An integrative and inclusive work environment is a matter of course for us.

Join us Build the future of construction.


Required Experience:

Senior IC

Your missionJoin our AI team and build the intelligent systems at the core of Cosunos platform! AI Agent Development: Build and improve our agentic system that orchestrates multi-step reasoning to navigate the complex often messy tendering workflow.Ranking & Search: Design and iterate on ranking alg...
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Key Skills

  • APIs
  • C/C++
  • Computer Graphics
  • Go
  • React
  • Redux
  • Node.js
  • AWS
  • Library Services
  • Assembly
  • GraphQL
  • High Voltage

About Company

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Manage your whole project cycle with the Cosuno platform. Send bids, receive offers, and benefit from negotiating for the best prices.

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