Senior AI Platform Engineer

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profile Job Location:

Sofia - Bulgaria

profile Monthly Salary: Not Disclosed
Posted on: 8 hours ago
Vacancies: 1 Vacancy

Job Summary

Senior AI Platform Engineer

We are entering a new era of AI agents transforming everyday work! Our partner is building cutting-edge AI solutions to support construction engineers and architects in tackling complex challenges. Partnering with leading U.S. construction companies and institutions and aiming to revolutionize the Architecture Engineering and Construction (AEC) industry.

Born from the industrys need for smarter project management this recently funded start-up has already earned the trust of multiple clients in the US. Their technology is driving real-world impact streamlining workflows and improving every phase of the construction process.

Would you like to join a team of world-class engineersspanning software AI and constructionshaping the future of AEC

About the Role

Were building the intelligence layer that powers AI agents for architecture and engineering workflows. As a Senior AI Engineer you will design optimize and scale the systems that enable our platform to understand analyze and reason over large volumes of technical documents drawings and structured data.

This role blends backend engineering LLM pipelines and applied AI research. You will work across RAG systems agent workflows data preprocessing and integration of new foundation model capabilities.

What Youll Work On

  • Build and improve LLM-powered pipelines: comprehension reasoning extraction summarization Q&A.
  • Develop multi-step AI agent workflows
  • Architect efficient RAG systems (context management chunking prompt optimization).
  • Implement scalable ingestion & preprocessing for documents drawings and embeddings.
  • Evaluate and integrate new foundation models APIs and model capabilities.
  • Work with backend engineers to ship robust AI services to production.
  • Optimize for performance cost-efficiency observability and reliability.

Your Background

  • 5 years engineering experience with a strong backend or ML systems focus.
  • Hands-on experience building LLM or NLP-powered features in production.
  • Strong Python skills; experience with FastAPI or similar.
  • Experience with AI agents orchestration frameworks
  • Knowledge of search systems embeddings and modern retrieval patterns.
  • Comfortable working with cloud services (AWS preferred)

Nice to Havе

  • Experience with model evaluation frameworks.
  • Familiarity with vector databases OpenSearch or Elasticsearch.
  • Knowledge graphs - structures knowledge representation.

Perks andBenefits

  • Hybrid job with a modern office 2 times per week in Sofia
  • 25 days PTO
  • Options package
  • Teambuilding abroad
  • Competitive salary recognizing your expertise
  • A supportive fun team where your ideas matter
  • A dynamic creative work environment
  • Work with solidly funded AI startup in a $5 Billion industry
  • Growth opportunities


Interview Process

  1. HR Interview
  2. Interview with Hiring Manager
  3. Technical AssignmentandTechnical Discussion
  4. Final Interview

Apply Now by sending your CV in English with contact details in it ;)

Only shortlisted candidates will be invited to an interview.

Your job search is strictly confidential.

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Senior AI Platform EngineerWe are entering a new era of AI agents transforming everyday work! Our partner is building cutting-edge AI solutions to support construction engineers and architects in tackling complex challenges. Partnering with leading U.S. construction companies and institutions and ai...
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Key Skills

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

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