AdTech Client #1 | AI Developer

SD Solutions

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Warsaw, PL / Serbia / Romania Until 9/21/2026 6+ years exp First posted July 23, 2026 Last posted July 23, 2026
Job description

On behalf of AdTech Client #1, SD Solutions is looking for a Senior AI Engineer to join Gen AI team within the Apps Engineering Group in Tel Aviv. You will join a team that is developing Nexxen's next-generation Conversational Agents, designed for seamless integration across our platforms.

SD Solutions is a staffing company operating globally. Contact us to get more details about the benefits we offer.

Responsibilities:

  • Develop and implement innovative AI-driven solutions to advance platform capabilities.
  • Work closely with different stakeholders, including developers, product managers, and business operations, to align goals and outcomes.
  • Lead the development of Conversational Agents, from concept design to production deployment.
  • Explore and research advanced AI technologies and integrate with external APIs and services.
  • Lead and mentor other developers, providing guidance and expertise on complex projects.

    Requirements:

    • BSc in Computer Science or related degree.
    • 6+ years of experience in building customer-facing full-stack applications.
    • 2+ years of hands-on experience with Python- a must!
    • Deep understanding of large language model (LLM) core concepts and usage, including prompting and reasoning strategies - a must!
    • Proficiency with SQL and NoSQL databases
    • Experience in designing agentic workflows- an advantage
    • Experience with Node.js, particularly Nest.js
    • Experience with Langchain or Langraph - an advantage
    • Excellent spoken and written English skills.
    • Proactive, collaborative mindset with a passion for impacting engineering teams, products, and customers.

      About the company:

      A large-scale advertising technology company building audience intelligence and campaign automation tools for brands, agencies, and publishers across multiple digital channels. The platform processes vast data volumes to enable programmatic decisions and measurable business outcomes at a global level.

      By applying for this position, you agree to the terms outlined in our Privacy Policy. Please take a moment to review our Privacy Policy https://sd-solutions.breezy.hr/privacy-notice, and make sure you understand its contents. If you have any questions or concerns regarding our Privacy Policy, please feel free to contact us.

      About this role

      Summary

      Develop AI-driven solutions, lead conversational agent projects, collaborate across teams, mentor developers.

      Job title

      AI Developer

      Experience level

      senior level

      Minimum experience

      6+ years exp

      Industry

      software

      Location requirements

      remote options available, candidates situated in Warsaw, Serbia, or Romania

      Salary

      Not specified

      Management role

      No

      Skills & keywords

      Required skills

      PythonSQLNoSQLdeep understanding of LLMspromptingreasoning strategiesNode.jsNest.js

      Preferred skills

      agentic workflowsLangchainLangraph

      Specializations

      AIlarge language modelschatbotsfull-stack applications
      Locations

      Structured locations inferred from the posting.

      Warsaw, Poland

      Remote City

      Straža, Serbia

      Remote City

      50055 Romanina, Metropolitan City of Florence, Italy

      Remote City