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AI Engineer

Scale3C

Role overview

Qualifications

  • 5+ years of overall software engineering experience
  • At least 5 successfully delivered AI/LLM projects
  • Hands-on experience with multiple LLM providers
  • Experience integrating LLMs into production software products

Responsibilities

  • Design, build, and deploy AI agents that automate real business processes
  • Integrate LLMs into existing software products, enabling AI features
  • Spot automation opportunities and turn them into working solutions
  • Own delivery end-to-end, from prototype to production

Key facts

Hard skills

Other skills

  • Consulting
  • Problem Solving
  • Adaptability

About the company

Scale3C logo

Scale3C

IT Services & IT Consulting

Scale3C is Mobile development and Outsourcing company based in Northern Europe with clients from USA, Canada and Europe. Main services: - UX/UI design - Staff augmentation / Out staffing / Outsourcing - Mobile development - Product management

Company details

Company typeSME
IndustryIT Services & IT Consulting
Company size51 - 200

Links

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Job description

Scale Tech is a software development agency based in Vilnius, Lithuania. We're expanding our AI capabilities and looking for an experienced AI Engineer to join us on a contract basis. If you love turning LLMs into real, production-ready automation, not just prototypes — this could be your next project.

Contract term (B2B) — 1–4 months, full-time. Part-time can also be arranged if that suits you better.
Working method — Remote, must be based in the EU/EEA
Hourly rate — €30–40/hour, depending on experience (open to discussing higher rates for the right candidate)


What you'll do:
  • Design, build, and deploy AI agents that automate real business processes (e.g. generating proposals for client tenders).
  • Integrate LLMs — including OpenAI, Gemini, Anthropic, and open-source models — into existing software products, enabling features like AI chatbots that can act directly within a client's systems and data.
  • Spot automation opportunities and turn them into working solutions.
  • Choose the right LLM/tooling approach for each use case, weighing cost, performance, and reliability.
  • Own delivery end-to-end, from prototype to production.

    • What makes you a great fit:
  • 5+ years of overall software engineering experience.
  • At least 5 successfully delivered AI/LLM projects.
  • Hands-on experience with multiple LLM providers (OpenAI, Gemini, Anthropic) as well as open-source models.
  • Experience building agentic workflows for process automation.
  • Experience integrating LLMs into production software products (chatbots, copilots, or similar AI-powered features).
  • Strong engineering fundamentals and the ability to work independently in a fast-moving, sometimes ambiguous environment.

    • Bonus points:
  • Experience with SaaS products, especially in supply chain, logistics, or other B2B software domains.
  • Familiarity with agent frameworks (LangChain, LlamaIndex, CrewAI, or similar).
  • Experience with prompt engineering or fine-tuning at scale.
  • Prior consulting or contracting experience
    • Ready to build?   Apply directly here, or send us your CV at hello@scaletech.lt - we'd love to hear about the LLM projects you've shipped.  

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    MR

    Marcus Rivera

    Chief Revenue Officer

    m.rivera@company.com
    linkedin.com/in/marcusrivera
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