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Senior Backend Engineer, AI Platform (100% remote-friendly within Poland)
Senior Backend Engineer, AI Platform (100% remote-friendly within Poland)Docplanner Tech • Warszawa, Województwo mazowieckie, Polska
Senior Backend Engineer, AI Platform (100% remote-friendly within Poland)

Senior Backend Engineer, AI Platform (100% remote-friendly within Poland)

Docplanner Tech • Warszawa, Województwo mazowieckie, Polska
5 days ago
Job description

Senior Backend Engineer, AI Platform (100% remote-friendly within Poland)

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Job Description

We’re laying the groundwork for the future of AI at Docplanner—scalable systems, multi‑agent architecture, MCP servers and seamless integration into our products. We’re looking for a Senior Software Engineer with a strong Software Engineering background and AI Engineering experience to join our team.

Area of Work

AI Platform team is a part of the Internal Platform area and nowadays consists of 2 Platform Engineers and 2 Software Engineers. As AI needs are growing, we are intensely growing that team to be “The Magnificent Seven”.

The Team Is Accountable For 2 Main Objectives

  • Designing, building and maintaining the company's AI infrastructure. Ensuring high availability, scalability, security and cost efficiency.
  • Adopt new technologies like MCP and A2A.

What are the challenges in the team?

  • Dynamic environment with rapid changes. Both AI technology and business around it are changing super fast, and we need to keep up with our goals. For example, OpenAI announcing Apps SDK changed our quarter goals.
  • Working with different technologies. Main backend technologies are C# and .NET, but for many AI projects we are using Python. And all of that connected with big distributed system with multiple services.

    • What You’ll Do

  • Design and implement scalable systems for AI Agents, MCP, and emerging architectures.
  • Adopt new technologies coming up with AI.
  • Build internal tools that empower product teams across Docplanner.
  • Ensure reliability, security, and cost efficiency of AI infrastructure.
  • Work cross-functionally to accelerate AI adoption in our products.

    • Qualifications

  • Strong software engineering background (Python + C#, PHP, or Java experience a plus).
  • Exposure to distributed systems and managing services at scale.
  • Experience building or deploying ML / LLM solutions (e.g., fine-tuning, RAG pipelines, model evaluation, production APIs).
  • Understanding of software architecture and engineering best practices (REST, SOLID, GRASP, GIT, CI / CD, DDD, TDD, Clean, Agile, etc).
  • Familiarity with data pipelines, model orchestration, and prompt engineering.
  • Growth mindset and comfort in a fast-changing environment.
  • English fluency (B2+).

    • Nice to have

  • Experience with AI / ML tools (LangChain, LlamaIndex, etc.).
  • Knowledge of RAG pipelines and MLOps practices.
  • Cloud platform expertise (GCP, AWS, Azure).
  • Exposure to other OOP stacks (.NET, PHP).

    • Additional Information

  • A salary adequate for your experience and skills.
  • Share options plan after 6 months of working with us.

    • True flexibility and work‑life balance

  • Remote or hybrid work model with or hub in Warsaw.
  • Flexible working hours (fully flexible, as in most cases you only have to be on a couple of meetings weekly).
  • 26 days of paid time off.
  • Additional paid day off on your birthday or work anniversary (you choose what you want to celebrate).

    • Health comes first

  • Private healthcare plan with Signal Iduna for you and subsidized for your family.
  • Multisport card co‑financing for you to have access to sports facilities across Poland.
  • Access to iFeel, a technological platform for mental wellness offering online psychological support and counseling.

    • Keep growing with us

  • Free English classes.

    • Equal Opportunity Statement

    We promote and embrace equal opportunities in our hiring process, and also every day at work. When you apply for our roles you receive equal treatment regardless of age, disabilities, gender reassignment, marital or civil partner status, pregnancy or parental status, race, color, nationality, ethnic or national origin, religion or belief, sex, sexual orientation or any other dimension of human difference. If you require additional support in your recruitment process, we kindly encourage you to let us know.

    “We believe all humans, in all their beautiful diversity, should have equal rights, dignity and respect. Period.” Mariusz Gralewski, CEO

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    Senior Backend Engineer • Warszawa, Województwo mazowieckie, Polska