Senior Full Stack AI/ML Engineer

At Mindbox we connect top IT talents with technology projects for leading enterprises across Europe.

We are looking for a highly autonomous AI/ML Engineer to design, build, deploy, and operate end-to-end AI/ML and Generative AI solutions at enterprise scale. This role is part of a major data transformation program enabling strategic initiatives for senior stakeholders by delivering business-critical insights, conversational AI systems, agent-based workflows, and advanced analytics solutions.

You will take full ownership of architecture, development, automated deployments, and post-production support of modern AI ecosystems, ensuring they are secure, scalable, compliant, and cost-optimized.

Sounds like your kind of challenge?

What you’ll be doing

Collaborate with stakeholders to translate business requirements into innovative AI solutions, maintaining compliance with security and governance standards.
Design and deliver production-grade AI/ML systems, including conversational AI, chatbots, agentic AI workflows, and RAG-powered applications.
Build secure and scalable cloud-native architectures, leveraging platforms like AWS, GCP or Azure.
Develop APIs, backend microservices, frontend components, and enterprise system integrations.
Implement MLOps/LLMOps practices: monitoring, evaluation, model versioning, rollback automation, and guardrails.
Optimize latency, reliability, and availability for real-time applications, ensuring <5s response time under expected workloads.
Ensure compliance with AI governance, security measures, and data privacy regulations including input/output guardrails and adversarial robustness.

Note: Detailed project information will be shared during the recruitment process.

What you get in return

Flexible cooperation model – choose the form that suits you best
(B2B, employment contract, etc.)
Hybrid work setup – 2 days from the office per week
Collaborative team culture – work alongside experienced professionals eager to share knowledge
Continuous development – access to training platforms and growth opportunities
Comprehensive benefits – including Interpolska Health Care, Multisport card, Warta Insurance, and more
High quality equipment – laptop and essential software provided

Who we’re looking for

7+ years of software engineering experience, including 3+ years delivering production AI/ML pipelines or applications.
Successfully delivered 2+ end-to-end AI solutions, including at least one enterprise conversational AI system deployed to production.
Expert-level Python and strong understanding of software patterns, automated testing, and ML frameworks (PyTorch, TensorFlow, Scikit-learn).
Hands-on experience with containerization and orchestration (Docker, Kubernetes), and automated deployments in cloud-native environments.
Deep experience with multiple LLM families (e.g., GPT, Claude, Gemini, Llama, Mistral), prompt engineering, function-calling, workflow orchestration, and memory/state management.
Proven experience delivering RAG systems (vector databases, hybrid search, embeddings, chunking, retrieval optimization).
Working knowledge of agent-based frameworks: LangChain, LangGraph, Google ADK, plus familiarity with LlamaIndex, Semantic Kernel, AutoGen, CrewAI.
MLOps/LLMOps tools (MLflow, Kubeflow), experiment tracking, compliance monitoring, model versioning, and automated evaluation frameworks (e.g., LangSmith, Ragas, DeepEval).
Experience applying input/output guardrails, RBAC, PII masking, red-teaming, and secure AI controls.

Nice to have:

Prior experience building enterprise AI platforms or reusable AI accelerators.
Familiarity with financial services regulatory environments and compliance workflows.

Joining this project you’ll become part of Mindbox – a tech-driven company where consulting, engineering, and talent meet to build meaningful digital solutions. We’ll back you up every step of the way, accelerate your development, and ensure your skills make a difference.

Senior Full Stack AI/ML Engineer

Kraków

B2B

1600 - 1800 PLN/MD net + VAT

Apply for position

I will handle your recruitment

Marek Lemański

SUPPORT & BENEFITS

Private healthcare

Fast access to doctors and medical tests.

Mindbox fully covers the individual package. You can extend the coverage to your partner and family on preferential terms. A wide network of medical providers and clear rules for everyday use.

Multisport

Energy that pays off.

We cover 50% of the card cost. You get access to thousands of sports facilities across Poland, plus a convenient mobile app. Additional cards for family members are available.

Training & development

Practical support for your career growth.

We co‑fund courses, certifications and conferences under a clear Training Policy. You also get access to a library of recorded webinars and trainings – available whenever you need them.

Eyewear or contact lenses co‑funding

Clear vision means comfortable work.

Up to PLN 500 every two years, with an additional PLN 300 available in justified cases. Simple reimbursement, regardless of your form of cooperation.

Group life insurance

Real protection from day one.

Option I is fully funded by Mindbox, Option II is co‑funded. You can include your partner and adult children, with coverage that also applies to treatment and hospitalisation abroad.

Ongoing support from the Talent Network Development

You’re not on your own in a project.

Regular contact, quick response and a partnership‑based approach. You focus on your work — we help take care of the rest.

Regular integration meet‑ups

Relationships that work beyond the project.

Cyclical meet‑ups for contractors in major cities across Poland. A space to talk, exchange experience and stay in real contact with the Mindbox team.

Annual company‑wide integration

One event. The whole community.

A two‑day company gathering with accommodation, transport and a full activity programme. Time to connect teams from across Poland and build shared experiences.