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Principal Applied AI Engineer
Location
Poland
Posted
67 days ago
Salary
zł38K - zł45K / month
Seniority
Lead
Job Description
Principal Applied AI Engineer
ButterCMS 🧈
• Solve high-impact problems across product and internal systems, identifying where AI or automation can create real value. • Work closely with engineering, product, and business stakeholders to understand problems, clarify goals, and define the right approach. • Design pragmatic, end-to-end solutions from architecture and technical plans to production-ready systems. • Build systems involving LLMs, integrations, and multi-step or agentic workflows. • Make sound engineering decisions across model choice, orchestration, evaluation, latency, cost, reliability, security, and maintainability. • Write production-quality code, build prototypes, and evolve them into robust, scalable solutions. • Influence technical direction across teams, define best practices, and help others adopt AI effectively.
Job Requirements
- 8+ years of experience in software engineering.
- Strong system design and backend engineering skills.
- Experience building and shipping AI / LLM-based solutions.
- Ability to move from problem definition → architecture → implementation.
- Experience with automation, workflows, or agent-like systems.
- Hands-on approach and willingness to write production code.
- Strong engineering judgment (including knowing when not to use AI).
- Fluency in Polish and English (minimum C1 level).
- Experience working across teams and influencing technical decisions.
- Curiosity, ownership, and interest in applying AI in practice.
- Nice to have: Experience with TypeScript and Node.js (our primary stack), or willingness to work extensively in this environment.
- Experience with AI in developer tooling or internal systems.
- Familiarity with agentic systems or orchestration frameworks.
- Experience with production systems (performance, reliability, scalability).
Benefits
- B2B contract-based monthly remuneration is 38.000 - 45.000 PLN + VAT or its equivalent on the employment contract.
- Flexible schedule and the possibility to work fully remotely.
- Professional development resources (up to 5 days of additional leave and 6 000 PLN yearly).
- LinkedIn Learning access.
- Extra leave for Tiugo Day - our company’s foundation day and your birthday.
- English lessons with a native speaker and an online language platform where you can learn English, Spanish, and German.
- Access to a mental health and well-being platform with 24/7 dedicated psychological support.
- Private medical care (Enel Med or Medicover) and Multisport card.
- 2 weeks of paid parental leave for our contractors.
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