Principal AI Engineer

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🕒 April 29

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ButterCMS 🧈

WebsiteLinkedInAll Job Openings

11 - 50 employees

☁️ SaaS

🔌 API

🛍️ eCommerce

SaaS • API • eCommerce

ButterCMS is a leading content management system (CMS) designed for developers, marketers, and enterprises. It provides a seamless, headless CMS solution with a fast API and comprehensive marketing dashboard, allowing users to manage and scale their websites, e-commerce sites, and mobile apps efficiently. ButterCMS offers customization, a media library, integrations, multi-site management, AI tools for content creation, and migration tools for moving content from other platforms. With a focus on enhancing productivity and customer experience, it empowers marketing teams to control content while allowing developers to focus on building robust components. It supports multiple tech stacks, offering starter projects, developer tools, and a global content API, and is highly rated for its ease of use and support. The company aims to boost engagement and drive revenue through agile content iteration and seamless collaboration.

📋 Description

• 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. • 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.

🎯 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.