Principal Fullstack Software Engineer
Wolters Kluwer2 days ago
Warsaw, PolandStaff+
Responsibilities
- Design and implement full-stack applications, AI agents, and platform components for GenAI agent development, validation, and deployment.
- Build developer tooling, CI/CD, observability, evaluations, canary releases, rollouts and rollbacks, and cost and quality telemetry.
- Apply secure SDLC, threat modeling, least privilege, and privacy-by-design practices.
- Use RAG, retrieval, routing, tool use, and evaluations to deliver reliable, safe, and cost-effective AI systems.
- Collaborate with product, UX, and domain experts to deliver customer-focused solutions with measurable outcomes.
- Drive architecture and larger projects, take ownership from concept to production, mentor engineers, and lead by example.
Requirements
- 8+ years of professional software engineering experience.
- Strong full-stack development skills and cloud experience with AWS, Azure, or GCP.
- Expertise in at least one and proficiency across AI agent development and evaluation, backend development, frontend development, cloud services, CI/CD and infrastructure as code, SRE, quality engineering and testing strategy, or secure SDLC and privacy by design.
- Proven track record delivering secure, reliable, cloud-native systems to production.
- Strong problem-solving, ownership, and cross-functional communication skills.
- Preferred experience delivering AI agents from concept to production, including safety evaluations, iterative testing such as A/B testing, and continuous improvement.
- Preferred experience with LangChain, LangGraph, MCP, vector/RAG systems, and OpenSearch.
- Preferred experience with traditional ML training, deployment, and monitoring, plus understanding of LLMs, failure modes, fine-tuning, and model adaptation.
- Familiarity with regulatory frameworks such as SOC2 and HIPAA.
- Applicants must submit a resume and brief cover letter containing a Statement of Exceptional Work.
Benefits
- The role is part of a 100-engineer team within a larger established technology organization with startup-like agility and high autonomy.
- The typical hiring timeline is 2–4 weeks and includes an intro screen, two live-coding interviews, a systems-design interview, and a past-work presentation.
- Applicants may be required to appear onsite at a Wolters Kluwer office during the recruitment process.
- The company emphasizes a diverse, inclusive, caring, and growth-oriented culture.
Tech Stack
Categories
About Wolters Kluwer
Wolters Kluwer builds subscription software, data, and workflow solutions for professionals in healthcare, tax and accounting, legal and regulatory, finance and compliance, and ESG. Its portfolio spans SaaS applications and expert content that support compliance, decision-making, and operational processes. Founded in 1836 and headquartered in Alphen aan den Rijn, the Netherlands, it is publicly traded on Euronext Amsterdam (WKL) and reported 2025 annual revenue of €6.1 billion.