CKSource

Staff / Senior Staff Software Engineer – AI Systems

32k - 40k PLN32 000 - 40 000 PLN/ mies./ mies.B2BB2B (netto)

SeniorZdalnie·WarszawaFull-time·B2B

#457930·Dodano 9 dni temu·0

Źródło: nofluffjobs.com

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Tech Stack / Keywords

Node.js TypeScriptAILLMMulti-provider LLM integrationsAWSSDKopen-source products

Firma i stanowisko

CKSource builds CKEditor, an open-source rich text editor used by millions worldwide. The company is part of Tiugo Technologies, alongside TinyMCE, ButterCMS, and Uploadcare.

Wymagania

Proven experience designing and delivering complex production systems at Staff, Senior Staff, Tech Lead, or equivalent level.
Strong hands-on experience with TypeScript, Node.js, software architecture, and distributed systems.
Experience building LLM- or AI-powered features in production, including testing, evaluation, observability, and reliability.
Strong architectural judgment and the ability to balance simplicity, scalability, and long-term maintainability.
End-to-end ownership, from ambiguous technical challenges to successful production delivery.
Ability to influence technical decisions, mentor engineers, and collaborate effectively across teams without formal authority.

Nice to have:

Multi-provider LLM integrations
Experience with AWS
SDK development
Experience with open-source products

Obowiązki

Lead the architecture and technical direction of AI-powered systems, from early exploration to production and beyond.
Design scalable, maintainable systems, making sound decisions about APIs, service boundaries, reliability, performance, security, and cost.
Turn complex product ideas into experiments, prototypes, and production-ready solutions.
Build reliable LLM integrations and establish practices for testing, evaluation, monitoring, and improving AI features.
Stay hands-on by writing and reviewing code, solving complex technical challenges, and mentoring engineers.
Influence engineering practices and help teams adopt AI development tools without compromising code quality or maintainability.

Benefity

Private medical care (Enel Med, PZU or Medicover)
Multisport card
English lessons with a native speaker
Online language platform
Mental health and well-being platform
Extra leave for Tiugo Day
Extra leave for your birthday
Professional development resources
LinkedIn Learning access

Opieka zdrowotna

Karta sportowa

Kursy językowe

CKSource

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