Tiugo Technologies is hiring a Senior Software Engineer for its AI team. You will play a key role in building and evolving the backend services that power AI capabilities in CKEditor 5, working at the intersection of AI and content creation where LLMs meet text processing.
What You'll Do
- Design, build, and maintain backend services that power AI features for CKEditor 5 — including API orchestration, streaming, event-driven processing, and data persistence.
- Integrate and orchestrate LLM providers to deliver intelligent editing features such as contextual text suggestions and automated content generation.
- Engage in code reviews, pair programming, and cross-functional collaboration to ensure high-quality results.
- Write clean, maintainable, and well-structured code, balancing readability with appropriate documentation.
- Share best practices on programming standards, tools, and processes to foster continuous improvement.
What We're Looking For
- Over 5 years of software development experience.
- Strong proficiency in TypeScript and Node.js.
- Experience building and maintaining backend services - REST APIs, relational databases (PostgreSQL), message queues, Docker.
- Curiosity about AI/LLMs and willingness to work with them daily.
- Excellent problem-solving skills and the ability to think critically and creatively.
- Outstanding communication skills, both verbal and written.
Nice to Have
- Hands-on experience integrating LLM APIs (OpenAI, Anthropic, Google, or similar).
- Understanding of prompt engineering, function/tool calling, and streaming.
- Experience with event-driven architectures (SQS/SNS or similar).
- Familiarity with observability tools (OpenTelemetry, tracing).
Technical Stack
- TypeScript
- Node.js
- PostgreSQL
- Docker
Team & Environment
You'll be part of the AI team, working closely with other engineers.
Benefits & Compensation
- Compensation: PLN 24,000 - PLN 32,000 + VAT (B2B contract) or equivalent on employment contract.
- Quarterly and annual financial bonuses depending on the company’s performance.
- 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.
Work Mode
This is a fully remote position. The company is located in Warsaw, Poland.
Tiugo Technologies is an equal opportunity employer.





