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Urgent! Tech Leader - Senior Full Stack Developer (Python) Job Opening In Warsaw – Now Hiring Sanoma

Tech Leader Senior Full Stack Developer (Python)



Job description

*Important:


This position is only for candidates legally residing in Poland and operating under a registered sole proprietorship (JDG).
As part of onboarding, we kindly invite new joiners to our Warsaw office on the first day for a short introduction and identity verification.
Please note that applications from outside Poland cannot be considered.



Sanoma Learning is the leading European learning company, serving over 20 million students in 11 countries.

We offer printed and digital learning materials as well as digital learning and teaching platforms for primary, secondary, and vocational education.

The development of our methodologies is based on deep teacher and student insight and really understanding their needs.

By combining our educational technologies and pedagogical expertise, we create learning products and services with the highest learning impact.

In our Technology organization, you will join the largest cross-cultural community of Sanoma Learning and contribute to the digital transformation and future of education in Europe.


Project description


You’ll be part of brand-new product teams building cutting-edge AI solutions for education, designed to be used by learners and educators across multiple European countries.

This is a unique opportunity to shape the products, processes, and team culture from day one — and make a real impact on how education evolves globally.


Role responsibilities


Here’s why we love this job — and hope you will too:


You’ll be a founding technical voice in a new product area with support from leadership
You’ll help define how LLMs are integrated into intuitive tools that support students and teachers
You’ll work closely with data scientists, product designers, and engineers to turn models into magic
You’ll have full-stack autonomy – from architecture to API design to frontend performance
You’ll influence our AI strategy and technical vision — while building real products, fast
And most importantly: your code won’t sit in a showcase — it will be used by real people, in real schools


Some of the problems you might help us solve:


Designing and implementing the architecture behind AI-powered UX tools
Building scalable APIs that connect LLMs to meaningful user experiences
Collaborating with data scientists to shape prompt workflows and interpret model outputs
Embedding ethics, explainability, and performance into the AI integration layer
Leading the development and quality standards across the entire AI tool stack
Prototyping quickly — then scaling cleanly


Must-have requirements


Proven experience (+5 years) leading technical development of complex, data-driven products
Strong full-stack skills Python backend + Angular frontend
Understanding of prompt engineering principles and how model outputs are structured
Familiarity with UX design systems and accessibility standards
Experience with architecture design, API strategy, CI/CD, and QA collaboration
Excellent communication and mentoring skills
Fluent in English
Degree in Computer Science, Software Engineering, or equivalent practical experience


Nice-to-have requirements


Experience integrating with LLMs or building AI-enhanced applications
Practical experience with FastAPI and SQLAlchemy
Background in EdTech or interest in solving real learning challenges
Experience with observability and performance monitoring tools
Experience working with design teams in Figma or similar
Experience in early-stage product development or new team formation
Knowledge of cloud efficiency (data handling, token optimization, bandwidth cost control)



Location


100% remote work


Business travel and its frequency


Few times a year


What we offer


B2B contract for an indefinite period;
Work-life balance and great atmosphere;
Opportunities for professional development through interesting tasks.


As an employer, Sanoma offers a working environment where you are able and encouraged to show your best self.

The working environment is result-oriented as well as flexible with a focus on collaboration.

We offer you a key position with interesting and challenging tasks and excellent opportunities for professional growth.

You will be part of a highly professional and experienced international team in an open and informal setting, where initiative is expected and rewarded.


 


 


 


Required Skill Profession

Computer Occupations



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