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Offer summary
(Summary generated by AI based on the full job description)
The project focuses on building a leasing operations management platform across multiple countries. The main task is developing the Calculator engine responsible for offers and quotations calculations. Technologies used include PHP, Symfony, SQL and REST APIs. Responsibilities cover designing and maintaining calculator features, data modeling, implementing business rules, API development, and writing tests. Familiarity with CI/CD and fluency in Polish and English are required.
from: 25 August 2026
to: 24 September 2026
salary not specifiedB2B contract
Offer parameters
level:mid • senior
working mode:hybrid • full office
Warszawa, Mokotów
Requirements
Expected technologies
PHP
SQL
Symfony
Our requirements
- Minimum 3 years of professional experience in PHP development
- Strong understanding of structuring business-logic-heavy applications
- Practical knowledge of modern frameworks, particularly Symfony
- Solid SQL proficiency for effective data management
- Experience in designing and implementing REST APIs
- Familiarity with CI/CD workflow operations
- Good communication skills and a collaborative mindset
- Fluency in Polish and English
Your responsibilities
- Designing, building, and maintaining features on the Calculator
- Modeling data to ensure consistency and ease of extension
- Implementing business rules for offers and quotations, including country- and partner-specific variations
- Building clean APIs for other applications to utilize the calculator's capabilities
- Writing unit and integration tests to ensure feature accuracy
- Participating in code reviews, estimations, and planning sessions
About the project
We are looking for a PHP Developer to join a project focused on building a new platform for managing leasing operations across various countries. You will play a crucial role in developing the Calculator engine, which powers the calculations behind offers and quotations. This position offers a hybrid work mode (50% from office in Warsaw), allowing you to collaborate with a team while enjoying flexibility in your work environment.
This is how we work on a project
- Continuous Deployment
- Continuous Integration
What we offer
- Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
- Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
- We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022
- Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
- Comfortable workplace – class A offices or remote work
- Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
- PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
- Investment in your growth – meetups, webinars, training platform and technology blog – you choose
- Fantastic atmosphere created by all Sii Power People
Recruitment stages
- 1.Send your CV
- 2.Talk to us about your expectations
- 3.Learn more about our projects and choose the best
- 4.Start your adventure with Sii!
Sii Sp. z o.o.
Sii is the leading technology consulting, digital transformation, engineering, and business services vendor in Poland. We already employ more than 7 300 professionals and implement projects in a variety of industries for clients from many countries around the world. The Great Place to Work title, won 10 times in a row, proves that at Sii, we create a friendly work environment.
Sii ensures that all employment-related decisions are made solely on the basis of qualifications and competencies. We are committed to equal treatment of all individuals, regardless of any protected characteristics, and promoting a diverse and inclusive work environment.
This is how we work
PHP Developer with Symfony (f/m/x)
I apply to:
Sii Sp. z o.o.
Warszawa, Mokotów
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