PHP Symfony Developer for Calculator Platform (Hybrid)

Sii Poland; Warszawa; Hybrid; PLN 120,000 - 180,000; Full time

Benefits offered by this job

Great Place to Work

Solid financial situation

Contracts with the biggest brands

Centre of internal trainings

Many experts you can learn from

Open and accessible management team

Profit sharing

Passion Sponsorship program

Regular integration events and trips

Comfortable and well-equipped offices

MySii app

Medical care

Job summary

Sii Poland is seeking a PHP Developer to join a project building a leasing platform and the Calculator engine. You will design, implement, and test features, data models, and APIs, collaborating with a cross-functional team in a hybrid setup with 50% office work in Warsaw.

Required are 3+ years of PHP experience, Symfony, SQL proficiency, REST API design, and CI/CD familiarity, with fluency in Polish and English.

Qualifications

• Minimum 3 years of PHP development experience.
• Strong understanding of structuring business-logic-heavy apps.
• Practical knowledge of Symfony framework.
• Solid SQL proficiency for data management.
• Experience designing and implementing REST APIs.
• Familiarity with CI/CD workflow operations.
• Good communication and collaborative mindset.
• Fluency in Polish and English.

Responsibilities

• Design, build, and maintain features on the Calculator.
• Model data to ensure consistency and extensibility.
• Implement business rules for offers and quotations, incl. country/partner variations.
• Build clean APIs for other apps to use the calculator.
• Write unit and integration tests for feature accuracy.
• Participate in code reviews, estimations, and planning.

Skills

Communication skills

Team collaboration

Polish language

English language

Problem solving

Tools

Symfony

REST APIs

SQL

CI/CD

Job description

Sii Poland is seeking a PHP Developer to join a project building a leasing platform and the Calculator engine. You will design, implement, and test features, data models, and APIs, collaborating with a cross-functional team in a hybrid setup with 50% office work in Warsaw.

Required are 3+ years of PHP experience, Symfony, SQL proficiency, REST API design, and CI/CD familiarity, with fluency in Polish and English.