Who are we?

Flying Bisons is a  leading Digital Consulting & Delivery company based in the heart of Europe, Warsaw. Our mission is to help our clients to Unleash Digital Potential™. We discover, define, design, and develop world-class digital products that drive business results for our clients, shaping digital experiences for millions of people around the world.

We stand out due to our  end-to-end process that allows us to approach each and every challenge with confidence that we can deliver the best results. Our expertise includes Research, Digital Strategy, Branding, Content (Written, Photos, Videos), Product Design, Web & Mobile Development, Data Analytics & AI.

Join our 120-people team to co-create  industry-defining products and heart-racing experiences for the  biggest brands (Mercedes AMG, IKEA, KFC, e Obuwie, Żabka, Sanofi, Zain) and  disruptive startups (like Booksy, Nethone, Telemedi, or Dev Skiller)!

We are looking for an experienced Mid or Senior Developer to join our team in building a modern API for an e Commerce platform.  You will be responsible for designing, developing, and maintaining high-quality backend services using Symfony and PHP, with a strong focus on modular service architecture and seamless API integration.  The solution must be scalable and capable of handling high traffic.

Your Role & Responsibilities:

• Develop RESTful APIs services
• Design services following the principles of bounded contexts
• Develop high-level solutions using hexagonal architecture within a modular-monolith structure
• Create and maintain API documentation
• Quality check (Code Review)
• Optimize applications for performance and scalability
• Cooperation with the QA, Frontend, UI&UX teams
• Taking care of application security, from design to implementation
• Write automated tests to ensure the reliability and quality

Your Profile & Skills Required:

• You have 4+ years of experience in web development
• You have proven expertise in developing  RESTful APIs
• You can optimize services for performance and scalability
• You possess a strong understanding of business needs and technical solutions
• You have knowledge of  databases (e.g., Mongo DB, Postgre SQL)
• You have experience with  message queues (e.g., AMQP, SQS)
• You’re adept at implementing and using cache systems
• You know  PHP and the Symfony framework thoroughly
• You’re skilled in  PHPUnit
• You can create clear, effective documentation using  Swagger and Open API
• You have practical experience with  Docker and containerization
• You’re comfortable with static analysis tools for code quality
• You apply  architectural principles like SOLID, KISS, DRY, and other best practices
• You have a solid understanding of  Unix systems
• Good command of English (B2+) and Polish

Nice to have:

• Familiarity with cloud platforms (GCP)
• Domain-Driven Design and CQRS
• CI / CD experience
• One Trust, Synerise integrations

What do we offer?

B2 B contract

11 000 - 20 000 PLN NET + VAT

Flexible work mode (100% remote, office or mix)

7-hours working day (+1 hour break)

⛱ 24 days (+national holidays) of paid leave

Private healthcare (Enel-Med)

⚽ Co-financing for a Multisport card

Possibility to work from our modern office (We Work Mennica Legacy Tower)

English and Arabic lessons

‍ Apple equipment (Mac Book)

‍ Regular Knowledge Sharing meetups & workshops

Access to our educational library

Team meetups and parties