Flutter Developer

Technologies we use

Expected

• Android
• iOS

About the project

Are you an experienced mobile developer looking for a challenging project?

At Sii, we’re collaborating with a leader in cloud communication technology, known for revolutionizing the telecommunications industry. We’re seeking a talented Flutter Developer to join our team and contribute to building innovative solutions for voice, video, and messaging applications. This is your chance to work on a cutting-edge project and grow with industry experts.

If you’re ready to take on this exciting opportunity, apply now!

Your responsibilities

• Developing and implementing core features using Flutter, with a focus on integrating native Android/iOS components when necessary, depending on the project’s requirements
• Building custom OAuth 2.0 clients and ensuring secure authentication flows, maintaining high standards of security and scalability
• Implementing WebRTC for real-time voice communication, utilizing Flutter plugins, WebSockets, and possibly native solutions for optimal performance across iOS and Android platforms
• Designing and developing user interface components with Flutter, aiming for an intuitive and polished user experience
• Integrating CRM systems to ensure smooth data synchronization and communication between the mobile application and backend services

Our requirements

• At least 4 years of experience as a mobile developer, with a strong background in Flutter and native mobile development (either Android or iOS)
• Solid experience in either native Android development or native iOS development, combined with expertise in Flutter for cross-platform app development
• Proficiency in OAuth 2.0, including the ability to implement secure authentication mechanisms in mobile applications
• Experience with WebRTC or SIP for real-time communication, as well as familiarity with WebSockets for building scalable and high-performance applications
• Excellent command of English, both written and spoken, to effectively communicate with international teams and clients
• Residing in Poland required

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 60M 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

• Send your CV
• Talk to us about your expectations
• Learn more about our projects and choose the best
• 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 7 500 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. In a survey, as many as 90% of our employees responded that Sii is a great place to work, and 95% of them think we have a great atmosphere here.