Hi all!
We are looking for a Senior Full Stack Developer (Flutter/Go) to join our client, the product telecommunications company is a transit provider of voice and SMS traffic, as well as several lines of business, so the company brings stable income, but at the same time it has not lost the lightness and flexibility of a startup.
The company’s clients are large international companies and corporations that use the SMS platform to develop and improve their own business.

The company was founded in 2007 with a mission to provide intelligent communication solutions for organizations of all sizes. Initial products focused on global voice connections, but they later expanded their product offering to include messaging, fax, and chat. With a head office in a high-tech hub located around Tel Aviv and offices in Sofia and Kyiv, they are able to attract the best technical and business personnel who are focused on providing the highest quality services to their partners and customers. They are proud to be chosen by many global Tier 1 companies from over 100 countries to meet their business-critical communications needs.

We expect

 

• 3+ years of experience with Flutter and Dart ,
• 5 + years of experience in software development;
• Full Stack development experience, especially with 2+  years of experience with Go, React, or Node.js;
• Strong understanding of mobile architecture and cross-platform development;
• Solid experience consuming RESTful or GraphQL APIs;
• Experience with state management solutions (e.g., BLoC / Cubit, Provider, Riverpod).

Nice to have

• Experience building or maintaining Flutter plugins (Android/iOS interop);
• Familiarity with WebRTC, signaling, and real-time streaming protocols;
• Experience with Firebase, WebSockets, push notifications;
• Familiarity with clean architecture and test-driven development.

Responsibilities

• Design and develop high-quality Flutter apps for Android and iOS;
• Collaborate with backend engineers to define APIs and build full-stack features;
• Write clean, testable, maintainable Dart code following best practices;
• Implement custom Flutter plugins to bridge native functionality when needed;
• Integrate with real-time communication tools (e.g., WebRTC, sockets);
• Work with product managers and designers to deliver smooth, performant UX;
• Debug, profile, and optimize performance across devices;
• Participate in code reviews, architectural discussions, and agile development cycles.

We offer

  Social package and other bonuses:

• Flexible working hours;
• Medical insurance after TP.
• Educational events & courses compensation;
• English classes with a native speaker;
• Dynamic corporate life;
• Minimal bureaucracy, quick decisions;
• The ability to influence any process, regardless of position in the company;
• The company promotes growth and encourages initiatives;
• Established processes following the business strategy;
• A modern stack of technologies, the opportunity to work at a high load, modern equipment, a modern office, with constant improvements at the request of employees;
• The opportunity to work both on existing projects and to develop new projects of various sizes;
• Top management, open to communication with teams;
• There is an accountant who keeps the employees’ accounts;
• Full social package with English language courses and speaking club, compensation for various professional courses, trainings and conferences.

  Vacation and sick leave:

• 20 works days;
• sick leave is not fixed.

What are the stages of selection:

• HR prescreen + English check (30 min);
• Technical interview with Tech Lead and Senior Mobile Engineer (1 hour);
• Technical Interview with CTO (40 min).