About the Position

Hi all!

We are looking for a Senior Full Stack Developer (Flutter/Go) to join our client, a product telecommunications company that is a transit provider of voice and SMS traffic, as well as several lines of business. The company brings stable income, but at the same time 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.

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

Requirements

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

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 work days
Sick leave is not fixed

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)

Location

Europe

Job Format

Remote

Vacancy Level

Senior

English

Upper Intermediate

Company

Product Back End

Flutter

Mobile Apps

Do you have questions about job vacancies?

Senior Full Stack Developer (Flutter/Go)

Job description