Вакансії Flutter Developer

People who work at Perpetio care about the success of the company and the product they make. When our apps become popular - it's an achievement for the whole team. It's a true joy to see app or game being used by someone on a bus or train :)
Our people think ahead, show ideas and initiative. And we as a company can entrust them a responsibility. That is why we are looking for people who are professionals and can work without micro-management. People who get things done.

Responsibilities:

• Developing and maintaining Flutter applications;
• Working with the server team and participating in API development.

Requirements:

• Practical experience with Flutter;
• Experience in Dart;
• Good understanding of OOP/SOLID principles;
• Experience with app state management (ScopedModel, Provider, BLoC, etc.)
• Experience of working with Git;
• Experience with RESTful API;
• Upper Intermediate English.

Will be a plus:

• Previous experience in Android /iOS application development, using one or more of the popular programming languages: Java, Kotlin, Objective-C, or Swift;
• Experience with SQL Database;
• Don’t hesitate to ask a lot of questions;
• Experiment with new technologies in your spare time;
• Github/bitbucket account with own code.

Шукаємо розробника, який вміє верстати і мобільні, і веб додатки.

Обов'язки:

• Розробка front-end складової проекту;
• Використання вашої експертизи в поліпшенні всього циклу послуг, що надаються: в проектуванні, розробці, тестуванні, розгортанні, обслуговуванні і поліпшення програмного забезпечення;
• Робота в тісній зв'язці з іншими технічними фахівцями Scrum-команди на всіх етапах розробки, тестування і запуску продукту.

Обов'язкові вимоги:

• 2+ років комерційного досвіду розробки на Flutter/React Native;
• Упевнені знання OOP, патернів;
• Уміння орієнтуватися в чужому коді;
• Англійська мова на рівні не нижче Intermediate (B1).

Буде плюсом:

• Досвід командної роботи по Agile-методологій управління проектами: Scrum/Kanban;
• Досвід роботи з контейнеризацией в Docker;
• Досвід роботи з AWS, GCP;
• Упевнені знання SQL, NoSQL.

We are looking for a skilled Middle Flutter Developer to join our team and contribute to the development of a platform designed for managing clinical test referrals in the radiology field. You will work on creating a user-friendly and efficient mobile application using Flutter and Dart.

Responsibilities

• Develop and maintain cross-platform mobile applications using Flutter and Dart.
• Integrate RESTful APIs and third-party libraries to enhance app functionality.
• Utilize Firebase services, including Authentication, Firestore, and Push Notifications, to ensure seamless backend integration.
• Implement CI/CD pipelines to streamline app development and deployment processes.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Ensure app performance, quality, and responsiveness.

Requirements

• 3+ years of experience with Flutter development.
• Strong knowledge of Dart and the Flutter SDK.
• Proficiency in integrating RESTful APIs and third-party libraries.
• Knowledge of Firebase services (Authentication, Firestore, Push Notifications).
• Experience with CI/CD pipelines for mobile apps.
• Upper-Intermediate level of English for effective communication.

Our customer is a photo-sharing platform focusing on on-device machine learning to organize photos by categorizing people, places, objects, and timestamps. The app is built on Flutter and powered by TensorFlow Lite, prioritizing privacy by processing data locally.

Responsibilities

• Integration and optimization of machine learning models to organize photos by detecting and categorizing people, places, objects, timestamps, and other metadata.
• Enhance ML stack by implementing face detection, object detection, scene recognition, image quality/type assessment, and location/mode/timestamp extraction.
• Optimize models for mobile performance, including caching and hardware acceleration.
• Seamlessly integrate ML models with the app’s local database (SQLite) and ensure efficient real-time processing.
• Develop processes and infrastructure to support the deployment of new models, including model training and testing frameworks.
• Collaborate with the project manager, founder, and CTO to refine requirements and coordinate technical decisions.
• Maintain and improve test documentation, including unit and integration tests for ML components.
• Ensure consistent performance, stability, and scalability of the ML features.

Requirements

• Technical Skills:
  • Proficiency in Flutter and TensorFlow Lite, with strong knowledge of on-device ML model deployment.
  • Familiarity with Python for model training and computer vision tasks.
  • Experience with hardware accelerators (GPU, NNAPI) for mobile ML model optimization.
  • Solid understanding of image classification, metadata extraction, and real-time processing.
  • Proficiency in optimizing and integrating ML models into mobile apps, with a focus on performance and scalability.
  • Knowledge of SQLite for local data storage integration.
• Nice to have:
  • Experience in image classification, metadata extraction, and/or hardware acceleration optimization.
• Soft Skills:
  • Ability to work independently as the sole developer on ML integration.
  • Excellent problem-solving skills and a collaborative approach to teamwork.
  • Strong communication skills to engage with C-level team members and stakeholders.
• English Level Advanced. The candidate should be able to clearly communicate and deliver his ideas.
• Work Schedule and Timezone
  • Flexible, with availability across time zones in Ukraine, Israel, and London. (8hr/day)

The project provides a two-sided marketplace where end customers can share their data with corporate customers via Android & iOS apps. The product solves the previous problem of the GDPR and is relevant for all companies looking for new end customers. Corporate customers can post their offers via a web portal, which end customers can then accept for a fee. The project is still a start-up and was founded in January 2023. We expect major growth in 2025 and therefore want to expand the existing app and web platform.
That's why we are searching for Flutter developer to join our internal team.
This is a presale project. Project duration: 6 months with a strong possibility of extension.

Future tasks:

• New and further development of our apps from scratch: analysis, conception, development and quality assurance.
• Evaluation and optimization of existing features concerning usability and performance.
• Close collaboration with the design and web team for an optimal user experience.
• Through clean, testable code, you contribute to a high level of quality and help to spread this culture throughout the company.

Requirements:

• Good knowledge of cross-platform development with Flutter.
• Good knowledge of infrastructure with development environment/live environment with mirrored staging system. The app application runs in a cybernetic cluster environment.
• Good knowledge of the Python programming language for customizations in Django.
• Knowledge of version control (Git) required.
• Knowledge of relational databases (PostgreSQL) required
• Ability to deal with complex tasks.
• Good written and spoken English skills (at least upper-intermediate).

Will be a plus:

• Good written and spoken German.

We welcome developers with Flutter experience and desire to actively continue their growth. What will need to be done - creating mobile applications from planning and implementation to launch.

Required Skills:

• 3+ years overall of Mobile Development experience.
• 1.5+ experience with Flutter.
• Firebase (Firestore, cloud functions, auth, push notifications).
• Client-server communication understanding (API integration).
• Understanding Clean Architecture, SOLID principles.
• Experience with Design patterns.
• Experience with Native iOS and/or Android development.
• Positive attitude, pro-activity, problem ownership.
• English level B2+ (reading and writing skills).

Would Be a Plus:

• Experience with Xamarin, Algorithm, Flutter Forward, Unity.
• Flutter pet projects or open source.
• Understanding of CI/CD.
• Higher Technical Education.

Responsibilities:

• Build cross-platform applications using Flutter, Flutter Flow.
• Collaborate with the team and the client to define, design, and ship new features.
• Code review, work on bug fixing and improving application performance.
• Participate in other mobile application development.

Required Qualifications:

• Willingness to learn new languages and technologies (for example, Swift, Kotlin, etc.);
• Git version control skills (push, merge, branch);
• Comfort with Dart;
• API skills, in particular, working with REST API via JSON;
• Commercial experience in mobile apps development from one year;
• Fundamental knowledge of the OOP principles and patterns, and their use in practice;
• Knowledge and understanding of OOD basics; MVP and MVVM patterns use in practice;
• Multi-threaded and asynchronous programming skills;
• Working with version control systems, understanding the concept of working with git repositories and practical skills;
• Ability to delve into details and understand someone else's code;
• English: reading and processing technical documents.

Preferred Qualifications:

• A technical degree;
• Experience with developing cross-platform applications;
• Experience with developing native applications;
• Experience in reactive programming;
• Knowledge of other programming languages like Java/Kotlin; Bash scripting, running Python scripts;
• Experience with field application testing services like TestFlight, HockeyApp, Fabric.io, Crashlytics.com.