Вакансії Kotlin Developer

The CHI Software team is not standing still. We love our job and give it one hundred percent of us! Every new project is a challenge that we face successfully. The only thing that can stop us is... Wait, it’s nothing! The number of projects is growing, and with them, our team too. And now we need а Full-Stack Developer (React+Kotlin).

Responsibilities

• Develop, maintain, and improve frontend systems using TypeScript, React, and modern frontend technologies.
• Develop and optimize backend services with Spring Boot, Kotlin, PostgreSQL, and AWS, and related backend technologies.
• Maintain CI/CD pipelines and leverage IaC (Infrastructure as Code).
• Maintain and develop features across various systems while ensuring scalability and robustness.
• Collaborate with cross-functional teams, understanding requirements, and promoting knowledge sharing and collaboration.
• Make data-driven decisions to enhance system performance, optimize processes, and support business objectives.
• Own projects end-to-end, driving them from ideation to implementation and delivery.

Requirements

• 4+ years of experience with a strong focus on frontend development using TypeScript, React, and modern technologies.
• Proficiency in Kotlin, Spring Boot, PostgreSQL, and AWS for backend development.
• A solid understanding of testing principles and methodologies to ensure reliable, high-quality code.
• Familiarity with observability practices, monitoring, and alerting systems.
• Good knowledge of DNS, CDNs, and distributed systems.
• Understanding of accessibility (a11y) principles and best practices.
• Proficient in version control, especially with GitHub.
• Data-driven mindset with a focus on advocating for the best technical solutions.
• Self-driven with a strong sense of ownership and the ability to lead projects and drive them to completion.
• A collaborative team player with excellent communication and knowledge-sharing skills.

We are seeking an Android Software Engineer with a passion for pushing mobile technology to its limits, who will collaborate with our team of talented developers. The mobile app (for both Android and iOS) is designed for a multinational fast-food chain across various markets.

Main tasks and responsibilities:

• Provide technical solutions
• Prepare reports, manuals and other documentation on the status, operation of software
• Provide support to QA and other teams

Education, skills and experience:

• University Degree in Computer Related Sciences
• Passion for efficiency and getting things done
• Intermediate+ English (oral & written)
• Proficient in Java or Kotlin
• Experience with GIT, with good knowledge of branching strategies
• Experience with the automated build process, unit testing, source code analysis tools
• Experience with Appium
• 1+ years Android programming experience, deep platform knowledge
• Knowledge of Android SDK, Android Studio.
• Knack for benchmarking and optimization
• Understanding of design patterns, IoC, DI, SOLID, OOP
• Understanding of web Service integration (SOAP, REST, JSON, XML)
• Understanding of third-party libraries and APIs.
• Understanding of of the full mobile development life cycle.

DataRobot is the leader in Value-Driven AI, a unique and collaborative approach to generative and predictive AI that combines an open platform, deep expertise and broad use-case experience to improve how organizations run, grow and optimize their business. The DataRobot AI Platform is the only complete AI lifecycle platform that interoperates with an organization’s existing investments in data, applications and business processes, and can be deployed on prem or on any cloud environment. Global organizations, including 40% of the Fortune 50, rely on DataRobot to drive greater impact and value from AI.

DataRobot is hiring a backend Software Engineer II in Germany, Poland or Ukraine to help us expand our Data Services engineering team, which develops connectivity services enabling our customers to connect DataRobot to their preferred data storage solutions. As an engineer in this team you will be working with a team of experienced engineers located all over the world, including the US, Germany, Denmark and Ukraine. Our technology stack includes Kotlin, Scala, Python, Java, Kubernetes, Docker, NGINX, MongoDB, PostgreSQL, Redis, RabbitMQ, and many other tools.

Key Responsibilities:

• Develop, test and support features of DataRobot.
• Write and maintain automated unit, integration, functional, and contract tests for our software components.
• Manage individual work items and communicate clearly about their progress and constraints.
• Communicate clearly and pro-actively with product and technical stakeholders to clarify requirements.
• Seek, give, and receive critical feedback in a constructive manner, including but not limited to code reviews.
• Work collaboratively with peers and take initiative in solving problems and unblocking others.
• Take ownership of the components we develop and deliver work that you can be proud of.
• Competencies should be at a level where a manager can have high confidence in the engineer’s ability to deliver well-specced tasks on time.
• The engineer should be capable of solving most technical tasks with occasional guidance from more senior engineers.

Knowledge, Skills & Abilities:

• 2+ years of experience writing high-quality code in a collaborative environment, using a JVM language, preferably Kotlin.
• Strong problem-solving and critical thinking skills.
• Strong software engineering fundamentals in algorithms and data structures.
• Understanding of distributed systems fundamentals and principles related to scalability, performance, and reliability.
• Understanding of key API design and lifecycle management principles.
• Significant experience with automated testing and test-driven development.
• Ability and desire to learn about new technologies.
• Personal drive to drive tasks to completion.
• Effective communication behaviour.
• Experience developing software using version control systems and understanding of the associated concepts and principles.

Nice to have:

• 5+ years of development experience.
• Experience interfacing with popular data storage solutions.
• Fundamental understanding of Kubernetes and Helm. Experience in building and running software systems on Kubernetes clusters in production.
• CKAD (Certified Kubernetes Application Developer) certification.
• Publicly reviewable contributions to interesting projects.
• Experience supporting and/or maintaining user-facing code and APIs.
• CI/CD pipeline experience.

Hi! We are looking for a highly motivated and skilled Android Developer, to join our fast-growing team. We are eager and creative professionals, who like challenges.

Responsibilities:

• Develop an application from scratch.
• Complete high-quality work with thoroughness and accuracy to achieve results.
• Deliver results using standards and procedures.
• Paying attention to details.
• Complete tasks in the Agile environment.
• Bug fixing (if needed).
• Participation in daily meetings.
• Communicate with the client and the product development team.

Requirements:

• At least 6 month experience;
• Experience with Kotlin, Android SDK, Android Jetpack (Navigation, ViewModel, LiveData, Room, Paging, WorkManager);
• Good knowledge of Git, Git Flow;
• Good knowledge of OOP/OOD;
• Understanding of design patterns, refactoring, and code smells;
• Experience with third-party libraries and APIs;
• Experience with MVC/MVP/MVVM;
• Experience with Core Data or Realm;
• Experience with a dependency manager;
• Experience with Networking, REST Client API, JSON and XML, Animations;
• Basic knowledge of Gradle, multithreading, reactive programming;
• Understanding of Design Material.

Will be a plus:

• Experience with reactive programming (RxAndroid/RxKotlin);
• Experience with TDD/BDD;
• Experience with Analytics;
• Experience with Push Notifications;
• Experience with BaaS (Firebase, Sashido);
• Experience with Kotlin coroutines;
• English level – at least intermediate.

We are looking for the best Android middle developer to join our team.

Skills and qualifications:

• 2+ years experience in commercial development of the Android applications.
• Expert in Kotlin (knowledge of Java).
• Strong knowledge of Android SDK, MVVM, and clean architecture.
• Familiarity with RESTful APIs to connect Android applications to back-end services.
• Strong knowledge of Android UI design principles, patterns, and best practices.
• Experience with offline storage, threading, and performance tuning.
• Knowledge of the open-source Android ecosystem and the libraries available for common tasks.
• Proficient understanding of code versioning tools, such as Git.
• Knowledge of Compose would be a plus.

Ми шукаємо досвідченого інженера, який привнесе досвід з Compose Multiplatform у наші продукти. Ця позиція не передбачає роботи з Android SDK.

Процеси та інструменти:

У розробці продуктів ми будуємо процес на основі гнучких методологій. Пріоритетом є якість рішень, а не швидкість впровадження функціональності у продакшн.
Ми багато використовуємо статичні аналізатори, приділяємо велику увагу чистоті коду та автоматизованим тестам, а також проводимо обов’язкове code review у випадку будь-яких змін для підвищення ефективності.
Розробка системи та API виконується із використанням Domain-Driven Design.
Ми використовуємо Event Storming для визначення вимог. Для середньо- та довгострокового планування ми використовуємо Wardley Mapping.

Технологічний стек, що використовується в наших продуктах:

• Kotlin (останні версії).
• Java, JxBrowser.
• Protobuf, gRPC.
• Spine Event Engine.

У повсякденній розробці ми використовуємо такі інструменти:

• Git, GitHub.
• GitHub Actions для CI/CD.
• IntelliJ IDEA.

Чим ви будете займатись:

• Брати участь у розробці desktop застосунків і UI компонентів для macOS і Windows за допомогою Kotlin і Compose Multiplatform.
• Пропонувати ідеї щодо вдосконалення та майбутнього розвитку продукту. Знаходити шляхи практичної реалізації цих ідей.

Необхідні знання та навички:

• Від п’яти років досвіду роботи.
• Вміння програмувати на Kotlin.
• Досвід роботи з Compose Multiplatform.
• Великий досвід проведення code review.
• Письмова та розмовна англійська на рівні Upper-Intrmediate.

Буде перевагою:

• Досвід релізу та підтримки desktop застосунків у production режимі.