IOS разработчик (стажер)

Location

Remote, with no country restrictions specified.

About the company

A financial institution providing retail and corporate banking, lending, deposits, payments, and digital banking services.

The project is a digital banking SuperApp that integrates iOS and Android apps, backend services, banking products, and external systems.

Responsibilities

• Develop and maintain iOS features for the SuperApp, including integrations with external partners and third-party APIs.
• Implement networking, authentication, data mapping, error handling, and integration business logic following architecture standards.
• Write unit and UI tests, and troubleshoot functional, performance, and integration issues across iOS versions and devices.
• Collaborate with backend, QA, Android, Java, DevOps, and product teams throughout the development lifecycle.

Requirements

• 1.5+ years of commercial iOS development with Swift, plus good knowledge of UIKit and SwiftUI.
• Experience with fintech, payments, or financial applications, including REST API and third-party service integration.
• Understanding of MVVM or similar architecture, asynchronous programming, networking, JSON parsing, error handling, Git, and dependency management (SPM/CocoaPods).
• English at Intermediate+ or above; familiarity with banking solutions, CI/CD, App Store releases, Clean Architecture, UI testing, and secure handling of financial data is a plus.

About Voodoo

Founded in 2013, Voodoo is a tech company that creates mobile games and apps with a mission to entertain the world. Gathering 800 employees, 7 billion downloads, and over 200 million active users, Voodoo is the #3 mobile publisher worldwide in terms of downloads after Google and Meta. Our portfolio includes chart-topping games like Mob Control and Block Jam, alongside popular apps such as BeReal and Wizz.

Team

The Engineering & Data team builds innovative tech products and platforms to support the impressive growth of their gaming and consumer apps which allow Voodoo to stay at the forefront of the mobile industry.

Helix is our flagship Ad-Network team of around 60 top-tier engineers and data scientists spanning backend, mobile SDKs, data engineering, infrastructure, and AI. Helix has evolved beyond powering Voodoo's own gaming portfolio—our technology is now directly integrated into games from external, third-party publishers worldwide.

Operating across millions of third-party devices in real-time bidding environments creates unique technical challenges around SDK performance, ultra-low latency, and intelligent automation.

Within Helix, you’ll join the AdExperience squad—a focused team of Senior Product Managers, QA/Release Engineers, and five exceptional Senior Engineers specialized in backend and mobile SDK development. Together, you will push the boundaries of iOS SDK architecture and champion modern, agentic AI workflows to set new industry standards.

Role

We’re looking for a visionary and talented Senior iOS Engineer to join our dynamic, passionate, and committed to excellence team at the forefront of advertising technology!

As a Senior iOS Engineer, you will drive the development of cutting-edge SDKs, influencing the experience of millions of users across diverse devices. A pivotal member of our engineering team, you will help shape the direction of our iOS technical efforts while serving as a high-impact, hands-on individual contributor.

• Technical Vision & Code Standards: Guide the technical direction for our iOS projects. Drive innovation, establish architectural best practices, and ensure the highest standards of code craftsmanship across our codebase.

• AI Usage & Agentic Workflows: Raise the bar in AI adoption across the team—actively integrating agentic workflows, LLMs, and AI-driven automation tools to solve complex challenges and elevate developer productivity.

• Code Excellence: Craft robust, maintainable, and high-performance code that sets industry benchmarks as a senior hands-on individual contributor.

• Collaborative Code Reviews: Actively participate in thorough code reviews, fostering a culture of continuous technical improvement and knowledge sharing within the engineering team.

• Architectural Decisions: Make critical decisions regarding the architecture and technical stack of our iOS SDKs and applications to ensure long-term stability and scalability.

• Quality Assurance: Guarantee the enduring quality and reliability of our iOS projects through rigorous testing, performance profiling, and continuous integration practices.

Profile

• 6/7+ years of experience in mobile software development.

• 5 years minimum in Swift.

• Strong proficiency and proactive mindset towards leveraging AI technologies (e.g., agentic AI, LLMs, AI coding assistants) to enhance software development efficiency and code quality.

• Excellent problem-solving, critical thinking, and communication skills.

• Demonstrated ability to make critical technical decisions independently.

• Extensive experience in writing robust, maintainable, and high-performance Swift code.

• Writing efficient unit tests, integration tests, and UI tests.

• In-depth knowledge of iOS development tools, frameworks (SwiftUI, Combine, and CoreData), and best practices (MVVM, Protocols, Delegates).

• Excellent level of spoken English.

Nice to have

• Previous experience in the AdTech industry or in mobile ads integration.

• Experience with SDK development and a deep understanding of the challenges and opportunities in this space.

• Experience in Objective-C, Kotlin, Node.

• Practical experience setting up or customizing AI developer agents and automated AI workflows.

• Experience in optimizing App performance, reducing memory footprint, and decreasing package size.

• Experience in deploying iOS frameworks on CocoaPods.

• Experience in deploying iOS applications with CircleCI and Fastlane.

• Working knowledge of remote APIs, concurrency, layouts, transitions, animations.

Our Stack

⧫ Xcode ⧫ Swift ⧫ Objective-C ⧫ SwiftUI ⧫ Combine ⧫ CoreData ⧫ GitHub ⧫ CocoaPods ⧫ CircleCI ⧫ AWS ⧫ AI Coding Tools & Agentic Workflows

Benefits

• Competitive salary based on experience

• Swile Lunch voucher

• Gymlib (100% covered by Voodoo)

• Premium healthcare coverage with SideCare, 100% covered for you and your family

• Wellness activities in our Paris office

• Remote Fridays

О проекте Brainyyou

Brainyyou - это мобильное приложение и помощник по учебе и подготовке к экзаменам.

Внутри планируем собственную экосистему: часть логики строится на локальных моделях ИИ без постоянного интернета.

Ищем Flutter разработчика, который поможет вывести продукт в стабильный продакшен и развивать его дальше.

Задачи

• Разработка основного приложения Brainyyou на Flutter (iOS / Android)

• Реализация экранов: личный кабинет, выбор предметов, тренажеры, чат с ИИ помощником

• Работа с локальными данными: кеш, офлайн режим, синхронизация при появлении сети

• Интеграция с бэкендом: авторизация, тарификация, личные настройки пользователя

• Настройка и оптимизация взаимодействия с ИИ API и локальными моделями (через готовые SDK и эндпоинты)

• Поддержка и развитие архитектуры проекта, рефакторинг, повышение стабильности

• Участие в продуктовых решениях: UX, логика подсказок, режимы обучения

Требования

• Опыт коммерческой разработки от 1–2 лет

• Уверенный Flutter (Dart)

• Опыт работы с React / React Native

• Понимание архитектурных подходов (MVVM, Clean Architecture или аналогичные)

• Опыт работы с сетевыми запросами (HTTP, REST API)

• Опыт работы с хранением данных (local storage, secure storage, базы данных)

• Умение читать чужой код, поддерживать и развивать существующий проект

• Аккуратность в верстке интерфейсов и внимательность к деталям

Будет плюсом

• Опыт работы с асинхронным кодом и управлением состоянием

• Опыт публикации приложений в App Store и Google Play

• Опыт интеграции SDK для аналитики, подписок, оплаты

• Интерес к теме образования и ИИ помощников

• Опыт оптимизации приложений под слабые устройства и офлайн-сценарии

Мы предлагаем

• Участие в живом продукте, который помогает школьникам

• Влияние на архитектуру и технические решения проекта

• Гибкий формат работы: полностью удаленно

• Оплата по договоренности в зависимости от опыта и вклада

• Возможность вырасти до ведущего разработчика проекта

Формат взаимодействия

• Полная занятость

• Долгосрочное сотрудничество, не разовый фриланс

• Таск-трекинг и коммуникация в удобных современных инструментах

Как откликнуться

Прикрепите резюме и кратко напишите:

• ссылки на App Store, Google Play или GitHub с примерами ваших проектов

• ваш уровень участия в каждом проекте

• желаемый формат и уровень дохода

В начале отклика можно указать фразу “Brainyyou”, чтобы мы быстрее вас нашли среди откликов.