Senior Mobile Engineer - Cross Platform

About Hawk-Eye Innovations

Hawk-Eye Innovations is at the forefront of sports technology, delivering officiating, tracking, broadcast and performance solutions across some of the world's biggest sports. As part of Sony Sports, we continue to push the boundaries of innovation, helping athletes, coaches, teams, broadcasters and governing bodies make better decisions through technology.

About the Role

We are building a new generation of tracking services for elite and semi-professional sport, bringing powerful technology to an area of sport that has never had access to it before.

As a Senior Mobile Engineer , you will take ownership of the mobile application that sits at the heart of the user experience. This is the part of the product people actually interact with -capturing data, coordinating devices, managing uploads and guiding users through workflows that need to work reliably in challenging real-world environments.

Working within a small, highly collaborative cross-functional team, you will have significant autonomy to design, architect and build solutions across both iOS and Android. You will work closely with backend, computer vision and product teams to deliver products used by athletes, coaches and teams around the world.

This is an exciting opportunity to join a team embracing AI-augmented development practices, helping to shape how modern software products are built while delivering technology that has a direct impact on sport.

Key Responsibilities

Own the design, architecture and implementation of our mobile application across iOS and Android

Build and maintain the capture layer, including camera control, session management, recording and local storage

Design and implement coordination between multiple devices operating as a single system

Build resilient media and data transfer capabilities that perform effectively across unreliable and intermittent network connections

Integrate native components developed by our computer vision teams into the mobile application

Manage application releases across all environments, including app store submissions, testing tracks and release processes

Implement monitoring, crash reporting and observability capabilities to support products operating in the field

Ensure code is scalable, maintainable, testable and aligned with engineering best practices

Collaborate with Product, Design, Backend and Computer Vision teams to deliver high-quality solutions

Contribute to planning, estimation and delivery activities across the squad

Communicate effectively with both technical and non-technical stakeholders

Utilise AI-assisted and AI-augmented development practices as part of the team's engineering approach

Work with shared design systems and frontend components to create a consistent experience across web and mobile platforms

What We're Looking For

Essential Skills & Experience

4+ years of commercial experience developing mobile applications

Experience delivering and maintaining applications across the full software lifecycle, from concept through to production release

Demonstrable experience shipping applications to the App Store and/or Google Play Store

Strong experience with cross-platform mobile development technologies such as React Native, Flutter or Kotlin Multiplatform

Strong React and TypeScript experience

Experience designing and architecting mobile applications

Strong understanding of native iOS and Android development using Swift and Kotlin

Experience integrating native functionality into cross-platform applications

Experience working with mobile camera functionality, media capture and local storage

Experience building applications that operate reliably across variable network conditions

Experience integrating with backend services and APIs

Desirable Skills & Experience

Experience with CI/CD pipelines and automated mobile release processes

Experience writing unit and integration tests

Experience with Git-based development workflows and code review practices

Familiarity with Jira or similar task management tools

Experience working with design systems and shared component libraries

Understanding of real-time or latency-sensitive systems

Experience integrating computer vision or machine learning components into mobile applications

Experience coordinating multiple devices within a single workflow or distributed system

Our Technology Stack

Our technology stack includes:

Swift

Kotlin

TypeScript

React

C++

REST APIs

WebSocket APIs

AWS

Git & GitHub Actions

Jira

Shared React component libraries

Why Hawk-Eye?

At Hawk-Eye, you'll have the opportunity to work on technology used across the world's leading sports while solving complex technical challenges alongside talented engineers and product teams. You'll play a key role in shaping products from the ground up, working in an environment that values innovation, collaboration and continuous learning.

If you're excited by the opportunity to build cutting-edge mobile products that make a genuine impact in sport, we'd love to hear from you.

Hungary Benefits

Annual Leave: Standard according to local labour law

Flexible Working: Hybrid model (2 days in our office per week)

Access to sporting events and tickets

Sony Group Company Discounts

Other Benefits: Cafeteria options (SZÉP Card, Nursery & Kindergarten contributions, Annual MOL Bubi Pass), Private Medical Insurance, Life & Accident Insurance, MindentMent Dental Clinic discounts, Seniority Awards, Employee Assistance Program