Mobile App Developer II

Ziff Davis, LLC; Helsinki; On-site; EUR 75,000 - 80,000; Full time

Job summary

Ookla, an Accenture company, is seeking a Senior iOS Developer to join the mobile applications team. You will design and enhance iOS apps, combining native Swift with cross-platform approaches like Kotlin Multiplatform and Capacitor, to deliver high-quality experiences for users and clients.

You will collaborate with product managers, designers, QA, and other engineers, mentor juniors, and troubleshoot complex issues to ensure robust releases in a fast-growing, global environment.

Qualifications

• Bachelor's or master’s degree in computer science or related field or equivalent experience
• Strong working knowledge in mobile development on iOS (Swift) and preferably a couple of projects using Android & Kotlin too
• Experience with Kotlin Multiplatform or Capacitor, or willingness to learn
• AI fluency: being able to utilize AI as part of your daily work
• Excellent troubleshooting and analysis skills
• Strong communication skills both in person and via virtual mediums
• Strong time management skills and a self driven work ethic
• Background check

Responsibilities

• Adapt and further develop our current iOS applications architecture to support new features that require system understanding covering our proprietary measurement devices’ data and control planes, and corresponding data and API architecture in the cloud.
• Design and develop advanced mobile applications on iOS, using both native and cross-platform tools like Kotlin Multiplatform libraries and TypeScript/Vue.js/React based UI development.
• Collaborate with product managers, designers, and other teams to deliver high-quality features.
• Mentor and guide junior team members, helping them understand architectural principles, best practices, and effective ways of working.
• Debug, troubleshoot, and resolve technical issues for stable and efficient applications.

Skills

iOS development

Swift

Android

Kotlin Multiplatform

Capacitor

TypeScript

Vue.js

React

AI fluency

Debugging

Mentoring

Communication

Education

Bachelor's or Master's in CS or related field

Job description

We are looking for a talented Senior iOS Developer to play a key role in the mobile applications’ development team. You have a strong history with iOS development, and ideally, you have some experience with Android too so that you can adapt your expertise to multi-platform projects when needed. Working alongside product managers, designers, QA engineers, and other developers, you’ll be instrumental in delivering high-quality applications that meet the needs of our users and clients. We value curiosity, innovation and willingness to continuously learn new technologies.

This is a unique opportunity to play a key role in the success of a rapidly growing company with a global footprint.

We foster a flexible, inclusive work environment that values creativity, collaboration, and individual expression. If you’re excited about solving complex Wi-Fi networking challenges for customers and driven by customer success, we’d love to meet you.

Key Responsibilities

You are able to adapt and further develop our current iOS applications architecture to support new features that require system understanding covering our proprietary measurement devices’ data and control planes, and corresponding data and API architecture in the cloud.

You can design and develop advanced mobile applications on iOS, using both native and cross-platform tools like Kotlin Multiplatform libraries and TypeScript/Vue.js/React based UI development.

You can collaborate with product managers, designers, and other teams to deliver high-quality features.

You are enthusiastic about mentoring and guiding junior team members, helping them understand architectural principles, best practices, and effective ways of working.

You can debug, troubleshoot, and resolve technical issues for stable and efficient applications.

Job Qualifications

We are looking for the right person, not the exact list of requirements. If you believe your life experience has prepared you for similar challenges, we’d like to hear from you.

Bachelor's or master’s degree in computer science or related field or equivalent experience

Strong working knowledge in mobile development on iOS (Swift) and preferably a couple of projects using Android & Kotlin too

Experience with Kotlin Multiplatform or Capacitor, or willingness to learn

AI fluency: being able to utilize AI as part of your daily work

Excellent troubleshooting and analysis skills

Strong communication skills both in person and via virtual mediums

Strong time management skills and a self driven work ethic

Background check

About

Ookla, an Accenture company, is a global leader in connectivity intelligence that brings together the trusted expertise of Speedtest®, Downdetector®, Ekahau®, and RootMetrics® to deliver unmatched network and connectivity insights. By combining multi-source data with industry-leading expertise, we transform network performance metrics into strategic, actionable insights.

Our solutions empower service providers, enterprises, and governments with the critical data and insights needed to optimize networks, enhance digital experiences, and help close the digital divide. At the same time, we amplify the real-world experiences of individuals and businesses that rely on connectivity to work, learn, and communicate. From measuring and analyzing connectivity to driving industry innovation, Ookla helps the world stay connected.

About Accenture

Accenture helps the world’s leading enterprises reinvent by building their digital core and unleashing the power of AI to create value at speed for organizations across industries. Our strategy is to be the reinvention partner of choice for our clients and lead in the safe, widespread adoption of AI, and to be the most client focused, AI-enabled, great place to work in the world. We bring together the talent of our approximately 799,000 people with proprietary assets and platforms, deep process and industry expertise, and leading ecosystem relationships to deliver end-to-end solutions and measurable outcomes at scale. Through our Reinvention Services, we offer broad expertise across Cybersecurity, Digital Core, Finance, Industry and Enterprise, Song, Supply Chain and Engineering, and Talent, with advanced capabilities in AI and Data, Industry and Process, and Technology. We serve approximately 9,000 clients and generated approximately $70 billion in FY25 revenue. Visit us at accenture.com .

Compensation Range

Ookla provides a range for the base pay. Factors that may be used to determine your actual pay may include your specific job related knowledge, skills, experience, and geographic location. The salary compensation for this role is €75,000 - €80,000 . Individual pay within the compensation range for this business unit specific role is determined based on a variety of factors including experience, scope of the role, capabilities to perform the role, education and training, as well as business and company performance.