Björn Fröhling
Senior Software Engineer
Experience
Senior Software Engineer
leansolutions.io
Projects:
iOS Developer Finnair | Helsinki, Finland (Hybrid) Develop and maintain the iOS app as part of Finnair's mobile team. Coordinate release management and facilitate daily team standups. Collaborate with Customer Support to investigate and resolve production incidents with the help of AWS CloudWatch. Tech & Tools: Swift · SwiftUI · Combine · RxSwift · XCTest · XCUITest · CloudWatch
Test Automation Engineer Finnair | Helsinki, Finland (Hybrid) Build reliable UI test suites for iOS and Android using XCTest/XCUITest, Espresso and Python/Robot. Integrate testing workflows into CI/CD using GitHub Actions. Tech & Tools: Swift · XCTest · XCUITest · Kotlin · JUnit · Espresso · Robot Framework · GitHub Actions
Mobile Software Developer Hoxhunt | Helsinki, Finland (Hybrid) Play a key role in developing Hoxhunt's first Enterprise iOS app, integrating Apple's Messages App Extension for seamless user interaction. Design and implement Single Sign-On (SSO) functionality via Universal Links to enhance authentication workflows. Tech & Tools: SwiftUI · Combine · XCTest · Universal Links · Messages App Extension
Mobile Software Developer Reaktor | Helsinki, Finland (Remote) Collaborate with an international team to develop an in-house store activity planning app for UNIQLO, a leading Japanese retailer. Build the app using RxSwift, following functional programming principles to ensure scalability and maintainability. Conduct testing with XCTest, RxTest, Quick, and Nimble to ensure high-quality deliverables. Collaborate on design specifications using Figma and manage project progress through Slack, Miro, and Jira. Tech & Tools: RxSwift · XCTest · Quick & Nimble · GitHub · Figma · Jira
Full Stack Developer Iona | Helsinki, Finland (Remote) Work as a full-stack developer to modernize the website for Alamy.com, a British stock photography agency with over two million monthly visitors. Use TypeScript, Next.js (front end), Nest.js (back end), and Jest for unit testing. Follow agile methodologies with tools like Jira and GitHub. Additionally, update an outdated iOS project to meet the latest App Store requirements. Tech & Tools: Next.js · TypeScript · Nest.js · Jest · Objective-C
Lead Developer / DevOps Ystads Auktioner | Ystad, Sweden (Remote) Lead technology selection while adhering to budget constraints, ensuring efficient and cost-effective solutions. Design and develop the front-end interface using React, TypeScript, and Bootstrap to create a dynamic and responsive user experience. Configure and deploy services on AWS, ensuring scalability and reliability. Automate infrastructure as code, achieving 99.9% uptime. Tech & Tools: React · AWS · Terraform · GitHub Actions
Senior Prototype Developer
Wärtsilä
Contributed to Wärtsilä's mission of transforming traditional marine R&D into an agile, customer-facing process.
Collaborated on projects leveraging cutting-edge technologies such as Rust, Unity3D, and Azure to ensure platform-agnostic solutions.
Worked closely with customers to develop prototypes that assess the technological and economic viability of new product ideas.
Project Highlights:
iOS Mobile Enterprise App: Developed an app for displaying and tracking maritime operational data, such as speed over ground, trim, list, high winds, and weather forecasts, and implemented near real-time mobile notifications to enhance operational awareness.
Unity3D Virtual Reality Application: Created a VR application to assist in the design process of nautical bridge layouts, improving spatial planning and decision-making.
Vessel Remote-Control Center: Participated in the development of a remote-control center for vessels, utilizing Rust, React, and Linux to ensure secure, efficient, and modern operational control.
Tech & Tools: iOS, React.js, Rust, AWS, C#, Docker, Unity3D, Python, Node.js, TypeScript, Microsoft Azure
Software Engineering Consultant
Qvik
Served as an on-site consultant, specializing in planning, integrating, and maintaining mobile services for iOS (Swift/Objective-C), Android, and React Native.
Collaborated closely with clients to translate business needs into actionable solution architecture requirements.
Estimated the financial impact of various technical solutions and guided platform selection and development to align with business objectives.
Tech & Tools: React Native, Swift, Objective-C, iOS, Android, Python
Product Owner
Mobi Lab
Managed end-to-end product lifecycle activities.
Collaborated with clients and development teams to define and analyze requirements.
Created detailed user stories and facilitated story mapping sessions to visualize workflows.
Conducted planning, completion, and retrospective sessions with teams and clients to ensure continuous improvement.
Aligned product backlog items with the product vision and budget constraints to maximize value delivery.
Project Highlights:
AirPatrole: iOS mobile app for remotely controlling an air heating pump.
VPN Client: Developed an iOS and Android VPN client.
Tech & Tools: iOS, Android, Product Management, Software Product Management
Mobile Software Developer
Mobi Solutions
Developed tailored applications for both iPhone and iPad, ensuring seamless functionality and user experience across devices.
Project Highlights:
Touchnote: Postcard app built with iOS.
Tech & Tools: Objective-C, iOS
Industries Experience
See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.
Experienced in Information Technology (12 years), Retail (4 years), Tourism (4 years), Energy (4 years), and Manufacturing (4 years).
Business Areas Experience
The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.
Experienced in Product Development (16 years), Information Technology (14.5 years), and Research and Development (4 years).
Summary
Throughout my career, I have gained extensive experience in diverse roles, including Software Engineering, Product Ownership, and Consultancy. This breadth of expertise has enabled me to deliver innovative solutions, bridge the gap between technical and business needs, and adapt to various industries and project scopes.
Skills
- Ios
- Android
- React
- React Native
- Node.js
- Python
- Unity 3d
- C#
- Aws
Languages
Education
Tallinn University
Exchange studies · Tallinn, Estonia
Kristianstad University
Bachelor of Computer Science · Computer Science · Kristianstad, Sweden
Certifications & licenses
Professional Scrum Master (PSM I)
AWS Certified Cloud Practitioner
AWS
SAFe 4 Certified Agilist
Profile
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