Senior Engineering Manager @ Sentry

Sentry is a developer-first application monitoring platform that helps developers see what actually matters, solve issues quicker, and learn continuously about their applications.

Director of Engineering @ Bitmovin

Bitmovin's vision is to shape the future of video by enabling customers to play, encode and analyze video content simply, efficiently and with the highest quality imaginable.

Responsibilities & achievements

• Leading multiple teams (14+ engineers & managers) building Bitmovin's Video Player SDKs
• Collaborating with product management and stakeholders to align engineering roadmaps with business goals and industry standards
• Initiated & drove Bitmovin's AI transformation with the goal of leveraging AI to create an advantage specific to our industry, strengthen our moat and increase productivity across all teams
• Assuming responsibility for AI compliance and governance, ensuring adherence to GDPR and the EU AI Act, and guiding teams in building trustworthy and regulation-compliant AI solutions
• Owning company-wide initiatives to increase product usage, reduce customer churn, and optimise internal processes such as performance reviews
• Improved the recruitment process to raise hiring confidence and reduce time-to-offer to less than 2 weeks
• Conducted 200+ interviews (technical, managerial, bar raiser) for IC and leadership roles, partnering with in-house Talent Acquisition and external agencies
• Defined various management processes & frameworks for onboarding/offboarding, promotions, career development, OKRs, as well as metrics for the Engineering/Product Organisation to measure performance/delivery and enable data-driven decisions
• Defined and implemented a CI/CD strategy that reduced costs by up to 16x, cut feedback loops by 50%, and transformed a full-day manual release process into fully automated one-click deployments
• Mentoring, coaching, and sponsoring team members' growth, resulting in multiple promotions
• Holding (bi-)weekly 1:1s with all team members, providing ongoing feedback and conducting structured biannual performance reviews
• Championing a culture of innovation, continuous improvement, and knowledge sharing across engineering teams

Tech Stack

React React Native TypeScript JavaScript Flutter Dart Kotlin Java Swift Objective-C Coroutines Flows Dagger Kotest MockK Strikt Kotlin Multiplatform OCMock Cuckoo Quick Nimble SwiftLint Fastlane CircleCI Jenkins GitHub Actions SonarCloud Go ScyllaDB MySQL Kubernetes Docker Prometheus Grafana AWS GCP Cloudflare

Senior Engineering Manager @ Bitmovin

Responsibilities & achievements

• see industry/company details & responsibilities above

Engineering Manager @ Bitmovin

Responsibilities & achievements

• see industry/company details & responsibilities above

Lead Mobile Engineer & Team Lead iOS @ Bloom Diagnostics

Bloom Diagnostics' innovative platform combines state-of-the-art medical knowledge, computer science, biotechnology and data analytics and enables you to gain deep health insights in just a few minutes.

Responsibilities & achievements

• Led a team of 3+ Mobile/QA engineers building Bloom Diagnostics' mobile applications
• Worked with team members on their career development through mentoring, coaching and sponsoring
• Optimised their recruitment process to increase hiring confidence while decreasing time from first conversation to offer to less than 2 weeks and conducted 100+ interviews for various roles (iOS, Android, QA, Backend, UI/UX, Product Owners, Data Scientists, Regulatory Managers, Head of Engineering, etc.)
• Defined the scope of the MVP through conversing with relevant stakeholders, rewrote 2/3 of their iOS application within 7 months and eventually launched it in Apple's App Store in December 2020
• Established coding and code quality guidelines and setup various static code analysis tools
• Drastically reduced application size by a factor of 7x and memory consumption by a factor of 10x and resolving crashes and memory leaks
• Set up their CI/CD infrastructure, Analytics and Crash Reporting from scratch and ensuring a crash-free application (>99.9% crash-free sessions) by introducing a solid suite of automated tests (code coverage > 80%)
• Built an application allowing to distribute beta builds and release production builds through the click of a single button
• Created documentation and automated their documentation process ensuring compliance with regulatory requirements
• Held weekly 1:1 meetings with every team member, providing regular feedback and conducting biannual performance reviews
• Conducted internal and external trainings about Bloom Diagnostics' Software and Applications

Tech Stack

Swift UIKit SwiftUI Combine Kotlin Multiplatform Mobile MVVM-C Firebase GitLab CI Fastlane SwiftLint SwiftFormat Periphery Danger NoSQL DB CryptoKit (AES GCM) CoreBluetooth CoreNFC Unit Tests Integration Tests UI Tests Snapshot Tests REST API with Clojure Backend

Team Lead iOS @ Shpock

Shpock is a mobile marketplace with over 10 million active users and 2 billion screen views per month in total and brings millions of private buyers and sellers as well as local businesses together.

Responsibilities & achievements

• Led a team of 7+ iOS Software Engineers and worked as tech lead in a cross-functional team on a product with 50+ million store downloads and 250k+ 5-star ratings
• Conducted 150+ interviews for various roles in the product & tech team
• Created individual development plans for team members enabling them to progress in their careers
• Held biweekly 1:1 meetings with each team member
• Re-architected large legacy project (6+ years old) to use MVVM-C enabling the possibility of writing automated tests
• Defined guidelines for Code Style, Commit Messages, Pull Requests, Dependencies, etc.
• Worked with the team to reduce the percentage of Objective-C code from > 90% to < 30% in two years
• Improved the overall performance of Shpock's iOS application (memory consumption, network traffic, leaks, crashes, app size, etc.)
• Conducted testing workshops with the team stressing the importance of creating automated tests
• Set up CI/CD system from scratch using Jenkins & Fastlane
• Collaborated with various stakeholders to refine ideas and map them into acceptance criteria
• Planned and implemented first modularisation steps aiming to break the monolith into separate modules
• Ensured percentage of crash-free users at/above > 99.9% at roughly 10+ million single active users/month and 2 billion+ screen views/month

iOS Engineer @ Shpock

Responsibilities & achievements

• Restructured their iOS project, introduced MVVM-C architecture and wrote their first automated tests
• Developed new features using the MVC and MVVM-C architecture whilst being part of an Agile Team
• Reviewed code from other engineers and provided feedback
• Refactored large chunks of Objective-C code to Swift and broke up god classes with 2k+ lines of code into separate classes
• Integrated Google DFP for Advertising into the project and refactored ad-related logic making it simple to introduce ads in different places
• Conducted 50+ interviews for software engineers and product team members

Tech Stack

Swift Objective-C UIKit OpenCombine MVVM-C Firebase Google Analytics FB SDK Google SDK PayPal Adyen Google Mobile Ads Google DFP Jenkins Fastlane REST API SwiftLint Unit Tests UI Tests Quick Nimble