Software Engineer – Cross-Platform SDK Development

Jobtailor; Berlin; Vor Ort; EUR 90.000 - 130.000; Vollzeit

Zusammenfassung

Jobtailor in Berlin is seeking an experienced SDK/Platform engineer to develop high-performance SDKs for the CTV and mobile ecosystem, including AppleTV, FireTV, Android, HbbTV, and iOS. You will implement platform-specific logic on top of a shared TypeScript core and help shape architecture across SDKs.

You will champion testing with Jest and Vitest, mentor peers, conduct thoughtful code reviews, and collaborate across teams to deliver optimized solutions while balancing feature delivery with

Qualifikationen

• Advanced TypeScript experience with complex architectures.
• Ability to work with Vanilla JavaScript when required by a platform.
• Experience in mobile development with React Native, Kotlin, Swift, or device-specific engineering.
• Understanding of optimization for limited resources.
• Strong experience with Jest and Vitest testing.
• Ability to collaborate across technical perspectives.
• Knowledge of Docker, Kubernetes, and Jenkins is a bonus.
• Portfolio, side project, or demo repository demonstrating production-ready code.

Aufgaben

• Develop and evolve high-performance SDKs across the CTV and Mobile ecosystem (AppleTV, FireTV, Android, HbbTV, iOS).
• Identify platform overlaps and align architectures across SDKs and tools.
• Influence product direction by balancing rapid feature delivery with refactoring and technical debt reduction.
• Implement platform-specific logic on top of a shared TypeScript core.
• Establish a robust testing culture using Jest and Vitest.
• Provide mentorship and conduct high-standard code reviews.
• Collaborate across technical perspectives to find unified solutions.
• Use AI to accelerate development while designing systems, steering output, and taking responsibility for shipped work.

Kenntnisse

TypeScript

Vanilla JavaScript

React Native

Kotlin

Swift

Jest

Vitest

SDK Development

Technical Debt

Code Review

Tools

Docker

Kubernetes

Jenkins

Grafana

Graylog

Jobbeschreibung

• Develop and evolve high-performance SDKs across the CTV and Mobile ecosystem, including AppleTV, FireTV, Android, HbbTV, and iOS
• Identify platform overlaps and align architectures across SDKs and tools
• Influence product direction by balancing rapid feature delivery with strategic refactoring and technical-debt reduction
• Implement platform-specific logic on top of a shared TypeScript core
• Establish a robust testing culture using Jest and Vitest
• Provide mentorship and conduct high-standard code reviews
• Collaborate across technical perspectives to find unified solutions
• Use AI to accelerate development while designing systems, steering output, and taking responsibility for shipped work

Requirements

• Advanced TypeScript experience with complex architectures
• Ability to work with Vanilla JavaScript when required by a platform
• Experience in mobile development with React Native, Kotlin, Swift, or device-specific engineering
• Understanding of optimization for limited resources
• Strong experience with Jest and Vitest testing
• Ability to collaborate across technical perspectives
• Knowledge of Docker, Kubernetes, and Jenkins is a bonus
• Ability to navigate Grafana dashboards and Graylog traces is a bonus
• Portfolio, side project, or demo repository demonstrating production-ready code

Core Competencies

Demonstrates advanced TypeScript expertise in developing high-performance SDKs for CTV and mobile platforms, with a strong focus on testing methodologies using Jest and Vitest. Capable of collaborating across technical perspectives to deliver optimized solutions while mentoring team members and managing technical debt.

Highest-signal resume keywords

• Advanced TypeScript Experience
• Mobile Development with React Native
• Strong Experience with Jest and Vitest
• Collaboration Across Technical Perspectives
• Understanding of Optimization for Limited Resources

ATS Optimization Keywords

Hard Skills

• TypeScript
• Vanilla JavaScript
• React Native
• Kotlin
• Swift
• Jest
• Vitest
• SDK Development
• Technical Debt Management
• Code Review

Soft Skills

• Mentorship
• Collaboration

Industry Keywords

• CTV
• Mobile Ecosystem
• Platform-Specific Logic
• High-Performance SDKs
• Architecture Alignment

Tools & Technologies

• Docker
• Kubernetes
• Jenkins
• Grafana
• Graylog