Software Engineer – Cross-Platform SDK Development

smartclip

Software Engineer building cross-platform SDKs for smartclip’s connected-TV and mobile advertising technology. Aligning TypeScript architectures and native platform performance across AppleTV, FireTV, Android, HbbTV, and iOS.

Posted 8/7/2026full-timeBerlin • 🇩🇪 GermanyMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

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 ExperienceMobile Development with React NativeStrong Experience with Jest and VitestCollaboration Across Technical PerspectivesUnderstanding of Optimization for Limited Resources

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

TypeScriptVanilla JavaScriptReact NativeKotlinSwiftJestVitestSDK DevelopmentTechnical Debt ManagementCode Review

Soft Skills

MentorshipCollaboration

Tools & Technologies

DockerKubernetesJenkinsGrafanaGraylog

Industry Keywords

CTVMobile EcosystemPlatform-Specific LogicHigh-Performance SDKsArchitecture Alignment

Tech Stack

Tools & technologies

AndroidDockerGrafanaiOSJavaScriptJenkinsJestKotlinKubernetesReactReact NativeSwiftTypeScript

About the role

Key responsibilities & impact

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

What you’ll need

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

Benefits

Comp & perks

30 days of vacation
Dec 24 & 31 off
Smart Fridays (4 days week possible)
Germany ticket
JobRad
Sports & health offerings
Mental health support
Corporate benefits
RTL+ access
Hackathons, conferences, and community opportunities
Anniversary Programme gifts
Corporate discount offerings of up to 40%
Gift matching up to €250
Mental health expert support in Cologne, Hamburg, or remotely
Referral Programme rewards
Fully paid Social Day
Gym reimbursement
Urban Sports Club membership
Bike leasing
Thank you Programme: €100 bonus every six months for exceptional colleagues