Sr. Fullstack Engineer / .Net / React Native / M

$140000 - $160000

Our client is a Southern California product engineering company building streaming applications for media organizations. Its platform supports live and on-demand content across web, mobile, and connected TV. They are seeking a Senior Full-Stack Software Engineer (.NET, React + Native Apps) for a remote role.

This is a hands-on position spanning backend services, web applications, and native or cross-platform clients. The ideal candidate has strong C#/.NET and React/TypeScript experience and has shipped an application on at least one mobile or connected TV platform.

Responsibilities

• Build features across .NET backend services, React/TypeScript web applications, and mobile or connected TV clients.

• Develop shared components and architecture that work across multiple platforms.

• Integrate applications with REST APIs, authentication, cloud services, telemetry, device capabilities, and media playback.

• Diagnose platform-specific issues involving app lifecycle, memory, device compatibility, remote navigation, and playback.

• Help determine when to use native SDKs, cross-platform frameworks, or web-based approaches.

Required Experience

• Senior-level C#/.NET experience and strong hands-on React/TypeScript development.

• A native or cross-platform application shipped to production on at least one platform such as Android, iOS, React Native, .NET MAUI/Xamarin, Roku, Tizen, or tvOS.

• Experience connecting client applications to production APIs, authentication systems, cloud services, telemetry, and device features.

• Practical knowledge of platform SDKs, application lifecycle, networking, performance, deployment, compatibility, and device debugging.

• Ability to contribute across backend, web, and client codebases.

Strongly Preferred

• Connected TV development experience with platforms such as Roku, Fire TV, Samsung Tizen, LG webOS, tvOS, or Android TV.

• On-device media playback experience, including HLS/DASH, buffering, DRM, live latency, or captions.

• .NET MAUI or shared C# client architecture experience.

• App store or device manufacturer certification experience.

Nice to Have

• BrightScript or Roku channel development.

• In-app purchases, entitlements, or subscription and ad-supported video workflows.

• Experience building shared SDKs for deployment across multiple device platforms.

The Offer:

• $130,000–$160,000 base salary

• Remote role

• Bonus incentives based on individual and company performance

• Full benefits

• Stock options

• 401(k) match

Motion Recruitment Partners (MRP) is an Equal Opportunity Employer. All applicants must be currently authorized to work on a full-time basis in the country for which they are applying, and no sponsorship is currently available. Employment is subject to the successful completion of a pre-employment screening. Accommodation will be provided in all parts of the hiring process as required under MRP’s Employment Accommodation policy. Applicants need to make their needs known in advance.