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Keeper Security, Inc.

Keeper Security, Inc.

via Remote Rocketship

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Senior Software Engineer, Cross-Platform Client – .NET MAUI / Xamarin

Anywhere
Full-time
Posted 2/24/2026
Verified Source
Key Skills:
.NET
C#
JavaScript
React
Cross-platform development

Compensation

Salary Range

$Not specified

Responsibilities

Design and implement features for cross-platform applications using .NET/C# and React, collaborating with teams and mentoring juniors.

Requirements

Requires 5+ years experience with .NET/C#, cross-platform app development, JavaScript and React, and a relevant degree.

Full Description

Job Description: • Design and implement new features for KeeperChat across desktop, mobile, and web platforms • Develop and maintain cross-platform applications using .NET / C#, including MAUI-based clients • Build and maintain web UI components using JavaScript and React where applicable • Optimize application performance, reliability, and user experience across Windows, macOS, iOS, and Android • Participate in code reviews and contribute to high standards of code quality and security • Collaborate closely with product managers and designers to translate requirements into technical solutions • Mentor junior engineers and contribute to a culture of technical excellence Requirements: • 5+ years of professional software engineering experience • Strong experience with .NET / C# in client or application development • Experience building cross-platform applications (desktop and/or mobile) • Experience with JavaScript and React for web-based UI development • Strong understanding of software design patterns and principles • Experience optimizing performance in client-side or multi-platform applications • Strong debugging and problem-solving skills • Experience working in Agile development environments • Bachelor’s degree in Computer Science, Engineering, or equivalent practical experience Benefits: • Medical, Dental & Vision (Inclusive of domestic partnerships) • Employer Paid Life Insurance & Employee/Spouse/Child Supplemental life • Voluntary Short/Long Term Disability Insurance • 401K (Roth/Traditional) • A generous PTO plan that celebrates your commitment and seniority (including paid Bereavement/Jury Duty, etc) • Above-market annual bonuses

This job posting was last updated on 2/26/2026

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