Keeper Security

Senior Desktop Software Engineer (C# / .NET)

El Dorado Hills, California, United States

Not SpecifiedCompensation
Senior (5 to 8 years)Experience Level
Full TimeJob Type
UnknownVisa
CybersecurityIndustries

Position Overview

  • Location Type: Remote
  • Job Type: Not specified
  • Salary: Not specified

Keeper Security is seeking a highly skilled and experienced Senior Desktop Software Engineer (C# / .NET) to join their growing engineering team. This is a 100% remote position with an opportunity to work a hybrid schedule for candidates based in El Dorado Hills, CA or Chicago, IL. Keeper's cybersecurity software is trusted by millions of people and thousands of organizations, globally. Keeper is published in 21 languages and is sold in over 120 countries. Join one of the fastest-growing cybersecurity companies and be responsible for taking their suite of products to the next level!

Keeper Security is transforming cybersecurity for people and organizations around the world. Keeper’s affordable and easy-to-use solutions are built on a foundation of zero-trust and zero-knowledge security to protect every user on every device. Their award-winning, zero-trust, privileged access management platform deploys in minutes and seamlessly integrates with any tech stack and identity application to provide visibility, security, control, reporting and compliance across an entire enterprise. Trusted by millions of individuals and thousands of organizations, Keeper is an innovator of best-in-class password management, secrets management, privileged access, secure remote access and encrypted messaging.

As a Senior Desktop Software Engineer (C# / .NET), you will lead the design, development, and optimization of robust desktop applications that run securely and efficiently across Windows, macOS, and Linux. You will collaborate with fellow engineers, product managers, and designers to implement cutting-edge functionality and maintain the highest standards of security and performance. This role requires a strong systems-level understanding and the ability to navigate OS-specific APIs and network communication protocols.

Responsibilities

  • Design, develop, and maintain new features for cross-platform desktop applications using C# and .NET Core
  • Write clean, maintainable, and well-documented code following best practices and secure development standards
  • Identify and resolve performance bottlenecks in desktop software and underlying systems
  • Work closely with product managers and designers to implement functional and user-friendly experiences
  • Analyze and troubleshoot system issues across operating systems and hardware configurations
  • Contribute to the software architecture and design of large-scale, security-focused desktop systems
  • Mentor junior engineers and contribute to continuous team improvement
  • Participate in Agile planning, estimation, and progress tracking
  • Document technical decisions, solutions, and integration processes
  • Stay current with the latest C#, .NET, and desktop application trends, libraries, and tools

Requirements

  • 5+ years of professional experience in desktop application development using C# and .NET
  • Expertise in cross-platform desktop software engineering with a focus on Windows, macOS, and Linux environments
  • Advanced knowledge of:
    • API hooking and techniques for process inspection
    • Ahead-of-Time (AOT) compilation and performance tuning
    • Secure network communication protocols (HTTPS, MQTT, TCP, WebSockets)
  • Deep understanding of native OS APIs and architecture on multiple platforms
  • Strong troubleshooting skills and experience analyzing low-level application behavior
  • Excellent communication and collaboration skills across technical and non-technical teams
  • Experience in Agile development environments and code review processes

Preferred Qualifications

  • Understanding of identity systems such as Active Directory, LDAP, and other identity providers (e.g., Okta, Azure AD)
  • Background in endpoint security, secure desktop development, or operating system-level software
  • Experience with open source contributions or SDK/tooling projects
  • Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field (or equivalent practical experience)

Skills

C#
.NET
Desktop Application Development
Windows
macOS
Linux
OS-specific APIs
Network Communication Protocols
Security
Performance Optimization

Keeper Security

Cybersecurity solutions for data protection

About Keeper Security

Keeper Security provides cybersecurity solutions aimed at protecting sensitive data for individuals and businesses. Its main product is a zero-knowledge security platform, which means that the company cannot access the data stored by its users, ensuring high levels of privacy and security. This platform is scalable, allowing it to adapt to the needs of various organizations, from small businesses to large enterprises. Unlike many competitors, Keeper Security is recognized for its extensive audits and certifications, which enhance user trust. The company operates on a subscription-based model, offering tailored plans for personal, family, student, business, and enterprise use, with options for multi-year commitments that provide savings. The goal of Keeper Security is to deliver reliable data protection while ensuring continuous updates and support for its users.

Chicago, IllinoisHeadquarters
2011Year Founded
$58.6MTotal Funding
GROWTH_EQUITY_VCCompany Stage
CybersecurityIndustries
201-500Employees

Benefits

Health Insurance
Dental Insurance
Vision Insurance
Life Insurance
Disability Insurance
401(k) Retirement Plan
401(k) Company Match
Unlimited Paid Time Off

Risks

Emerging cybersecurity startups could erode Keeper's market share.
AI-driven cyber threats require Keeper to continuously adapt its security protocols.
Regulatory scrutiny on data privacy may increase Keeper's compliance costs.

Differentiation

Keeper Security offers a zero-knowledge security platform ensuring maximum data privacy.
The company is SOC-2 and ISO 27001 certified, enhancing trust and reliability.
Keeper's subscription model provides continuous updates and tailored plans for diverse customer needs.

Upsides

Growing demand for zero-trust architecture boosts Keeper's market potential.
Strategic partnerships, like with Sherweb, expand Keeper's market reach.
Increased cybersecurity needs in sectors like legal and sports enhance Keeper's relevance.

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