At Semperis, our mission is to be a Force for Good. Starting with being a great place to work. We believe that when people feel valued, supported, and empowered, they do their best work. That’s why we focus on creating an employee experience rooted in purpose, growth, and balance. Semperis has been recognized as one of America’s Fastest-Growing Cybersecurity Companies by the Inc. 5000, a DUNS 100 Top Startup to Work For, and a multi-year Inc. Best Workplace awardee.

What we are looking for:

We are looking for an experienced C# Developer (3+ years) to join our Escalation team.

You will serve as the technical bridge between Support and R&D, tackling complex issues in On-Premise environments. This role requires deep-dive investigation, a troubleshooter mindset, and the ability to implement code fixes within the core product.

Key Responsibilities

• Deep Investigation: Perform root cause analysis on high-level escalations originating from Support.

• Code Ownership: Develop and implement bug fixes and hotfixes in C#.

• Infrastructure Analysis: Troubleshoot issues within Linux, Kubernetes, and OpenSearch environments.

• Advanced Troubleshooting: Resolve complex Network, DB, and protocol-related issues (including WCF).

• Stakeholder Communication: Collaborate with Support/SA/CS teams and communicate directly with technical client stakeholders when needed.

Requirements

• Experience: Minimum 3+ years in backend development (C#).

• Systems Fluency: Hands-on experience with Linux and Kubernetes (K8s).

• Data & Protocols: Experience with OpenSearch/Elasticsearch, DB troubleshooting, and protocols (WCF).

• On-Prem Focus: Understanding of non-cloud deployment constraints.

• Communication: Fluent English is mandatory. Ability to bridge the gap between deep technical analysis and stakeholder management.

Why Join Semperis?
You’ll be part of a global team on the front lines of cybersecurity innovation. At Semperis, we celebrate curiosity, integrity, and people who take initiative. If you’re someone who sees the glass as half full, embraces challenges as growth opportunities, and values a healthy balance between work and life—we’d love to meet you.

**Semperis maintains office locations in several cities across the globe. Candidates who reside within 45 miles of one of our offices—or where the job description specifies a required location—will follow our hybrid work model. This includes working onsite some days per week and remotely the remaining days.

Semperis is an equal opportunity employer and will not discriminate against an applicant or employee based on race, color, religion, creed, national origin or ancestry, ethnicity, sex (including gender, pregnancy, sexual orientation, and gender identity), age, physical or mental disability, veteran or military status, genetic information, citizenship, marital status, or any other legally recognized protected basis under federal, state, or local law. The information collected by the Semperis application is solely to determine suitability for employment, verify identity, and maintain employment statistics.

Applicants with disabilities may be entitled to reasonable accommodation under the Americans with Disabilities Act and/or other applicable state or local laws. A reasonable accommodation is a change in the way things are normally done which will ensure an equal employment opportunity without imposing undue hardship on Semperis. Please inform Semperis representative Anna Taylor, Director of Global Recruiting, if you need assistance completing this application or to otherwise participate in the application process.