Senior C# & Delphi Engineer: Build Scalable Apps

Hornetsecurity GmbH
Ohio

Intro

Join our fight against cybercrime and play a key role in developing our security services!

This is a remote full-time permanent position available immediately.

Your Job

  • You will be responsible for creating, improving and maintaining business logic and UI parts of the Hornetsecurity endpoint protection products that help users around the world to remove malware from their systems and stay protected. This role is specifically dedicated to Windows OS development .
  • Primary responsibility is focused on architecture, development and maintenance related to new and existing Hornetsecurity client software components. This involves everything from minor code changes to design of new modules, including writing code, debugging, testing, and documentation.
  • Ability to develop written design specifications from project management input, discussions with key team members and customer feedback.
  • Complete documentation and provide input to improve procedures for installation, development and maintenance processes.

Your Profile

  • Strong background in C#/.net Core development for desktop applications (3+ years). Knowledge of other programming languages is a major plus.
  • Strong background in Delphi development for desktop applications (3+ years)
  • Solid knowledge Windows architecture .
  • Hands on experience in crash dump analysis.
  • Knowledge of common source control systems.
  • Fluent verbal and written communication skills in English.
  • Free space for innovation and independent action in a fast-growing international company.
  • Work-from-home option and flexible working hours.
  • 30 days of vacation, permanent employment contracts.
  • Be-Active Bonus – we subsidize your gym memberships.
  • Whether by car, public transport, or bike – we make your commute easier with free parking, a GVH JobCard (Hanover), a tax-free commuting allowance (Berlin), or bike leasing.
  • Employer contribution to the company pension plan.
  • Referral Bonus: €1,500 for every successful candidate referral.
  • Temporary Employee Exchange Program – we support you in working from our global office locations while exploring the world (e.g., Malta, Madrid, Montréal, Washington, D.C.).
  • Team events like laser tag, an escape room, or a get-together at our own legendary beer truck in Hanover – let yourself be surprised!

Your application form

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Message

Talentpool

Julia Klein (Team Lead Recruiting) and our Recruiting Team are excited to get to know you!

Simply apply proactively and convince us of your abilities!

Hornetsecurityis a leading global provider of next-generation cloud-based security, compliance, backup, and security awareness solutions that help companies and organisations of all sizes around the world. Its flagship product, 365 Total Protection, is the most comprehensive cloud security solution for Microsoft 365 on the market. Driven by innovation and cybersecurity excellence, Hornetsecurity is building a safer digital future and sustainable security cultures with its award-winning portfolio. Hornetsecurity operates in more than 120 countries through its international distribution network of 12,000+ channel partners and MSPs. Its premium services are used by more than 125,000 customers.

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Posted 2026-05-01

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