Senior C# Backend Engineer @ Opswat Kft.

At  OPSWAT , we’re on a mission to protect the world’s most critical infrastructure. As a U.S.-based cybersecurity leader, we’re expanding our R&D footprint in Hungary — and we’re looking for a Senior C#  Backend Engineer to join our team working on one of our most strategic solutions : MetaDefender Secure Managed File Transfer (MFT).

MetaDefender Secure MFT empowers enterprises to securely transfer sensitive files across systems, networks, and borders. Trusted by governments and global organizations, we are at the heart of secure data movement — and we’re expanding its future in  Veszprém .

You’ll take part in designing and building the backend services that power our secure file transfer platform, working closely with engineers, security experts, and researchers.

As part of our cybersecurity-focused company, you will be developing cutting-edge software solutions that protect critical infrastructure from ever-evolving cyber threats. Your work will make a real impact —defending the digital front lines of industries, governments, and essential systems around the world.

If you’re experienced in backend development, interested in cybersecurity, and excited to make real-world impact by protecting critical infrastructure, this is your opportunity!

Why You'll Love Working Here

• Stable, growing international company background with an exceptional customer group
• The newest technology environment
• Extra benefits – supported sport activities (kettlebell training and football), massage, language courses, equipped kitchen etc
• MetaDefender Managed File Transfer is one of our fastest-growing solutions, and this is your opportunity to be part of its future
• Attractive working environment – nice office full of accessories (fruits every day, coffee, breakfast, tea etc.)
• Regular team events and Happy Hour activities
• Minimum 4 years C# programming experience
• Experience in version management (preferably git)
• It’s nice to have experience with programming languages such us C++; Python; Node.js
• Good English skills
• Open to learn new technologies every day and don’t be afraid to make mistakes
• It’s good to have home / hobby project showing your commitment to programming
• CI / CD experience is an advantage
• Experience with containerization (Docker, K8s) is a plus
• Sincere interest in Cloud solutions (AWS; Azure) is appreciated
• Skilled in test automation or eager to learn how to eliminate boring manual tasks

At  OPSWAT , we’re on a mission to protect the world’s most critical infrastructure. As a U.S.-based cybersecurity leader, we’re expanding our R&D footprint in Hungary — and we’re looking for a Senior C#  Backend Engineer to join our team working on one of our most strategic solutions : MetaDefender Secure Managed File Transfer (MFT).

MetaDefender Secure MFT empowers enterprises to securely transfer sensitive files across systems, networks, and borders. Trusted by governments and global organizations, we are at the heart of secure data movement — and we’re expanding its future in  Veszprém .

You’ll take part in designing and building the backend services that power our secure file transfer platform, working closely with engineers, security experts, and researchers.

As part of our cybersecurity-focused company, you will be developing cutting-edge software solutions that protect critical infrastructure from ever-evolving cyber threats. Your work will make a real impact —defending the digital front lines of industries, governments, and essential systems around the world.

If you’re experienced in backend development, interested in cybersecurity, and excited to make real-world impact by protecting critical infrastructure, this is your opportunity!

Why You'll Love Working Here

We have multiple open positions across various departments, and our new team members will work in diverse areas., During the selection process, we will assist you in finding the role that best matches your skills and interests. Here you can find the various departments : , Activity Report : Contributing to the development and enhancement of the Activity Report feature, ensuring accurate tracking, reporting, and visualization of user and system activities across the platform, Audit Logging : Designing and implementing robust audit logging mechanisms to ensure traceability, compliance, and transparency of system actions and user activities, Role-Based Access Control : Implementing and maintaining Role-Based Access Control (RBAC) systems to enforce fine-grained access policies across services and APIs, Search & Notification : Developing in-content search capabilities (e.g., full-text or metadata search) to enable efficient file discovery within large-scale file-sharing platforms, leveraging technologies like Elasticsearch or similar] Requirements : C#, Version Management, C++, Python, Node.js, CI / CD, Docker, K8s, AWS, Azure Tools : . Additionally : Private healthcare, Cafeteria, Stock options, Ingyenes angol nyelvi kurzus, Utazási költségtérítés, Szemüvegtámogatás, Free coffee, Bike parking, Shower, Free snacks, Free beverages, Free parking, In-house trainings, Modern office, No dress code.