Senior C# Backend Engineer

OPSWAT, a global leader in IT, OT, and ICS critical infrastructure cybersecurity, delivers an end-to-end platform that gives public and private sector organizations and enterprises the critical advantage needed to protect their complex networks, secure their devices, and ensure compliance. Over the last 20 years our commitment to innovative technology has earned the trust of more than 1,700 organizations, governments, and institutions globally, solidifying our role in protecting the world’s critical infrastructure and securing our way of life.

The Position

At OPSWAT’s Technology Development Centre in Veszprém, we are looking for talented Senior C# Backend Engineer to join our team working on one of our most strategic solutions: MetaDefender Secure Managed File Transfer (MFT). 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!

In Veszprém, in the heart of a peaceful, friendly, historic city, we have created a modern, inspiring office environment that encourages collaboration, where friendly, direct relationships between colleagues and high-quality professional work are equally important. Using modern, innovative technologies, we work on products that truly contribute to making our world safer at one of the world's leading cybersecurity companies.
We support professional development through training, mentoring, and real opportunities for advancement. The Veszprém office offers the perfect balance of calm and professionalism – a modern environment, friendly people, and a strong team spirit.
If you want to work in a place where your knowledge is valued and you are treated as a person, then OPSWAT Veszprém is the place for you.

At OPSWAT, we believe that great talent is always worth getting to know, even when there are no current vacancies. Our Evergreen Senior C# Backend Engineer position offers continuously open opportunities for enthusiastic and motivated professionals who may join us in the future. It is not tied to a specific vacancy, but it enables us to get to know you and stay in touch, so that when a new opportunity arises, you could be among the first people we reach out to.

If you’re interested in working as a Senior C# Backend Engineer at OPSWAT, please apply, and we will get in touch!

You Will Have the Opportunity to

• Improve further one of our fastest-growing solution, the Secure Managed File Transfer by implementing new business requirements

• Participate in the design and architecture of emerging products, ensuring a future-proof and scalable backend system

• Design, implement, and maintain automation workflows to streamline deployment and operational efficiency

• Create and solidify CI/CD pipelines and engineering workflows to enable fast and reliable software delivery

• Define static and dynamic code analysis requirements to maintain high-quality and secure codebases

What Are We Looking For

• Minimum 4 years C# programming experience

• Experience with programming languages such us C++; Node.js is an advantage

• 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

• Familiarity with Git and branching models is an advantage

• Demonstrated ability to use AI tools (e.g., ChatGPT, Copilot, Notion AI, Midjourney) to improve efficiency, creativity, or problem-solving

Why You'll Love Working Here

• Stable, growing international company background with an exceptional customer group

• Opportunity to improve your professional skills

• The newest technology environment

• Language course and opportunity for active recreation – kettlebell, football and office massage

• Attractive working environment – nice office full of accessories (fruits every day, coffee, breakfast, tea etc.)

• Regular team events and Happy Hour activities

OPSWAT is an equal opportunity employer. We celebrate diversity and are committed to providing an environment where equal employment opportunities are extended to all employees and applicants, free of discrimination and harassment of any type. All employment decisions are based on individual qualifications, job requirements, and business needs without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other category protected by federal, state, or local laws.

Recruiting Agencies: we do not accept unsolicited resumes from third party agencies for any of our open positions. To submit resumes for our jobs, there must be a recruiting contract approved by our legal team and endorsed by both parties. We are currently not accepting additional 3rd party agencies at this time.