Senior Backend Engineer | .NET

At NordStellar, we help companies know what hackers know—before they strike.

Join the team turning threat intel into action. From dark web monitoring to attack surface management, we’re building tools that security teams rely on to stay ahead of threats.

Your impact? Helping businesses spot vulnerabilities and prevent cyberattacks—keeping teams and customers safe.

NordStellar is the newest addition to our suite of cutting-edge cybersecurity solutions. This innovative threat exposure management platform is designed to outsmart cyber threats, safeguard data, and prevent fraud. NordStellar gives companies the tools to stay ahead of hackers and beat them at their own game. Join us to build technology that lets businesses know what hackers know.

NordStellar is the newest addition to our suite of cutting-edge cybersecurity solutions. This innovative threat exposure management platform is designed to outsmart cyber threats, safeguard data, and prevent fraud. NordStellar gives companies the tools to stay ahead of hackers and beat them at their own game. Join us to build technology that lets businesses know what hackers know.

Main Responsibilities:
• Develop Backend solutions using the latest .NET technologies;
• Apply the latest development practices and software design patterns;
• Develop software with scalability, robustness, and performance in mind;
• Facilitate technical discussions and workshops;
• Contribute to technical tasks, feedback forms, and technical interviews;
• Contribute to technical decisions and architecture solutions.

Core Requirements:
• Experience with .NET Core and containerized applications;
• Familiarity with observability technologies such as ELK stack, Grafana, Prometheus, or similar;
• Understanding of clean code, SOLID principles, and RESTful API design;
• Experience with SQL/NoSQL databases;
• Experience with message brokers (i.e. RabbitMQ, NATS);
• Work knowledge and experience with distributed software using cloud service providers (AWS, Azure, Google Cloud, etc.);
• Ability to make a technical decision and take responsibility;
• Ability to work both in a team and individually;
• Well-founded experience in working with agile development methodologies and a genuinely agile mindset.

Tools You Will Use:
• .NET 9;
• PostgreSQL;
• Entity Framework Core;
• GraphQL;
• AWS;
• Kubernetes;
• NATS;
• Gitlab.

Bonus Points For:
• Experience with Golang.

Salary Range:
• Gross Salary 3200-7000 EUR/Month.

What We Offer

Innovate with industry leaders
Work alongside global experts to build world-leading cybersecurity tools, impacting millions of users around the world.

Learn & grow
Boost your skills via our extensive training programs (online and offline) & other resources. Benefit from mentorship and career-switch opportunities to grow within the company.

Work in a next-gen Cyber City office
Thrive in our bustling office, featuring ergonomic workspaces, modern meeting rooms, engaging events, and specialty coffee to fuel your day.

Hybrid work
Enjoy the flexibility with 3 office days and working from home for the remaining 2.

Work from anywhere
Recharge with a change of scenery – choose work from any location when you feel a need to power your creativity and drive.

Physical well-being
Boost your health with free-of-charge 24/7 gym access, onsite and online workouts, and consultations led by in-house Physical Well-Being experts.

Mental & emotional health
Nurture your mind with free psychologist consultations, dedicated mental health events, and premium access to top-rated wellness apps like Calm, Headspace, and Mindletic.

Premium healthcare
Receive private health insurance giving you peace of mind for your health needs.

Extra days off
Enjoy additional vacation days off as you grow with us. Plus, get extra days for sick leave, special occasions, or parenting needs.

Joyful moments – special treats
Celebrate life’s big moments with special gifts from us on your birthday, anniversary, and other major events, such as weddings or the arrival of a new family member.

Company events & team-building
Experience iconic Nord Security celebrations, team-buildings, and knowledge-sharing events, nurturing bonds that fuel our success.

Workation
Embark on a legendary company getaway abroad, filled with exciting activities, live concerts, engaging workshops, and epic time together.

Kindly refer to our Privacy Notice for Recruitment Candidates for comprehensive information regarding our data handling procedures throughout recruitment processes: https://bit.ly/40GWyjL

We expect all candidates to provide accurate and complete information during the recruitment process. While limited use of AI tools to refine application materials is acceptable, candidates remain fully responsible for ensuring that their submissions reflect their own qualifications, skills, and experience. Any failure to do so may negatively affect participation in the recruitment process. If broader AI assistance is allowed for a particular role or stage, we’ll let you know in advance.

By submitting your application, you acknowledge that it may be processed using automated tools for evaluation purposes. As part of our recruitment process, we may use an AI-based application review tool to help assess applications based on skills and experience relevant to the role. This technology is used to support - not replace - human decision-making, and every application is ultimately reviewed by a recruiter.
If you would like more information about how AI is used in this process or wish to exercise your rights under applicable data privacy laws, please contact us at [email protected]. Should you prefer to opt out of the automated evaluation, please submit your application directly to [email protected].