Software Engineer | Senior | .NET at Nord Security

Warsaw, Masovian Voivodeship, Poland

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PLN 242,400 – PLN 400,800Compensation

Senior (5 to 8 years)Experience Level

Full TimeJob Type

UnknownVisa

Cybersecurity, Software DevelopmentIndustries

Requirements

5+ years of experience in software development as .NET (C#) developer
Solid understanding of WPF and creating Windows desktop applications
Ability to work with Windows native APIs, with focus on performance, memory management, and stability
Good understanding of event streams, working with real-time data, and using reactive extensions to process it
Solid foundation in OOP and design patterns — designing architecture that is clean, scalable, and maintainable
Experience with unit testing, dependency injection, and robust CI/CD practices
Strong problem-solving skills - able to quickly understand complex codebases, work with native APIs, and deliver solutions

Responsibilities

Develop and maintain our flagship Windows desktop application that works with Windows File System
Work across the full application stack, delivering best-in-class performance, security, and user experience
Collaborate closely with developers, designers, QA engineers, and a Product Owner in a highly skilled and supportive team
Use Microsoft technologies and tools to extend, optimize, and improve application functionality
Actively participate in planning, design discussions, code reviews, and problem-solving sessions
Explore and integrate technologies beyond .NET when needed to deliver the best solutions

Skills

Key technologies and capabilities for this role

.NETC#WPFWindows APIOOPDesign PatternsUnit TestingDependency InjectionCI/CDReactive Extensions

Questions & Answers

Common questions about this position

What is the salary range for this Senior .NET Software Engineer position?

The gross salary range is 20200 - 33400 PLN per month.

Is this role remote or hybrid, and what is the office policy?

The position offers hybrid work with 3 office days and 2 days working from home, plus the option to work from anywhere when needed.

What are the key skills required for this Senior .NET Software Engineer role?

Candidates need 5+ years of .NET (C#) development experience, solid understanding of WPF for Windows desktop apps, ability to work with Windows native APIs focusing on performance and memory management, good knowledge of event streams and reactive extensions, plus strong OOP, design patterns, unit testing, and CI/CD practices.

What is the team structure and work environment like at NordLocker?

You'll collaborate closely with developers, designers, QA engineers, and a Product Owner in a highly skilled and supportive team, participating in planning, design discussions, code reviews, and problem-solving sessions.

What benefits are offered for this position?

Benefits include extensive training programs, mentorship, hybrid work flexibility, Multisport card for sports facilities, free psychologist consultations, premium access to wellness apps, private health insurance, and special gifts for birthdays.

Nord Security

Cybersecurity services for individuals and businesses

About Nord Security

Nord Security provides a variety of cybersecurity products aimed at protecting both individuals and businesses from online threats. Their main offerings include NordVPN, which is a virtual private network that ensures secure internet access through advanced encryption and threat protection, making it popular among millions of users. For businesses, NordLayer offers a tailored cybersecurity solution that allows secure access to the internet and company resources while helping organizations comply with various regulations. Additionally, NordLocker is an encrypted cloud storage service that enables users to securely sync, back up, and share files, utilizing strong cryptography for data protection. Unlike many competitors, Nord Security combines multiple cybersecurity services into a single subscription model, making it easier for users to manage their online safety and data privacy.

Vilnius, LithuaniaHeadquarters

2012Year Founded

$194.5MTotal Funding

GROWTH_EQUITY_VCCompany Stage

CybersecurityIndustries

1,001-5,000Employees

Benefits

Health Insurance

Mental Health Support

Professional Development Budget

Flexible Work Hours

Additional Paid Leave

Risks

Emerging VPN providers offering lower prices could erode Nord Security's market share.

Rapid evolution of cyber threats may strain Nord Security's resources.

Expansion into eSIM technology could face regulatory challenges in different countries.

Differentiation

Nord Security offers a comprehensive cybersecurity package with advanced threat protection.

NordLayer provides businesses with secure internet access and compliance support.

NordLocker uses state-of-the-art cryptography for secure cloud storage.

Upsides

Nord Security's partnership with Bango enhances distribution through telecom channels.

The global VPN market is expected to grow significantly, benefiting NordVPN.

Demand for secure remote work solutions boosts Nord Security's business products.

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