At myPOS, we’re all about helping businesses grow and get paid. We make payments simple, smart, and accessible for everyone, but we’re more than just payment solutions—myPOS is a partner in growth. From free multicurrency accounts to powerful e-commerce tools, we’re here to support business owners of all sizes and everyone out there who dreams of starting their own business.

As we are expanding our team, we’re looking for Senior Software Engineer C#/.NET to help us make a real difference in the Fintech industry. Ready to join us and shape the future of payments? Let’s make it happen!

About the role:

As a Senior Software Engineer C#/.NET, you will be responsible for developing and maintaining high quality applications, services and APIs. Your expertise will drive the optimization of performance, scalability, and security of applications.

What you’ll do:

• Design and implement complex software solutions, including database models and scripts
• Develop and maintain robust APIs to support business functionality
• Actively contribute throughout all phases of the product lifecycle, from planning to deployment
• Conduct testing, debugging, and ongoing maintenance of software applications
• Collaborate with the release manager to build and package software versions and releases
• Provide third-level support for incident management, working closely with production teams to resolve issues
• Review and optimize code, ensuring adherence to best practices and coding standards
• Foster a collaborative team environment by supporting and mentoring fellow team members.

This role is perfect for you if you have: 

• At least 4+ years of experience with C# and the .Net Framework/ .Net Core
• Strong SQL proficiency. Good understanding of relational database design
• In-depth knowledge of Entity Framework
• Knowledge in Multi-threading concepts
• Strong background with REST API
• Experience with various design patterns based on application requirements.

Nice to have:

• Familiarity with TCP/Socket communication
• Experience with MSSQL, PostgreSQL, MongoDB
• Experience using message broker(s)
• Understanding of Symmetrical/Asymmetrical Cryptography concepts
• Experience with MVC, React
• Experience working with cloud platforms
• C++ experience (strong advantage).

Why you should join myPOS:

• Vibrant international team operating in hi-tech environment
• Annual salary reviews, promotions and performance bonuses
• myPOS Academy for upskilling and training
• Refer-a-friend bonus as we know that working with friends is fun
• Annual individual training and development budget
• Teambuilding, social activities and networks on multi-national level.

What we offer:

• Excellent compensation package
• 25 days annual paid leave (+1 day per year up to 30)
• Full “Luxury” package health insurance including dental care and optical glasses
• Meal vouchers of 200 BGN per month
• Onsite fitness, bowling, and relax areas (Varna) or free of charge Multisport card (Sofia)
• Free coffee, snacks and drinks at the office.

Who we are:

Since 2014 we’ve been all about making payments easier and more accessible for businesses of all shapes and sizes. Whether you’re at the counter, selling online, or on the move, we’ve got businesses covered with smart, accessible and affordable solutions that keep things easy.

Our mission? It’s simple. Help businesses get paid by taking advantage of modern tech and innovative ideas, so payment challenges are a thing of the past.

Pro tip:

Take it easy about meeting every requirement—this job description is just that, a job description! Even if you don’t tick every box, want you to apply anyway! This is your chance to grow, learn, and build your career with us. We value potential over perfection, and we are all about mutual growth!

Apply by filling in the form below and send your CV in English!

myPOS is committed to providing equal employment opportunities. All qualified candidates will be considered for employment without discrimination based on age, ancestry, colour, marital status, national origin, physical or mental disability, medical condition, veteran status, race, religion, sex, sexual orientation, gender identity or expression, or any other characteristic protected by applicable laws, regulations, and ordinances.

Your application will be confidentially reviewed in line with the General Data Protection Regulation (GDPR). Personal information will be used solely for the job application and will be stored for a period needed by the application process. Only short-listed candidates will be contacted. Good luck!