Senior Software Engineer .NET / Software Architect

Permanent employee, Full-time · Bratislava - Tomášikova 64 Nové Mesto, 831 04, Slovakia, Zilina - Veľká Okružná 26, 010 01
3,200 € per month
Description
Would you like to leave your mark in the booming cloud-native & fin-tech industry? Would you like to show your ideas and bring them to life? 
 
Ohpen is seeking a Senior .NET Developer who goes beyond writing code and takes ownership of system architecture, technical direction, and long-term design decisions. 

This role is ideal for someone who enjoys shaping complex systems, mentoring engineers, and working closely with product and business stakeholders to build scalable, maintainable solutions. 

Briefing
As a senior engineer, you will play a key role in defining technical specifications, setting engineering standards, and delivering robust, testable, and well-documented solutions. 
 
You will be expected to contribute your expertise, challenge assumptions, and mentor others, while continuing to deepen your own technical and domain knowledge.

About You
  • 5+ years of professional experience with .NET / C# in production environments
  • Strong understanding of software architecture principles (e.g., SOLID, DDD, Clean Architecture, microservices vs. monoliths)
  • Hands-on experience with: 
    • ASP.NET / ASP.NET Core
    • RESTful/SOAPAPIs and integration patterns
    • Integration with 3rd party system
    • SQL and/or NoSQL databases
    • Even driven architecture
  • Experience making independent architectural decisions and defending them with clear technical reasoning
  • Strong communication skills and the ability to explain complex technical concepts to both technical and non-technical audiences
Why us?
We’re building a real-time, cloud-native core banking platform for two major markets. No legacy systems. Just real customers, real code, and real impact. You’ll work in small, strong teams of engineers who care about their craft. 

You will be working on a product, which is part of a whole suite of products offered to our customers. Our team develops and maintains 15 year old product built on .Net, PostgresSQL, Docker and deployed on AWS cloud.
About us
Join our mission 
 
Ohpen has been active for over 15 years now, redefining banking. We are the first company to bring a bank fully to the cloud, changing the financial world forever and breaking our chains of legacy. Our company is all about talented people having the space to build next-generation Fin-Tech. Why? Because we believe Fin-Tech enables accessibility, empowerment and independence for all. 
 
Are you ready to join our mission?


We are an equal opportunity employer and value diversity at our company. All qualified applicants will receive consideration for employment.

You haven’t updated your CV in a while? Not a problem – you can also apply with your LinkedIn profile or send a message to the Recruiter.
 
Everyone gets a response, latest within a week, but likely sooner. 
 
We can’t wait to hear from you!
We are looking forward to hearing from you!
Thank you for your interest in joining Ohpen. Please fill out the following short form. Should you have difficulties with the upload of your data, please send an email to hr@ohpen.com
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