Ciklum is looking for a Senior .NET Developer to join our team full-time.

We are a leading global product engineering and digital services company that unites 4000+ seasoned professionals globally on various projects in healthcare, fintech, travel, sportswear, entertainment, and security. Ciklum delivers high-impact technology solutions to Fortune 500 and fast-growing organisations worldwide.

About the role:

As a Senior .NET Developer, become a part of a cross-functional development team working for our client who builds secure and scalable Payment Services. Their product portfolio includes Card Issuance, Card Acquiring, Fraud Detection & Protection and virtual Point-of-Sale systems. Dedicated to facilitate payment processing via introducing innovation and providing smooth & incessant services.



  • Build next-generation payment system products
  • Take full ownership of implementing back-end architectures from idea to production
  • Build maintainable, testable and modern back-end applications
  • Maintain and improve existing back-end applications
  • Work with agile methodologies


We know that sometimes, you can’t tick every box. We would still love to hear from you if you think you’re a good fit!

  • 5+ years of experience in software development
  • Knowledge of PCI Software Security Framework (SSF) and/or PCI Data Security Standards (DSS)
  • Knowledge of best practices and patterns during application design and implementation
  • Hands-on experience in developing Payment Applications/Services in a PCI regulated environment
  • Hands-on experience with a monolith, microservice, and serverless architectural styles
  • In-depth proficiency level of C# and .Net technologies, experience with .Net Core, RESTful APIs, Knowledge on Entity Framework, NHibernate, Linq, WCF, MVC, Web Services
  • Experience with HTML, CSS, JavaScript, jQuery AJAX
  • Knowledge on relational databases and SQL
  • Previous participation in constant quality improvement on the project: conducting code reviews, setting up quality metrics, and their monitoring
  • Experience in payment systems – previous experience in the Card Payment Sector domain. Authorization, Clearing & Settlement, Acquiring and/or Issuing experience
  • Fluent written and spoken English

What's in it for you

  • Care: your mental and physical health is our priority. We ensure comprehensive company-paid medical insurance and Mental Health programs.
  • Tailored education path: boost your skills and knowledge with our regular internal events (meetups, conferences, workshops), Udemy licence, language courses and company-paid certifications.
  • Growth environment: share your experience and level up your expertise with a community of skilled professionals, locally and globally.
  • Flexibility: own your schedule – you are the one to decide when to start your working day. Just don’t miss your regular team stand-up.
  • Opportunities: we value our specialists and always find the best options for them. Our Internal Mobility Program helps change a project if needed to help you grow, excel professionally and fulfil your potential.
  • Global impact: work on large-scale projects that redefine industries with international and fast-growing clients.
  • Welcoming environment: feel empowered with a friendly team, open-door policy, informal atmosphere within the company and regular team-building events.

Be bold, not bored! 

Interested already? We would love to get to know you! Submit your application. We can’t wait to see you at Ciklum.