Viva Wallet is hiring a

Backend Developer (Hybrid or Onsite)

Marousi, Greece

About us

Viva.com is Europe’s first acquirer powering merchant payments acceptance across 24 countries and 1.165+ devices. With an ECB approved banking license and presence in 24 European markets, Viva.com’s Tap on Any Device technology for in-store payments, Smart Checkout payment gateway for online payments, and marketplace payment solution, help European businesses of any size to accept and manage payments how they want. All of Viva.com’s technology is built in-house over MS Azure, and is fully scalable, supporting any payment checkout journey.

Viva.com provides a seamless, conversion-boosting omnichannel payments platform, featuring acceptance of 40+ payment methods across 17 languages and 9 currencies. Viva.com’s ever-expanding financial services' suite includes value added features such as Real-Time Settlement; Offline Payments minimising chances of losing a sale; a Viva.com business debit card to manage corporate expenses, while reducing acceptance fees to as low as 0%; and Merchant Advance. 

The Role

In Viva, we are currently looking for a Backend Developer. 

The Backend Development team’s mission is to ensure Viva.com’s backend systems are robust, secure, and scalable. We focus on introducing new features and optimizing the codebase by integrating new tools, libraries, and architecture improvements that boost system performance, reduce technical debt, and enhance developer productivity—all while driving competitive advantages for our platform. As a Backend Developer, you’ll dive deep into complex projects, writing efficient, maintainable code, and solving challenging problems. You’ll be expected to work autonomously and in a team, contribute to and review pull requests, provide technical guidance to other developers, and actively participate in code refactoring efforts. Collaboration is key, so you’ll work closely with architects to shape system designs, product managers to align on business goals, and engineering leads to ensure delivery quality across the Technology Group. 

 

Responsibilities: 
 

  • Design, build, test, and maintain efficient, reusable, and reliable code. 
  • Collaborate with cross-functional teams, including architects, product managers, and other developers, to deliver robust and efficient solutions. 
  • Optimize and refactor code, ensuring the backend systems are secure, maintainable, and aligned with best practices. 
  • Research innovative technologies to find new and efficient ways to solve day-to-day challenges. 
  • Troubleshoot and resolve complex issues, ensuring high availability, performance, and security across all backend services. 
  • Contribute to system architecture discussions, driving improvements in system design, scalability, and performance. 
  • Contribute in the implementation and maintenance of CI/CD pipelines to streamline deployments and ensure smooth integration of new features. 

Tech stack 

Our backend tech stack is based on .NET, leveraging the latest versions of .NET Core for building high-performance, scalable APIs and services. 

Requirements

  • Over 2 years of proven experience as a Backend Developer with a strong focus on .NET;
  • Understanding of microservices architecture, RESTful API design, and distributed systems;
  • Experience with database technologies, particularly SQL Server, including writing complex queries and performance optimization;
  • Familiarity with cloud platforms, preferably Azure, and containerization tools like Docker and Kubernetes;  
  • Familiarity with implementing CI/CD pipelines, ideally using Azure DevOps or similar tools;
  • Strong problem-solving skills with the ability to debug, optimize, and troubleshoot complex backend systems;
  • Experience with code versioning tools, such as Git, and familiarity with branching strategies;
  • Good understanding of security best practices in backend development, including data protection, encryption, and authentication mechanisms;
  • Excellent communication skills, with the ability to work collaboratively in cross-functional teams and mentor junior developers;
  • Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent practical experience) preferred but not required. 

Benefits

💸 Competitive compensation package;

🎫Annual bonus based on your performance and targets’ achievement;

🏥Private health insurance for you and your family;

💻Top of the Line tools and equipment;

🏃🏽‍♂️Employee Wellness Program like Daily group sessions led by professional coaches;  

📚Career development and regular feedback to develop your skills.

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