Backend Developer

, the 1st Tech Bank in Europe for Businesses, revolutionises omnichannel payments acceptance, offers card issuing, loans and deposit accounts. is the first to pioneer and holds the top position in the Tap on Any Device technology, enabling payments acceptance on any device or even without a device.

Today is leading the transition to All-in-One business solutions, powered by its full suite of financial services. To that end, reflecting its holistic approach to business needs, has built a dynamic ecosystem featuring over 450 tech partner-innovators in the software and hardware space. Connecting directly to all local payment schemes, alternative payment methods and payment systems across the continent, further strengthens 's value proposition.

envisions to provide businesses a value-driven platform to accelerate the adoption of the latest technology.

The Role
At Viva, we are currently looking for a
Backend Developer
to join our team. The Backend Development team's mission is to ensure '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. In line with our innovation strategy, we are leveraging AI-driven solutions to optimize system performance, automate processes, and enhance decision-making capabilities.

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, while integrating AI capabilities to drive innovation in backend architecture.

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.
• Integrate AI-driven solutions into backend systems to optimize performance, automate tasks, and enhance user experience through intelligent data processing and predictive models.
• Collaborate with cross-functional teams to design and implement AI-powered features, ensuring seamless integration with backend architecture and improving system scalability and efficiency
• 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.

At , we believe in amplifying human potential through AI. When you join us, you're stepping into a future-forward environment where technology empowers every role, driving smarter, more efficient.
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;
• Experience with AI technologies or machine learning algorithms to build and deploy intelligent features within backend systems;
• Proficiency in integrating AI tools into backend frameworks and databases, with knowledge of AI-driven performance optimization, real-time data processing, and predictive analytics;
• 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;

Career development and regular feedback to develop your skills;

Employee Wellness Program like Daily group sessions led by professional coaches.