Technical Account Manager

Technical Account Manager

Viva.com · Athens, Greece · Full-time · Posted 2026-10-13

Workplace: on_site

Department: Technical Account Management

Description

Viva.com is the first Tech Bank in Europe for businesses, serving 31 countries through its pan-European critical infrastructure for payments & banking services.

Viva.com’s offering spans omnichannel payment acceptance, deposit accounts, card issuing, and a broad suite of financing solutions, providing businesses of all sizes and sectors with the tools they need to operate efficiently, both domestically and internationally, through a single integrated platform.

Viva.com pioneered and leads in Tap on Any Device technology, enabling acceptance on any Android device or iPhone, while connecting directly to all major international and domestic card schemes, local payment systems, and alternative payment methods across Europe.

The Role

As a Technical Account Manager, you will be the vital technical and business interface between our company and Independent Software Vendor (ISV) partners and key merchants across Europe. You’ll play a central role in ensuring smooth onboarding, seamless API integrations, and continuous compliance with evolving fiscal regulations while working closely with internal teams, including Engineering and Product.

This role blends technical consulting, fiscal obligations understanding, and developer enablement and it’s critical to our mission to scale secure and compliant commerce across the continent.

Key Responsibilities

• Act as the primary technical liaison between ISV partners and Viva.com, supporting them throughout the fiscalisation API integration process across multiple countries;
• Understand and map technical requirements to regional fiscalisation regulations, ensuring successful and compliant implementations by our ISV partners;
• Troubleshoot and resolve complex API integration issues, including schema validation errors, authentication problems, and transaction failures, in collaboration with engineering teams;
• Guide ISVs and internal teams on how to maximize the use of the fiscalisation API, including edge cases and regulatory nuances;
• Test functionality and ensure compliance of ISV implementations; identify and report bugs for resolution in coordination with engineers;
• Support onboarding processes for new ISVs and system integrators, ensuring smooth end-to-end technical setup (POS, ERP, middleware systems);
• Build and maintain strong relationships with key technical and business stakeholders across ISV partners and key merchants, acting as a trusted advisor throughout the partnership lifecycle;
• Lead regular stakeholder meetings and reviews, aligning technical initiatives, priorities, timelines and business objectives between ISV partners/key merchants and Viva.com;
• Own and proactively manage partner and key merchant escalations, balancing technical requirements, business priorities and stakeholder expectations;
• Identify opportunities to strengthen partner adoption, engagement and long-term success, providing strategic guidance on best practices and product capabilities;
• Deliver technical training and documentation for internal stakeholders, including webinars, guides, and tutorials;
• Maintain and update developer-facing content, including the Developer Portal, user manuals, and API reference materials;
• Monitor ISV and key merchant satisfaction and proactively manage escalations, ensuring issues are resolved promptly and expectations are met;
• Collaborate with Product and Strategic Partners Presales and Success Managers to define requirements for new features, improvements, and AI agent training content.

At Viva.com, 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

• Bachelor's degree in Computer Science, Engineering, Information Systems, or equivalent practical experience;
• More than 5 years of experience in API integration, fiscalisation, ISV support or ERP/POS configuration;
• Strong technical skills in REST APIs, data formats (JSON/XML) and integration workflows;
• Familiarity with development tools: Postman, JIRA, Confluence, Git;
• Hands-on experience with regulatory or tax compliance systems in at least one European country is a strong plus but not essential;
• Strong communication and stakeholder management skills, fluent in English (written and spoken);
• Proactive and detail-oriented, with a strong interest in AI and automation;
• Self-organized and adaptable, thriving in dynamic, innovation-driven tech environments across Europe.

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.

Apply

Apply at Viva.com

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