Technical Account Manager

Calling all innovators – find your future at Fiserv.

We’re Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants, and consumers to one another millions of times a day – quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we’re involved. If you want to make an impact on a global scale, come make a difference at Fiserv.

Job Title

Technical Account ManagerAbout your role:

Fiserv is a global leader in payments and financial technology, moving money and information in a way that moves the world. The Technical Account Manager serves as the primary technical point of contact for clients integrating with our payment gateway API, blending deep technical expertise with consultative problem-solving. This high-impact role is suited for seasoned experts or high-potential Computer Science graduates eager to translate complex business requirements into technical solutions within a fast-evolving fintech landscape.

What you’ll do:

• Client-Facing Technical Support: Act as the primary technical liaison for clients integrating with our payment gateway API and provide consultative guidance from initial design to production deployment.
• Strategic Implementation: Interpret client business requirements and translate them into practical implementation strategies.
• API Integration & Troubleshooting: Support clients across multiple programming languages and frameworks, offering hands-on troubleshooting for authentication, transaction flows, and webhook delivery.
• Root Cause Analysis: Review client API payloads, logs, and code samples to identify issues and provide actionable solutions.
• Technical Expertise & Learning: Maintain deep knowledge of our API specifications, SDKs, and authentication models, adapting quickly to new feature launches.
• Product Partnership: Partner with product and engineering teams to relay client feedback, identify usability gaps, and drive platform improvements.
• Cross-Functional Collaboration: Support Client Implementations, Solution Engineers, and Product teams while creating integration guides and troubleshooting playbooks.
• Engagement: Participate in client calls, technical workshops, and integration reviews.
• Responsibilities listed are not intended to be all-inclusive and may be modified as necessary.

Experience you’ll need to have:

• Professional Background: 10+ years of experience in technical integration, solutions engineering, or API-focused support; or a Bachelor’s degree in Computer Science or a related technical field with a strong grasp of software fundamentals.
• API & Data Standards: Strong understanding of REST APIs, JSON, webhooks, and authentication models (OAuth, API keys, HMAC).
• Programming Competency: Proficiency in at least one modern language (e.g., Java, Python, JavaScript, C#, PHP, Ruby) with the ability to read and interpret code across multiple languages.
• Systems Diagnosis: Experience troubleshooting integrations involving HTTP requests, API responses, network issues, and application logs.
• Communication Skills: Excellent ability to simplify complex concepts for both technical and non-technical audiences.
• Adaptability: Ability to thrive in a fast-paced environment and support emerging features with minimal guidance.

Experience that would be great to have:

• Fintech Expertise: Direct experience with global payments, e-commerce, and Card Present (CP) integrations is highly preferred..
• Security Knowledge: Familiarity with encryption standards, including TLS, PGP, and tokenization.
• Enterprise Navigation: Experience managing integrations for enterprise-scale clients with complex organizational hierarchies.
• Data & Cloud: Working knowledge of SQL/NoSQL databases, SFTP protocols, and modern cloud infrastructure.
• Soft Skills: Strong analy