Original listing text, shown exactly as published by the company.
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 analytical and critical-thinking abilities with a consultative, client-success mindset.
Travel
- Approximately 10% travel off-site or to other office locations is expected (Domestic and International).
Thank you for considering employment with Fiserv. Please
- Apply using your legal name
- Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable).
Our commitment to Diversity and Inclusion
Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law.
Note to agencies
Fiserv does not accept resume submissions from agencies outside of existing agreements. Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions.
Warning about fake job posts
Please be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information. Any communications from a Fiserv representative will come from a legitimate Fiserv email address.
