Technical Advisor

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 Advisor

About 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 Advisor 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 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.

How you’ll work:

• This role is on-site Monday through Friday. Fiserv considers in-person collaboration to be an essential part of this role as in-person office experiences help you with your overall onboarding experience and leads to stronger productivity.
• This role requires use of a computer and audio equipment.

Travel:

• Approximately 10% travel off-site or to other office locations is expected (Domestic and International).

Sponsorship:

• You must currently possess valid and unrestricted U.S. work authorization to be considered for this role. Individuals with temporary visas including, but not limited to, F-1 (OPT, CPT, STEM), H-1B, H-2, or TN, or any candidate requiring sponsorship, now or in the future, will not be considered for this role.

Benefits at Fiserv:

• Fuel Your Life program to support your physical, financial, social, and emotional well-being
• Paid holidays and generous time away policies
• No-cost mental health support through Employee Assistance Programs
• Living Proof program to recognize your peers’ extra effort with points redeemable for rewards
• Eight Employee Resource Groups to foster a collaborative culture and expand your network
• ·Unparalleled professional growth with training, development, and internal mobility opportunities
• Medical, dental, vision, life, and disability insurance options available from day one
• Retirement planning and discounted shares with the Employee Stock Purchase Plan
• Tuition assistance and reimbursement program
• Paid parental, caregiver, and military leave

This role is not eligible to be performed in Colorado, California, District of Columbia, Hawaii, Illinois, Maryland, Minnesota, New Jersey, New York, Nevada, Rhode Island or Washington.

It is unlawful to discriminate against a prospective employee due to the individual's status as a veteran.

Please note that salary ranges provided for this role on external job boards are salary estimates made by outside parties and may not be accurate.

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 Equal Opportunity:

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. 

If you have a disability and require a reasonable accommodation in completing a job application or otherwise participating in the overall hiring process, please contact View email address on us.fitly.work . Please note our AskHR representatives do not have visibility to your application status. Current associates who require a workplace accommodation should refer to Fiserv’s Disability Accommodation Policy for additional information.

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.