Backend Application Architect

Calling all innovators - find your future at Fiserv.

Were 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 were involved. If you want to make an impact on a global scale come make a difference at Fiserv.

Job Title

About your role:

Fiserv is a global leader in financial technology empowering millions of businesses worldwide through Clovers smart point-of-sale (POS) and digital omni-commerce platform. As a Backend Application Architect you will serve as a technical leader driving the architectural vision strategy and evolution of our core enterprise backend this role you will architect resilient high-volume transactional platforms and partner across product and engineering leadership to execute our strategic roadmapaccelerating international expansions across APAC Japan and the EU eliminating backend dependencies to maximize feature velocity and pioneering AI-driven agentic commerce integrations.

What youll do:

• Drive the strategic architectural vision technical roadmaps and modernization of high-throughput low-latency microservices and event-driven backend platforms.
• Design and govern scalable API ecosystems data models caching strategies and storage solutions across relational and NoSQL engines to eliminate backend dependencies and maximize engineering velocity.
• Architect resilient backend services that support international expansion initiatives (APAC Japan EU) and enable cutting-edge AI-driven agentic commerce workflows.
• Establish non-functional requirements (NFRs) and architectural standards for performance security fault tolerance zero-downtime deployments and platform observability.
• Lead cross-team design reviews evaluate emerging technologies and de-risk high-stakes initiatives in partnership with Product Business and Executive leadership.
• Mentor and elevate Tech Leads and Senior Engineers across multiple scrum teams to foster a culture of technical excellence and engineering rigor.
• Responsibilities listed are not intended to be all-inclusive and may be modified as necessary.

Experience youll need to have:

• Bachelors or Masters degree in Computer Science Software Engineering or a related technical field.
• 12 years of hands-on professional software engineering experience designing building and operating enterprise backend systems in Java environments.
• Deep mastery of the JVM ecosystem Spring Boot microservices architecture patterns (CQRS Saga Circuit Breaker) and distributed messaging systems (Kafka Google Pub/Sub RabbitMQ).
• Advanced proficiency in data architecture schema design and transaction management across both SQL (MySQL PostgreSQL) and NoSQL (Cassandra MongoDB Redis) databases.
• Practical expertise with cloud-native platforms (GCP AWS or Azure) containerization (Docker Kubernetes) and automated CI/CD deployment models.
• Proven track record in RESTful API design OpenAPI/Swagger specifications API security standards (OAuth2 JWT mTLS) and JVM performance/concurrency tuning under heavy transaction loads.

Experience that would be great to have:

• Prior experience architecting high-concurrency payment gateways POS ecosystems merchant services digital storefronts or global checkout pipelines.

• Familiarity with polyglot environments and secondary languages (Python Go ) for tooling automation or rapid prototyping.
• Hands-on experience with event-sourcing engines serverless compute (Google Cloud Functions AWS Lambda/Kinesis) or reactive frameworks (Spring WebFlux RxJava).
• Strong understanding of PCI-DSS compliance data encryption standards and enterprise vulnerability management.
• Experience designing backend architectures that integrate Generative AI models LLMs or agentic commerce AI workflows via REST APIs and event-driven messaging.

How youll 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.

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

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Salary Range

These pay ranges apply to employees in Sunnyvale California. Pay ranges for employees in other states may differ.

It is unlawful to discriminate against a prospective employee due to the individuals status as a veteran.

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. Please note our AskHR representatives do not have visibility to your application status. Current associates who require a workplace accommodation should refer to Fiservs Disability Accommodation Policy for additional information.

Note to agencies:

Fiserv does not accept resume submissions from agencies outside of existing do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions.

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