Sr. Full Stack Engineer

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

In this role you will be an experienced engineer helping to improve and expand our platform and product. You will accomplish this by maintaining and adding new features investigating/resolving bugs creating helpful documentation and re-architecting our system to achieve better scalability and availability.

As part of the Growth and Merchant Self-Service team you will be responsible for building applications that define the user experience on the Clover Dashboard. Partnering with Infrastructure Product and Design teams you will be pragmatic in balancing priorities and enjoy working in an iterative model where specifications are constantly evolving. You will own your services from development through deployment mentor junior talent and help drive the technical roadmap for products that support over 700k merchants worldwide.

• Architect develop and maintain responsive web applications using React TypeScript and modern CSS/HTML.
• Design build and maintain containerized microservices and high-throughput REST APIs using Java and Spring Boot.
• Design asynchronous workflows and distributed messaging pipelines using pub/sub messaging systems (Google pub/sub Kafka etc.) to handle real-time data synchronization merchant event delivery and decoupled background processing.
• Evaluate and recommend modern frameworks technologies and tools and execute processes.
• Identify technical requirements in product meetings and assist the business team with realistic project planning and feature development; translate product requirements into functional maintainable extensible software that is in-line with company objectives
• Take end-to-end ownership of services through testing CI/CD deployment production monitoring distributed tracing and regular on-call rotation.
• Partner with Infrastructure teams to design relational schemas (MySQL) optimize data pipelines and re-architect existing systems for high availability fault tolerance and low latency.
• Collaborate with cross-functional distributed agile teams with the flexibility to work across time zones.
• Conduct code and architecture reviews champion distributed system best practices and mentor engineers across the team.
• Coach and mentor engineers to deliver efficient extensible solutions and improve their technical and leadership skills.
• Advocate engineering best practices with active engagement leveraging agile methods and a CI/CD DevOps mindset.
• Triage bugs and the impact on product or service operations and quality with a focus on customer centricity
• Prioritize and multi-task between projects with the ability to handle changing priorities.
• Excellent team player with strong empathy and critical thinking skills.

• Degree in Computer Science or Engineering field or related experience
• 5 years of professional software engineering experience building full-stack web applications.
• Strong backend engineering background with Java and the Spring Boot ecosystem.
• Proven frontend expertise using React TypeScript and modern state management.
• Solid experience with relational databases data modeling and query optimization (MySQL preferred).
• Hands-on experience owning services in production including CI/CD pipelines containerized environments and cloud monitoring tools.

• Experience designing event streams schema management and message ordering/deduplication patterns at scale.
• Familiarity with Kotlin and Python

• Previous experience in the payments or fintech industry
• Background in re-architecting systems for high availability and scalability

Salary Range

These pay ranges apply to employees in New Jersey and New York. 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.

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