Database Engineer, Sr

Our software engineers at Fiserv bring an open and creative mindset to a global team developing mobile applications, user interfaces and much more to deliver industry-leading financial services technologies to our clients. Our talented technology team members solve challenging problems quickly and with quality. We're seeking individuals who can create frameworks, leverage developer tools, and mentor and guide other members of the team. Collaboration is key and whether you are an expert in a legacy software system or are fluent in a variety of coding languages you're sure to find an opportunity as a software engineer that will challenge you to perform exceptionally and deliver excellence for our clients.

• Full-time
• Entry, Mid, Senior
• Yes (occasional), Minimal (if any)

Responsibilities

Requisition ID R-10366452 Date posted 10 / 31 / 2025 End Date 11 / 10 / 2025 City Sunnyvale State / Region California Country United States Location Type Onsite

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

Database Engineer, Sr

Senior Database Engineer

What would a Successful Sr Database Engineer do at Clover?

A successful Senior Database Engineer at Clover transforms database infrastructure into a powerful, scalable engine that drives our payment ecosystem. You'll be the architect of performance, designing and optimizing database solutions that enable seamless transactions for over 1M merchants worldwide. Your expertise will directly impact how small and medium businesses process $310 billion in card transactions, turning technical challenges into strategic opportunities that support business growth and innovation.

About The Team

The Database team within Clover Infrastructure is responsible for managing and scaling SQL deployments in the cloud heavily dependent on MySQL Databases and NoSQL MongoDB solutions, ensuring seamless performance and reliability. With a forward-looking approach, we explore cutting-edge cloud technologies to enhance scalability, simplify management, and boost database performance. Collaborating closely with developers, we co-design database strategies tailored to specific requirements. Beyond maintaining performance and the technology stack, our role is pivotal in shaping the future of databases.

What You Will Do

Ensure high reliability and performance for applications while supporting new feature development

Perform schema changes without downtime in a growing sharded database environment

Manage data migrations between shards and create new clusters to support growth

Resolve performance issues through analysis and optimization

Automate routine DBA tasks to improve efficiency and reliability

Support development of new features in both RDBMS and NoSQL environments

What You Will Need To Have

Bachelor's in Computer Science; Master's preferred

8+ years with MySQL, including replication, sharding, database performance tuning, and backups

3+ years with NoSQL preferably MongoDB with Atlas and sharding experience

Experience with Planetscale / Vitess

Cloud-native database experience and DevOps familiarity

Docker and Kubernetes proficiency

Clear understanding of Network constructs and Network security

What Would Be Great To Have

Distributed systems architecture

High availability design

Performance optimization techniques

Database migration strategies

6+ years of an equivalent combination of educational background, related experience, and / or military experience

#LI-JI1

#LI-Onsite

Salary Range

$160,000.00 - $240,000.00

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 individual's status as a veteran.

For incentive eligible associates, the successful candidate is eligible for an annual incentive opportunity which may be delivered as a mix of cash bonus and equity awards in the Company’s sole discretion.

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 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.

Benefits

Medical, Vision and Dental Benefits

Comprehensive benefit plans to suit your unique needs

Fuel Your Life Wellness Program

Resources to elevate your well-being

401k, Employee Stock Purchase Plans and Incentives & Bonuses

When Fiserv performs well, so does your financial health

Employee Resource Groups

Celebrating inclusion in the workplace

Paid Time Away

Providing the time off to manage personal needs