Senior Software Engineer
Fiserv· enterprise· Fintech / Payments· Oct 23, 2026 · 3d ago
Berkeley Heights, New Jersey
In office
Full-time
Senior
$128K–$216K
8+ years exp
Job description
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
Senior Software Engineer
About your role:
At Fiserv, we are dedicated to transforming financial services technology to benefit our clients. As a Senior Software Engineer you will play a critical role in designing, developing, and maintaining high-quality software applications. You will work with cross-functional teams to deliver solutions that align with our business goals and client needs.
You will design, build, and support highly scalable distributed applications and event-driven systems. You will ideally have strong hands-on experience with Java, Spring Boot, AWS, Apache Kafka/Amazon MSK, MySQL, microservices, APIs, and system design. This role requires someone who can understand complex business requirements, translate them into scalable technical designs, and take ownership of solutions from design through production.
What you ll do:
Design, develop, and maintain highly scalable Java and Spring Boot applications and microservices.
Design and implement distributed and event-driven architectures using Apache Kafka and Amazon MSK.
Build reliable asynchronous workflows, event producers/consumers, and service-to-service integrations.
Design robust REST APIs and integration services for enterprise applications.
Participate in system design and architecture discussions, including scalability, availability, resiliency, fault tolerance, and performance.
Develop and support cloud-native solutions using AWS services.
Design and optimize data access using MySQL, including queries, indexes, transactions, and overall database performance.
Troubleshoot complex issues across applications, APIs, databases, messaging platforms, and distributed systems.
Implement appropriate error handling, retry mechanisms, monitoring, logging, and operational resiliency.
Conduct code reviews and promote strong engineering practices around code quality, testing, security, and maintainability.
Collaborate with product, architecture, QA, DevOps, and other engineering teams throughout the software development lifecycle.
Provide technical guidance and mentorship to other engineers.
Take ownership of applications and services from design and development through deployment and production support.
Experience you ll need to have:
8 years of professional software development experience.
Strong hands-on development experience with Java.
Strong experience with Spring Boot and microservices architecture.
Strong understanding of distributed systems and event-driven architecture.
Hands-on experience with Apache Kafka and/or Amazon MSK.
Strong experience with AWS and cloud-native application development.
Strong experience with MySQL or similar relational databases.
Strong understanding of system design, including scalability, high availability, resiliency, performance, and fault tolerance.
Experience designing and integrating RESTful APIs and backend services.
Solid understanding of concurrency, asynchronous processing, caching, messaging, and distributed application patterns.
Experience troubleshooting and supporting applications in production environments.
Strong understanding of software engineering best practices, including automated testing, code reviews, CI/CD, observability, and secure development.
Strong communication, analytical, and problem-solving skills.
Bachelor s degree in computer science, Information Technology, Information Systems, or a related field (or foreign equivalent degree) or equivalent work experience
Experience that would be great to have:
Experience in the financial services industry
Experience working with CRM platforms or CRM-integrated applications is preferred
Important information about this role:
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
This is a full-time, direct-hire position, and no contract options for unsolicited agency submissions will be considered
All offers of employment are contingent on standard background checks. Fiserv and certain of its affiliated companies are federal, state, and/or local government contractors. Should this position support a Federal Government contract, now or in the future, the successful candidate will be subject to a background check conducted by the U.S. Government to determine eligibility and suitability for federal contract employment for public trust or sensitive positions. Positions that support state and/or local contracts also may require additional background checks to determine eligibility and suitability
Salary Range
$128,000.00 - $216,000.00
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 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.
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 AskHR.US fiserv.com . 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.
Application prep
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