Senior Full Stack Engineer

Company : Fiserv
Location : Berkeley Heights, NJ, 07922
Posted Date : 4 October 2025
Job Details
Senior Full Stack Engineer
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.
As a Senior Full Stack Engineer, you will be a valuable technical resource designing and developing enterprise UI solutions. You will work with Solution Architects within Fiserv's Merchant Reporting team, working on innovative solutions for merchants. You will have an opportunity to work effectively on complex projects independently and within a collaborative environment across but not limited to reporting, gift cards, recurring payments, and FX. You will research and suggest modern ways of development using the latest UI/UX technologies. You will also work with product managers and other engineers to design and implement new features on the platform.
What you'll do:
- Develop responsive and intuitive user interfaces using Angular on the frontend and Java on the backend.
- Participate in the design, development, and implementation of software applications to support Fiserv's business goals.
- Collaborate with cross-functional teams to gather requirements and translate them into technical specifications.
- Perform coding, testing, and debugging of applications to ensure optimal performance and reliability.
- Maintain and improve existing codebases and lead peer review processes.
- Be available and provide support during end-of-sprint releases, ensuring smooth deployment and resolving any last-minute issues.
- Responsibilities listed are not intended to be all-inclusive and may be modified as necessary.
Experience you'll need to have:
- 6+ years of experience in software development
- 4+ years of experience developing enterprise-grade software applications, with a strong focus on Java, Angular, and AWS within the Spring framework.
- Experience in frontend frameworks like Angular(v2+), Tailwind and core technologies such as HTML5, CSS4, JavaScript (ES6+), and Typescript
- 3+ years of experience with CI/CD pipelines and DevOps practices
- 3+ years of experience with Agile methodologies
- 1+ years of experience in SQL database
- Bachelor's degree in computer science, information systems, or a related field, or an equivalent combination of education, work, or military experience
Experience that would be great to have:
- Experience in the financial services industry
- Experience designing and implementing microfrontend architectures
- Experience with AWS services such as Lambda, API Gateway, S3, CloudFormation, etc.
- Exposure to other front-end frameworks (React, Vue)
How you'll work:
- Fiserv emphasizes in-person collaboration to help you grow your career while shaping the future of fintech; this role is on-site Monday through Friday.
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
Salary Range $90,000.00 - $158,400.00 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).
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.
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.
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