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Fiserv

Senior Full Stack Developer

On site

Berkeley heights, United states

$ 186,000 /year

Senior

Full Time

06-12-2025

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Skills

Critical Thinking Go TypeScript Jira GitLab Docker Research Training Databases git Organization react Software Development Confluence Agile

Job Specifications

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 Full Stack Developer

About Your Role

Join our Experience team at Finxact, where you'll help design and build digital and AI-powered features for the Finxact.io platform. We're looking for a full-stack developer with a strong interest in AI, who thrives in fast-paced, collaborative, and autonomous environments. You’ll work closely with cross-functional teams to deliver software that meets real client and partner needs—bringing both innovation and efficiency to our platform.

What You’ll Do

Develop and maintain front-end interfaces for web applications using modern languages and frameworks such as TypeScript and React
Design and implement back-end services and APIs using Golang, Docker and other relevant technologies
Write clean, maintainable, and efficient code; follow best practices and coding standards and conduct code reviews and provide constructive feedback to peers
Troubleshoot and debug issues reported by QA, partners, or clients to ensure high-quality application performance
Develop technical designs and collaborate cross-functionally with product managers, designers, developers, and business users to define, design, and deploy new features
Operate within an agile environment as an active participant in all traditional agile ceremonies and activities to deliver high-quality outputs
Help lead key team initiatives and mentor Junior Developers
Responsibilities listed are not intended to be all-inclusive and may be modified as necessary

Experience You'll Need To Have

6+ years of software development experience in a Technology, AI, Fintech, or SaaS organization
4+ years of development experience in Go, TypeScript, React, or an equivalent language
2+ years of experience with relational databases, Docker, and GIT
2+ years of experience utilizing critical thinking and research strategies to augment existing codebases
2+ years of experience leading development initiatives and delivering tangible results
Bachelor’s degree in computer science, engineering, or a related field, or an equivalent combination of education, work or military experience

Experience That Would Be Great To Have

2+ years of experience with associated development and documentation applications: Jira, Confluence, GitLab, Visio, and Lucid Charts
Experience in Core Banking Platform or Payments
Experience building AI solutions or using AI to enhance day-to-day productivity

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.
The role requires being on-call less than 1 week per month

Sponsorship

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.

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

$110,000.00 - $186,000.00

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.

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About the Company

Fiserv, Inc. (NYSE: FI) is a global technology leader committed to delivering innovative and transformative financial services experiences for clients in more than 100 countries. Know more