Senior Full Stack Developer

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 

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 

 

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Salary Range

$87,200.00 - $155,700.00

These pay ranges apply to employees in New Jersey, New York and California. Pay ranges for employees in other states may differ.