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# Senior Full Stack Software Engineer

- **Company:** Fiserv, Inc.
- **Location:** Berkeley Heights, NJ, United States
- **Experience:** Expert
- **Salary:** $128,000.0 - $216,000.0
- **Contract:** Temporary contract
- **Skills:** C (Programming Language), Java (Programming Language), Agile Methodology, Amazon Web Services, Software Applications, Microsoft Azure, C Sharp (Programming Language), C++ (Programming Language), Information Systems, Software Debugging, DevOps, Software Engineering, Product Software Implementation Methods, SQL Databases, Google Cloud, Large Language Models, Information Technology, Programming Languages
- **Published:** October 22, 2026
- **Apply:** https://www.dice.com/job-detail/6a0c2a28-e88d-431e-9570-e395375d794b

## About the Role

* 6+ years of experience in software development
 * 3+ years of experience in Java, C, C#, C++, or similar programming languages
 * 3+ years of experience in SQL databases
 * 3+ years of experience in AWS, Azure, or Google Cloud Platform services
 * 3+ years of experience with CI/CD pipelines and DevOps practices
 * 3+ years of experience with Agile methodologies
 * 1+ years of experience with LLM/engine and the ability demonstrate steps that were executed for a real use case
 * 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

## Description

At Fiserv, we are dedicated to transforming financial services technology to benefit our clients. As a Senior Full Stack Software Engineer (Client-Side + Server-Side ), 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 be a part of a team that is building the Merchants Onboarding & Client Implementations platforms.

You will have an opportunity to work effectively on complex projects independently and within a collaborative team-oriented environment. If you're a self-motivated engineering lead with proven track record managing and automating operations of applications, we want to talk to you!

What you'll do:

 * Lead 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.
 * Mentor junior developers and provide technical guidance to enhance team capabilities.