Senior Fullstack Engineer

Fiserv

Confirmed live today High trust

Quick summary

Work type: On-site
Location: Sunnyvale, CA
Salary: $140,000–$210,000 / yr
Posted: 8 days ago
Freshness: Confirmed live today
Nearby: 99+ roles within 25 mi

Market check

Salary context

Below market

How this pay compares to similar roles

Similar $200k

This role $175k

$130k $235k

below market most similar roles pay here above market

This role pays less than 75% of similar roles. Most pay $176,687–$223,750 — the blue band above. At the midpoint, this role pays about $175k versus about $200k for comparable roles.

Based on 240 similar postings.

Employer

About Fiserv

Fiserv is a global leader in financial services technology, providing core banking platforms, payment processing, digital banking, and merchant acquiring solutions to financial institutions and businesses. Industry: Financial Technology & Payments

Fiserv currently has 117 open roles on FindRole.

Listed pay typically runs $123,500–$193,800 across 85 roles with salary data.

Most-posted roles

View all roles at Fiserv

At a glance

TL;DR · Senior Fullstack Engineer

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The Sr Fullstack Engineer joins the Payments team to support the core transaction platform for small and mid-sized businesses. This role involves building microservices, developing accessible and responsive user interfaces, and architecting solutions for new features like hosted checkouts and virtual components. You will own web applications and ensure that all production code is stable and well-tested. The technical stack includes React, Typescript, Java, MySQL, and REST APIs. Key responsibilities include modernizing the stack from code to infrastructure and participating in a shared on-call rotation to mitigate UI defects and backend system outages. The work focuses on creating a highly reliable, low-latency transaction engine that guarantees correctness for various purchase options while improving the overall seamlessness of the site experience.

Skills

Java React TypeScript JavaScript MySQL HTML CSS REST APIs Microservices NoSQL Oracle Angular Vue.js Automated Testing AI Platforms

What you'll do

Build and maintain microservices using Java and MySQL.
Develop accessible, responsive user interfaces using React and TypeScript.
Design and implement new features from the ground up for payment products.
Architect solutions for new features and ensure production code is stable and well-tested.
Modernize the technology stack across both code and infrastructure.
Participate in a shared on-call rotation to investigate and mitigate UI defects and backend outages.
Improve the user experience for hosted checkouts and virtual components.

What we're looking for

5 years of experience building software with combined experience in server-side languages and front-end technologies.
Experience with Java development.
Knowledge of a Single Page App framework such as React, Angular, or Vue.js.
Experience with API design and REST APIs.
Understanding of database technologies such as MySQL, Oracle, or NoSQL DB.
Knowledge of automated testing practices.
Experience designing and implementing new features from the ground up.
Experience in the Payments domain, eCommerce Solutions, or with AI Platforms (preferred).

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