Software Development Engineering - Sr Professional II

Fiserv•Berkeley Heights, NJ

About The Position

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 Software Development Engineering - Sr Professional II About your role: The Java Developer role is an opportunity to be part of a delivery team that building the Commerce Hub platform. Built to deliver innovation through simple, fast integrations, the Commerce Hub is the most powerful omnichannel platform. With developer-friendly, flexible communication standards, unified APIs, and pre-certified integrations the Commerce Hub reduces development time and accelerates speed to market. A true single-entry point and intelligent orchestration layer provides access to the latest, most popular commerce experiences through merchants' existing infrastructure. With less ongoing maintenance and fewer operational costs, merchants can focus on creating new ways for consumers to discover and interact with them.

Requirements

Bachelor’s degree in computer science, Software Engineering, or a related field.
About 3-4 years of experience in Java, with 3 years of experience in Spring framework and Spring Boot
Expertise in implementing complex full stack solutions including digital and mobile systems, API, and Micro-Services in large Enterprise organizations.
Deep understanding of Object-oriented Programming and design patterns.
Experience on React, Angular, TypeScript, TanStack Router, Tailwind CSS
Experience on creating unit test using JUnit, Mockito
Experience with Databases and code integrations such as Oracle, SQL Server, MySQL, DynamoDB
Expertise in implementing complex full stack solutions including digital and mobile systems, RESTful API, and Micro-Services in large Enterprise organizations.

Nice To Haves

Payment Industry Experience
Good to have experience in PCF or related cloud platform, API Management)
Experience in implementing high volume transactions processing applications.
Good to have Experience on using Quality and Security scan tools such as Sonar, Fortify and Web Inspect
Experience in Integration Testing APIs with Postman, JMeter etc.

Responsibilities

Analyze complex processes and technological heterogenic applications
Design SW solutions in the real-time, payment area
Design, develop microservices for highly efficient protocol translation and enrichment with reactive design patterns.
Deliver end to end solutions for Payment APIs.
Develop high throughput and high-volume transaction APIs that can be consumed by omni channel platforms.
Enhance API solutions to offer simple, easy to consume APIs for payment customers.
Participate in development of roadmap and strategies for documenting and presenting API specifications in an easy and consumable format.
Develop roadmap and strategies to provide Client Libraries and SDKs for API products.
Develop responsive, modular UI components using React/Angular with TypeScript.
Implement client‑side routing using TanStack Router for seamless navigation.
Build clean and consistent layouts using Tailwind CSS.
Integrate frontend interfaces with backend APIs and ensure optimized user experience.
Integrate with AWS cloud services and follow best practices for secure backend development.
Develop and deploy services on AWS using cloud-native components.