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# Senior Software Engineer

- **Company:** Fiserv, Inc.
- **Location:** Alpharetta, GA, United States
- **Experience:** Expert
- **Contract:** Temporary contract
- **Skills:** Java (Programming Language), Agile Methodology, Amazon Web Services, Unix, C++ (Programming Language), Information Systems, Databases, Linux, DevOps, Amazon DynamoDB, Java Platform Enterprise Edition (J2EE), Fraud Prevention and Detection, Network Layer, Online Transaction Processing, Oracle (Applications), Software Engineering, Systems Integration, TCP/IP, Transaction Data, Transaction Processing (Computing), Transport Layer Security, System Availability, Snowflake, Firewalls (Computer Science), Information Technology, Legacy Systems
- **Published:** November 11, 2026
- **Apply:** https://dejobs.org/x/x/ECCF3D30B1D64940B11067545D9E984B/job/

## About the Role

* 6+ years of experience in software development
 * 5+ years of hands-on experience in Java , J2EE coding in AWS cloud infrastructure.
 * 5+ years of experience in snowflake , Oracle and Dynamo DB
 * 5+ years of experience with Unix and Linux operating system, scripts and commands.
 * 5+ years of experience in TCP/IP , SSL , cross system integration and strong knowledge of network layer , firewall and system integration.
 * 5+ years of experience in Socket based calls involving multilayer system calls handling SLA based transaction processing.
 * 5+ years of experience working with application and Very Large OLTP Database calls integration adhering to system SLA needs
 * 5+ years of experience in AWS
 * 3+ years of experience with CI/CD pipelines and DevOps practices
 * 3+ years of experience with Agile methodologies
 * Bachelor's degree in Computer Science, Information Technology, Information Systems, a related field (or foreign equivalent degree), or equivalent work experience.

Experience that would be great to have:

 * Experience in the financial services industry
 * Experience or knowledge of Legacy systems involving C/C++/ pro*c is an added advantage

## Description

* Build and maintain complex algorithms and application stack codebase dealing with Risk and Fraud detection in an OLTP environment with high standards of SLA and system high availability.
 * Efficient cross system integration to handle transaction per SLA needs
 * Storage and retrieval of transactional data from OLTP database using quick and efficient methods
 * Dealing with multiple stakeholders, Product and business groups to understand the go forward requirements and initiatives for enhancement of the platform and new client integration
 * Maintain security standards of the application code base and provide quick resolution to incidents and issues reported across the board in a live transaction processing environment in high availability, * This role is on-site Monday through Friday. Fiserv considers in-person collaboration to be an essential part of this role as in-person office experiences help you with your overall onboarding experience and leads to stronger productivity.
 * 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.
 * This is a full-time, direct-hire position, and no contract options for unsolicited agency submissions will be considered.
 * All offers of employment are contingent on standard background checks. Fiserv and certain of its affiliated companies are federal, state, and/or local government contractors. Should this position support a Federal Government contract, now or in the future, the successful candidate will be subject to a background check conducted by the U.S. Government to determine eligibility and suitability for federal contract employment for public trust or sensitive positions. Positions that support state and/or local contracts also may require additional background checks to determine eligibility and suitability.

This role is not eligible to be performed in Colorado, California, District of Columbia, Hawaii, Illinois, Massachusetts, Maryland, Minnesota, New Jersey, New York, Nevada, Rhode Island, Vermont, Virginia, Maine or Washington.

It is unlawful to discriminate against a prospective employee due to the individual's status as a veteran.

Please note that salary ranges provided for this role on external job boards are salary estimates made by outside parties and may not be accurate.