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Senior Software Engineer

Fiserv

Alpharetta, GAFull-timeSeen todaySeen in employer's feed today

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At a glance

Compensation
No compensation found
Location
Alpharetta, GA
Schedule
Full-time
Work Authorization
US work authorization required

Olive lists jobs from US employers, including remote roles you can work from the United States.

Job overview

The Senior Software Engineer will design, develop, and maintain software for Fiserv’s ACH transaction-processing application team. The role focuses on risk and fraud detection, cross-system integration, transactional data storage and retrieval, and maintaining secure, highly available systems that meet service-level needs. The engineer will work with product, business, and other stakeholders on platform enhancements and new client integrations.

Skills & qualifications

RequiredNice to have

Skills

Software Development, requiredJava, requiredJ2EE, requiredAWS, requiredSnowflake, requiredOracle, requiredDynamoDB, requiredUnix, requiredLinux, requiredShell Scripting, requiredTCP/IP, requiredSSL, requiredNetwork Layer, requiredFirewall, requiredCross-System Integration, requiredSocket-Based Calls, requiredOLTP Databases, requiredCI/CD Pipelines, requiredDevOps, requiredAgile Methodologies, requiredFinancial Services, nice to haveC/C++, nice to havePro*C, nice to have

Qualifications

6+ Years Software Development, required5+ Years Java and J2EE, required5+ Years Snowflake, Oracle, and DynamoDB, required5+ Years Unix and Linux, required5+ Years TCP/IP, SSL, and Integration, required5+ Years Socket-Based Calls, required5+ Years OLTP Database Integration, required5+ Years AWS, required3+ Years CI/CD and DevOps, required3+ Years Agile Methodologies, requiredBachelor's in Computer Science, Information Technology, Information Systems, or Related Field or Equivalent Work Experience, requiredValid Unrestricted U.S. Work Authorization, required

Full job description

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 Software Engineer

About your role:

At Fiserv, we are dedicated to transforming financial services technology to benefit our clients. As a Senior Software Engineer, 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.

This team is the Application team is the core IT team for transaction processing in the ACH Payment world at Fiserv.

What you'll do:

  • 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

Experience you'll need to have:

  • 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

Important information about this role:

  • 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.

Thank you for considering employment with Fiserv. Please:

  • Apply using your legal name

  • Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable).

Our commitment to Equal Opportunity:

Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law.

If you have a disability and require a reasonable accommodation in completing a job application or otherwise participating in the overall hiring process, please contact [email protected] . Please note our AskHR representatives do not have visibility to your application status. Current associates who require a workplace accommodation should refer to Fiserv’s Disability Accommodation Policy for additional information.

Note to agencies:

Fiserv does not accept resume submissions from agencies outside of existing agreements. Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions.

Warning about fake job posts:

Please be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information. Any communications from a Fiserv representative will come from a legitimate Fiserv email address.

How this job compares

Set against the 39,677 open Software Engineer jobs on Olive Jobs, counted November 10, 2026.

Pay
  • This postingNot listed
  • Georgia median$115–199K/yr513 salary ranges
  • Georgia median$53–65/hr23 hourly ranges
Openings
Olive Jobs lists 716 open Software Engineer jobs in Georgia and 39,677 across the US. 8% of them nationwide are listed as remote or flexible.
Hiring the most in Georgia
Experience
This posting asks for at least 6 years of experience; Software Engineer postings that state a minimum ask for 5 years at the median (32,705 postings).
Education
12,375 of the 39,677 open Software Engineer jobs (31%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on November 10, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.

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