

Search Wizards
Fiserv DNACreator Consultant
⭐ - Featured Role | Apply direct with Data Freelance Hub
This role is for a Fiserv DNACreator Consultant, with a contract length of over 6 months, located in Cleveland, Ohio. Key skills include C#, .NET, Oracle, and API integration experience. A minimum of 3 years in core banking platforms is required.
🌎 - Country
United States
💱 - Currency
$ USD
-
💰 - Day rate
818
-
🗓️ - Date
March 4, 2026
🕒 - Duration
More than 6 months
-
🏝️ - Location
On-site
-
📄 - Contract
Unknown
-
🔒 - Security
Unknown
-
📍 - Location detailed
Cleveland, OH
-
🧠 - Skills detailed
#Libraries #SQL (Structured Query Language) #REST API #SQL Queries #C# #.Net #Databases #Business Analysis #REST (Representational State Transfer) #Data Processing #Web Services #Security #Visual Studio #Oracle #Data Integration #Data Modeling #API (Application Programming Interface) #Scala
Role description
About the Company
Fiserv DNA is a real‑time, open architecture core platform designed for extensibility, customization, and high‑throughput processing. Its customization environment—DNAcreator—uses industry-standard technologies such as C#, Web Services, WinForms, and Visual Studio to build DNA applications. DNA itself is powered by Microsoft .NET libraries and Oracle database technology, allowing scalable, real‑time data processing and analysis. [fiserv.com] [fiserv.com] [fiserv.com]
About the Role
Our Client is a Banking customer in Cleveland, Ohio who is migrating their Core Banking systems to Fiserv. We are seeking an experienced Fiserv DNA API Developer to design, develop, and support integrations, extensions, and custom applications on the Fiserv DNA core banking platform. This role involves working with open APIs, DNAcreator, C#/ .NET, Oracle, and real-time core processing systems to support mission‑critical banking operations. The ideal candidate has hands-on experience building DNAapps, integrating third‑party systems using web services, and working with real-time relational models centered around customers, accounts, and financial transactions.
Responsibilities
• API & Integration Development
• Design, develop, and maintain integrations between Fiserv DNA and third‑party platforms using SOAP/REST Web Services.
• Build custom modules and DNAapps using DNAcreator’s development environment (C#, WinForms, Web Services). [fiserv.com]
• Implement solutions that leverage DNA’s open architecture for system interoperability and extensibility. [fiserv.com]
• Core Banking Customization
• Develop and support core customizations that interact with DNA’s real-time transaction processing engine. [fiserv.com]
• Work with DNA’s person-centered relational database model to support customer, account, and transaction logic. [fiserv.com]
• Create custom workflows, views, inquiries, and UI extensions within DNAcreator.
• Data & Database Work
• Write and optimize Oracle SQL queries for DNA’s underlying database engine.
• Design data integrations that align with DNA’s real-time relational model and scalable architecture. [fiserv.com]
• Technical Collaboration
• Work closely with business analysts, architects, and product owners to translate business needs into technical solutions.
• Ensure integrations comply with regulatory, security, and performance standards.
Troubleshoot production issues and provide ongoing support for DNA-integrated applications.
Qualifications
• Required Qualifications
• 3+ years of experience developing on or integrating with Fiserv DNA or similar core banking platforms.
• Strong proficiency in C# and the .NET framework, used extensively in DNA and DNAcreator development. [fiserv.com]
• Experience building components using WinForms, Visual Studio, Web Services, and C# via DNAcreator. [fiserv.com]
• Practical experience with Oracle databases, SQL optimization, and relational data modeling. [fiserv.com]
• Expertise integrating enterprise systems using SOAP/REST APIs.
•
• Platform Knowledge
• Understanding of DNA’s open architecture design and ability to create extensible solutions. [fiserv.com]
• Familiarity with real‑time, high‑volume transaction processing systems.
• Experience working with core banking workflows and financial data structures.
•
• Soft Skills
• Strong problem-solving and analytical skills.
• Ability to work collaboratively in a cross-functional environment.
• Excellent communication skills, with the ability to translate complex technical concepts into clear business language.
Preferred Skills
• Experience developing or publishing DNAapps via the Fiserv App
About the Company
Fiserv DNA is a real‑time, open architecture core platform designed for extensibility, customization, and high‑throughput processing. Its customization environment—DNAcreator—uses industry-standard technologies such as C#, Web Services, WinForms, and Visual Studio to build DNA applications. DNA itself is powered by Microsoft .NET libraries and Oracle database technology, allowing scalable, real‑time data processing and analysis. [fiserv.com] [fiserv.com] [fiserv.com]
About the Role
Our Client is a Banking customer in Cleveland, Ohio who is migrating their Core Banking systems to Fiserv. We are seeking an experienced Fiserv DNA API Developer to design, develop, and support integrations, extensions, and custom applications on the Fiserv DNA core banking platform. This role involves working with open APIs, DNAcreator, C#/ .NET, Oracle, and real-time core processing systems to support mission‑critical banking operations. The ideal candidate has hands-on experience building DNAapps, integrating third‑party systems using web services, and working with real-time relational models centered around customers, accounts, and financial transactions.
Responsibilities
• API & Integration Development
• Design, develop, and maintain integrations between Fiserv DNA and third‑party platforms using SOAP/REST Web Services.
• Build custom modules and DNAapps using DNAcreator’s development environment (C#, WinForms, Web Services). [fiserv.com]
• Implement solutions that leverage DNA’s open architecture for system interoperability and extensibility. [fiserv.com]
• Core Banking Customization
• Develop and support core customizations that interact with DNA’s real-time transaction processing engine. [fiserv.com]
• Work with DNA’s person-centered relational database model to support customer, account, and transaction logic. [fiserv.com]
• Create custom workflows, views, inquiries, and UI extensions within DNAcreator.
• Data & Database Work
• Write and optimize Oracle SQL queries for DNA’s underlying database engine.
• Design data integrations that align with DNA’s real-time relational model and scalable architecture. [fiserv.com]
• Technical Collaboration
• Work closely with business analysts, architects, and product owners to translate business needs into technical solutions.
• Ensure integrations comply with regulatory, security, and performance standards.
Troubleshoot production issues and provide ongoing support for DNA-integrated applications.
Qualifications
• Required Qualifications
• 3+ years of experience developing on or integrating with Fiserv DNA or similar core banking platforms.
• Strong proficiency in C# and the .NET framework, used extensively in DNA and DNAcreator development. [fiserv.com]
• Experience building components using WinForms, Visual Studio, Web Services, and C# via DNAcreator. [fiserv.com]
• Practical experience with Oracle databases, SQL optimization, and relational data modeling. [fiserv.com]
• Expertise integrating enterprise systems using SOAP/REST APIs.
•
• Platform Knowledge
• Understanding of DNA’s open architecture design and ability to create extensible solutions. [fiserv.com]
• Familiarity with real‑time, high‑volume transaction processing systems.
• Experience working with core banking workflows and financial data structures.
•
• Soft Skills
• Strong problem-solving and analytical skills.
• Ability to work collaboratively in a cross-functional environment.
• Excellent communication skills, with the ability to translate complex technical concepts into clear business language.
Preferred Skills
• Experience developing or publishing DNAapps via the Fiserv App






