Senior Fiserv DNA Developer / Integration Consultant

Aequilibrium Software

2d • Remote

About The Position

Aequilibrium seeks experienced developers and integration consultants based in Canada to support upcoming credit-union and financial-services opportunities involving Fiserv DNA. The role supports financial institutions in connecting DNA core banking capabilities with digital banking platforms, lending systems, CRM, payments, and other third-party services. Assignments may include designing and developing integrations, working with DNA APIs and interfaces, translating banking requirements into technical designs, building DNAapps where applicable, testing, troubleshooting, supporting releases, and documenting operational procedures. The position is offered as an independent contractor and is remote within Canada.

Requirements

• Demonstrable hands-on development or integration experience with Fiserv DNA.
• Direct experience using DNA APIs or integration interfaces and ability to explain the specific products, transactions, and tools used.
• Experience delivering or supporting at least one DNA-related solution in a production financial-services environment.
• Strong software development skills in the languages and frameworks used in prior DNA engagements; applicants should identify their stack.
• Experience with API integration, structured data formats, database queries, and troubleshooting across connected systems.
• Understanding of banking concepts such as members/customers, accounts, deposits, lending, balances, and transactions.
• Experience building secure, reliable integrations involving sensitive financial information.
• Clear communication skills and ability to collaborate with architects, business analysts, QA teams, and vendor specialists.
• Based in Canada and able to provide services as an independent contractor.

Nice To Haves

• Experience supporting Canadian credit unions.
• DNAcreator, DNAapps, or Fiserv AppMarket development and validation experience.
• Experience with multiple DNA versions, upgrades, or core banking conversions.
• Integration experience involving digital banking, loan origination, CRM, payments, or reporting platforms.
• C#/.NET, SQL, Oracle/PLSQL, middleware, cloud platforms, or CI/CD experience relevant to previous DNA work.
• Previous delivery experience with Fiserv, a credit union, a core banking service provider, or a systems integrator.

Responsibilities

• Design, develop, and support integrations between Fiserv DNA and third-party applications.
• Work with DNA APIs and integration interfaces, including DNAconnect, DNA Core API transactions, and/or Communicator Open, as applicable.
• Translate banking requirements into technical designs, interface specifications, and data mappings.
• Implement reliable handling of authentication, authorization, validation, errors, retries, duplicate requests, and transaction reconciliation.
• Develop or enhance DNAapps using DNAcreator where required and supported by experience.
• Create automated integration tests and support end-to-end testing, regression testing, and business acceptance.
• Diagnose integration issues across DNA, middleware, and connected systems in collaboration with client teams and vendors.
• Support releases, upgrades, production readiness, and technical handover.
• Document dependencies, platform constraints, and operational support procedures.

What This Job Offers

• Career Level: Senior
• Education Level: No Education Listed