Senior Fiserv DNA Developer / Integration Consultant

Aequilibrium; Canada; Remote; CAD 120,000 - 180,000; Part time

Job summary

Aequilibrium, a Canadian technology consulting firm, seeks an experienced Senior Fiserv DNA Developer / Integration Consultant to work as an Independent Contractor remotely within Canada. You will connect core banking DNA with digital banking, lending, CRM, payments and third-party services.

You will design, develop and test DNA integrations, use DNA APIs, and ensure secure, reliable interfaces. This role values production experience, strong communication, and collaboration with client teams.

Qualifications

• Hands-on development or integration with Fiserv DNA.
• Experience delivering DNA-related solutions in production.
• Ability to explain products, transactions and tools used.

Responsibilities

• Design, develop and support integrations between Fiserv DNA and third-party applications.
• Work with DNA APIs and integration interfaces (DNAconnect, DNA Core API).
• Translate banking requirements into technical designs and data mappings.
• Implement secure handling of auth, errors, retries and reconciliation.
• Develop or enhance DNAapps using DNAcreator where required.
• Create automated integration tests and support end-to-end testing.
• Diagnose integration issues across DNA, middleware and connected systems.
• Support releases, upgrades and handover.
• Document dependencies and operational procedures.

Skills

DNA development

DNA APIs

C# / .NET

SQL

Cloud platforms

CI/CD

Communication

Education

Bachelor’s degree in Computer Science or related field

Tools

DNAcreator

DNAapps

Job description

Senior Fiserv DNA Developer / Integration Consultant Independent Contractor | Remote within Canada

Aequilibrium seeks experienced Canadian-based developers and integration consultants to support upcoming credit-union and financial-services opportunities involving Fiserv DNA . We are looking for professionals who have personally developed, integrated, tested or supported solutions connected to the DNA core banking platform. You will help financial institutions connect their core banking capabilities with digital banking platforms, lending systems, CRM, payments and other third-party services.

What you will do

• 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 to the institution's environment.
• 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 your 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, working with client teams and vendors.
• Support releases, upgrades, production readiness and technical handover.
• Document dependencies, platform constraints and operational support procedures.

What you bring

• Required Demonstrable, hands-on development or integration experience with Fiserv DNA . Direct experience using DNA APIs or integration interfaces, with the 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 your DNA engagements; please identify your 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 the ability to collaborate with architects, business analysts, QA teams and vendor specialists.
• Based in Canada and able to provide services as an independent contractor.
• An asset 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 your previous DNA work.
• Previous delivery experience with Fiserv, a credit union, a core banking service provider or a systems integrator.

What success looks like

You can independently assess a DNA integration requirement, identify the relevant interfaces and dependencies, and deliver a secure, tested and supportable solution. You explain platform limitations clearly and work effectively across the financial institution, Fiserv and other technology partners.

About Aequilibrium

Aequilibrium is a Canadian technology consulting company helping organizations enrich people's lives by crafting remarkable experiences. We combine strategy, architecture, experience design, and engineering to help financial institutions modernize their services and deliver better member experiences. We welcome qualified applicants from diverse backgrounds and provide accommodations throughout the selection process.