Senior Fiserv DNA Developer – Integration Consultant

This is a fully remote position, open to applicants in Canada.

📋 Description

• Design, develop, and provide support for integrations between Fiserv DNA and external applications.

• Collaborate with DNA APIs and integration interfaces, such as DNAconnect, DNA Core API transactions, and/or Communicator Open.

• Convert banking requirements into technical designs, interface specifications, and data mappings.

• Implement authentication, authorization, validation, error handling, retry mechanisms, duplicate-request handling, and transaction reconciliation.

• Develop or enhance DNAapps using DNAcreator when necessary.

• Create automated integration tests and assist with end-to-end, regression, and business acceptance testing.

• Troubleshoot integration issues across DNA, middleware, and connected systems in partnership with client teams and vendors.

• Assist with releases, upgrades, production readiness, and technical handover processes.

• Document dependencies, platform limitations, and operational support procedures.

• Independently evaluate DNA integration requirements, identify interfaces and dependencies, and deliver secure, tested, and maintainable solutions.

• Collaborate with financial institutions, Fiserv, and other technology partners.

• Submit a résumé and cover letter detailing DNA experience, APIs and tools, project examples, technical stack, and availability.

⛳️ Requirements

• Proven hands-on development or integration experience with Fiserv DNA.

• Direct experience utilizing DNA APIs or integration interfaces, with an ability to articulate specific products, transactions, and tools used.

• Experience in delivering or supporting at least one DNA-related solution within a production financial-services environment.

• Strong software development capabilities in the languages and frameworks pertinent to DNA engagements; applicants should specify their stack.

• Experience with API integration, structured data formats, database queries, and troubleshooting across interconnected systems.

• Understanding of banking concepts such as members/customers, accounts, deposits, lending, balances, and transactions.

• Experience in creating secure, reliable integrations that handle sensitive financial information.

• Excellent communication skills with the ability to collaborate effectively with architects, business analysts, QA teams, and vendor specialists.

• Must be based in Canada and able to provide services as an independent contractor.

• Experience supporting Canadian credit unions is considered an asset.

• Familiarity with DNAcreator, DNAapps, or Fiserv AppMarket development and validation is an asset.

• Experience with multiple DNA versions, upgrades, or core banking conversions is an asset.

• Integration experience related to digital banking, loan origination, CRM, payments, or reporting platforms is an asset.

• Knowledge of C#/.NET, SQL, Oracle/PLSQL, middleware, cloud platforms, or CI/CD relevant to previous DNA work is an asset.

• Prior delivery experience with Fiserv, a credit union, a core banking service provider, or a systems integrator is an asset.

🏝️ Benefits

• Independent contractor opportunity.

• Remote work available within Canada.

• Accommodations provided throughout the selection process.

• Opportunity to support upcoming credit union and financial services projects.

• Hourly contract rate in CAD to be determined by the applicant.