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Aequilibrium Software Inc.

Senior Fiserv DNA Developer / Integration Consultant

Remote, Canada

Remote

$70 to $90 CAD / hour · Contract

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Job details

Pay: $70 to $90 CAD / hour
Job type: Contract
Workplace: Remote
Apply by: Jan 23, 2027
Posting language: English
Posted: Oct 25, 2026

Original job description

Senior Fiserv DNA Developer / Integration Consultant

Independent Contractor | Remote within Canada

About the opportunity

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

Depending on the assignment, you may:

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.

How to express interest

Please submit your résumé online, and include the following in your cover letter:

DNA experience: Years of hands-on experience, most recent use and DNA versions worked with, where known.
APIs and tools: Specific DNA interfaces, APIs, SDKs and development tools you have used.
Project examples: One or two examples describing the business requirement, connected systems, your personal responsibilities and the production outcome.
Technical stack: Languages, databases, integration platforms and testing tools used.
Availability: Location/time zone, earliest start date, weekly capacity and expected hourly contract rate in CAD.

Anonymized project examples are welcome. Please do not submit confidential client information, proprietary code or restricted vendor documentation.

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.

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More about this job

Responsibilities

Design, develop, and support integrations between Fiserv DNA and third-party applications. Translate banking requirements into technical designs and perform end-to-end testing to ensure system reliability.

Requirements

Requires demonstrable hands-on experience with Fiserv DNA development and integration interfaces. Candidates must be based in Canada and possess strong software development skills relevant to financial services environments.

Skills

Fiserv DNA
DNAconnect
DNA Core API
Communicator Open
DNAcreator
API Integration
Software Development
SQL
Oracle
PL/SQL
C#
.NET
Middleware
Cloud Platforms
CI/CD
Financial Services

Remote locations

Canada

Remote locations (standardized)

Canada

Visa sponsorship

Not detected in the job text

Keywords

Fiserv DNA
Integration Consultant
Credit Union
Financial Services
DNAconnect
DNA Core API
Communicator Open
DNAcreator
DNAapps
API
Middleware
Database Queries
Authentication
Authorization
Transaction Reconciliation
Automated Testing
Regression Testing
C#
.NET
SQL
Oracle
PL/SQL
Cloud Platforms
CI/CD
Digital Banking
Loan Origination
CRM
Payments
Reporting Platforms
Systems Integrator

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