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# API Integration Developer

- **Company:** Excelon Solutions
- **Location:** United States (Remote available)
- **Experience:** Expert
- **Salary:** $108,311.0 - $130,000.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Amazon Web Services, Microsoft Azure, Cloud Computing, Code Review, Continuous Integration, DevOps, Programming Tools, Online Banking, Fraud Prevention and Detection, JSON, Python (Programming Language), Node.Js, OAuth, Software Engineering, Systems Integration, Management of Software Versions, Event Driven Architecture, Kubernetes, Integration Frameworks, Api Design, Restful APIs, Api Management, Docker, Golang, Microservices
- **Published:** June 18, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=732bf80bb18537a3

## About the Role

Do you have experience in Systems integration?, * 8+ years of software engineering and API development experience.

 * Strong experience integrating Plaid APIs (Auth, Balance, Transactions, Core Exchange).
 * Experience implementing Zelle or real-time payment integrations.
 * Strong knowledge of REST APIs, JSON, OAuth, Open Banking, and FDX standards.
 * Hands-on experience with Node.js, Python, Java, Go, or similar backend technologies.
 * Experience with microservices, event-driven architecture, and cloud platforms (AWS/Azure).
 * Knowledge of financial services, banking integrations, and payment ecosystems.
 * Familiarity with security, compliance, tokenization, and data privacy requirements.

Preferred Skills

 * Experience with Early Warning Services (EWS) ecosystem.
 * Experience with fraud monitoring and risk scoring solutions.
 * Kubernetes, Docker, CI/CD, and DevOps practices.
 * Financial services or credit union experience.

Pay: $108,310.91 - $130,000.00 per year

Application Question(s):

 * Do you have experience with Plaid or Zelle ?

Experience:

 * API : 7 years (Preferred)

## Description

We are seeking an experienced API Integration Developer Lead to drive the design, development, and implementation of enterprise-grade API integrations supporting Plaid, Zelle, and future fintech partner ecosystems. This role will lead the engineering effort for Open API Framework development, real-time payment integrations, financial data connectivity, and modernization initiatives., * Lead the design and development of scalable API integration solutions.

 * Drive implementation of Plaid Core Exchange and Zelle integrations.
 * Develop and maintain RESTful APIs, microservices, and integration frameworks.
 * Collaborate with business stakeholders, architects, and engineering teams to define integration requirements.
 * Ensure secure handling of financial data, authentication, token management, and webhook processing.
 * Support fraud monitoring integrations and transaction risk scoring capabilities.
 * Develop reusable API frameworks, versioning standards, and developer tooling.
 * Participate in architecture reviews, code reviews, and technical leadership activities.
 * Support certification, testing, and deployment activities for financial network integrations.
 * Mentor development teams and establish API development best practices.


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