API Integration Engineer

Type: Contract to Hire

Location: Loveland, Colorado

Schedule: Hybrid - 3 days onsite

Overview

We are seeking an experienced API Integration Engineer who will design, build, and support scalable integrations across partner ecosystems. This role focuses on developing secure RESTful and event driven integrations, maintaining strong observability practices, and collaborating with cross functional teams. The ideal candidate communicates clearly with both technical and non-technical audiences and delivers stable, production ready APIs.

Key Responsibilities

API Integration and Development
* Lead end to end integrations with external partners and internal systems
* Design and implement REST APIs and webhook based integrations with clear versioning and backward compatibility
* Develop and maintain API documentation including OpenAPI and Swagger
* Build and support internal and external APIs for multiple client applications

Security and Authentication
* Implement OAuth2, token-based authentication flows, JWT, and mTLS
* Reduce integration defects by applying secure authentication patterns

Observability and Reliability
* Establish monitoring standards including SLIs, SLOs, dashboards, and alerting
* Improve MTTR through effective incident triage and production support
* Provide on call support during production rollouts and hotfixes

Collaboration and Delivery
* Partner with product and platform teams to align technical work with business requirements
* Work closely with QA and DevOps to improve quality through automated testing and CI/CD pipelines
* Communicate effectively with internal teams and external partners

Required Skills and Experience

Core Technical Skills
* API design and integration using REST, JSON, and Webhooks
* Authentication and security including OAuth2, JWT, and mTLS
* API gateway experience with platforms such as Azure APIM, Kong, or Apigee
* Strong understanding of cloud architecture within Azure
* Observability and reliability using logs, metrics, and tracing
* CI/CD and DevOps automation
* Production support and incident response

Languages and Frameworks
* Java, C#, Python, JavaScript or TypeScript
* Spring Boot, .NET Core, Node.js

Data and Tools
* SQL and NoSQL databases
* Message queues
* Git, Azure DevOps, GitHub Actions, Postman, Datadog

Preferred Certifications

• Azure Developer or Solutions Architect

At Ledgent Technology, we prioritize our contractors, whom we proudly call Ambassadors. Our commitment to you is demonstrated through a comprehensive benefits program that stands out in the temporary staffing industry. We annually review and update our vendor relationships to ensure we provide the most cost-effective benefits options. Our Ambassadors are eligible for a wide range of benefits, including:

• Minimum Essential Coverage (MEC) Plan


• Basic and enhanced hospital indemnity plans


• Dental and vision coverage


• Accident and critical illness plans


• Term life insurance


• Short-term disability plan


• Direct deposit/pay card options


• Credit union membership


• Employee discount clubs


• Referral bonuses


• Training and coaching


• Specialized recognition programs

All qualified applicants will receive consideration for employment without regard to race, color, national origin, age, ancestry, religion, sex, sexual orientation, gender identity, gender expression, marital status, disability, medical condition, genetic information, pregnancy, or military or veteran status. We consider all qualified applicants, including those with criminal histories, in a manner consistent with state and local laws, including the California Fair Chance Act, City of Los Angeles' Fair Chance Initiative for Hiring Ordinance, and Los Angeles County Fair Chance Ordinance.