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# API Developer

- **Company:** Dexian DISYS
- **Location:** Denver, CO, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Amazon Web Services, Application Performance Management, Cloud Computing, Continuous Integration, Database Queries, Amazon DynamoDB, Python (Programming Language), PostgreSQL, Microsoft SQL Server, MongoDB, MySQL, Network Service, NoSQL, Oracle (Applications), SQL Databases, Authentication Authorization Accounting (Server Program), Postman, Flask (Web Framework), Backend, Deployment Automation, Cassandra, Api Design, Restful APIs, Api Management, Docker, Microservices
- **Published:** September 18, 2026
- **Apply:** https://www.dice.com/job-detail/229c29f1-26b3-40d4-b191-1a4283f3a97e

## About the Role

* 5+ years API development experience
 * Strong Python development experience with Flask and Gunicorn
 * Strong Java development experience
 * Experience building and consuming REST APIs
 * Strong SQL skills (PostgreSQL, MySQL, Oracle, SQL Server, etc.)
 * Experience with NoSQL databases such as MongoDB, Cassandra, DynamoDB, or similar
 * API testing using Postman or similar tools

Preferred Skills

 * Docker and Kubernetes
 * Cloud platforms (AWS preferred)
 * Microservices architecture
 * Telecommunications, Wireless, AAA/RADIUS, or network services experience
 * Experience supporting customer-facing, high-availability systems

## Description

* Design, develop, and support scalable REST APIs and microservices
 * Build backend services using Python (Flask/Gunicorn) and Java
 * Develop and maintain API integrations with internal and external systems
 * Design and optimize data models across SQL and NoSQL databases
 * Troubleshoot production issues and improve API performance, scalability, and reliability
 * Participate in CI/CD, testing, and deployment automation
 * Collaborate with product, architecture, and network engineering teams


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