Backend Engineer / Java Full Stack Developer

Location: Cincinnati, OH
Duration: 6 months
Role: Backend Engineer / Java Full Stack Developer
Experience Required: 8–10 years
Keyword: Core Java

Job Requirements

• Strong experience designing, building, and maintaining enterprise-grade APIs.
• Hands-on experience developing RESTful APIs and middleware services.
• Experience building scalable, reliable, secure, and maintainable backend systems.
• Strong knowledge of API management and API product design.
• Experience with API governance standards and reusable API patterns.
• Hands-on experience with Swagger/OpenAPI documentation.
• Strong understanding of API security controls and modern integration patterns.
• Hands-on experience building and maintaining MCP (Model Context Protocol) servers.
• Experience developing data-driven backend systems.
• Strong experience with Core Java and Java-based backend development.

Key Responsibilities

• Design, develop, test, and maintain RESTful and event-driven APIs.
• Build APIs that meet enterprise standards for:
  • Scalability
  • Reliability
  • Security
  • Maintainability
• Collaborate with cross-functional teams to define:
  • API standards
  • Governance practices
  • Reusable API patterns
• Configure API proxies, policies, routing, authentication, authorization, and traffic management controls.
• Implement modern API authentication and authorization mechanisms, including:
  • OAuth 2.0
  • JWT
  • API Keys
  • Scopes
  • Similar security mechanisms
• Create and manage API products and API gateways.
• Define API product structures and access models.
• Configure rate limits, quotas, and volume plans.
• Configure and maintain API security policies.
• Publish REST methods using Swagger/OpenAPI documentation.
• Support secure API onboarding and API consumption patterns.
• Partner with application, provider, and consumer teams for API onboarding and consumption.
• Monitor API performance, traffic, errors, and consumption trends.
• Troubleshoot API integration issues across development, lower, and production environments.
• Maintain documentation related to API products and onboarding processes.
• Share knowledge and best practices for API consumption and integration.

Essential Technical Skills

• Core Java
• Java Full Stack Development
• REST APIs
• Event-Driven APIs
• API Management
• API Gateway
• API Product Design
• API Governance
• Swagger/OpenAPI
• OAuth 2.0
• JWT
• API Keys
• API Scopes
• API Security
• API Proxies
• API Policies
• Routing
• Rate Limiting
• Quotas
• Traffic Management
• Middleware Services
• MCP Servers
• Enterprise Integration Patterns

Role Description

• Java Full Stack Developer / Backend Engineer
• Design and develop enterprise-grade backend services and APIs.
• Build secure and scalable API products using modern Java and integration technologies.
• Implement API governance, security, documentation, onboarding, and consumption standards.
• Develop and maintain MCP servers as part of modern AI/integration architectures.

Soft Skills

• Excellent communication skills.
• Strong team collaboration.
• Cross-functional coordination.
• Strong documentation and knowledge-sharing abilities.
• Analytical and problem-solving skills.
• Ability to work effectively with application, provider, and consumer teams.

Desirable Skills

• Experience with enterprise API management platforms.
• Experience with API gateway technologies.
• Experience with cloud-based API solutions.
• Knowledge of event-driven architecture and messaging systems.
• Experience with microservices architecture.
• Experience with CI/CD and DevOps practices.
• Experience with monitoring and observability for APIs.
• Familiarity with AI integration patterns and Model Context Protocol (MCP).
• Experience designing reusable enterprise API frameworks.

Keywords

• Core Java
• Java Full Stack Developer
• Backend Engineer
• REST API
• API Management
• API Gateway
• API Product
• API Governance
• Swagger
• OpenAPI
• OAuth 2.0
• JWT
• API Security
• API Proxy
• Rate Limiting
• API Gateway
• Event-Driven Architecture
• MCP Server
• Model Context Protocol
• Middleware
• Microservices
• Enterprise APIs