Senior Java Developer

*Hybrid Contract Opportunity*

Lighthouse Technology Services is partnering with our client to fill their Senior Java Developer position! This is a 12+ month contract and will be hybrid in Buffalo. This role will be a W2 employee of Lighthouse Technology Services.

Overview

We are seeking a highly skilled and experienced Java Developer to design, build, and maintain a robust and scalable middleware application hosted on Azure. This application will facilitate seamless data flow between our internal systems and a SaaS hosted application, leveraging Azure Functions and other Azure services, with Java as the primary development language.

What You'll Be Doing:

Design, develop, deploy and maintain Java-based Azure Functions for data integration

Implement secure and efficient API interactions with external SaaS applications.

Ensure the scalability, reliability, and performance of the middleware solution.

Collaborate with cross-functional teams to define requirements and deliver high-quality solutions.

Implement effective error handling, logging, and monitoring for distributed systems.

Participate in code reviews, promote best practices, and contribute to architectural discussions.

What You'll Need to Have:

Strong Core Java Development: Solid understanding of OOP, data structures, algorithms, concurrency, and exception handling.

Java Ecosystem:

Spring Boot: Proven experience building RESTful APIs

Maven/Gradle: Proficiency with build automation.

JUnit/Mockito: Experience with Unit Testing

HTTP Client & API Interaction:

Experience with Java HTTP client libraries (e.g., java.net.http, Apache HttpClient, SpringWebClient).

JSON Processing: Experience with JSON serialization/deserialization.

API Authentication: Understanding and implementing API Keys, Basic Auth, and OAUTH 2.0.

API Error Handling: Experience with HTTP status codes, retries, and backoff/circuit breaker strategies.

Azure-Specific Skills:

Azure Functions: Strong understanding of triggers, bindings, and function app structures.

Azure Services Integration: Experience with Azure Storage, Service Bus/Events Hub.

Azure Key Vault: Essential for secure secret management.

Managed Identities: Experience with credential-less access to Azure resources.

Monitoring: Familiarity with Azure Monitor/App Insights for logging and tracing.

Serverless Principles: Understanding event-driven architecture, statelessness, and cold start considerations.

DevOps: Experience with Git for version control and CI/CD pipelines for deployment.

Pay Range: $55-$70/hr +

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