Java API Developer

Location: Plano, TX

Client: Daten technology

Pay rate - $50-55/hr on C2C

About the Role:

We are looking for a skilled Java API Developer to join our development team and contribute to the design and implementation of scalable, high-performance APIs. The ideal candidate will have strong expertise in Java, Spring Boot, and experience building event-driven architectures with Apache Kafka. You will also work extensively with AWS services, including Lambda, to deploy and manage serverless applications.

Key Responsibilities:

• Design, develop, and deploy robust RESTful APIs and microservices using Java and Spring Boot.
• Implement event-driven messaging solutions using Apache Kafka (Confluent Kafka preferred).
• Develop and manage serverless functions using AWS Lambda and integrate them with other AWS services (API Gateway, S3, DynamoDB, etc.).
• Ensure APIs are scalable, secure, and optimized for performance in a cloud environment.
• Collaborate with front-end developers, product managers, and QA teams to define API specifications and deliver end-to-end solutions.
• Write clean, maintainable, and testable code following industry best practices.
• Participate in code reviews, troubleshoot production issues, and provide technical guidance to junior developers.
• Work in an Agile/Scrum environment to deliver features iteratively.

Required Skills & Qualifications:

• 5+ years of professional software development experience.
• Strong proficiency in Core Java (Java 8/11/17) and Spring Framework (Spring Boot, Spring Cloud, Spring Data).
• Hands-on experience with Apache Kafka (producers, consumers, streams, and Kafka Connect); Confluent Kafka is a strong plus.
• Solid experience with AWS cloud services, particularly AWS Lambda, API Gateway, S3, EC2, and CloudWatch.
• Experience designing and documenting RESTful APIs (OpenAPI/Swagger).
• Familiarity with database technologies (SQL, NoSQL) and ORM frameworks like Hibernate.
• Knowledge of CI/CD pipelines, version control (Git), and build tools (Maven/Gradle).
• Strong understanding of microservices architecture, distributed systems, and design patterns.
• Excellent problem-solving skills and ability to work independently or in a team.

Preferred Qualifications:

• Experience with Confluent Kafka ecosystem (Schema Registry, KSQL, Kafka Streams).
• Exposure to containerization and orchestration tools (Docker, Kubernetes, EKS).
• Familiarity with infrastructure as code (Terraform, CloudFormation).
• Knowledge of security best practices for API development (OAuth2, JWT, API Keys).