Sr Java API Developer - New York

Senior Java Api DeveloperWe are seeking a Senior Java API Developer to design, develop, and maintain secure, scalable, and high-performance RESTful APIs and microservices. The ideal candidate has extensive experience with Java, Spring Boot, API design, cloud-native development, and modern software engineering practices. You will collaborate with cross-functional teams to build enterprise-grade applications that are reliable, scalable, and maintainable.Key ResponsibilitiesDesign, develop, and maintain RESTful APIs and microservices using Java and Spring Boot.Build scalable, secure, and high-performance backend services.Develop reusable and maintainable code following clean architecture and coding best practices.Collaborate with product owners, architects, frontend developers, QA, and DevOps teams throughout the software development lifecycle.Design and optimize database schemas, queries, and data access layers.Implement API security using OAuth2, JWT, OpenID Connect, and other authentication mechanisms.Integrate with third-party services, messaging systems, and enterprise unit, integration, and API tests to ensure code quality and reliability.Participate in code reviews, technical design discussions, and architecture decisions.Troubleshoot production issues, optimize application performance, and support deployments.Contribute to CI/CD pipelines and DevSecOps practices.Required QualificationsBachelor's degree in Computer Science, Engineering, or a related field.5–8+ years of experience in Java backend development.Strong proficiency in Java 11/17 and object-oriented programming principles.Extensive experience with Spring Boot, Spring MVC, Spring Data JPA, and Spring Security.Strong experience designing and developing RESTful APIs and microservices.Experience with Hibernate/JPA and relational databases such as PostgreSQL, MySQL, or Oracle.Knowledge of NoSQL databases such as MongoDB or Cassandra is a plus.Experience with API documentation using Swagger/OpenAPI.Familiarity with messaging platforms such as Kafka or RabbitMQ.Experience using Git and modern CI/CD tools.Strong understanding of Agile/Scrum development methodologies.Preferred QualificationsExperience with cloud platforms such as AWS, Azure, or GCP.Familiarity with Docker, Kubernetes, and containerized deployments.Experience implementing event-driven and distributed architectures.Knowledge of caching technologies such as Redis or Hazelcast.Exposure to GraphQL is a plus.Understanding of observability tools such as Prometheus, Grafana, ELK Stack, or Splunk.Technical SkillsProgramming: Java 11/17, Core JavaFrameworks: Spring Boot, Spring MVC, Spring Security, Spring Data JPAAPI Technologies: REST, OpenAPI/Swagger, JSON, GraphQL (optional)Databases: PostgreSQL, MySQL, Oracle, MongoDBMessaging: Apache Kafka, RabbitMQBuild Tools: Maven, GradleTesting: JUnit, Mockito, REST AssuredCI/CD: Jenkins, GitHub Actions, GitLab CI, Azure DevOpsContainers: Docker, KubernetesVersion Control: GitCompensation, Benefits and DurationMinimum Compensation: USD 40,000 Maximum Compensation: USD 140,000 Compensation is based on actual experience and qualifications of the candidate. The above is a reasonable and a good faith estimate for the role. Medical, vision, and dental benefits, 401k retirement plan, variable pay/incentives, paid time off, and paid holidays are available for full-time employees. This position is not available for independent contractors. No applications will be considered if received more than 120 days after the date of this post.