Fullstack Java Develope
Technology
Blockchain Technologies. LLC
McLean, United States3 weeks agoUntil 5/3/2026
Job description
Responsibilities
- Design, develop, and maintain high-performance, scalable backend services using Java and related technologies.
- Work with NoSQL (MongoDB) and SQL databases (DB2, Postgres) to manage and query large datasets efficiently.
- Develop, test, and deploy Spring Boot-based applications with a focus on microservices architecture.
- Implement GraphQL endpoints to allow efficient data querying and integration with front-end teams.
- Collaborate with front-end developers, product managers, and other stakeholders to deliver robust backend solutions.
- Ensure the application architecture adheres to industry best practices for scalability, security, and maintainability.
- Implement cloud-based solutions using AWS, including deployment, monitoring, and scaling of backend services.
- Troubleshoot and resolve backend performance issues, bugs, and other technical challenges.
- Write unit tests, perform code reviews, and ensure the quality of the codebase.
- Continuously improve the backend system with a focus on performance, scalability, and security.
Qualifications
- Strong experience with Java development, with a deep understanding of Java principles and best practices.
- Proficiency in NoSQL databases like MongoDB and SQL databases like DB2 and Postgres.
- Hands-on experience with Spring Boot and building microservices architectures.
- Experience in developing and integrating GraphQL APIs.
- In-depth knowledge of AWS services (EC2, S3, RDS, Lambda, etc.) for cloud-based solutions.
- Solid understanding of RESTful API principles and experience in developing and consuming APIs.
- Strong problem-solving skills with the ability to quickly learn and adapt to new technologies.
- Ability to work in an Agile development e
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