Senior Java Developer
Location : Irvine, CA ( Remote)
Duration: 6+ months
and
Client : U.S. Financial Technology
Senior Java Developer
Department List
SF MBS Development
Description
We are seeking a seasoned Senior Java Developer with deep expertise in Spring, SQL, and AWS. The ideal candidate is a self-starter who can take ownership of complex initiatives, work independently with minimal oversight, and consistently deliver high-quality, scalable solutions.
This role requires not only strong technical skills but also the ability to analyze problems, make sound architectural decisions, and drive solutions from design through deployment. You will be expected to bring maturity, leadership, and a results-oriented mindset to every project.
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Job Responsibilities
Independently design and develop new components and enhance existing applications using Spring Core and Spring Boot.
Architect and build robust REST APIs and integrations to support business-critical systems.
Apply industry best practices to design, test, implement, and support solutions with minimal direction.
Leverage AWS services (S3, ECS, Lambda, Step Functions, SSM, SNS/SQS, etc.) to deliver secure, cloud-native applications.
Write, tune, and maintain complex SQL queries (primarily for Oracle).
Develop containerized solutions using Docker for scalability and deployment efficiency.
Ensure that all deliverables meet quality, security, and compliance requirements.
Write extensible and reusable library code for long-term maintainability.
Create and maintain thorough technical documentation.
Collaborate with remote team members while working independently to deliver end-to-end solutions.
Contribute across the full lifecycle of Agile projects, from planning through delivery.
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Required Qualifications
Bachelor s degree in Computer Science, Computer Engineering, or a related field.
9+ years of experience building enterprise applications in Spring Core and Spring Boot.
9+ years of writing unit tests with JUnit and Mockito.
7+ years of hands-on experience with AWS services (S3, ECS, Lambda, Step Functions, SSM, SNS/SQS, etc.).
Advanced SQL skills with proven experience in complex query design and optimization (Oracle preferred).
Proficiency in containerization with Docker.
Experience with IntelliJ, Bitbucket, Jira, and Confluence.
Knowledge of Cucumber and Maven for testing and building automation.
Excellent problem-solving, analytical, and communication skills.
Demonstrated ability to work independently, make architectural decisions, and deliver high-quality outcomes without close supervision.
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