Senior Java Developer

Positions Summary: Title: Developer-Java/J2EE SpecialistLocation: McLean VA 22102Duration: 7 Months100% Onsite (Only local preferred)Must Have Qualifications: 7+ years of hands-on Java development with preference of Java 21 with experience transition to other versions of Java. Hands-on experience with relational databases required. Preferred: Snowflake, Python, AI research, and financial background.Senior Java DeveloperRequired Experience & Education:7 –10 years of professional software development experience.Bachelor’s degree in Computer Science or a related field (or equivalent experience).Core Technical Skills (Java & Backend)Strong professional experience with Java (backend development).Experience building RESTful APIs and working with common Java frameworks (e.g., Spring / Spring Boot or similar).Outstanding Java expertise (Java 8+) including I/O, multithreading/concurrency, collections, generics, and lambda expressions.Strong experience building and consuming RESTful API web services.Strong knowledge of Spring Framework and Dependency InjectionProficiency with build/test tools: Maven/Gradle, JUnit/Mockito, FitNesse.Proven ability to perform R&D using AI, including evaluating AI-assisted approaches, rapidly prototyping solutions, and validating outcomes (e.g., prompt engineering, model/tool evaluation, and integrating AI capabilities into workflows or applications).Excellent problem-solving, analytical, and technical skills.Strong oral and written communication skills, with the ability to clearly explain technical concepts to both technical and non-technical stakeholders.Database & Data Skills:Outstanding database skills with strong understanding of RDBMS (e.g., MS SQL) and data modeling.Ability to write advanced SQL queries for reporting, troubleshooting, and data analysis.Experience working with structured and semi-structured data formats: XML and JSON. DevOps / SDLC / ToolingUnderstanding of Docker containers in the development process.Understanding of application lifecycle management.Ability to use CI/CD pipelines and related tools (e.g., JIRA, Jenkins) to build and deploy applications.Experience with Git and collaborative development workflows.Preferred / Nice-to-Have (Java Upgrade, Python & AI)Direct experience upgrading or migrating applications to Java 21 (or recent LTS versions), including:Dependency and build updates (e.g., Maven/Gradle)Compatibility testing and resolving breaking changes.Performance and runtime improvements where applicablePython proficiency (preferred), particularly for AI/ML development and automation.Soft Skills:Flexible and versatile; able to adapt quickly to new environments and work across projects.“Mindlance is an Equal Opportunity Employer and does not discriminate in employment on the basis of – Minority/Gender/Disability/Religion/LGBTQI/Age/Veterans.”