Full Stack Java Developer

Job Title: Full Stack Java Developer

Location: 3 days/week onsite in Trenton, NJ

Duration: 12+ Months

Rate: $/hr on W2 or $50-60-63/hr on C2C or 1099- MAX

We are looking for a Software Engineer – Health Enterprise Web Applications. As the Software Engineer, you will play a critical role in designing, developing, and maintaining our health-focused enterprise web applications. You will work closely with cross-functional teams to deliver high-quality, scalable, and secure solutions using Spring Boot, Java, and Python.

• Design, develop, and maintain robust enterprise web applications using Spring Boot and Java.
• Integrate Python scripts and services to enhance application functionality and performance.
• Collaborate with product managers, designers, and other engineers to define and implement application features.
• Ensure the applications meet performance, quality, and deadlines by writing clean, scalable code and performing thorough testing.
• Participate in code reviews and contribute to the continuous improvement of development practices.
• Troubleshoot, debug, and upgrade existing software.
• Stay up-to-date with emerging technologies and industry best practices to drive innovation within the team.

Required:

• Proven experience as a Software Engineer with a strong background in Spring Boot and Java.
• Experience with relational databases (e.g., MS SQL Server).
• Familiarity with front-end technologies (e.g., Angular, HTML, CSS, JavaScript).
• Strong problem-solving skills and attention to detail.
• Excellent communication skills and ability to work effectively in a team environment.

Preferred:

• Understanding of Python for transformation routines.

• Java SE (17+):
  Expert – Deep expertise in core Java (Collections, Generics, Concurrency), Lambdas, Streams, Optional, functional programming, Exception handling, profiling, maintainability; minimum 8+ years hands‑on Java development.
• Spring Framework & Spring Boot:
  Expert – Build and architect REST APIs using Spring MVC Controllers; extend/maintain Service layer with complex business logic; implement Repository patterns (JPA/CRUD); create and manage Entities with JPA annotations; develop custom Validators and validation strategies; configure and use Rest Template/Web Client; apply AOP for cross-cutting concerns; advanced Spring configuration (profiles, properties, externalized config); strong understanding of Spring ecosystem and best practices.
• Spring Security & JWT:
  Expert – Design and implement comprehensive authentication/authorization; configure JWT token generation, validation, and refresh strategies; implement role-based and permission-based access control; secure REST endpoints and handle security contexts; integrate with OAuth2, LDAP, or SSO; security best practices and vulnerability prevention.

• Hibernate:
  Intermediate – Write and optimize HQL/JPQL queries; configure entity relationships and mappings; handle transactions and lazy loading; performance tuning.
• Spring Batch:
  Intermediate – Maintain batch job workflows; configure readers, processors, and writers; job scheduling and monitoring.
• Jenkins:
  Intermediate – Create and maintain Jenkins pipelines; configure build jobs, triggers, and webhooks;
  Jenkins administration basics; troubleshoot build failures.
• Azure Dev Ops (ADO):
  Intermediate – Work with Azure Pipelines (YAML/Classic); manage Azure Repos, Boards, and Artifacts; configure build and release pipelines; migrate Jenkins Freestyle jobs to ADO.
• Angular:
  Basic to Intermediate – Understand Angular component architecture; collaborate effectively with UI team; debug UI/API integration issues; basic Type Script knowledge.
• Type Script:
  Basic to Intermediate – Read and understand Type Script code; debug type-related issues; support UI team with API contracts.
• UI/UX Principles:
  Basic Awareness – Understand user-centered design; collaborate with UI team on API design; consider front-end implications in API design.
• MSSQL Database:
  Intermediate – Write T-SQL queries and stored procedures; understand indexing and query optimization; work with MSSQL-specific features; basic database administration.
• Powershell:
  Intermediate – Deployment scripting and remote system management.

Interested candidates, please send your resume to