Hello,

Zenosys is looking Java Full Stack Developer client Trenton NJ If you are available and interested in the below opportunity, please send me updated resume. Thanks

Job Title Sr Java Full Stack Developer

Location- Trenton NJ Hybrid)

Duration 12+ Months Contracts Highly Chance to Extend

If you are interested, please provide the following details along with the updated resume to speed up the interview process.

Full Legal Name as mentioned in Drivers' license:

Full Malling address:

Willing to relocate to the specified work location:

Currently on a project or when was your last project Ended

Availability for interviews:

Availability to join the project:

Date of Birth (Month/Date):

Visa Status:

Since how long the candidate has been in US

Need Education details with University Name, Location & Passing year in resume.:

LinkedIn address

Hello,

Zenosys is looking Java Application Developer client Trenton, NJ If you are available and interested in the below opportunity, please send me updated resume. Thanks

ONSITE INTERVIEW IS REQUIRED - NO EXCEPTIONS

Job Title Java Application Developer

Location- Trenton , NJ( Hybrid) Candidates must work 3 days a week ON-SITE 8-4:30 physically IN-Office in Trenton, NJ. (2 days remote work)

Duration –12+ Months Contracts Highly Chance to Extend

If you are interested, please provide the following details along with the updated resume to speed up the interview process.

Full Legal Name as mentioned in Drivers' license:

Full Malling address:

Willing to relocate to the specified work location:

Currently on a project or when was your last project Ended

Availability for interviews:

Availability to join the project:

Date of Birth (Month/Date):

Visa Status:

Since how long the candidate has been in US

Need Education details with University Name, Location & Passing year in resume.:

LinkedIn address

Interview process: After your candidate has been approved, they will receive an automated screening questionnaire that they must complete. A CAI Recruiter will schedule a phone screen and then present to the Hiring Manager. The client requires an onsite interview.
Strong communication skills are required.

Job Description

We are looking for an Application Developer to design, build, and maintain healthcare data integrations across systems, leveraging Java and Python. This position will be Full-Time and Hybrid (3 days onsite) and is a 1+ year contract engagement.

An onsite interview is required.

What You’ll Do

Analyze, design, code, and perform component and assembly testing of all application code owned by the Application Team
Design and develop key/critical modules within the client's system
Work closely with technical and product teams to ensure seamless data interoperability between internal and third-party health systems
Provide accurate estimates for design and programming efforts for system changes and enhancements
Identify appropriate business examples to illustrate key concepts/features
Ensure that technical documentation and artifacts are accurately prepared, maintained, and cataloged
Collaborate with functional groups both internally (e.g., project management, network operations) and externally to provide tightly integrated solutions for web applications and backend systems
Develop new upgrades and features for the existing application

What You'll Need

Required:

Minimum 6+ years of software web development (full stack) experience and at least 5+ years using Java
Experience with integration of Microservices applications (RESTful APIs)
Proficiency in HTML5, CSS, JavaScript/Typescript, Bootstrap, AJAX, and JSON
End-to-end development experience with Java, Java/Spring Boot RESTful APIs, and NPM
Agile development experience or equivalent in a fast-paced development environment
Experience in developing real-time web applications
Full-time professional work experience in Information Technology

Preferred:

Experience in healthcare systems and data interoperability
Familiarity with technical documentation and maintaining technical artifacts
2+ years of experience with Angular UI development preferred

Physical Demands

Ability to safely and successfully perform the essential job functions consistent with the ADA and other federal, state, and local standards.
Ability to conduct repetitive tasks on a computer, utilizing a mouse, keyboard, and monitor
Must be able to communicate with customers/team members over the phone and in person
Sedentary work that involves sitting or remaining stationary most of the time with occasional need to move around the office to attend meetings, etc.

Primary Technologies used in last 3-5 years

Level of expertise we are looking for

Required Skills

Must Haves

Java SE (17+)

Expert

• Deep expertise in core Java (Collections, Generics, Concurrency)
• Lambdas, Streams, Optional, and functional programming
• Exception handling and best practices
• Profiling
• Design for 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 RestTemplate/WebClient
• Apply AOP for cross-cutting concerns (logging, auditing, transactions)
• 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 (if applicable)
• Security best practices and vulnerability prevention

Nice to Haves

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 DevOps (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 TypeScript knowledge

TypeScript

Basic to Intermediate

• Read and understand TypeScript code
• Debug type-related issues
• Support UI team with API contracts

UI/UX Principles

Basic Awareness

• Understand user-centric design
• Collaborate with UI team on API design
• Consider front-end implications in API design

MSSQL Database

Intermediate (Preferred)

• Write T-SQL queries and stored procedures
• Understand indexing and query optimization
• Work with MSSQL-specific features
• Basic database administration

Powershell

Intermediate

•Various remoting, deployment scripting

If interested Please send me your resume at

Full Stack Developer ( Angular, Java Must Be Local) Onsite Interview Required

Key skills

About this role