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Holistic Partners, Inc

Full Stack Java Lead

Remote

United states

Senior

Freelance

20-02-2026

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Skills

Communication Java JavaScript TypeScript HTML Jira SQL NoSQL PostgreSQL GitHub CI/CD DevOps Docker Kubernetes Version Control Jenkins Serverless Computing Test Virtualization Programming Databases git angular AWS Agile Junit Spring HTML5 Spring Boot Kafka Microservices

Job Specifications

Job Opportunity: Full Stack Java Lead

Location: Need to report first 5 days from client office and then 100% Remote

(Alabama, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, Florida, Georgia, Idaho, Illinois, Indiana, Kansas, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Nebraska, New Hampshire, New Jersey, New Mexico, New York, North Carolina, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, Texas, Utah, Virginia, Washington, Wisconsin)

Duration: Contract

Key Responsibility

12+ years of development experience with strong working knowledge of Angular TypeScript, JavaScript, Ionic, Java, HTML5 and CSS3
Strong experience with web services (JSON, XML, REST, SOAP, etc.) • Continuous Integration - Jenkins / Stash / Git • Unit Testing – JUnit / Jasmine
Application Framework – Angular 2+ / Spring
Knowledge of mock frameworks and service virtualization
Perform troubleshooting and triaging in Assist in production and nonproduction environment
Standout colleague, self-starter, collaborative, innovative and eager to learn every day.
Excellent communication and documentation skills.
1-2 years of experience in Agile development
Experience with Jira • Cloud experiences a must

Core Requirements:

Backend – Java & Spring Boot

Strong Core Java skills, including:
Dynamic programming
Java 8 features (Streams, Lambda, Optionals, Functional Interfaces)
Exposure to newer versions like Java 16 and 21
Spring Boot for building microservices-based applications.
Solid understanding of collections, multithreading, and concurrency.

Microservices

Real-world experience building and managing microservices.

Knowledge of:

Transaction management
Design patterns like Singleton, Circuit Breaker
Handling race conditions in distributed environments.

Databases

DynamoDB (NoSQL, AWS)
PostgreSQL (SQL, relational)
Frontend
Web UI Development
Strong hands-on with Angular (likely Angular 8+)
Solid grasp of HTML, JavaScript, and front-end integration with backend APIs.

Cloud & Messaging:

AWS Services

Practical experience with:
Lambda functions (serverless computing)
S3 (object storage)
SQS (messaging queues)
SNS, Glue, DynamoDB
Kafka Streams for real-time data processing

Automation & Testing

Writing test cases using:
JUnit
Mockito for mocking and unit testing.
DevOps & CI/CD
Jenkins Pipelines (build and deployment automation)
Docker & Kubernetes for containerization and orchestration
GitHub for version control

About the Company

The Holistic Partners is the premier technical staffing firm head quartered in the MA. With 10+ years of experience in the technical staffing industry our team exclusively targets Applications, Data Science, Advanced Analytics, Technology Infrastructure, IT Security, and Engineering skillsets to support client needs across their enterprise. We provide technical staffing via Contract, Contract-to-Hire, Direct Placement, and/or Employer of Record Services to companies of all sizes. As a technology agnostic provider we can he... Know more