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Freelance Full Stack Java Developer Jobs in New York

Karwell Tech

Full Stack Java Developer

Paramus, NJ

$53.25 - $68.50/hr

Java development experience is a must Working knowledge of relational databases Ability to implement client interfaces following visual, written design reference documents, as well as improve the ...

Karwell Tech

Full Stack Java Developer

Paramus, NJ · On-site

$53.25 - $68.50/hr

... Java APIs - Experience working in an Agile Environment - Experience in Oracle from a Java development standpoint - Ability to write batch or standalone jobs - Experience in Unix scripting - Good ...

Karwell Tech

Full Stack Java Developer

Paramus, NJ

$53.25 - $68.50/hr

... Java APIs - Experience working in an Agile Environment - Experience in Oracle from a Java development standpoint - Ability to write batch or standalone jobs - Experience in Unix scripting - Good ...

Karwell Tech

Full Stack Java Developer

Paramus, NJ · On-site

$53.25 - $68.50/hr

Java development experience is a must Working knowledge of relational databases Ability to implement client interfaces following visual, written design reference documents, as well as improve the ...

MM International

Sr Java Fullstack Developer

Woodbridge, NJ · On-site

$57.75 - $73.75/hr

Open Shift infrastructure oriented, energetic people Java Full Stack ETL, DevOps, Database Standard & Standard SQL, Kubernetes Spring Boot Java / Java 17 Infrastructure focused .. (No Big Data ...

Jobsbridge

Full Stack Java/J2EE Devloper

Jersey City, NJ · On-site

$54.75 - $70.75/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. Bachelor degree in Computer Science, Information Technology, or equivalent ...

UniQtal Solutions LLC

Java Developer

New York, NY · On-site

$55.75 - $72.25/hr

Full-stack Java Spring Boot Micro services developer with Containerization and Cloud experience Experience in migrating from Monolithic to Micro services containerized using AWS EKS with Cloud Native ...

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Freelance Full Stack Java Developer information

What is a freelance full stack Java developer?

A Freelance Full Stack Java Developer is an independent professional who specializes in both front-end and back-end development using Java technologies. They handle the complete software development process, including designing user interfaces, building server-side logic, and managing databases. Freelancers in this role often work on a contract basis for multiple clients, providing flexibility and a variety of projects. Their expertise typically includes frameworks like Spring Boot, JavaScript libraries, RESTful APIs, and cloud services.

What are the key skills and qualifications needed to thrive as a freelance full stack Java developer?

To thrive as a Freelance Full Stack Java Developer, you need expertise in Java programming, front-end technologies (such as HTML, CSS, JavaScript), and back-end frameworks, often supported by a relevant degree or proven experience. Familiarity with tools like Spring Boot, REST APIs, databases (SQL/NoSQL), version control systems (e.g., Git), and cloud platforms is typically required. Strong problem-solving skills, effective communication, and self-motivation set top freelancers apart by enabling them to manage projects independently and collaborate with clients. These skills ensure the delivery of robust, scalable applications and client satisfaction in a competitive freelance market.

What are the most common challenges faced by freelance full stack Java developers when managing multiple client projects simultaneously?

Freelance full stack Java developers often juggle several client projects at once, which can pose challenges in terms of time management, communication, and prioritization. Balancing diverse client expectations, aligning project timelines, and handling unexpected technical issues require strong organizational skills and proactive communication. Many freelancers use project management tools and set clear milestones with clients to stay on track. Additionally, it's important to regularly update clients on progress and clarify requirements early to prevent scope creep and last-minute changes.

What is the difference between Freelance Full Stack Java Developer vs Freelance Front End Developer?

AspectFreelance Full Stack Java DeveloperFreelance Front End Developer
Skills & CertificationsJava, Spring, REST APIs, JavaScript, HTML, CSSHTML, CSS, JavaScript, frameworks like React or Angular
Work EnvironmentBackend and frontend development, full project lifecyclePrimarily UI/UX design, client-side coding
Industry UsageEnterprise applications, web services, backend systemsWebsite interfaces, mobile app frontends

Freelance Full Stack Java Developers handle both backend and frontend tasks using Java and related technologies, while Freelance Front End Developers focus mainly on user interface design and client-side coding. Both roles are in demand, but the full stack developer offers a broader skill set suitable for end-to-end project delivery.

What are the most commonly searched types of Full Stack Java Developer jobs in New York?

The most popular types of Full Stack Java Developer jobs in New York are:

What are popular job titles related to Freelance Full Stack Java Developer jobs in New York?

For Freelance Full Stack Java Developer jobs in New York, the most frequently searched job titles are:

What job categories do people searching Freelance Full Stack Java Developer jobs in New York look for?

The top searched job categories for Freelance Full Stack Java Developer jobs in New York are:

What cities in New York are hiring for Freelance Full Stack Java Developer jobs?

Cities in New York with the most Freelance Full Stack Java Developer job openings:

Freelance Full Stack Java Developer jobs near you
Infographic showing various Freelance Full Stack Java Developer job openings in New York as of August 2026, with employment types broken down into 89% Full Time, 4% Part Time, 6% Contract, and 1% Nights. Highlights an 87% Physical, 2% Hybrid, and 11% Remote job distribution.

Full Stack Java Developer

Paramus, NJ

Karwell Tech
See more jobs at Karwell Techexternal

$53.25 - $68.50/hr

Full-time

Re-posted 26 days ago

Job description

Company Description

Karwell is based in New Jersey and is home to a talented group of IT professionals and consultants. We have worked and aided a number of Fortune 500 companies over the years we have been in service and our consistent drive to ensure our clients remain satisfied have resulted in strong bonds and a robust status in the industry. 

Job Description

7 years of experience in software design and development 
Java and Angular a must 
Database experience 
Start up mentality 
Jack of all trades. A willingness to learn and expand their positions. 
Experience in design and development using object oriented techniques. 
Java development experience is a must 
Working knowledge of relational databases 
Ability to implement client interfaces following visual, written design reference documents, as well as improve the design where needed 
Understanding of AngularJS, Backbone.js or some other modern client-side application framework based systems 
Development experience with highly visited websites, including optimal use of caching 
Experience building AJAX enabled dynamic web sites 
Experience using RESTful resource-oriented web services 
Ability to communicate with both technical and non-technical audiences 
Ability to work both individually and in a team environment 
Experience working in agile teams (e.g., Scrum, XP) 
Expert in cross group communication, able to get buyoff from business, operations and peers. 
Experience working with SQL databases and others such as such as Cassandra and Mongo and with Maven 
Able to manage fast-paced projects, with strong ability to prioritize multiple tasks and respond to emergencies. 
Strong attention to detail and excellent written and verbal communication skills 
Passion for collaborating with high energy and focus, driving results across multiple projects 
Superior communication skills to maintain effective relationships with all levels of personnel 
Ability to thrive in a fast paced, changing environment; relentless innovator. Challenges status quo and champions best-in-class technical solutions and problem-solving 

Qualifications

Bachelors Degree or higher in Computer Science or equivalent experience in field 

Additional Information

All your information will be kept confidential according to EEO guidelines.

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