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Freelance Full Stack Java Developer Jobs in New York

SVATS

Full Stack Java Developer - W2 Role

Manhattan, NY · On-site

$58 - $74.75/hr

Full Stack Java Developer - W2 Role Location: New York, NY (Onsite) H1B transfers are acceptable Position Summary The Full Stack Engineer will design, build, troubleshoot, and support secure, high ...

3B Staffing LLC

Java Fullstack Developer

Essex Fells, NJ · On-site

$55 - $71/hr

Midlevel Full Stack Java Developer Required skills: * 2-4 years of Java (17), Springboot, Microservices * 2-4 years of Restful Web Services experience * Experience with Oracle/SQL databases as well ...

3B Staffing LLC

Java Fullstack Developer

Essex Fells, NJ · On-site

$55 - $71/hr

Midlevel Full Stack Java Developer Required skills: * 2-4 years of Java (17), Springboot, Microservices * 2-4 years of Restful Web Services experience * Experience with Oracle/SQL databases as well ...

Ask IT consulting

Full Stack Java Developer

Bedminster, NJ · On-site

$53.75 - $69.25/hr

Java Developer Location: Bedminster, NJ Duration: 12 Months Interview: Phone then Skype Required Skills: Java, Spring , Hibernate , NoSql Database , AngularJS . - In-depth design and development ...

Accenture

Full Stack Java Developer

Manhattan, NY · On-site

$44 - $54/hr

As a Custom Software Engineer, you will be responsible for developing custom software solutions to ... Basic Qualifications: * Minimum 5 years of work experience in Java Full Stack Development

StratG Inc

Full Stack Java Lead

Manhattan, NY · On-site

$58 - $74.75/hr

Full Stack Java LeadLocation - NYC - 3 days onsite Introduction: This position is for a Full Stack ... Lead and mentor frontend engineers; drive sprint planning, estimation, risk management, and ...

1 point system

Full-Stack Java Developer

New York, NY · On-site

$57.50 - $74/hr

* SVP level... strong hands-on developer who can help with scalability and latency * Looking to consolidate 5 OMSs into Flextrade * Strong back end development * Java, Spring Boot * Messaging system ...

Apex Systems

Senior Full Stack Java Developer

Jersey City, NJ · On-site

$54.75 - $70.75/hr

Job#: 3041455 Senior Full Stack Java Developer Location: Jersey City, New Jersey (Hybrid) Role Overview This is a hands-on application development role focused on delivering technical solutions ...

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 · 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 ...

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 ...

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 ...

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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 - W2 Role

SVATS

Manhattan, NY • On-site

$58 - $74.75/hr

Other

Re-posted 18 hours ago

Job description

Role: Full Stack Java Developer - W2 Role

Location: New York, NY (Onsite)

H1B transfers are acceptable

Position Summary

 
The Full Stack Engineer will design, build, troubleshoot, and support secure, high-quality production software across backend, frontend, cloud native, and automation domains. The role emphasizes hands-on application development, operational stability, microservices, CI/CD, resiliency, security, responsible AI-assisted engineering practices, and leadership in reusable patterns, technical guidance, and engineering community adoption.
Required Qualifications
  • Formal training or certification in software engineering concepts and 5+ years of applied experience.
  • Hands-on practical experience delivering system design, application development, testing, and operational stability.
  • Proficiency in Java, Spring Boot, Docker, Kubernetes, Cassandra or other NoSQL databases, and at least one frontend technology such as React, ReactJS, Redux, Angular, AngularJS, ExtJS, JQuery, or NodeJS.
  • Hands-on experience with microservices and RESTful microservices development.
  • Experience with messaging and integration frameworks such as Kafka.
  • Experience developing with testing frameworks such as JUnit, Mockito, Karma, Protractor, Jasmine, Mocha, Selenium, and Cucumber.
  • Proficiency in automation and continuous delivery methods.
  • Proficiency across the Software Development Life Cycle.
  • Advanced understanding of agile methodologies, CI/CD, application resiliency, and security.
  • Demonstrated proficiency in software applications and technical processes within a technical discipline such as cloud, artificial intelligence, machine learning, or mobile.
  • In-depth knowledge of financial services industry technology systems.
  • Practical cloud native experience in AWS.
  • Ability to tackle design and functionality problems independently with little to no oversight.
  • Demonstrated experience leading effective use of enterprise-authorized AI-assisted software development tools for coding, code review, test acceleration, troubleshooting, release readiness, or incident/root-cause analysis.
  • Strong understanding of responsible AI use in engineering workflows, including data sensitivity, secure handling of inputs and outputs, resiliency, security expectations, and compliant adoption controls.
Preferred Qualifications
  • Experience working in a financial services environment.
  • Technology coaching and leadership experience helping teams solve complex technology problems.
  • Experience coaching engineers, senior engineers, or technical leads on safe, compliant AI-assisted software development usage patterns.
  • Experience promoting reuse of proven patterns, automation, and engineering practices across teams.

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