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Independent Contractor Java Developer C2C Jobs in Hartford, CT

Sonsoft Inc

UI Developer with JavaScript

Hartford, CT

$50.50 - $65.50/hr

AT least 5 years Java, JSF, AngularJS, Java UI frameworks (Struts, SEAM, Spring) or transferrable ... U.S. Citizens and those who are authorized to work independently in the United States are ...

Adept Solutions Inc.

Web Developer

Windsor, CT · On-site

Ability to work independently and to work as part of a multi-disciplinary team * Excellent oral and ... Qualifications 5+ Years overall program experience with Bootstrap, HTML, Java Script and C# with ...

ACI Infotech

.Net Developer ( Azure)

Hartford, CT · On-site

Net Standard and Core and JAVA. * Familiarity with DBMS technology, including SQL Server, MS SQL ... Ability to work independently and without supervision to produce results. * Experience is Azure is ...

STI

Application Developer

Hartford, CT · On-site

NET, Java/J2EE, and API development. * Strong experience with Microsoft Power Platform (Power Apps ... work independently. Additional Qualifications : Experience in operating systems, databases ...

Syntricate Technologies

OpenShift Engineer

Hartford, CT · On-site

$53.25 - $73/hr

... as Python or Java. • Excellent problem-solving abilities. • Attention to detail. • ... • Ability to work independently and as part of a team. Preferred : • Professional ...

Times Microwave Systems

ERP Developer

Wallingford, CT · On-site

... Server setup, Java and Jinitiator. * Experience working with oracle API's and extensions ... Self-motivated, able to work independently and under pressure. * Strong analytical and problem ...

Times Microwave Systems

ERP Developer

Wallingford, CT · On-site

... Server setup, Java and Jinitiator. * Experience working with oracle API's and extensions ... Self-motivated, able to work independently and under pressure. * Strong analytical and problem ...

Sonsoft Inc

IBM API Connect

Hartford, CT · On-site

Extensive coding experience with either Java/Spring or Node.js. Nice to Have Technical Skills ... Exposure to DevOps. * Analytical skills. Qualifications * Bachelor's degree or foreign equivalent ...

Danaher

Software Engineer Internships

Hartford, CT · On-site

Experience with object-oriented programming (e.g., C#, Java, Python, C++) * Strong analytical and debugging skills * Comfortable working independently and in cross-functional teams Bonus

The Hartford

GIS Software Engineer - Esri

Hartford, CT · Hybrid

The role involves working across a modern technology stack including Java, Spring Boot, AWS, Python ... Successful candidates will demonstrate sound technical judgment, the ability to independently ...

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How much do independent contractor java developer c2c jobs pay per hour?

As of Sep 11, 2026, the average hourly pay for independent contractor java developer c2c in Hartford, CT is $57.19, according to ZipRecruiter salary data. Most workers in this role earn between $49.47 and $64.04 per hour, depending on experience, location, and employer.

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Software Engineer - AI Trainer

Hartford, CT • On-site, Remote

DataAnnotation
Computing Infrastructure Providers, Data Processing, Web Hosting • 10K+ employees
Learn more about DataAnnotationexternal

$50 - $100/hr

Contractor

Posted 12 days ago

Job description

About the job:

Contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule.

We are looking for an existing Coder (this is an opportunity to work with us as an independent contractor) to help advance AI development. As a DataAnnotation’s coder, you’ll be part of a growing community of over 100,000 professionals — including front-end, back-end, full-stack, machine learning, and other engineers — who are driving real-world impact in AI development.

Our platform offers an engaging blend of flexibility and challenge: you’ll work closely with state-of-the-art AI models to take on programming tasks that include creating and solving challenging coding problems, building beautiful apps with rich functionality, and synthesizing insights through data analysis and visualization. Your work directly contributes to refining intelligent systems that learn, adapt, and evolve.

To get started, once you sign up for an account, you'll take a short assessment (this serves as our version of an interview). If you pass that assessment, you’ll receive an email confirmation, and paid work will become available to you through our platform.

Advantages of contracting with us:

  • You'll be able to choose which projects you want to work on and when
  • You work on your own schedule, on your own computer, from the comfort of your own home
  • Projects are paid hourly starting at $50-$100+/hr, with bonus rates available on some projects

Responsibilities:

  • Give AI chatbots coding challenges and evaluate their outputs
  • Evaluate the quality produced by AI models for correctness and performance

Qualifications:

  • Fluency in English (native or bilingual level)
  • Detail-oriented
  • Experience with algorithms, data structures, and debugging workflows
  • A current, in progress, or completed Bachelor's is preferred but not required

Note:

Payment is made via PayPal. We will never ask for any money from you. PayPal will handle any currency conversions from USD. This job is only available to those in the US, Canada, UK, Ireland, Australia, and New Zealand. Those located outside of these countries will not see work or assessments available on our site at this time. This is an independent contractor position.

#coder

Working at DataAnnotation

Perks for workers

  • Work From Anywhere

  • Set Your Own Hours

  • Competitive Pay

  • Learn Valuable AI Skills

  • No Meetings. No Commute.

  • Work on Your Schedule

  • Make a Real-World Impact

What to expect from working at DataAnnotation

From DataAnnotation

Apply