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Freelance Java Backend Developer Jobs in Hartford, CT

Interon IT Solutions

GCP Data Engineer

Hartford, CT · On-site

$115K - $138K/yr

Exposure to Java / Spring Boot for future integration or backend services. * Knowledge of CI/CD pipelines for data engineering workflows. * Experience working in regulated or large enterprise ...

Labcorp

Senior Software Engineer

Bloomfield, CT

$122K - $161K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... Java and related environments ... Design, implement, and maintain applicationspecific user interfaces, web services, backend database ...

CVS Health

Staff Software Development Engineer

Hartford, CT · On-site

$130K - $260K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Our platform combines sophisticated NLP, backend services, and frontend experiences to deliver ... Strong technical proficiency in Java or Node.js, object-oriented design, API testing (REST ...

Cognizant Technology Solutions

Frontend ( Angular)

Hartford, CT · On-site

$104K - $122K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Partner with reverse engineering teams to ensure legacy screen behavior, business rules ... Collaborate with Java and API architects to establish front-end and back-end integration standards ...

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How much do freelance java backend developer jobs pay per hour?

As of Aug 19, 2026, the average hourly pay for freelance java backend developer in Hartford, CT is $55.11, according to ZipRecruiter salary data. Most workers in this role earn between $48.99 and $63.51 per hour, depending on experience, location, and employer.

What are the most commonly searched types of Java Backend Developer jobs in Hartford, CT?

The most popular types of Java Backend Developer jobs in Hartford, CT are:

Freelance Java Backend Developer jobs near you

Sr. QA Automation Engineer

Mavensoft Technologies

Hartford, CT • On-site

Contractor

Medical

This job post has expired 1 day ago. Applications are no longer accepted.

Job description

Title: Sr. QA Automation Engineer
Location: Hartford,CT - Hybrid - (Onsite 1 day a week)
Duration: 6 Months - Contract
Client is seeking an experienced QA Test Analyst to perform both manual and automation testing for enterprise applications. The ideal candidate will work with business and technical teams to ensure applications meet business requirements and quality standards. Experience in State Government, Healthcare, Human Services, Medicaid, or Eligibility Systems is highly preferred.
This position requires a combination of manual testing, automation testing, API validation, backend data verification, and end-to-end business process testing across multiple enterprise platforms, including Salesforce, Java-based applications, Mobile/PWA applications, and integrated services.
Key Responsibilities
  • Perform manual and automated testing for web, mobile, and enterprise applications.
  • Create and execute test cases, test plans, and automation scripts.
  • Perform functional, regression, integration, API, UAT, and end-to-end testing.
  • Validate APIs using Postman and backend data using SQL.
  • Track and manage defects using Jira.
  • Work closely with developers, business analysts, and project teams in an Agile environment.
  • Support production releases and ensure application quality.
  • Required Skills
  • 5+ years of QA testing experience.
  • Strong experience in Manual and Automation Testing.
  • Selenium, Java, TestNG.
  • REST API Testing, Postman.
  • SQL for data validation.
  • Jira and Agile/Scrum experience.
  • Salesforce testing is a plus.

Required Qualifications
  • Five (5) or more years of Quality Assurance experience testing large enterprise applications
  • Strong experience with both manual and automation testing
  • Experience working throughout the Software Development Life Cycle (SDLC)
  • Strong understanding of Quality Assurance methodologies, testing processes, and best practices
  • Excellent analytical, troubleshooting, and problem-solving skills
  • Strong written and verbal communication skills
  • Experience working directly with business stakeholders and technical teams
  • Ability to interpret business requirements and convert them into detailed test scenarios and test cases
  • Experience working within Agile/Scrum development environments
  • Experience using Jira for defect tracking and Agile project management

Preferred Experience
  • State Government modernization initiatives
  • Integrated Eligibility Systems
  • Healthcare payer systems
  • Salesforce implementations
  • Human Services applications
  • Enterprise Case Management systems
  • Federal compliance initiatives
  • Healthcare eligibility systems
  • Integrated Eligibility Systems (IES), SNAP, TANF, or Benefits Management.

Testing Experience:
  • Manual Testing
  • Automation Testing
  • Functional Testing
  • Regression Testing
  • Smoke Testing
  • Integration Testing
  • System Integration Testing (SIT)
  • End-to-End Testing
  • User Acceptance Testing (UAT)
  • API Testing
  • Backend Data Validation
  • Cross-browser Testing
  • Mobile Testing
  • Salesforce Testing
  • Defect Verification and Retesting
Please send applications to usjobs@mavensoft.com
Mavensoft Technologies logo

About Mavensoft Technologies

Sourced by ZipRecruiter

Mavensoft’s culture embodies a people-first value system. We genuinely care and empower all team members to consistently demonstrate their energy and passion towards helping our customers reach their goals. As a solution-oriented company, we always strive to deliver our very best to both customers and team members. We make it our daily business to arrive ready to execute and resolve all of your tasks and requests. With such an emboldening, team-centric approach, you'll continue to realize increased employee productivity, delightful customer engagement, improved operational efficiency, and rapid business growth. Our senior management team is built around industry enthusiasts, technocrats, and creative problem solvers. Actively involved in the tech community, we help foster creativity and adopt new technologies for changing the business landscape.

Industry

It services

Company size

51 - 200 Employees

Headquarters location

Beaverton, OR, US

Year founded

2004

Social media

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