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Freelance Remote Java Engineer Jobs in Missouri (NOW HIRING)

Knack Solutions

Sr Java Developer

Missouri City, MO · Remote

$53.50 - $68.25/hr

All Work Authorizations Location: 100% Remote : * We are looking a Sr Java developer who is willing to move in a Lead role. * We will consider someone who has led or mentored a team unofficially.

Jobgether

$93K - $120K/yr

Working alongside experienced engineers in a collaborative and remote-first culture, you'll have ... This role is ideal for a seasoned Java professional who thrives in modern development environments ...

BC Forward

Java Technical Lead

Louisiana, MO · Remote

$40 - $44/hr

Job Title: Java Technical Lead (Quality Engineering & Automation) Location: Remote Duration: Contract - 12 months Pay Range: $40/hr - $44/hr. (W2) Job ID: 374424 About BCforward BCforward is a ...

Jobgether

$6 - $65/hr

You will work independently in a remote setting, applying strong analytical judgment to evaluate ... Basic understanding of programming concepts such as JSON structures, functions, methods, and ...

Jobgether

Hands-on experience with Java (preferably Java 17) and frameworks such as Spring Boot, Spring Cloud ... Remote-first working model with flexible working hours (core hours 10am-3pm local time) * Top-tier ...

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Infographic showing various Freelance Remote Java Engineer job openings in Missouri as of June 2026, with employment types broken down into 96% Full Time, 1% Part Time, and 3% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution.

Cardiologists (Freelance - Remote) - Kansas City, US

Prolific Academic Ltd

Kansas City, MO • Remote

$200/hr

Full-time

Posted 12 days ago

Job description

Cardiologists (Freelance - Remote)About Prolific

Prolific is not just another player in the AI space – we are building the biggest pool of quality human data in the world.

Over 35,000 AI developers, researchers, and organizations use Prolific to gather data from paid study participants with a wide variety of experiences, knowledge, and skills.

The role

We are seeking qualified Cardiologists to support a high-impact AI development project focused on medical image interpretation and clinical accuracy. As AI models become increasingly capable of analyzing complex medical data, we need experienced specialists to help ensure their outputs meet the highest standards of quality and reliability.

This is a flexible, remote opportunity paying approximately $200 per hour. Your expertise will directly contribute to the development of advanced AI systems used in healthcare and medical research.

To qualify for this project, you will be required to complete a short paid skills assessment as part of the screening process. The assessment is compensated at a rate of $48 per hour and typically takes no more than 5 minutes to complete.

What you'll bring
  • Verified status as a qualified Cardiologists with relevant professional credentials
  • Experience interpreting and analysing medical images and Cardiology-related data
  • Strong attention to detail and the ability to assess complex medical information accurately
  • A reliable, fast internet connection and access to a computer
  • A PayPal account to receive payments from our clients
What you'll be doing in the role
  • Annotating medical images using your professional expertise
  • Reviewing and verifying AI-generated interpretations of medical images
  • Correcting inaccuracies and providing expert feedback on AI-generated responses
  • Evaluating the quality, accuracy, and clinical relevance of model outputs
  • Helping improve the performance of next-generation AI systems used in medical applications
Why Prolific is a great platform to join as a Participant

Joining our platform as a Prolific participant will give you the chance to influence the AI models of the future using professional legal expertise. Once you pass our assessment, you can join Prolific in just 15 minutes, and start enjoying competitive pay rates, flexible hours, and the ability to work from home.

We've built a unique platform that connects researchers and companies with a global pool of participants, enabling the collection of high-quality, ethically sourced human behavioural data and feedback. This data is the cornerstone of developing more accurate, nuanced, and aligned AI systems.

We believe that the next leap in AI capabilities won't come solely from scaling existing models, but from integrating diverse human perspectives and behaviours into AI development. By providing this crucial human data infrastructure, Prolific is positioning itself at the forefront of the next wave of AI innovation – one that reflects the breadth and the best of humanity.

Links to more information on Prolific

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Privacy Statement

By submitting your application, you agree that Prolific may collect your personal data for recruiting and global organisation planning. Prolific's Candidate Privacy Notice explains what personal information Prolific may process, where Prolific may process your personal information, its purposes for processing your personal information, and the rights you can exercise over Prolific use of your personal personal information.