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Temporary Freelance Backend Developer Jobs (NOW HIRING)

Jobgether

$6 - $65/hr

... backend development, cloud infrastructure, and systems programming. You'll challenge models with ... This is a flexible freelance opportunity suited to experienced developers, technical writers, and ...

Heady

Freelance/Contract - Technical Lead

New York, NY · On-site +1

As a Lead Engineer, you will provide end-to-end technical direction for backend services powering a multi-app mobile ecosystem. You'll collaborate with both engineers, Product Managers, clients, and ...

nextSource

Lead Backend Engineer

Temp to Hire Location: Remote Tech Stack Grid: (0) NO Awareness of technology (1) LITTLE Awareness - read/heard of technology (2) EXPOSURE to technology in environment (3) SOME development in ...

Jobgether

$70 - $100/hr

Our partner is looking for a AI-Assisted Developer Workflows (Trace) AI Task Auditor - Freelance AI Trainer Project based in Netherlands. This freelance opportunity is designed for experienced ...

Aquent

Designer/ Developer

Carmel, IN · On-site +1

$55 - $65/hr

Temporary Salary: $55-65 Hourly Start Date: Oct 5, 2026 Aquent is partnering with a prestigious ... Collaborate closely with the Web Manager and back-end development team, fostering a cohesive and ...

BotDigit

We are building out features for our NovaNet Solutions business and need a skilled gRPC freelancer ... Connect with backend endpoints and verify data handling. * Maintain clean git commits and basic ...

VDA, Inc.

Freelance CNC Operator

Somerville, MA · On-site

$22.25 - $30.50/hr

We are currently hiring for multiple temporary, part-time, and freelance positions, including ... Collaborate with production managers, engineers, and shop leads to optimize workflows and output.

USM

Java Developer -----Need GC and USC

Alpharetta, GA

$49.75 - $64.50/hr

USM is recognized as one of the fastest growing IT Temporary Staffing firms in the US and most ... This person needs to have the ability to code the UI and then tie the UI to enterprise backend ...

BotDigit

$37.75 - $48.75/hr

... skilled Node.js freelancer to join us. Scope & Requirements: * Build and integrate clean ... Connect with backend endpoints and verify data handling. * Maintain clean git commits and basic ...

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

As of Sep 12, 2026, the average hourly pay for temporary freelance backend developer in the United States is $57.73, according to ZipRecruiter salary data. Most workers in this role earn between $47.36 and $68.27 per hour, depending on experience, location, and employer.

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Temporary Freelance Backend Developer jobs near you
Infographic showing various Temporary Freelance Backend Developer job openings in the United States as of August 2026, with employment types broken down into 84% Full Time, 2% Part Time, and 14% Contract. Highlights an 81% Physical, 5% Hybrid, and 14% Remote job distribution, with an average salary of $120,086 per year, or $57.7 per hour.

TypeScript Coding Specialist - Freelance AI Trainer Project

On-site, Remote

Jobgether
See more jobs at Jobgetherexternal

$6 - $65/hr

Contractor

Medical, PTO

Posted 9 days ago

Job description

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a TypeScript Coding Specialist - Freelance AI Trainer Project based in Netherlands.

Join a cutting-edge AI training project where your TypeScript expertise will directly contribute to improving the capabilities of advanced language models.
You'll help evaluate and strengthen AI performance across software engineering, coding, and complex technical problem-solving scenarios.
The role covers algorithms, data structures, software architecture, frontend and backend development, cloud infrastructure, and systems programming.
You'll challenge models with realistic TypeScript tasks and assess their reasoning, coding accuracy, quality, and security.
Your insights will help identify failure modes, improve evaluation methods, and make AI-generated technical outputs more reliable.
This is a flexible freelance opportunity suited to experienced developers, technical writers, and open-source contributors who enjoy analyzing and explaining complex concepts.
By contributing your expertise, you'll help shape AI systems designed to support engineers, developers, and learners worldwide.

Accountabilities:
  • Engage with advanced AI models on software engineering tasks and technical scenarios using TypeScript.
  • Evaluate model responses for logical accuracy, coding fluency, correctness, clarity, and overall software quality.
  • Challenge AI systems across algorithms, data structures, software architecture, frontend and backend development, cloud infrastructure, and systems programming.
  • Test areas such as asynchronous programming, RESTful API integration, memory management, object-oriented design, secure coding practices, and distributed systems debugging.
  • Identify and document reproducible failure modes, logical inconsistencies, coding errors, and areas where model reasoning can be improved.
  • Provide structured feedback and recommendations to strengthen prompt engineering approaches and evaluation metrics.
  • Clearly explain technical reasoning and demonstrate how conclusions are reached when assessing AI-generated solutions.

Requirements:

  • Strong practical expertise in TypeScript and software engineering.
  • Solid knowledge of algorithms, data structures, software architecture, and modern development practices.
  • Experience with frontend and/or backend development, APIs, cloud infrastructure, or systems programming is highly relevant.
  • Familiarity with asynchronous programming, RESTful APIs, object-oriented design, memory management, secure coding, debugging, and distributed systems.
  • A bachelor's, master's, or PhD in computer science, software engineering, or a closely related technical discipline is preferred but not mandatory.
  • Real-world TypeScript development experience, technical writing, or open-source contributions is advantageous.
  • Strong analytical and critical-thinking skills, with the ability to identify subtle technical inaccuracies and evaluate AI-generated code objectively.
  • Excellent metacognitive communication skills, including the ability to clearly explain your reasoning and "show your work."

Benefits:

  • Freelance contract opportunity with flexible remote work.
  • Pay ranging from $6 to $65 per hour, with the exact rate determined by experience, expertise, and geographic location.
  • Opportunity to contribute directly to the development and evaluation of advanced AI systems.
  • Exposure to challenging software engineering problems across a broad range of technical domains.
  • Flexible work suited to experienced developers and technical specialists.
  • Contractors provide their own secure computer and high-speed internet connection.
  • Company-sponsored benefits such as health insurance and paid time off are not included.
How Jobgether works:
We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team.
We appreciate your interest and wish you the best!
 Why Apply Through Jobgether? 
 
Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time.
 
 
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We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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