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Freelance Remote Net Developer Jobs in West Virginia

Harris

Systems & Software is seeking a Senior Sales Executive to drive net-new growth within a defined ... Partner with Technical Sales Engineers to deliver tailored demonstrations and technical validation

S&S's Customer Information Systems

Systems & Software is seeking a Senior Sales Executive to drive net-new growth within a defined ... Partner with Technical Sales Engineers to deliver tailored demonstrations and technical validation

Harris

Systems & Software is seeking a Senior Sales Executive to drive net-new growth within a defined ... Partner with Technical Sales Engineers to deliver tailored demonstrations and technical validation

KMS Technology

$350K/yr

From AI, cloud and data platforms to full-scale engineering and modernization programs, you'll ... Build and execute territory and account strategies to drive $3M-$5M+ in net-new services revenue ...

Baker Hughes

$68K - $147K/yr

Have aBachelor'sdegree from an accredited university or collegein Engineering, applied engineering ... Safety net of life insurance and disability programs * Tailored financial programs * Education ...

Baker Hughes

$68K - $147K/yr

Have aBachelor'sdegree from an accredited university or collegein Engineering, applied engineering ... Safety net of life insurance and disability programs * Tailored financial programs * Education ...

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Freelance Remote Net Developer information

What is the difference between Freelance Remote Net Developer vs Freelance Remote ASP.NET Developer?

AspectFreelance Remote Net DeveloperFreelance Remote ASP.NET Developer
Required CredentialsProficiency in .NET framework, C#, and related technologiesProficiency in ASP.NET, C#, and web development
Work EnvironmentRemote freelance projects, often across various industriesRemote freelance projects focused on web applications using ASP.NET
Employer & Industry UsageUsed by companies needing custom software solutionsUsed by businesses developing web-based applications
Search & Comparison IntentCommonly compared for general .NET development rolesCompared when focusing on web application development

The main difference is that a Freelance Remote Net Developer has broader expertise in the entire .NET framework, while a Freelance Remote ASP.NET Developer specializes specifically in web applications using ASP.NET. Both roles require C# skills and remote work experience, but ASP.NET developers focus more on web-based projects.

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Freelance Remote Net Developer jobs near you

Prompt Engineer: LLM Migration & Optimization

Welo Data

Charleston, WV • Remote

Part-time

Re-posted 7 days ago

Job description

United States • Remote • Part-Time

Are you an expert at navigating the complex logic of Large Language Models? Welo Data is seeking a technical Prompt Engineer to lead the end-to-end migration of template workflows into high-performance LLM autoraters.

This isn't just about writing prompts—it’s about engineering a technical bridge. You will use advanced APG/APO tools and manual refinement to ensure our automated systems meet (and exceed) human accuracy baselines.

The Mission: Architecting the Future of Rating
  • Technical Migration: Take ownership of the workflow for transitioning templates to LLM autoraters.
  • Optimization Leadership: Run and supervise Automated Prompt Optimization (APO) tools, identifying where logic plateaus and providing the manual "spark" to overcome deadlocks.
  • Metrics-Driven Accuracy: Continuously measure quality against gold data, calculating critical performance metrics like precision, recall, and $F_1$ scores.
  • Edge-Case Engineering: Solve complex scenarios by designing manual prompts that handle anti-patterns and broken logic in legacy architectures.
Project Details
  • Schedule: Part-Time (Flexible hours within project milestones)
  • Location: 100% Remote (Must be based in the United States)
  • Employment Type: Freelance / Independent Contractor
 Who We Are Looking For
  • Linguistic & AI Mastery: 2+ years of experience as a Prompt Engineer. You must be comfortable tuning LLMs for structured outputs and complex classification tasks.
  • Academic Background: BS, MS, or PhD in Computer Science, Data Science, Computational Linguistics, or a related analytical field.
  • Technical Agility: Fast learner capable of mastering proprietary internal tools and interfaces (like the Goose API) with minimal supervision.
  • Data Fluency: Strong ability to identify error patterns and use SQL or data analytics tools to analyze model performance.
Preferred Skills
  • Familiarity with shadowbot disagreement tracking between humans and LLMs.
  • Hands-on experience with Chain-of-Thought (CoT) and few-shot learning.
  • Proven ability to draft high-level Launch Certification Documentation.

Working at Welo Data

What to expect from working at Welo Data

From Welo Data

About Welo Data, in their own words

From Welo Data

Welo Data is a global AI data services company powering the next generation of AI. We build, annotate, and validate the training datasets that make AI models accurate, safe, and ready for the real world — across languages, cultures, and domains.

Our team of experts spans the globe, combining deep technical knowledge with a human-centered approach. If you want your work to shape how AI understands the world, you'll find your place here.

Diversity and inclusion statement

From Welo Data

Our Strength is derived from Winning Together. Welo Data is unequivocally committed to developing and fostering a workplace and organizational culture that values the diversity of thought and perspective delivered by a diverse global workforce operating within an inclusive organization.