C# Remote (US)

Remote C# Developer Jobs (US)

5 jobs found

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5mo ago

Sr Software Developer, Full Stack

Antech Systems, Inc. Remote 🇺🇸 Remote

Remote

5mo ago Closed

$115k - $145k/yr Full time Senior .NET .net Maui

This position is no longer accepting applications (closed Jun 6, 2026).

Job Description

Senior full-stack software developer role supporting Antech Systems' performance solutions team on a Fleet-focused web application under NAWCAD WOLF ASI, with remote work available.

Responsibilities

Build and refine dynamic user interfaces
Design and adjust integrated business logic workflows
Support a Fleet-focused website/application under NAWCAD WOLF ASI
Focus on a Joint program user collaboration portal and software toolkit
Collaborate on projects and cross-discipline teams delivering mission information systems via containerized, web-deployed solutions across sustainment, safety, and analytic components of Fleet and Systems Sustainment workflows
Create reusable, scalable components, modules, libraries, or microservices
Automate workflows and business processes
Perform data transformations
Convert XML into HTML5 dynamic content
Demonstrate experience across multiple layers of the traditional Cloud/Web stack

Requirements

Bachelor’s degree in computer science, mathematics, engineering, science, media development, or information/data disciplines with at least 8 years of experience
Associate degree in a relevant field with at least 10 years of experience
High school diploma or GED with at least 14 years of experience
A relevant professional certification (Security+, SAFe Agile Software Engineer/SAFe for Architects, MCSD, JavaScript Developer Certification, Container technologies/development, etc.) may substitute for 1 year of experience
Certifications in HTML5, XML, CSS3, JavaScript, mobile application development, or MCSA are beneficial but do not substitute for required education/experience
U.S. citizenship required and ability to qualify for a Security Clearance; active Security Clearance is a plus
Position may require travel up to 10 percent of the time, mostly within 300 miles of NAS Pax River
Selected candidate must obtain Security+ or a higher level cybersecurity certification within 4 months of start

Technologies

JavaScript
HTML5
XML
CSS3
MAUI
jQuery
AJAX
YAML
JSON
JSON-P
Container technologies/development

Benefits

Health, dental, and vision insurance
401(k) retirement plan with company match
Life insurance
Long-term and short-term disability insurance (LTD/STD)
Employee Stock Ownership Plan (ESOP)
Vacation, sick and holiday leave
Parental leave

Salary

USD 115,000 - 145,000 per year

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6mo ago

Application Developer - AI Trainer

DataAnnotation Bensalem, PA 🇺🇸 Remote

Bensalem, PA

6mo ago Closed

$40 - $60/hr Full time Python Artificial Intelligence C#

This position is no longer accepting applications (closed May 23, 2026).

Job Description

DataAnnotation is seeking a remote Application Developer - AI Trainer to join our team. This role blends hands-on software development with AI model training, offering the flexibility of remote work and a schedule you can tailor. You will design and solve coding problems that help train AI systems, build practical applications, and help shape how AI models learn. The position supports remote work in the Bensalem, PA area, with an hourly rate of USD 40 to 60. A Bachelor’s degree, completed or in progress, is required.

Responsibilities

Design and solve coding challenges used to train AI systems.
Produce clear, high quality code snippets and detailed explanations.
Evaluate AI generated code for accuracy, performance, and clarity.
Provide feedback that informs the next generation of AI models.

Requirements

Fluency in English at native or bilingual level.
Proficiency in at least one of the following languages or frameworks: JavaScript, TypeScript, Python, C, C#, C++, React, Go, Java, Kotlin, or Swift.
Excellent writing and grammar skills.
Bachelor’s degree (completed or in progress).
Previous experience as a Software Developer, Coder, Software Engineer, or Programmer is preferred.

Technologies

JavaScript
TypeScript
Python
C
C#
C++
React
Go
Java
Kotlin
Swift

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6mo ago

Android Developer - AI Trainer

DataAnnotation Cupertino, CA 🇺🇸 Remote

Cupertino, CA

6mo ago Closed

$40 - $60/hr Full time Android Artificial Intelligence C#

This position is no longer accepting applications (closed May 22, 2026).

Job Description

Benefits

Remote work with a flexible schedule
Payment via PayPal

Responsibilities

Design and solve a diverse set of coding problems used to train AI systems.
Write clear, high quality code snippets accompanied by detailed explanations.
Evaluate AI generated code for accuracy, performance, and clarity.
Provide feedback that directly shapes the next generation of AI models.

Requirements

English fluency at native or bilingual level.
Expertise in at least one of the following languages or frameworks: JavaScript, TypeScript, Python, C, C#, C++, React, Go, Java, Kotlin, or Swift.
Strong writing and grammar skills.
Bachelor's degree, either completed or in progress.
Prior experience as a Software Developer, Coder, Software Engineer, or Programmer is preferred.

Technologies

Android
JavaScript
TypeScript
Python
C
C#
C++
React
Go
Java
Kotlin
Swift

Details

Location: Remote in Cupertino, CA (remote)
Salary: USD 40 - 60 per hourly
Education: Bachelor's degree (completed or in progress)

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6mo ago

Android Developer - AI Trainer

DataAnnotation Lyndhurst, NJ 🇺🇸 Remote

Lyndhurst, NJ

6mo ago Closed

$40 - $60/hr Full time Python AI Android

This position is no longer accepting applications (closed May 18, 2026).

Job Description

DataAnnotation is seeking an Android Developer - AI Trainer to work remotely from Lyndhurst, New Jersey, with a flexible schedule and an hourly rate of USD 40-60. In this role, you design and solve coding problems used to train AI systems, write clear code with explanations, evaluate AI-generated code for accuracy and clarity, and provide feedback that helps shape future AI models.

Responsibilities

Design and solve diverse coding problems used to train AI systems.
Write clear, high-quality code snippets and detailed explanations.
Evaluate AI-generated code for accuracy, performance, and clarity.
Provide feedback that directly shapes the next generation of AI models.

Requirements

Fluency in English (native or bilingual level).
Proficiency in at least one of the following programming languages or frameworks: JavaScript, TypeScript, Python, C, C#, C++, React, Go, Java, Kotlin, or Swift.
Excellent writing and grammar skills.
A bachelor’s degree (completed or in progress).
Previous experience as a Software Developer, Coder, Software Engineer, or Programmer is preferred.

Technologies

JavaScript
TypeScript
Python
C
C#
C++
React
Go
Java
Kotlin
Swift

Benefits

Remote work
Flexible schedule

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6mo ago

Android Developer - AI Trainer

DataAnnotation Tampa, FL 🇺🇸 Remote

Tampa, FL

6mo ago Closed

$40 - $60/hr Full time Python AI Android

This position is no longer accepting applications (closed May 17, 2026).

Job Description

DataAnnotation seeks a Remote Android Developer - AI Trainer to contribute to AI development by designing and solving coding problems, writing clean code, and delivering feedback that helps refine AI models.

Location

Remote in Tampa, FL (remote).

Salary

USD 40 - 60 per hour.

Responsibilities

Design and solve a variety of coding problems used to train AI systems.
Write clear, high-quality code snippets accompanied by detailed explanations.
Evaluate AI generated code for accuracy, performance, and clarity.
Provide feedback that informs the next generation of AI models.

Requirements

Fluency in English at native or bilingual level.
Proficiency in at least one of these languages or frameworks: JavaScript, TypeScript, Python, C, C#, C++, React, Go, Java, Kotlin, or Swift.
Excellent writing and grammar skills.
A bachelor’s degree (completed or in progress).
Previous experience as a Software Developer, Coder, Software Engineer, or Programmer is preferred.

Technologies

JavaScript, TypeScript, Python, C, C#, C++, React, Go, Java, Kotlin, Swift

Benefits

Fully remote: work from anywhere in the US, Canada, UK, Ireland, Australia, and New Zealand.
Flexible schedule: choose which projects you take on and when you work.
Competitive pay: projects are paid hourly, starting at USD 40+ per hour. Opportunities for higher-paying projects are available with strong performance.
Impact: help shape the future of AI technologies.

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