Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

C# Engineer

$65 per hour
Temporary

Pay: up to $65/hour

This is an hourly-paid, fully remote contractor role where you will review AI-generated responses and/or generate C#/.NET engineering content, evaluating reasoning quality and step-by-step problem-solving. You will assess solutions for accuracy, clarity, and adherence to the prompt; identify errors in methodology or conceptual understanding; fact-check technical claims; and rate/compare multiple responses based on correctness and reasoning quality. You will also produce high-quality explanations and model solutions that demonstrate correct methods and clear communication. This role is with SME Careers, a fast-growing AI Data Services company and subsidiary of SuperAnnotate that provides AI training data for many of the world’s largest AI companies and foundation-model labs—your work directly helps improve the world’s premier AI models.

Important:

There is no immediate project for this role; however, if qualified, you will be among the first experts we reach out to when relevant opportunities arise. This will also provide you with access to future projects available through our expert network.

Responsibilities

  • Develop AI Training Content: Create detailed prompts in various topics and responses to guide AI learning, ensuring the models reflect a comprehensive understanding of diverse subjects.
  • Optimize AI Performance: Evaluate and rank AI responses to enhance the model's accuracy, fluency, and contextual relevance.
  • Ensure Model Integrity: Test AI models for potential inaccuracies or biases, validating their reliability across use cases.

Requirements

  • Bachelor’s degree or higher in Computer Science, Software Engineering, or a related field (or equivalent professional experience).
  • 2+ years of professional experience using C#.
  • Strong experience with C# and the .NET ecosystem (ASP.NET Core, Web APIs, async/await, LINQ).
  • Knowledge of relational databases and data access patterns (SQL Server and/or PostgreSQL; EF Core and/or Dapper).
  • Experience with modern engineering practices and tooling (Git, CI/CD, Docker).
  • Strong advantage: experience solving Medium–Hard algorithmic problems (e.g., LeetCode/HackerRank-style).
  • Strong English writing skills; Minimum C1 English proficiency.
  • Highly detail-oriented, able to spot subtle logical/technical issues and explain corrections clearly.
  • Preferred: prior experience with AI data training, evaluation, annotation, or technical QA of model outputs.
  • Able to work as an hourly, remote contractor with reliable internet and consistent availability.

Skills: EF Core, Docker, C#, English, SQL, .NET, ASP.NET Core, Async/Await, LINQ, Web APIs

Open to candidates in: Bangladesh, Bhutan, Brazil, Cambodia, Germany, India, Indonesia, Malaysia, Nepal, Pakistan, Singapore, Sri Lanka, Thailand, The Philippines, The United States, Timor Leste, Vietnam

Interview language: English

Vacancy posted 10 days ago
Similar jobs that could be interesting for youBased on the C# Engineer in Remote vacancy
  • £59k - £75k per annumEstimated
     ...maintainable, and aligned with the overall architecture. Own Engineering Outcomes: Take ownership of technical areas and features end-to-...  ...hands-on experience building and shipping mobile games. C# & Unity: Strong expertise in Unity3D and C#, with a deep understanding... 
    Suggested
    Remote job
    Long-term contract
    Casual work
    Flexible hours

    PlayQ

    Remote
    1 day ago
  •  ...and training datasets to train LLM to work on realistic software engineering problems. One of our approaches, in this project, is to build verifiable...  ...Strong experience with at least one of the following languages: C# Proficiency with Git, Docker, and basic software pipeline... 
    Suggested
    Part-time
    Freelance
    Remote

    Turing

    Remote
    13 days ago
  • $50k - $65k per annum

     ...payments industry. We are seeking an experienced Senior Software Engineer to join our Core Gateway team. The Core Gateway team is...  ...applications in a commercial environment. Advanced proficiency in C# (preferred) or PHP, with strong understanding of object-oriented... 
    Suggested
    Remote job
    Long-term contract
    Rotating shifts

    NMI

    Remote
    more than 2 months ago
  •  ...pay Required Skills C# .NET MySQL About micro1 micro1 is the leading AI data lab for training frontier models and evaluating...  ...knowledge across domains such as finance, healthcare, STEM engineering, and more. micro1 transforms that real-world expertise into high-... 
    Suggested
    Part-time
    Remote

    micro1

    Remote
    13 days ago
  • £52k - £68k per annumEstimated
     ...dynamic, remote-first environment. You will use your expertise in C# and . NET technologies to build and enhance web applications,...  ...technically strong professional who enjoys combining hands-on software engineering with practical troubleshooting and production support. Working... 
    Suggested
    Full-time
    Remote

    Jobgether

    Remote
    7 days ago
  •  ...solutions that meet evolving business needs Accountabilities - Design, develop, test, and maintain scalable enterprise applications using C#, . NET Core, and modern . NET versions. - Build and maintain backend services and RESTful APIs using ASP. NET Core and Web API. -... 
    Full-time
    Remote

    Jobgether

    Remote
    1 day ago
  • Company: ADROC GROUP Job Type: Contract

    ADROC GROUP

    Remote
    a month ago
  • £46k - £61k per annumEstimated
     ...payment generation, and many of its subprocesses require automation and optimization. Technologies .NET Core, .NET Core Web API C#, Angular, TypeScript, HTML, CSS Entity Framework Core MS SQL Server Stored Procedures Git What You’ll Do Develop and... 
    Full-time
    Hybrid working
    Remote
    Flexible hours

    Coherent Solutions

    Remote
    2 days ago
  • £65k - £84k per annumEstimated
     ...to be working: we’re #1 in our category, profitable, and have hockey-stick growth. With that growth comes the need for a Software Engineer, Platform to join our newly formed Platform team and help us scale our infrastructure, optimize the performance of key product flows... 
    Remote job

    Speechify

    Remote
    more than 2 months ago
  • £50k - £70k per annum

     ...Seize the exciting opportunity to establish an engineering function from the ground up at a San Francisco-based startup. In this role, you will have the chance to refine and expand your programming skills, particularly in Rust, but also building up your skills further in... 
    Remote job
    Permanent

    LinuxRecruit

    Remote
    more than 2 months ago
  • $65 - $105 per hour

     ...About the Role We are looking for experienced software engineers to help train and evaluate AI models on real-world programming work. You will build and validate coding tasks, review AI-generated code, and write the reference solutions and tests that models are measured... 
    Hourly pay
    Remote

    RemoExperts

    Remote
    13 days ago
  • £53k - £72k per annumEstimated
     ...is the trusted source for open source. By delivering hardened, secure, and production-ready builds of all the open source software engineers and AI agents rely on, Chainguard helps organizations build faster, stay compliant, and eliminate risk. Our customers include Fortune... 
    Full-time

    Chainguard

    Remote
    17 days ago
  •  ...Zencore is a fast-growing company founded by former Google Cloud leaders, architects, and engineers. We are seeking candidates with significant experience in Google Cloud to join our team. Our engagements aim to eliminate obstacles, reduce risk, and accelerate timelines for... 
    Full-time
    Temporary
    Remote

    Zencore

    Remote
    4 days ago
  • $2,000 - $2,800 per month

    We Make Remote Work Remarkable • TopTalent from LatAm Hello! We are GoFasti, a Talent-as-a-Service. GoFasti bridges the gap between world-class developers and designers from LatAm and first-class companies around the globe. We need an English-proficient Shopify Software...
    Full-time
    Remote

    GoFasti

    Remote
    9 hours ago
  • £75k - £90k per annum

     ...Rust, rust, and more rust... everyone talks about it but it seems very few are using it. On average, I will speak with 3/4 engineers a day that are either keen to get their hands on it for the first time, or to expand on their existing exposure of using it. The problem... 
    Remote job
    Permanent

    LinuxRecruit

    Remote
    more than 2 months ago
  • $50 - $100 per hour

     ...valuable for advanced model performance. Our pipeline performance system ensures both quality and velocity. Role Title: Software Engineer (Open Source Contributor) Role Type: Contractor Location: Anywhere in the world, remote Opportunity Snapshot Pay: $50–100/... 
    Long-term contract
    Part-time
    Remote

    micro1

    Remote
    2 days ago
  • £48k - £62k per annumEstimated
     ...We are looking for enthusiastic and inquisitive Software Engineers with a passion for building modern, modular, and high-performing frontend applications. This role focuses on the design, delivery, and maintenance of micro frontend (MFE) architectures, enabling scalable and... 
    Long-term contract

    Admiral

    Remote
    1 day ago
  • £49k - £64k per annumEstimated
     ...spend time understanding a client’s world, identify what’s worth building, prototype it, prove it works, and then partner with core engineering teams to ship it as product for all customers. As an Applied AI Engineer, you’ll build agentic systems from idea through... 
    Full-time
    Casual work
    Remote
    Night shift

    Addepar

    Remote
    2 days ago
  • €90k - €100k per annum

    Rusty hands, sounds bad right? Maybe you want to get your hands dirty with Rust.  The Rust programming language is exciting, it provides security, scalability and suitability for building heavy applications. If you have used Rust you know this, and I'm sure you are keen to...
    Remote job
    Permanent
    Immediate start

    LinuxRecruit

    Remote
    more than 2 months ago
  • £58k - £75k per annumEstimated
     ...candidates who read job descriptions carefully and have basic technical skills. POST Request body: { 'roleSlug': 'software-engineer', 'name': 'Your Name', 'email': '****@*****.***', 'link': ' ', 'coverNote': 'Why Propr?', 'exceptionalNote': 'What makes you exceptional... 
    Full-time

    SwissBorg

    Remote
    6 days ago
  • £60k - £79k per annumEstimated
     ...between query planning and table scans, building the systems that turn query plans into efficient, reliable execution. As a Software Engineer, you’ll work with experienced engineers to build, test, and support well-scoped improvements to the execution engine. You’ll learn... 
    Full-time
    Internship
    Hybrid working

    Dremio

    Remote
    3 days ago
  • £42k - £55k per annumEstimated
     ...that you misspelled a variable? Do you like to work in an open and transparent environment? If so, our  Open Source Software Release Engineer is likely the job for you! The Eclipse Foundation is one of the world’s largest open source software foundations. Its member base and... 
    Permanent
    Full-time
    Remote
    Work from home

    Eclipse Foundation

    Remote
    1 day ago
  • $50 - $100 per hour

     ...About the Role We are looking for software engineers to validate real-world repositories used to evaluate large language models. You will...  ...experience. Strong experience in at least one of Python, C++, C#, Go, Rust or Ruby. Proficiency with Git, Docker and basic pipeline... 
    Hourly pay
    Remote

    RemoExperts

    Remote
    13 days ago
  • £55k - £72k per annumEstimated
     ...we do is the result of the creativity and commitment of our team – builders doing the best work of their lives. We are researchers, engineers, and operators. IOI medalists and ex-founders. If you want to work hard and create lasting positive impact, we want to hear from you... 
    Full-time
    Immediate start
    Remote

    ElevenLabs

    Remote
    6 days ago
  • €80k - €90k per annum

     ...range product, so experience creating products and features from scratch is a necessity. Day to day, you'll be solving challenging engineering problems, experimenting with new ideas, and striving to find the best technical solutions to ensure scalable and maintainable... 
    Remote job
    Permanent

    LinuxRecruit

    Remote
    more than 2 months ago
  • $40 - $150 per hour

     ...minutes. Someone has to check whether that code actually works, and that someone is you. You'll run agentic coding sessions on real engineering tasks, analyze what the models produce, and red-team them until they fail in interesting ways. Every failure you document teaches... 
    Weekly pay
    Full-time
    Remote
    Flexible hours

    DataAnnotation

    Remote
    8 days ago
  • pay Required Skills Python JavaScript JAVA Node.js Full - Stack Code Review Technical Documentation Software Architecture About micro1 micro1 is a data lab that helps AI labs & Enterprises train foundational models and agents. We provide frontier...
    Long-term contract
    Part-time
    Remote

    micro1

    Remote
    2 days ago
  •  ...matter knowledge across domains such as finance, healthcare, STEM engineering, and more. micro1 transforms that real-world expertise into high-...  ...of the following: Python, C++, Java, Rust, Typescript, Go, or C#. Extensive experience in open source contributions, particularly... 
    Part-time
    Remote

    micro1

    Remote
    14 days ago
  •  ...and evaluating AI agents. Experts contribute their diverse subject matter knowledge across domains such as finance, healthcare, STEM engineering, and more. micro1 transforms that real-world expertise into high-quality training data, evaluations, and feedback loops that... 
    Part-time
    Remote

    micro1

    Remote
    13 days ago
  • £72k - £94k per annumEstimated
     ...hedge funds, and crypto exchanges, totalling over 10 million brokerage accounts. Our global team is a diverse group of experienced engineers, traders, and brokerage professionals who are working to achieve our mission of opening financial services to everyone on the planet... 
    Full-time
    Remote

    Alpaca

    Remote
    9 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to C# Engineer. Be the first to apply!