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Contrata C Programmers

Alejandro C.

4,8

145

7,9

97%

Benito Juarez, Mexico

$40 USD por hora

*** Ranked #1 Mexican Freelancer in the app: https://www.freelancer.com/search/users?userCountries=mx&userSort=mostRelevant&userSkills=17 This is supposed to be a mini CV ? ( full CV & contact info at www.alexcd2000.com ) well, here it goes: Current Goals: -Develop my remote career -Have a constant income by providing support to platforms / projects, better if I developed them -Work with friendly & funny people About me: I've been working in a web agency as web developer (both front and back end although I prefer the second). Before that I was a jr programmer in a stock-market related company that sold databases here in Mexico. I'm an engineer btw. I'm fluent in English, German and native in Spanish. We will achieve greatness together, so HIRE ME! haha *** IT Knowledge - CMS: WordPress (Plugin development like https://wordpress.org/plugins/qsynced & WooCommerce for ecommerce), Joomla (blogs), Shopify (with Liquid for template edition), Wix & Squarespace - - - Coding Langs: PHP (web coding), JS (web coding), HTML/CSS (webpages), MySQL (Databases), APIs/JSON, VBA (macros Excel/Access), React Native (App Prototyping) - Frameworks: Bootstrap (html/css), jQuery/Ajax (JS coding), Node (JS coding), Laravel (PHP coding), CodeIgnater (PHP coding) - - - Compilers: SASS/SCSS (css), PUG (html)

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Seyedamirpouya K.

5,0

6,6

100%

Guanajuato, Mexico

$50 USD por hora

➤ A passionate iOS developer! So far, I have developed two commercial apps available on App Store. I developed Street Explorer which is an Augmented Reality based app used to discover venues and places around and helps the user navigate to their destination. My second app is WikiMedicine. WikiMedicine in an Intelligent iOS app designed to give general information about medical drugs. It uses a Machine Learning technique to scan and process labels or boxes of medicine and retrieve the related information. Happiness AI, So Choosy are among other apps that I have developed as the principal developer. Some of the technologies I have worked with: ✦ UIKit ✦ SwiftUI ✦ ARKit (Augmented Reality) ✦ Google's Firebase (Realtime Database, Cloud Firestore, Storage, ML Kit, Crashlytics, Authentication, AdMob, In-App Messaging,) ✦ Google Cloud APIs (Maps, Places, Directions, etc) ✦ AWS S3, Polly, Textract, Cognito, API Gateway, Authentication ✦ In-App Purchases ✦ RevenueCat ✦ OpenAI API ✦ CoreData ✦ CoreML ✦ AVFoundation ✦ SceneKit ✦ Core Animation ✦ Core Graphics ✦ PDFKit ✦ Vision

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Josue Enmanuel M.

4,8

6,2

91%

Campeche, Mexico

$25 USD por hora

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Dulce Maria C.

5,0

5,9

100%

SOLIDARIDAD, Mexico

$25 USD por hora

Desarrollador con mas de 5 años de experiencia, contamos con todo lo necesario para finalizar tu proyecto

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Marco Antonio C.

4,9

6,3

100%

Mérida, Mexico

$30 USD por hora

I'm an Embedded Systems and IoT Architect Engineer who focus on providing solutions in Home Automation, Energy Monitoring, and Industrial Automation industries. I have been working here for more than 4 years and attending every project with full customer satisfaction. I always meet deadlines and absolutely focus on delivering fast and high-quality results! My passion for hardware prototyping and firmware development experience is ready to get your next project/product up and running quickly. LET'S GET STARTED! ******My specialties are: - Firmware development for IoT and Industrial devices in C/C++ - IoT Solutions: AWS IoT, MQTT, HTTP, OTA, MQTT-Broker Development - Frameworks and Tools like: MBED, STM32Cube, PlatformIO, Arduino IDE, KiCad - Multi-layer PCB Design with EMC Compatibility - RF Layout - PCB Antennas - RTOS Systems - 3D Enclosure Design for Electronic Devices ******Skills: -C/C++ -Javascript -PCB Layout -3D Modeling and Design -IoT Protocols (HTTP, MQTT) and OTA - AWS IoT Core -Hardware Prototyping -BOM Management GitHub Repository: https://github.com/MarcoCiau

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Ivan C.

4,9

5,1

94%

Medellin de Bravo, Mexico

$30 USD por hora

Soy Ingeniero en Sistemas Computacionales con experiencia en desarrollo de software principalmente con .NET adicionalmente e trabajado con otras tecnologías como por ejemplo Laravel, Node, Angular, tengo la capacidad para manejar grandes cantidades de información con bases de datos como SQL Server, MySQL, MongoDB y DYnamoDB. Me gusta aprender temas nuevos del mundo del desarrollo de software, por lo que constantemente tomo cursos en linea, leo blogs y todo tipo de contenido relacionado para estar al día en las nuevas tecnologías. Me gusta estudiar sobre patrones de diseño y arquitecturas para incrementar mis conocimientos teóricos y cuando me sea necesario aplicarlos a los proyectos en los que me encuentre trabajando.

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C Programming PHP JavaScript Visual Basic Windows Desktop

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Rafael Yobain L.

5,0

5,8

94%

SAN ANDRES CHOLULA, Mexico

$32 USD por hora

With over 8 years of experience in web development, including a strong focus on JavaScript frameworks such as React.js, I have a proven track record of building intuitive, user-centric applications that align with modern design principles and business goals. In addition to traditional development, I have strong experience with no-code and low-code platforms including n8n, Bubble, and Make.com, enabling me to rapidly automate workflows, build scalable MVPs, and integrate complex systems with minimal overhead. Beyond my technical skills, I value collaboration and clear communication. I have partnered closely with product managers, designers, and backend developers to translate requirements into actionable solutions, meeting tight deadlines without compromising quality. My experience with tools such as Vite, Next.js, and Tailwind CSS further supports my ability to deliver production-ready applications efficiently. I would welcome the opportunity to discuss how my skills and experience align with your needs. 📞 Please feel free to contact me. 🔹 Frontend Development React.js, Next.js, Angular, Vue.js HTML5, CSS3, JavaScript (ES6+), SASS / SCSS Tailwind CSS, Bootstrap, GSAP (Animations) 🔹 3D & Interactive Web Three.js, React Three Fiber, D3.js, GSAP Animations, 3D Configurators 🔹 Full-Stack & Architectures MERN Stack, Full-Stack Web Applications, Scalable System Design, SSR / SSG (Next.js) 🔹 Mobile Development React Native, Flutter, iOS (Objective-C), Android (Java) 🔹 eCommerce Development WooCommerce (WordPress), Shopify (Customization & Optimization), Magento, Payment Gateway Integration, Checkout Optimization, eCommerce Automation 🔹 Backend Development PHP (Core & Advanced) Laravel, CodeIgniter, Node.js, Python (Django, Flask), REST APIs & Third-party Integrations 🔹 CMS & Website Builders WordPress, Shopify, Magento, Wix, Elementor Pro, Divi, Avada, WPBakery, Salient Salesforse, powerBI, Excel 🔹 Automation & Scraping Puppeteer, Selenium, BeautifulSoup, Web Scraping Systems, Workflow Automation (n8n), 🔹 Blockchain & Web3 Ethereum, Solana, Polygon, Base, Smart Contracts (Solidity, Rust), DApps Development, NFT Platforms, Wallet Integration (MetaMask) 🔹 Telegram & TON Development Telegram Mini Apps, Telegram Bots & Automation, TON Blockchain (FunC, Solidity), TON Wallet Integration, DeFi & NFT Solutions on TON, 🔹 DevOps & Cloud AWS, Azure, Google Cloud CI/CD Pipelines Deployment & Infrastructure Automation 🔹 AI & Machine Learning AI Automation,NLP Integrations,Machine Learning Model Integration 🔹 Databases MySQL, PostgreSQL, MongoDB, Firebase, MS SQL Server 🔹 Design & UX UI/UX Design, User-Centered Design, Conversion Optimization, Branding,

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DOMO Integral Solutions

4,9

7,0

94%

Guadalajara, Mexico

$30 USD por hora

DOMO Integral Solutions has the main purpose to integrate solutions created by a multidisciplinary team to completely fill the client's needs. Our activities include development, testing, manufacturing, and prototyping. We combine almost 25 years of experience in different areas of industry, such as automotive development, PCB manufacture, drone design, telecommunications, business management, etc. Nowadays our job consists of combining both sides (technical and management), being responsible for people, and achieving goals for projects, always maintaining high standards of quality.

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Jordan Rafael G.

5,0

4,4

100%

Tequila, Mexico

$35 USD por hora

I help startups, SaaS companies, and enterprises build **modern web applications, cross-platform mobile apps, cloud-native systems, and AI-powered solutions** that are scalable, secure, and production-ready. From UI/UX and backend architecture to cloud deployment and AI integration, I deliver complete end-to-end software solutions. ## 🚀 Services 🌐 Modern Web Applications (React, Next.js, Vue, Angular, ASP.NET Core) 📱 Cross-Platform Mobile Apps (React Native, Flutter, .NET MAUI) ⚙️ Backend APIs, Microservices & Enterprise Systems 🤖 AI Chatbots, AI Agents & Workflow Automation 🧠 OpenAI, Claude, LangChain, LangGraph & RAG Applications 🎨 AI Image & Video Generation (Stable Diffusion, ComfyUI, Runway, Pika) 🔗 Third-Party API Integrations (Stripe, PayPal, Square, Twilio, Firebase, Supabase, ElevenLabs) ☁️ Cloud Deployment on Azure, AWS, Google Cloud, Vercel & Netlify ⚡ Performance Optimization, Legacy Modernization & Clean Architecture ## 💻 Technical Skills ### 🎨 Frontend React • Next.js • Vue • Angular • Svelte • TypeScript • JavaScript • HTML5 • CSS3 • Tailwind CSS • Bootstrap • Material UI • shadcn/ui ### ⚙️ Backend C# • .NET Core • ASP.NET Core • Web API • Node.js • Express • NestJS • Python • Django • FastAPI • Flask • PHP • Laravel • Java Spring Boot • Go ### 📱 Mobile React Native • Flutter • .NET MAUI • Kotlin • Swift • SwiftUI • Ionic • Capacitor ### 🗄️ Databases SQL Server • PostgreSQL • MySQL • MongoDB • SQLite • Redis • Firebase • Supabase • Prisma ORM ### ☁️ Cloud & DevOps Azure • AWS • Google Cloud • Docker • Kubernetes • GitHub Actions • GitLab CI/CD • Jenkins • Terraform • Linux • Nginx ### 🤖 AI & Automation OpenAI GPT • Claude AI • LangChain • LangGraph • RAG • AI Agents • MCP • Stable Diffusion • ComfyUI • Pinecone • Weaviate • ChromaDB ### 🔌 APIs & Integrations REST • GraphQL • WebSockets • gRPC • OAuth • JWT • Stripe • PayPal • Square • Twilio • Firebase • Supabase • OpenAI API • Claude API • ElevenLabs ### 🛠️ Tools Git • GitHub • GitLab • Bitbucket • Postman • Jest • Playwright • Cypress • WordPress • Shopify • WooCommerce ## ⭐ Why Choose Me? ✅ Senior Full-Stack Engineer ✅ Web, Mobile & AI Expertise ✅ Clean, Scalable & Maintainable Code ✅ Cloud-Native & Enterprise Architecture ✅ Fast Communication & Reliable Delivery ✅ Long-Term Technical Partner 📩 Whether you need a SaaS platform, AI application, enterprise software, cloud infrastructure, or a mobile app, I'm ready to turn your ideas into high-quality, scalable software.

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Cómo contratar a un excelente C Programmer freelance

A C programmer is a software developer who writes, debugs, and optimizes applications and systems using the C programming language, often for performance-critical, embedded, or low-level computing environments. Hiring an experienced C programmer gives your project access to one of the most efficient, portable, and battle-tested languages in modern computing, powering everything from operating system kernels to firmware and high-frequency trading engines.

C remains the foundation of system software, microcontroller firmware, device drivers, and performance-sensitive libraries. A skilled C developer brings deep knowledge of memory management, pointers, data structures, and hardware interaction, which translates directly into faster, smaller, and more reliable software. Whether you need a custom embedded application, a Linux kernel module, or a numerical computation library, a C expert delivers the technical precision these projects demand.

What a freelance C programmer delivers

Freelance C developers handle a wide range of work, from greenfield development to maintaining legacy codebases. The deliverables are concrete, measurable, and often tied to strict performance or memory constraints.

Embedded firmware for microcontrollers such as ARM Cortex-M, AVR, ESP32, STM32, and PIC families

Device drivers and kernel modules for Linux, Windows, and real-time operating systems like FreeRTOS

High-performance libraries, command-line utilities, and system daemons

Network protocol implementations, including TCP/IP stacks, MQTT clients, and custom binary protocols

Cryptographic routines, parsers, compilers, and interpreters

Porting legacy C code across platforms, compilers, and architectures

Code reviews, static analysis, and performance profiling for existing C codebases

Integration with assembly language, hardware peripherals, and bare-metal targets

Core tools, compilers, and methodologies

Strong C programmers work fluently across the toolchains and standards that define modern systems development. Look for hands-on experience with the technologies most relevant to your target platform.

Compilers and toolchains: GCC, Clang/LLVM, MSVC, IAR, Keil, and arm-none-eabi-gcc

Build systems: Make, CMake, Autotools, and Ninja

Debuggers and profilers: GDB, LLDB, Valgrind, AddressSanitizer, and gprof

Static analysis: Cppcheck, Coverity, Clang Static Analyzer, and MISRA C compliance checkers

Version control and CI: Git, GitHub Actions, and GitLab CI

Standards familiarity: C89, C99, C11, C17, POSIX, and MISRA C for safety-critical work

Testing frameworks: Unity, CMock, Check, and CUnit

Hardware tools: JTAG and SWD debuggers, logic analyzers, and oscilloscopes for embedded work

Industries that rely on C developers

C is foundational across sectors where performance, determinism, and hardware control are non-negotiable. Freelance C programmers commonly support projects in:

Embedded systems and IoT, including consumer electronics, industrial sensors, and smart home devices

Automotive software, including ECU firmware and ADAS components, often with MISRA C requirements

Telecommunications and networking equipment

Aerospace, defense, and medical devices, where safety-critical coding standards apply

Operating systems, virtualization, and database engines

Scientific computing, simulation, and numerical analysis

Game engines and graphics libraries that require tight performance budgets

Financial systems where microsecond-level latency matters

How to evaluate a C programmer

Strong candidates demonstrate fluency in pointers, memory layout, undefined behavior, and the C standard library. Ask for portfolio samples that show production code, not just toy programs. Look for clean header organization, defensive error handling, consistent memory ownership patterns, and evidence of testing under tools like Valgrind or AddressSanitizer.

Useful signals include contributions to open-source C projects, embedded portfolio work with real hardware photos or schematics, and familiarity with coding standards like MISRA C or CERT C. For systems work, look for experience with multithreading primitives, lock-free data structures, and platform APIs such as POSIX or Win32.

Sample interview questions you can use directly:

How do you prevent and detect memory leaks and buffer overflows in a long-running C application?

Can you explain the difference between stack and heap allocation, and when you would choose each?

How would you debug a segmentation fault that only occurs intermittently in production?

What is undefined behavior in C, and can you give three examples developers commonly miss?

Walk me through how you would optimize a tight loop without sacrificing readability or portability.

Adjacent skills worth considering

Many C projects benefit from complementary expertise. Depending on your scope, you may want a developer who also handles C++, embedded Linux, RTOS configuration, assembly programming, Python for tooling and test harnesses, or hardware design skills like PCB layout and schematic capture. For driver work, kernel development experience is essential; for IoT, familiarity with MQTT, BLE, and LoRaWAN is common.

Why hire C programmers on Freelancer.com

Freelancer.com connects you with a global pool of C developers spanning embedded firmware engineers, kernel hackers, systems programmers, and performance optimization specialists. You can review detailed profiles, verified ratings, and portfolios before making a decision, and clients set their own budgets to receive competitive bids matched to project scope. The platform's scale means you can find freelancers on Freelancer.com with niche experience, whether you need someone fluent in STM32 HAL, comfortable with MISRA C compliance, or experienced shipping production Linux drivers. Milestone Payments protect both sides of the engagement, releasing funds only when agreed deliverables are met.

Ready to ship reliable, performant code on your target platform? Post a project on Freelancer.com today and connect with skilled C programmers ready to deliver firmware, drivers, libraries, and systems software built to specification.

What are the steps to hiring a freelance C programmer?

Hiring a C developer is straightforward when you approach it with a clear technical brief. Because C work often touches hardware, performance budgets, or legacy code, the more specific you are about the target environment, the better the bids you will receive. The process below walks you from posting a project to awarding it with confidence.

Step 1: Post your project on Freelancer.com

Your project post is the single biggest determinant of bid quality. A clear, technical brief filters for C developers whose skills genuinely match your target platform and constraints, and saves you time during shortlisting. Head to the post project page , where you fill in the brief, scope, timeline, and budget before publishing the project for freelancers to bid on.

Specify the target platform: microcontroller family, OS, or bare-metal environment

List the required toolchain and compiler, such as GCC, Clang, IAR, or Keil

State applicable standards: C99, C11, MISRA C, CERT C, or POSIX compliance

Describe deliverables: source code, header files, unit tests, documentation, and binary artifacts

Note performance, memory, and real-time constraints, plus any existing codebase to integrate with

Indicate timeline expectations and your budget range

Step 2: Review bids from freelancers

Bids are short proposals, not just price quotes. They reveal how each C developer interprets your brief, what approach they propose, and what timeline they consider realistic. Read carefully and shortlist candidates whose technical reasoning matches the work.

Look for proposals that reference your specific platform, compiler, or standards

Check that the freelancer raises sensible clarifying questions about memory, peripherals, or interfaces

Assess timeline realism against the complexity of the firmware or systems work

Note any sample C code, GitHub links, or embedded portfolio pieces attached to the bid

Use Freelancer.com chat to ask follow-up questions about debugging approach, testing strategy, or prior similar projects before shortlisting

Step 3: Evaluate freelancers and award the project

The final decision combines proposal quality with profile evidence. Weigh consistency across past C work, not just a single impressive project, and pay close attention to client reviews that mention reliability, code quality, and communication on technical projects.

Review portfolio depth and relevance: embedded firmware, drivers, libraries, or systems code matching your domain

Check star ratings and the volume of completed C and embedded projects

Read written client reviews for comments on debugging skill, documentation, and on-time delivery

Verify payment method, completion rate, and on-time delivery rate on the profile

Look for evidence of testing discipline: unit tests, static analysis use, or experience with Valgrind and sanitizers

Award the project and use Freelancer.com Milestone Payments to release funds as defined deliverables are completed and verified

How long does a typical C programming project take?

Timelines depend heavily on scope. A small embedded firmware feature or a bug fix in an existing codebase can take a few days, while a full driver, protocol implementation, or new firmware platform may run several weeks to a few months. Discuss milestones with your freelancer up front so progress is measurable.

What is the difference between a C programmer and a C++ programmer?

C is a procedural language focused on direct memory and hardware access, while C++ adds object-oriented features, templates, and a much larger standard library. C programmers are often the right choice for embedded firmware, kernel work, and minimal-footprint systems, whereas C++ developers fit larger application architectures. Many freelancers are proficient in both, but the right choice depends on your target platform and existing codebase.

Can I hire a C developer for a one-off project?

Yes. Freelancer.com supports both short fixed-scope engagements and longer-term contracts. One-off work like a code audit, a port between platforms, or a single firmware module is common and well suited to the platform.

Do I need a C freelancer or a development agency?

For focused technical work, a single freelance C developer is often faster and more cost-effective than an agency. If your project requires hardware design, UI, backend services, and firmware together, you can hire multiple specialists on Freelancer.com and coordinate them yourself, or find a freelancer who leads a small team.

What information should I share with a C programmer before they start?

Provide the target platform or microcontroller, compiler and toolchain, any existing source code or specifications, performance and memory constraints, and the coding standard you want followed. Clear technical inputs lead to accurate bids and faster delivery.