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Kenan A., Senior C/C++ Embedded Developer

Last Updated: 25 Sep 2023

- Over 26 years of experience as an Embedded Systems Developer. - Expertise in C/C++, with hands-on experience in Zephyr RTOS and Bluetooth Mesh. - Worked with nRF52, nRF53 MCU, Linux, ARM Cortex, and ESP32 technologies. - Led small engineering teams and provided consultation for embedded solutions. - Developed functional simulators for hardware modules. - History of troubleshooting and technical support roles, showcasing strong problem-solving skills. - Holds an educational background from Azerbaijan State University with certifications in client-server technologies.

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Volodymyr G., Rust/C++ Engineer

Binz, Switzerland
Last Updated: 4 Jul 2023

- Experienced C++/Rust/Mobile/Scala Developer with a demonstrated history of working in the financial/media services industries. - Skilled in C/C++. rust, Java, Mobile Applications, Python/Ruby, Haskell. Strong engineering professional graduated from Dnipropetrovs'kij Nacional'nij University. - Intermediate English

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Oleg S., Senior C++ Developer

Last Updated: 4 Jul 2023

• Having huge experience (14+ years) in back-end development on C/С++/Erlang/Elixir has shown himself as aim-oriented developer with analytical skills. • Using his experience he can not only to develop new features and functionality, but also make clear hidden multiconnection in any code that is based on the scope of Erlang/Elixir/C/Js. • Has a huge experience in parser development of custom xml coding. • English Upper-intermediate. • Available Full-time. • Ready to start ASAP. • No scheduled vacations within next 3 months.

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Qt Framework

Qt Framework

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Denys B., C++ Engineer with video experience

Dnipro, Ukraine
Last Updated: 24 Oct 2023

- Senior Software Engineer with over 11 years of experience in full-cycle product development with video experience. - Proficient in multiple programming languages including C++17, C#, Golang, Python, and SQL. - Skilled in test-driven and behavior-driven development, with a focus on desktop and client-server application development for Windows, Linux, and Mac OS. - Experienced in cloud application development using microservice architecture, Docker, AWS, Kubernetes, and SQL/NoSQL databases. - Strong knowledge of Windows internals and driver development, including WinAPI, IPC, RPC, ATL/COM, KMDF drivers, and system services. - Expertise in reverse engineering for Windows and Mac OS, using tools such as IDA Pro, WinDbg, and HEX editors. - Proficient in data protection using system built-in and third-party crypto libraries like OpenSSL.

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Max, Go/C++ Engineer

Last Updated: 14 Aug 2023

- Software developer (since 2002), startup experience (since2007), - Upper-Intermediate English - Available SAP

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Go   4 yr.


Rust   3 yr.


C++   10 yr.

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Our journey starts with a 30-minute discovery call to explore your project challenges, technical needs, and team diversity. Meet Carefully Matched C Talents. Within 1-3 days, we’ll share profiles and connect you with the right talents for your project. Schedule a call to meet engineers in person. Validate Your Choice. Bring a new C developer on board with a trial period to confirm that you’ve hired the right one. There are no termination fees or hidden costs.

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Upstaff Managers conduct an introductory round with potential candidates to assess their soft skills. Additionally, the talent’s hard skills are evaluated through testing or verification by a qualified developer during a technical interview. The Upstaff Staffing Platform stores data on past and present C candidates. Upstaff managers also assess talent and facilitate rapid work and scalability, offering clients valuable insights into their talent pipeline. Additionally, we have a matching system within the platform that operates in real-time, facilitating efficient pairing of candidates with suitable positions.

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Table of Contents

Pros & cons of C

7 Pros of C

  • C is a high-performance and efficient programming language that allows for low-level memory manipulation, making it ideal for system-level programming and embedded systems.
  • C has a simple syntax and a small set of keywords, making it easy to learn and understand for programmers.
  • C has a large community of developers and a vast amount of libraries and frameworks available, providing extensive support and resources for developers.
  • C has a long history and is widely used in the industry, making it a valuable skill for job seekers in the field of software development.
  • C allows for direct access to hardware, enabling developers to create highly optimized and specialized code for specific hardware architectures.
  • C is highly portable and can be used on various operating systems and platforms, ensuring the flexibility and compatibility of the code.
  • C is the foundation for many other programming languages, such as C++, Java, and Python, making it a fundamental language to understand for further language exploration.

7 Cons of C

  • C lacks built-in support for modern programming paradigms, such as object-oriented programming, which can make complex software development more challenging.
  • C requires manual memory management, which can lead to memory leaks and bugs if not handled properly.
  • C has a limited standard library compared to other programming languages, requiring developers to rely on third-party libraries for certain functionalities.
  • C can be prone to security vulnerabilities, as it allows for direct memory manipulation, making it more susceptible to buffer overflows and other security exploits.
  • C can be more time-consuming and verbose compared to higher-level languages, as developers need to write more code to achieve the same functionality.
  • C has a steep learning curve for beginners, especially those who are not familiar with low-level programming concepts and computer architecture.
  • C does not provide built-in support for exception handling, making error handling more challenging and requiring developers to implement their own error handling mechanisms.

Let’s consider Difference between Junior, Middle, Senior, Expert/Team Lead developer roles.

Seniority NameYears of ExperienceResponsibilities and ActivitiesAverage Salary (USD/year)
Junior0-2 yearsAssisting senior developers in coding and debugging, working on smaller tasks and projects, learning new technologies and frameworks, collaborating with team members on projects.30,000 – 60,000
Middle2-5 yearsTaking ownership of medium-sized projects, designing and implementing software solutions, collaborating with cross-functional teams, mentoring junior developers, participating in code reviews.60,000 – 90,000
Senior5+ yearsLeading and managing larger projects, providing technical guidance and mentorship to junior and middle developers, architecting complex software systems, ensuring code quality and performance, collaborating with stakeholders.90,000 – 120,000
Expert/Team Lead8+ yearsLeading a team of developers, making strategic technical decisions, managing project timelines and resources, providing technical leadership and mentoring, collaborating with product managers and executives.120,000 – 150,000

How and where is C used?

Case NameCase Description
Operating System DevelopmentC is widely used for developing operating systems due to its low-level programming capabilities. It allows developers to directly access and control hardware components, making it suitable for building efficient and reliable operating systems like UNIX and Linux.
Embedded Systems DevelopmentC is commonly used in embedded systems development as it provides efficient memory management and low-level access to hardware. It is ideal for developing firmware for microcontrollers, such as those used in automotive systems, IoT devices, and industrial automation.
Game DevelopmentC is frequently used in game development due to its high performance and low-level control over hardware. Many popular game engines, such as Unreal Engine and Unity, utilize C for core engine development and performance-critical code.
Compilers and InterpretersC is often used to build compilers and interpreters as it allows for efficient code generation and optimization. Compilers like GCC and LLVM, as well as scripting languages like Python and Perl, have components written in C for better performance.
Networking and Protocol DevelopmentC is widely used for networking and protocol development due to its ability to handle low-level network operations efficiently. Networking protocols like TCP/IP and HTTP are often implemented in C to ensure optimal performance and reliability.
Database SystemsC is used in the development of database systems to improve performance and manage memory efficiently. Database engines like MySQL and PostgreSQL have components written in C to handle data storage, indexing, and query processing.
Graphics and Image ProcessingC is commonly used in graphics and image processing applications due to its ability to manipulate pixels and perform complex mathematical operations efficiently. Software libraries like OpenGL and OpenCV utilize C for rendering graphics and processing images.
Device DriversC is extensively used for developing device drivers to enable communication between hardware devices and the operating system. Writing device drivers in C allows for direct control and efficient utilization of hardware resources.
System UtilitiesC is often used to develop system utilities and tools for tasks like file management, memory management, and process scheduling. Utilities like the GNU Core Utilities (e.g., ls, rm, mv) are written in C for efficient system-level operations.

TOP 10 C Related Technologies

  • C Programming Language

    C is a fundamental programming language widely used for system programming and developing high-performance applications. It offers low-level memory access, efficient code execution, and a large developer community.

  • GNU Compiler Collection (GCC)

    GCC is a popular open-source compiler that supports multiple programming languages, including C. It provides optimization options, extensive language support, and compatibility with various platforms and architectures.

  • Visual Studio Code

    Visual Studio Code is a powerful source code editor known for its flexibility, extensibility, and wide adoption among developers. It offers features like intelligent code completion, debugging capabilities, and support for various programming languages, including C.

  • Git

    Git is a widely used distributed version control system that allows developers to track changes in their codebase. It enables collaboration, easy branching, and merging, making it essential for software development projects, including those involving C.

  • Linux Operating System

    Linux is an open-source operating system commonly used for C software development. It provides a stable and secure environment, extensive libraries and tools, and excellent support for low-level programming.

  • SQLite

    SQLite is a lightweight and embedded database engine that is often used in C applications. It offers a self-contained, serverless architecture, high performance, and seamless integration with C code.

  • Valgrind

    Valgrind is a powerful debugging and profiling tool for C programs. It helps detect memory leaks, incorrect memory accesses, and other programming errors, improving the reliability and performance of C software.

Cases when C does not work

  1. C does not provide built-in support for object-oriented programming (OOP) concepts such as classes and inheritance. This can make it more difficult to write and maintain complex software systems that require OOP features.
  2. C lacks automatic memory management. Developers are responsible for manually allocating and freeing memory, which can lead to memory leaks and other memory-related issues if not handled properly.
  3. C does not have a standard library for handling strings. String manipulation in C requires manual memory allocation and character array operations, making it error-prone and cumbersome compared to higher-level languages.
  4. C does not provide built-in support for exception handling. Error handling in C typically involves checking return codes and using conditional statements, which can lead to code duplication and decreased code readability.
  5. C does not have a built-in module system, making it challenging to organize and reuse code. Developers often resort to using header files and preprocessor directives, which can result in name clashes and make code maintenance more difficult.
  6. C does not have native support for multithreading. Implementing concurrent programs in C requires the use of platform-specific libraries or threading frameworks, which can introduce portability issues and increase development complexity.
  7. C has limited support for higher-level abstractions and data structures. Unlike modern languages, C does not have built-in support for data structures such as lists, maps, or sets. Developers need to implement these data structures manually or rely on third-party libraries.

What are top C instruments and tools?

  • Visual Studio: Visual Studio is an integrated development environment (IDE) developed by Microsoft. It is widely regarded as one of the most powerful and versatile C development tools available. With its robust set of features and intuitive user interface, Visual Studio has become the go-to choice for many professional developers. It supports C and various other programming languages, providing rich debugging and code editing capabilities. Visual Studio has been continuously updated since its initial release in 1997, making it a reliable and mature tool for C development.
  • Eclipse: Eclipse is another popular IDE used for C development. It is an open-source platform that offers extensive customization options, making it highly flexible and adaptable to different development needs. Eclipse has a large community of developers contributing to its continuous improvement and expansion. It provides advanced features such as code refactoring, integrated debugging, and syntax highlighting, ensuring efficient and error-free coding. Eclipse has been around since 2001, and its wide usage across various industries speaks to its reliability and effectiveness.
  • GNU Compiler Collection (GCC): GCC is a renowned collection of compilers and related tools used for C programming. It is developed by the Free Software Foundation (FSF) and is available for multiple platforms. GCC has a long history, dating back to the early 1980s, and has become the de facto standard compiler for many programming languages, including C. It excels in optimizing code performance and generating efficient executable files. GCC’s versatility, reliability, and extensive community support make it a top choice for C developers.
  • Clang: Clang is a modern, highly efficient compiler toolset for C development. It is part of the LLVM project and is known for its fast compilation speed and low memory footprint. Clang provides excellent diagnostic messages and supports various C language standards. Its modular architecture allows for easy integration with different development environments. Clang has gained significant popularity in recent years due to its performance, compatibility, and focus on providing high-quality error messages to aid developers in catching potential bugs.
  • Valgrind: Valgrind is a powerful debugging and profiling tool for C programs. It helps detect memory leaks, incorrect memory accesses, and other runtime errors, contributing to the overall stability and reliability of the code. Valgrind operates by running the program through a virtual machine, enabling it to analyze and monitor memory usage and behavior. It has a wide range of features, including memory profiling, heap analysis, and call graph generation. Valgrind has been instrumental in identifying and resolving numerous bugs in C programs, making it an invaluable tool for developers.
  • Doxygen: Doxygen is a documentation generator tool widely used for C projects. It automatically extracts comments from source code and generates comprehensive documentation in various formats, such as HTML and PDF. Doxygen helps improve code maintainability by providing clear and up-to-date documentation that can be easily navigated. It supports various programming languages, including C, and allows for customization through configuration files. Doxygen has been adopted by numerous open-source projects and is highly regarded for its ability to streamline the documentation process.
  • CMake: CMake is a cross-platform build system and configuration tool specifically designed for C and C++ development. It simplifies the process of building and managing complex projects by generating platform-specific build files (e.g., makefiles or Visual Studio project files) from a single, unified configuration script. CMake supports a wide range of platforms and compilers, making it highly versatile. Its easy-to-use syntax and extensive documentation have contributed to its widespread adoption in the C development community.

Soft skills of a C Developer

Soft skills are essential for a C Developer as they complement the technical expertise and contribute to their overall success and effectiveness in their role.


  • Communication: Ability to effectively communicate with team members and stakeholders to understand requirements and convey ideas in a clear manner.
  • Problem-solving: Aptitude for analyzing and resolving issues by applying logical thinking and troubleshooting techniques.
  • Collaboration: Willingness to work collaboratively with team members, seeking assistance when needed and contributing to a positive team environment.
  • Time management: Ability to prioritize tasks, manage deadlines, and efficiently utilize time to meet project milestones.
  • Adaptability: Flexibility to adapt to changing requirements, technologies, and work environments, demonstrating a willingness to learn and grow.


  • Leadership: Capability to take ownership of tasks, guide junior developers, and make informed decisions to drive project success.
  • Teamwork: Proficiency in working effectively within a team, fostering collaboration, and promoting a supportive work environment.
  • Attention to detail: Strong focus on accuracy and precision, ensuring code quality and minimizing errors.
  • Critical thinking: Ability to evaluate complex problems, analyze different perspectives, and propose innovative solutions.
  • Mentoring: Willingness to mentor and share knowledge with junior team members, promoting their growth and development.
  • Customer service: Understanding the importance of delivering solutions that meet customer needs and providing excellent support.
  • Conflict resolution: Skill in resolving conflicts and managing disagreements within the team in a constructive and professional manner.


  • Project management: Proficiency in managing large-scale projects, coordinating resources, and ensuring timely delivery.
  • Strategic thinking: Ability to align the development efforts with business objectives, identifying opportunities for improvement and innovation.
  • Decision-making: Skill in making informed decisions, considering various factors such as technical feasibility, resource allocation, and impact on project goals.
  • Presentation skills: Capability to effectively present complex technical concepts to both technical and non-technical stakeholders.
  • Negotiation: Proficiency in negotiating project requirements, timelines, and resources with stakeholders to achieve mutually beneficial outcomes.
  • Change management: Ability to handle and adapt to organizational changes, guiding the team through transitions effectively.
  • Continuous learning: Commitment to staying updated with the latest technologies, industry trends, and best practices in C development.
  • Empathy: Understanding the perspectives and needs of team members, stakeholders, and end-users, fostering a positive and inclusive work environment.

Expert/Team Lead

  • Strategic leadership: Proficiency in setting the technical direction, defining goals, and motivating the team towards achieving them.
  • Influence: Ability to inspire and influence team members, stakeholders, and senior management to support project objectives.
  • Conflict management: Skill in resolving conflicts and managing complex issues, balancing the needs of different stakeholders.
  • Resource management: Capability to effectively allocate and manage resources, optimizing productivity and ensuring efficient project execution.
  • Risk management: Aptitude for identifying and mitigating potential risks, ensuring project success and minimizing adverse impacts.
  • Business acumen: Understanding the business context and aligning technical decisions with organizational goals and strategies.
  • Strategic partnerships: Ability to build and maintain strategic relationships with clients, vendors, and other external stakeholders.
  • Thought leadership: Demonstrating expertise in C development through publications, conference presentations, and industry contributions.
  • Performance management: Skill in evaluating and providing feedback to team members, fostering their professional growth and development.
  • Quality assurance: Proficiency in implementing quality assurance processes and standards to ensure high-quality deliverables.
  • Innovation: Encouraging and driving innovation within the team, exploring new technologies and approaches to enhance project outcomes.

TOP 11 Facts about C

  • C is a general-purpose programming language that was developed in the early 1970s by Dennis Ritchie at Bell Labs.
  • C is one of the most widely used programming languages in the world, known for its efficiency, flexibility, and portability.
  • Many popular programming languages, such as C++, Java, and Python, have been influenced by C’s syntax and features.
  • C is a compiled language, meaning that it needs to be translated into machine code before it can be executed.
  • It is known for its low-level capabilities, allowing direct manipulation of memory and hardware resources.
  • C is highly efficient in terms of execution speed and memory usage, making it suitable for applications that require optimal performance.
  • The C standard library provides a rich set of functions for performing various operations, such as input/output, string manipulation, and mathematical calculations.
  • Being a procedural language, C follows a structured approach to programming, emphasizing modular design and step-by-step execution.
  • C has been used to develop a wide range of software applications, including operating systems, device drivers, embedded systems, and even modern video games.
  • Despite being over four decades old, C remains relevant and widely used today, proving its resilience and enduring popularity in the ever-evolving field of programming languages.
  • Learning C can provide a solid foundation for understanding the fundamentals of programming and can open doors to various career opportunities in software development and computer engineering.

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