Builds low-level systems software, libraries and embedded code in C.

Entry

Intermediate

Coding

Very High

Key skills

CPointers & memory managementData structuresPOSIX / Linux APIs

Common progression

  1. C Developer
  2. Senior Software Engineer

Career overview

The C Developer writes low-level systems software, libraries, kernels modules and embedded code where direct memory control and performance are essential. C remains foundational: operating systems, databases engines, firmware and IoT all rely on it. The role leads to senior software engineering, C++ development or embedded development.

Main responsibilities

  • Write, test and review production code
  • Develop embedded software for devices
  • Write unit and integration tests
  • Refactor legacy code and reduce technical debt
  • Keep technical documentation up to date
  • Build and maintain CI/CD pipelines
  • Mentor junior team members and review their work
  • Prepare and execute change requests in production
  • Analyse application logs to identify root causes
  • Automate recurring tasks with scripts

Technical skills

C92%
Pointers & memory management90%
POSIX / Linux APIs82%
Data structures85%
Debugging (gdb)82%
Make / CMake80%
Concurrency (pthreads)75%
Unit testing70%
Git80%
Assembly basics65%

Technologies

CGCCClangMakeCMakegdbValgrindLinuxPOSIXGitDoxygenCUnitYoctoFreeRTOSLinker scriptsperfstraceLLVMEmbedded toolchains

Education level

Education requirements vary depending on the company, country and experience. Professional experience, certifications and technical skills can sometimes compensate for formal education.

High School / Bac

Less common

Bac+2 (2-year degree)

Less common

Bac+3 (Bachelor)

Common entry point

Bac+5 (Master / Engineering)

Common entry point

Experience & coding level

Experience level

Entry LevelJuniorIntermediateSeniorExpert

Coding level

No codingLowMediumHighVery High
Technical difficulty85%

Useful certifications

Certifications are never mandatory. They are one way among others to prove a skill.

  • C Programming Language Certified Associate (CLA)
  • Linux Foundation Certified Engineer
  • Embedded Systems Certificate

Where can this career take you?

Multiple paths are possible. Click a role to open its profile.

Direct progression

C DeveloperSenior Software Engineer
Where Can Your IT Career Take You?

Where can you go next?

Realistic next career moves, with compatibility and a transition roadmap for each.

Overlap: 57% · Difficulty: Easy

Skills to learn: C++ (modern), STL & templates, Design patterns

View roadmap

Overlap: 39% · Difficulty: Easy

Skills to learn: C / C++ for embedded, Microcontrollers (ARM/ESP), RTOS (FreeRTOS)

View roadmap

Overlap: 37% · Difficulty: Medium

Skills to learn: Firmware architecture, Bootloaders / BSP, Device drivers

View roadmap

Where can you go from here?

A typical progression built from real career relationships. Click any role to open its profile.

  1. C Developer
  2. Senior Software Engineer
Soft skills
  • Rigour and attention to detail
  • Patience with users
  • Problem solving
  • Analytical thinking
  • Attention to detail
  • Autonomy

Related resources

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