Software Developer C and Linux

System Recruitment; Pennington; On-site; GBP 60,000 - 65,000; Full time

Job summary

System Recruitment is seeking an experienced C/Linux Software Developer for a hybrid role near Lymington. You will work on Linux-based applications, build systems, and security-focused identity/authentication features.

The position involves hands-on coding in C, using Autotools, LDAP/AD, Terraform/OpenTofu, and API design considerations to deliver robust services.

Qualifications

• Experience developing application code in C on Linux.
• Working with Linux build systems, (mainly Autotools).
• LDAP / Active Directory integration (e.g. via OpenLDAP's libldap)
• Terraform/OpenTofu for automated provisioning and cloud tooling
• Ability to design and implement APIs with defensive input handling

Skills

C

Linux

Autotools

LDAP

Active Directory

Terraform

OpenTofu

API

Software Developer

Software Engineer

Tools

OpenAPI (Swagger)

Job description

A leading tech company specialising in data management have an immediate requirement for an experienced C/Linux Software Developer.

Key Skills: Software Developer, Software Engineer, C, Linux, Autotools, LDAP, Active Directory, Terraform, OpenTofu, API

Location: Hybrid but must be able to reach the office near Lymington - SO41 9AZ

Salary: 60,000 - 65,000 + benefits

Essential Skills

• Experience developing application code in C on Linux
• Working with Linux build systems, (mainly Autotools)

Identity & Authentication knowledge:

• LDAP / Active Directory integration (e.g. via OpenLDAP's libldap)
• OpenID Connect / OAuth 2.0 (e.g. via liboauth2)
• Understanding of credential handling, token validation, and session management
• Awareness of identity-related security concerns (trust boundaries, configuration errors, credential leakage)

Automated Deployment:

• Experience with automated provisioning (e.g. Terraform/OpenTofu)
• Familiarity with common cloud platforms and virtualisation environments (e.g. AWS, Azure, OpenStack, VMware)
• Exposure to cloud-init or equitant system initialisation frameworks and how they operate at a low level
• Understanding of secure configuration delivery and deployment auditability of newly provisioned systems

API Design & Implementation (maybe):

• Experience / Familiarity with:
  • Working with OpenAPI (Swagger) specifications to define service interfaces
  • Implementing APIs in C or similarly low-level environments, without reliance on full-stack frameworks
  • Designing for defensive input handling and error management