Senior C++ Developer (Contract)

Instil

Belfast, Northern Ireland, United Kingdom Remote contract

Posted: February 26, 2026

Required Skills

Job Description

We are looking for a Senior C++ Developer with strong experience in Linux-based development environments and Microservices architecture. This role involves designing and building high-performance, scalable services in a distributed system, with a focus on reliability, maintainability, and performance on an embedded device.

Key Responsibilities

• Design, implement, and maintain C++ services in a microservices-based architecture.

• Develop and debug software in Linux environments, including scripting and system-level programming.

• Collaborate with cross-functional teams to define APIs, service contracts, and deployment strategies.

• Optimize system performance and ensure high availability in distributed systems.

• Contribute to CI/CD pipelines and automated testing frameworks.

• Participate in code reviews, architecture discussions.

• Ensure compliance with security, quality, and performance standards.

Required Skills and Experience

• 7+ years of professional experience in C++ (C++14/17/20).

• Experience developing and debugging in Linux environments (e.g., shell scripting, system calls, process/thread management).

• Solid understanding of microservices architecture, RESTful APIs, and service orchestration.

• Experience with containerization and orchestration tools (Docker).

• Familiarity with inter-process communication (IPC), message queues, and gRPC.

• Proficiency in version control (Git) and CI/CD tools (e.g., Jenkins, GitLab CI).

• Experience with other languages (e.g., Python, Go).

• Strong analytical and debugging skills.

Location Requirements

This role is fully remote within the UK. Therefore, candidates can be based anywhere in the United Kingdom.

Equality

Instil is an equal opportunity employer and values diversity at our company. We are committed to equality of opportunity for all staff. Applications from individuals are encouraged regardless of age, disability, gender reassignment, marriage and civil partnership, pregnancy and maternity, race, religion or belief, sex, and sexual orientation.

We also strive to make our recruitment process fair and accessible to all. If you require any adjustments or accommodations at any stage, please let us know. We’re happy to have a confidential conversation to ensure the process meets your needs, because we know that every candidate’s journey is different.

#InstilCareers #LI-PR1

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