C Developer

Hydrogen Group; Greater London; On-site; GBP 70,000 - 110,000; Full time

Benefits offered by this job

Competitive salary

Equity in startup

Ownership in product direction

World-class team

Modern tech stack

Team socials & offsites

AI, security, real-world impact

Job summary

Hydrogen Group is sourcing a C++ Developer to help build an edge-computing platform that powers real-time AI for video security.

You will work across a high-performance system, combining software, AI and hardware to deliver fast, reliable vision processing and ML deployment at scale.

Qualifications

• 3+ years of production experience with C++ and Python.
• Experience building and optimising real-time systems.
• Strong debugging and profiling skills using tools like gdb, Nsight, Valgrind, flame graphs.
• Familiarity with Docker and CI/CD pipelines.

Responsibilities

• Build edge applications that process real-time vision data.
• Develop communication layers for compute-constrained devices.
• Deploy machine learning models into production.
• Optimise performance (latency, memory, GPU pipelines) in C++.
• Enhance observability and telemetry across the platform.

Skills

C++

Python

Real-time systems

Debugging

Tools

Docker

GDB

Nsight

Valgrind

Flame graphs

Job description

We are Hiring: C++ Developer | Build the Future of AI-Powered Video Security

Join our client and help redefine how the world uses video intelligence.

They are transforming video security with a next-generation platform that enables businesses to act faster, investigate smarter, and make better decisions using real-time AI insights. From critical infrastructure to retail and public spaces, we’re on a mission to bring intelligence and usability to surveillance systems.

Backed by $30M in funding and already generating revenue, they are scaling fast and looking for talented engineers to grow with us.

The Role

As a C++ Developer, you will play a key role in building our edge-computing platform, powering our clients Point.

You will be working across a high-performance, real-time system where software meets AI and hardware.

What you will be doing:

• Building edge applications that process real-time vision data
• Developing communication layers for compute-constrained devices
• Deploying machine learning models into production
• Optimising performance (latency, memory, GPU pipelines) in C++
• Enhancing observability and telemetry across the platform

What We Are Looking For

• 3+ years of experience with C++ and Python in production environments
• Experience building and optimising real-time systems
• Strong debugging and profiling skills (e.g. gdb, Nsight, Valgrind, flame graphs)
• Familiarity with Docker and CI/CD pipelines

Bonus points if you have experience with:

• Edge / IoT computing
• Infrastructure management (e.g. Salt)
• Monitoring tools (e.g. Grafana)
• Video processing/streaming (e.g. GStreamer)

Why Join?

• Competitive salary + regular reviews
• Equity in a fast-growing startup
• Real ownership and impact on product direction
• A world-class team (ex-Stanford, Oxford, Zoox, Lyft)
• Modern tech stack and tools
• Team socials, dinners & offsites
• Work at the intersection of AI, security, and real-world impact