Senior/Principal Go System Level Developer

Hello, let’s meet!

We are Xebia – a place where experts grow. For nearly two decades now, we’ve been developing digital solutions for clients from many industries and places across the globe. Among the brands we’ve worked with are UPS, McLaren, Aviva, Deloitte, and many, many more.

We’re passionate about Cloud-based solutions. So much so, that we have a partnership with three of the largest Cloud providers in the business – Amazon Web Services (AWS), Microsoft Azure, and Google Cloud Platform (GCP). We even became the first AWS Premier Consulting Partner in Poland.

Formerly we were known as PGS Software. In 2021, we joined Xebia Group – a family of interlinked companies driven by the desire to make a difference in the world of technology.

Xebia stands for innovation, talented team members, and technological excellence. Xebia means worldwide recognition, and thought leadership. This regularly provides us with the opportunity to work on global, innovative projects.

Our mission can be captured in one word: Authority. We want to be recognized as the authority in our field of expertise.

What makes us stand out? It’s the little details, like our attitude, dedication to knowledge, and the belief in people’s potential – emphasizing every team members development. Obviously, these things are not easy to present on paper – so, make sure to visit us to see it with your own eyes!

Now, we’ve talked a lot about ourselves – but we’d love to hear more about you.

Send us your resume to start the conversation and join Xebia!

You will be:

• developing system-level storage drivers using Go,

• writing and maintaining custom storage drivers for a cloud platform using LXD and LXC,

• collaborating within an agile team to design and implement a scalable cloud solution,

• working close to the operating system, dealing directly with filesystems, kernels, and container runtimes,

• building and fine-tuning containerized environments, with an emphasis on performance and resource management,

• contributing to and working with open-source technologies and tools.

Your profile:

• at least 4 years of experience in Go, with a strong grasp of Go’s concurrency model,

• 7+ years of software development experience in total,

• expert-level knowledge of Ubuntu system administration,

• 5+ years of experience in system-level programming,

• solid hands-on experience with LXD and LXC containers (not just Docker),

• deep understanding of container-host interactions, including CPU, memory, and disk I/O management,

• practical ability to configure networking, storage devices, and mounts in LXD environments,

• familiarity with version control systems (e.g., Git),

• understanding of how Kubernetes manages memory and storage resources in clusters,

• confident working in and contributing to open-source environments,

• English level: B2–C1.

Nice to have:

• experience setting up or maintaining Kubernetes clusters,

• previous DevOps exposure or mindset,

• you’ve personally run your own K8s cluster or built infrastructure from the ground up,

• experience in C programming.

You’re a great fit if:

• you’re not just a developer — you’re a systems thinker who understands what’s happening under the hood,

• you’re comfortable working close to the metal, directly with low-level components and runtime environments,

• you thrive in environments where performance, scalability, and system integrity matter most.

Recruitment Process

CV review – HR call – Interview – Client Interview – Decision