Software Engineer, Agentic Infrastructure (Mid-Level)

Mirantis; Poznań; On-site; PLN 60,000 - 80,000; Full time

Benefits offered by this job

Competitive compensation

Professional development opportunities

Customized workstation

Job summary

A leading cloud infrastructure company in Poland is looking for an experienced Software Engineer specializing in Agentic Infrastructure. This mid-level role involves mentoring junior developers and contributing to AI-driven solutions using languages like Go, Rust, and Python. With a strong focus on collaboration and open-source community engagement, you'll be part of an innovative team delivering scalable infrastructure across various environments. The position offers competitive compensation and professional growth opportunities.

Qualifications

• 3+ years of software development experience.
• Experience using AI‑powered coding tools.
• Comfort with Linux, Git, and CI/CD.

Responsibilities

• Implement and iterate on features for agentic/AI infrastructure services.
• Write readable, tested code and participate in reviews.
• Help containerize, deploy, and troubleshoot services on Kubernetes.

Skills

Proficiency in Go

Proficiency in Rust

Proficiency in Python

Experience building APIs

Hands-on with Docker

Familiarity with Kubernetes

Problem-solving capabilities

Tools

Docker

Kubernetes

Prometheus

Grafana

Job description

Software Engineer, Agentic Infrastructure (Mid-Level)

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Company Description

Mirantis is the Kubernetes-native AI infrastructure company, enabling organizations to build and operate scalable, secure, and sovereign infrastructure for modern AI, machine learning, and data-intensive applications. By combining open source innovation with deep expertise in Kubernetes orchestration, Mirantis empowers platform engineering teams to deliver composable, production-ready developer platforms across any environment—on‑premises, in the cloud, at the edge, or in sovereign data centers. As enterprises navigate the growing complexity of AI‑driven workloads, Mirantis delivers the automation, GPU orchestration, and policy‑driven control needed to manage infrastructure with confidence and agility. Committed to open standards and freedom from lock-in, Mirantis ensures that customers retain full control of their infrastructure strategy.

Job Description

We are seeking an exceptional Software Engineer, Agentic Infrastructure (Mid-Level) to join our Agensys team. As a seasoned developer with a passion for open source communities, you will be responsible for leading by example in the development process, mentoring junior developers, and fostering positive relationships within open source ecosystems. Your technical expertise in AI/ML, Agentic workflows and protocols, Python, Golang, Rust, Kubernetes, and related technologies will be instrumental in shaping the direction of the Agensys project.

Responsibilities

• Feature delivery: Implement and iterate on well‑scoped features for agentic/AI infrastructure services.
• Code quality: Write readable, tested code and participate in reviews; help improve our CI/CD and developer experience.
• Design collaboration: Join design discussions and RFCs; provide feedback and propose pragmatic solutions.
• Operations: Help containerize, deploy, and troubleshoot services on Kubernetes.
• OSS collaboration: Triage issues, reproduce bugs, contribute patches, and engage respectfully with contributors/users.
• Documentation: Add and maintain user and developer docs for the areas you touch.

Qualifications

Basic Qualifications

• 3+ years of software development experience.
• Proficiency in at least one of: Go, Rust, or Python.
• Experience building and consuming APIs (REST and/or gRPC).
• Hands‑on with containers (Docker) and Kubernetes fundamentals (pods, deployments, services, ingress).
• Familiarity with distributed systems concepts (concurrency, messaging, retries, idempotency).
• Comfort with Linux, Git, and modern CI/CD.
• Experience using AI‑powered coding tools (e.g., Cursor, Claude Code, Cline, Aider.chat).
• Clear communication and collaborative working style.
• Strong interpersonal, communication and collaboration skills.
• Problem‑solving capabilities with proven ability to diagnose and resolve complex technical issues.

Highly Desirable

• Exposure to agentic workflows, autonomous agents, Model Context Protocol (MCP), and serverless AI functions.
• Experience with GPU‑based workloads or inference systems.
• Familiarity with Kubernetes add‑ons (CNI/CSI) and tooling; Cluster API exposure is a plus.
• Observability experience (Prometheus, Grafana) for monitoring and troubleshooting.
• Contributions to open source projects (any level); experience with operators or client libraries is a plus.
• Polyglot mindset and willingness to learn new languages as needed.

Additional Information

• Work with an established Silicon Valley leader in the cloud infrastructure industry.
• Work with exceptionally passionate, talented and engaging colleagues, helping Fortune 500 and Global 2000 customers implement next‑generation cloud technologies.
• Be a part of cutting‑edge, open‑source innovation.
• Thrive in the high‑energy environment of a young company where openness, collaboration, risk‑taking, and continuous growth are valued.
• Professional development and training.
• Attend conferences and working groups.
• Customized workstation (macOS, Windows).
• A competitive compensation package with strong benefits plan and stock options.

It is understood that Mirantis, Inc. may use automated decision‑making technology (ADMT) for specific employment‑related decisions. Opting out of ADMT use is requested for decisions about evaluation and review connected with the specific employment decision for the position applied for. You also have the right to appeal any decisions made by ADMT by sending your request to [email protected].

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