6 days ago
Remote, Poland or Warsaw, PolandSenior
Responsibilities
- Design, build, and maintain production-grade control plane microservices, custom Kubernetes operators, and reconciliation engines in Rust and Go.
- Author functional and non-functional requirements, architectural specifications, system sequence diagrams, and gRPC/Protobuf and REST API schemas.
- Develop integrations for SONiC, NVUE, Cumulus, and modern DPU hardware platforms.
- Instrument distributed services with OpenTelemetry traces and metrics and perform root-cause analysis across polyglot systems.
- Participate in review-gated pull request workflows and maintain high test coverage through mock-driven testing.
- Contribute to open-source systems projects and participate in cross-functional architecture and design reviews.
Requirements
- Bachelor’s or master’s degree in Computer Science, Computer Engineering, or equivalent practical experience.
- At least 5 years of software engineering experience in cloud-native platforms, systems programming, networking, or infrastructure automation.
- Primary mastery of Rust, including Tokio, Tonic, Axum, and sqlx, plus strong proficiency in Go.
- Advanced SQL and PostgreSQL experience, including gRPC/Protobuf contract design and schema evolution.
- Strong knowledge of asynchronous concurrency, lock-free patterns, distributed state handling, and mock-driven testing.
- Expertise in BGP, MP-BGP, EVPN, VXLAN, L3VNI, route targets, and route server design.
- Hands-on experience with SONiC, Cumulus Linux, and NVUE, including the NVUE client.
- Deep knowledge of NVIDIA DOCA, Host-Based Networking, BlueField DPU architectures, and the DPF operator model.
- Understanding of InfiniBand, NVLink, NMX-M partitioning, and RoCEv2 fabrics.
- Advanced Linux networking knowledge, including netlink, network namespaces, routing tables, and DHCP/DNS service implementations.
- Familiarity with Calico or Cilium CNI plugins; OVS and DPDK experience is a plus.
- Expertise in PXE/iPXE, UEFI, Secure Boot, measured boot, and TPM attestation.
- Proficiency with Redfish, IPMI, BMC abstractions, and heterogeneous Dell, Lenovo, and NVIDIA reference hardware.
- In-depth knowledge of Linux boot chains, systemd, initramfs, and BIOS configuration matrices.
- Practical experience with PKI, X.509 certificates, TLS, SPIFFE/SVID, Vault, KMS, Keycloak, OAuth2/JWT, and RBAC.
- Experience with KubeVirt, KVM, and custom Kubernetes controllers or operators using kube-rs or controller-runtime.
- Demonstrated participation in or maintainership of open-source systems projects is preferred.
Benefits
- Professional development and training.
- Opportunities to attend conferences and working groups.
- Company outings, happy hours, hackathons, and tech talks.
- Work with open-source infrastructure technologies and experienced colleagues serving Fortune 500 and Global 2000 customers.
- Competitive compensation package with a strong benefits plan.
Tech Stack
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