Photo of Peter Bangert

Peter Bangert

Senior Platform Engineer · Berlin, Germany | Detroit, Michigan

I build and operate large-scale infrastructure platforms. My work spans Kubernetes, bare-metal environments, low-latency networking, and systems programming in Rust.

Detroit Tigers Detroit sports fan

Experience

Senior Platform Engineer, Full-Time · Stelia Ltd

2025 – Present · Berlin, Germany
  • Building a GPU PaaS/IaaS from the ground up
  • Lead engineer for Kubernetes Operator development using a full Rust stack
  • Built a NUMA/CPU topology-aware GPU compute instance service
    • Upstreamed a change to the Kubernetes Topology Manager to balance CPUs across sockets and pack them by L3 cache. Submit patches to cloud-init, virtiofsd, Kamaji
    • Submitted presentations to Open Source Summit and Cloud Native AI Paris; presenting at the Leaseweb AI Summit
  • Built a managed Kubernetes service using the Kamaji control plane and the GPU instance service
  • Building managed inference with vLLM, the llm-d proxy, and RoCE RDMA
  • Built NAT gateway, firewall, and L4 load-balancer services with IPVS Maglev hashing; exploring eBPF Unimog
  • Managing the observability stack, GitHub Actions CI/CD pipeline, OS image build platform, and Flux GitOps
  • Operating Rook Ceph for block, object, and shared filesystem storage
  • Provisioning servers through BMC/PXE boot configuration and coordinating hardware delivery

Network Engineer · Scalable Capital

Sep 2024 – Jul 2025 · Berlin · Hybrid
  • Designed and operated secure network connectivity with financial partners, exchanges, and banks
  • Delivered a six‑figure cost‑saving initiative centralizing organization‑wide ingress and egress traffic
  • Improved security posture through unified traffic filtering and monitoring, supporting BaFin audits

Cloud Engineer · Scalable Capital

Apr 2023 – Oct 2024 · Berlin
  • Built and operated cloud infrastructure for a large‑scale mobile brokerage and wealth management platform
  • Worked extensively with AWS and Terraform to manage production environments

Graduate Research Assistant · Technische Universität Berlin

Mar 2022 – Apr 2023 · Berlin
  • Conducted research in low‑latency networking and kernel bypass frameworks
  • Worked on RDMA‑based congestion control and AI‑assisted optimization of MPLS stacks

Platform Engineer · Adjust

Jun 2019 – Mar 2022 · Berlin
  • Maintained Gentoo‑based infrastructure spanning 1300+ bare metal servers
  • Developed and operated internal Perl‑based infrastructure‑as‑code tooling
  • Worked with Kafka, Postgres, Nginx, Ceph, Aerospike, Flink, and DNS systems

Education

M.Sc. Computer Science

2020 – 2022 · GPA: 1.3 Thesis: “Reactive vs Proactive Distributed Stream Processing Autoscaling Solutions”
Constructed a Flink/Spark cloud autoscaler titled TidalScale utilizing machine-learning time-series prediction for load forecasting. Built on Kubernetes.

B.Sc. Computer Science

2016 – 2020 Thesis: “Analysis of Classical and ML based Adaptive Video Streaming Algorithms”
NS-3 based evaluation of deep-learning HTTP adaptive video streaming approaches.