Protocol engineering
Smart contracts, L2 execution, sequencers, and cryptographic protocols. MEV-aware by default. Formal review before mainnet.
View protocol engineering
uncompromising software development studio
Solidity · Rust · Go · TypeScript · Kubernetes · Cilium · Argo CD · Terraform · PyTorch · vLLM · CUDA · Ray · Foundry · Cosmos SDK · Substrate · Ethereum · Solana · Zero-knowledge · TEEs · gRPC · WASM · PostgreSQL · Kafka · ClickHouse · Nix · OpenTelemetry · Helm · Istio · Prometheus
01Expertise
Smart contracts, L2 execution, sequencers, and cryptographic protocols. MEV-aware by default. Formal review before mainnet.
View protocol engineeringCustom training pipelines, agent runtimes, and GPU inference. Models wired into settlement and control planes so they cannot drift out of policy.
View applied intelligenceMulti-region clusters, GitOps, network policy, and observability you can explain to an incident commander at 04:00.
View platform engineeringVaults, AMMs, settlement, and intent flows reviewed as if every function selector is an attack surface. Because it is.
View smart contract workGPU pools with autoscaling, tenancy, and p99 budgets. Inference sits behind the same SLO as the sequencer.
View inference workTraces, SLOs, chaos drills, and runbooks. If you cannot see the blast radius, you do not operate the system.
View observability work03 — Mission
The chain, the model, and the cluster share a fate. We design them as one system — or they fail as three.
04Why SABTER
SABTER.DEV is a software studio for crypto-native intelligence and the platforms that keep it honest. One delivery workflow across protocol, models, and cluster.
The chain, the cluster, and the model are adversarial. We design as if they are lying — because eventually they will.
Protocol, intelligence, and platform are not three vendors. They are designed as one system, or they fail as three.
We will not ship a mainnet path, an inference gateway, or a cluster control plane that has not been made to fail on purpose first.
Dashboards, budgets, and runbooks are part of done. If only the happy path works, it is not finished.
Handover is not a PDF. We remain for the first real pages — then we leave a system, not a slide deck.
Transparent progress. You always know what is shipping, what is still hostile, and what is waiting on a constraint.
Need a team that can handle protocol + intelligence + cluster in one delivery workflow?
Strategy, architecture, build, and operate — including agent runtimes bound to settlement.
05Engagement
/ 01
Constraints first. Adversary, failure domain, data classification, and what “done” means when the network is lying to you.
/ 02
Protocols, cluster topology, model boundaries. We draw the blast radius before we write the interesting code.
/ 03
Production code, property tests, load, and chaos. If it only works on a happy path, it is not finished.
/ 04
Handover with dashboards, budgets, and runbooks. We stay for the first real incidents — then we leave a system, not a demo.
Cluster
Inference jobs, sequencers, and indexers share a fate. We design namespaces, network policy, and GitOps paths as if the next page is an incident report — because eventually it is.
namespace/sabter · 6/7 ready
Argo CD and Nix so production is a git history, not a SSH session.
Cilium identities, default-deny, and east-west that a protocol can reason about.
Traces, SLOs, and chaos drills before mainnet — not after the war room.
06Domains
Intelligent software for each surface — exchanges, L2s, issuers, operators, and funds.
Extend your potential
Quality leaders, accountable delivery. Scale a roadmap across protocol, intelligence, and cluster — as one team, on one standard.
07Featured work
BLOCK 1,848,291
0.82s
0x7f3a91c2e8…
18 txs · 2.0s slot
BLOCK 1,848,290
0.91s
0x19bb04d1a6…
11 txs · 2.0s slot
BLOCK 1,848,289
0.77s
0xc4e0aa17f3…
24 txs · 2.0s slot
BLOCK 1,848,288
1.04s
0x02d9fe6b40…
9 txs · 2.0s slot
Matching, vaults, and finality paths built for adversarial mempools.
View case studyBlock production, gossip, and failover that survive partition.
View case studyinference graph · 4 layers
GPU pools with autoscaling, tenancy, and p99 budgets.
View case studyinference graph · 4 layers
Tool-using systems with policy, tracing, and human gates.
View case studyReorg-aware indexers, streams, and analytical stores.
View case studynamespace/sabter · 6/7 ready
Signed delivery from commit to cluster, with break-glass.
View case study08Stack
Boring where it should be boring. Sharp where the problem is sharp. We pick for operability, not for the conference circuit.
09Clients
From engagement notes — protocol, infrastructure, and product leads who had to live with what shipped.
“They treated the mempool as the adversary. The vault went to mainnet without a surprise upgrade key sitting in someone’s laptop.”
Head of protocol
L2 team
“Inference sat behind the same SLO as the sequencer. That was the first time a model didn’t scare ops.”
Infrastructure lead
Validator operator
“Weekly demos, no theatre. We always knew what was shipping and what was still hostile.”
Product owner
DeFi protocol
10FAQ
11Brief
Tell us the constraint, not the pitch. Hostile assumptions welcome. We reply to briefs that name a real system — chain, model, or cluster.
studio@sabter.dev
Frankfurt · remote-first