33 jobs for “Blockchain Protocol Engineer”
Blockchain.com London
Runs, analyses and improves automated liquidity strategies on a market-making desk, tuning parameters as market conditions change. Sits between trading, quantitative research and sales, meeting clients and sourcing new business while coding in Python, Rust and/or SQL. Based in a compact London team covering DeFi, market making and yield strategies.
Blockchain.com London
Runs, analyses and develops automated market-making strategies providing liquidity across CEX and DEX order books and AMM structures. Monitors live strategies, tunes parameters like spreads and inventory limits, and performs post-trade analytics in Python and SQL, building dashboards for trading KPIs. Sits between trading, data and engineering on a compact desk, with a mandatory four days per week in the London office.
Elliptic London
Lead the product managers behind Elliptic's core compliance portfolio, spanning wallet and transaction screening, continuous monitoring, on-chain investigations and risk configuration. A player-coach role reporting to the VP of Product, it also drives the product side of an agentic compliance programme, building AI capabilities with auditability and explainability designed in from the start.
Chainalysis United Kingdom
Technical lead across the full customer journey, running discovery, demos and proofs of value with Sales, then owning post-sale configuration, deployment and tuning of blockchain analytics products. Works directly with banks, exchanges and payment processors on compliance, investigations and risk workflows, feeding field insights back to Product and Engineering.
Elliptic London
Owns the vision and roadmap for Real-time Risk solutions, building scalable capabilities that detect financial crime as it happens and alert customers when activity crosses risk thresholds. Works closely with Engineering and Design on complex analytics trade-offs, partners with Marketing, Sales and Customer teams on go-to-market, and acts as subject matter expert for Real-time Risk.
Fireblocks United Kingdom
Partner with Sales Directors and BDRs to run product demos, workshops and Proofs of Concept, designing technical solutions that integrate Fireblocks' MPC wallet infrastructure and APIs into clients' digital asset operations. Lead technical RFP responses and present to C-level stakeholders across banking, fintech and Web3, feeding customer insight back to Product, R&D and Security teams.
Robinhood London
Build and run the AWS infrastructure behind crypto custody, key management and blockchain node operations, writing Python services for wallet operations and owning third-party custodian integrations. The role sits at the boundary of infrastructure and security, covering Kubernetes and Docker deployments, Terraform/Ansible automation, and Prometheus/Grafana monitoring, with on-call rotation. Based in London with at least three days a week in office.
Kraken United Kingdom
Owns the product for Kraken's financial-crime investigation platform, covering alert ingestion, enrichment, grouping and suppression, case management and investigator tooling. Works closely with the FIU and engineering to make auditability, data lineage and human-in-the-loop AI controls first-class requirements, then extends the platform across Compliance Operations.
BCB Group London
Lead a globally dispersed team of 10+ analysts owning transaction monitoring across fiat and crypto, covering rules, thresholds, alert triage, investigations, escalations and SAR reporting. The role drives automation, AI-assisted review, blockchain analytics and QA frameworks, reporting to the Head of Financial Crime Operations.
