Blockchain Developer | Trading Technology
We are working with one of the highest-performing block builders in the Ethereum ecosystem, responsible for nearly 50% of daily block flow. This venture-backed, revenue-generating firm is building the next generation of infrastructure and services for Ethereum, with a focus on MEV (Maximal Extractable Value) and low-latency block-building systems.
With a collaborative, flat-structured team based in a new London HQ, they are scaling rapidly and offer a unique opportunity to work on some of the most technically challenging problems in blockchain today.
Role Overview
As a Blockchain Engineer, you will play a key role in designing and building high-performance infrastructure for Ethereum. You'll work on entirely greenfield projects, contribute to scaling sequencing capabilities, and help shape the future of decentralised finance infrastructure.
Key Responsibilities
- Build ultra-low-latency blockchain infrastructure from the ground up
- Design and implement high-throughput systems for block building and MEV
- Collaborate closely with a small, high-impact engineering team
- Take ownership of projects from design through to deployment
- Contribute to the development of Ethereum infrastructure at scale
Requirements
- Strong engineering background with a systems focus
- Experience with Rust or similar low-level languages
- Proven ability to drive greenfield projects end-to-end (design, architecture, implementation)
- Experience with L1/L2 blockchain infrastructure or protocol-level development
- Familiarity with MEV, testnet setup, node operations, or smart contract workflows
- Strong system design and backend/distributed systems experience
- Understanding of blockchain fundamentals and Ethereum architecture
- Self-starter with a high degree of autonomy and ownership
- Comfortable working in fast-paced, ambiguous environments
- Fast learner with the ability to ramp up in unfamiliar domains
What's on Offer
- Competitive base salary, profit sharing cash bonus, and equity
- Full relocation support and visa sponsorship
- New offices in central London
- Collaborative, non-hierarchical team culture
- Opportunity to work on high-impact, high-scale blockchain systems
Apply Now!
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