Senior Rust Engineer - On-Chain Security Infrastructure
Location: Remote - Europe
Compensation: $165K - $200K
We are building a
Credible Layer
—a step-level improvement for
on-chain security
designed to safeguard the crypto industry and restore credibility after billions were lost to hacks. We are creating an on-chain protocol and off-chain infrastructure that enables protocols to enforce security rules for every transaction. Backed by world-class investors, we are seeking a
Senior Rust Engineer
to work on bleeding-edge infrastructure at the heart of our mission.
You will play a crucial role in shipping cutting-edge features that extend the EVM (Ethereum Virtual Machine) to enable security rules to be checked after every state transition. This is a high-impact, deeply technical role requiring expertise in performance optimization and low-level systems programming within a collaborative, fast-iteration environment.
Key Responsibilities:
Feature Ownership:
Design, drive, and own complex features throughout the whole lifecycle with a strong focus on
performance and benchmarking
.
EVM Extension:
Focus particularly on
extending the EVM
with security-focused precompiles or improving its performance with
parallel processing optimizations
.
Engineering Excellence:
Drive fast iteration cycles, maintain robust testing practices, and consistently raise the bar for others with high-impact, well-documented contributions.
Collaboration:
Collaborate effectively across teams, context-switching efficiently between delivering features, bug fixing, and reviewing work.
Roadmap Contribution:
Share innovative ideas to contribute actively to the team roadmap and overall product direction.
Core Expertise:
Proven track record
of shipping and maintaining complex and performant




Rust code
to production.
Language Depth:
A
deep understanding of the Rust language and ecosystem
.
EVM Knowledge:
Deep understanding of the
Ethereum ecosystem
, particularly the
EVM and the Execution layer
.
Systems Programming:
Strong background in
low-level system programming
and relevant optimizations, such as parallel computing architectures, profiling, and memory management.
Mindset:
Strong sense of
ownership
, a passion to improve existing systems, and the ability to work
autonomously
and solve problems independently.
Communication:
A collaborative and self-driven individual with excellent communication skills.
Preferred Experience (Nice-to-Haves):
Experience in
MEV infrastructure
(e.g., Block Builders), HFT systems, Real-time data processing, or Ethereum client development (preferably Reth/Revm).
Knowledge of Blockchain architectures (Ethereum Rollups, Mainnet) and their components (consensus, networking, etc.).
Familiarity with SRE practices, observability tools, database optimizations, lock-free algorithms, and concurrent data structures.
Impact:
Deeply impactful work for the entire industry
, solving one of the most challenging topics in Web3 (proactive hack prevention).
Ownership:
Be part of the founding team, serving as the
owner of your projects
and building them from the ground up.
Flexibility:
Remote-first




work environment, with a hub available in NYC.
Time Off:
Adaptable PTO
.
Equipment & Events:
Provided with a
New MacBook
and coverage for major industry conferences and events.
Culture:
Join a team that cares deeply about the space and embraces a fun, passionate work environment.
Due to the high volume of applications we anticipate, we regret that we are unable to provide individual feedback to all candidates. If you do not hear back from us within 4 weeks of your application, please assume that you have not been successful on this occasion. We genuinely appreciate your interest and wish you the best in your job search.
Commitment to Equality and Accessibility:
At MLabs, we are committed to offer equal opportunities to all candidates. We ensure no discrimination, accessible job adverts, and providing information in accessible formats. Our goal is to foster a diverse, inclusive workplace with equal opportunities for all. If you need any reasonable adjustments during any part of the hiring process or you would like to see the job-advert in an accessible format please let us know at the earliest opportunity by emailing ******.
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📌 Senior Rust Engineer (Málaga)
🏢 MLabs
📍 Málaga