Senior Blockchain Security Engineer
Employment: Full-time via MLabs
 Engagement: Contracted to a UAE-based enterprise blockchain / fintech client
 Location: Remote (Eastern Europe / MENA / India preferred)

Job Description
MLabs is hiring a Senior Blockchain Security Engineer to support a large-scale blockchain and financial technology program for a UAE-based enterprise client.
You will be responsible for securing smart contracts, blockchain integrations, and protocol-level components within a custom enterprise blockchain ecosystem. This role requires deep expertise in smart contract vulnerabilities, secure architecture design, and threat modeling in decentralized systems.
The ideal candidate has hands-on experience auditing smart contracts and identifying vulnerabilities in production blockchain environments.

Responsibilities

Senior Blockchain DevOps Engineers
Employment: Full-time via MLabs
Engagement: Contracted to a UAE-based enterprise blockchain / fintech client
Location: Remote (Eastern Europe / MENA / India preferred)

Job Description
MLabs is hiring a Senior Blockchain DevOps Engineer to support a large-scale blockchain and financial technology program for a UAE-based enterprise client.
You will be responsible for deploying, maintaining, and scaling blockchain infrastructure in production environments. This role combines modern DevOps practices with blockchain node operations, automation, and high-availability system design.
The ideal candidate has hands-on experience operating blockchain nodes and managing secure, production-grade infrastructure in distributed environments.

Responsibilities

• Deploy, configure, and maintain blockchain nodes and supporting infrastructure
• Design and manage CI/CD pipelines for blockchain and backend services
• Automate infrastructure using Infrastructure as Code tools
• Ensure high availability, scalability, and security of blockchain systems
• Monitor system performance and troubleshoot distributed environments
• Implement logging, monitoring, and alerting solutions
• Collaborate with protocol, smart contract, backend, and security teams

Requirements

Employment: Full-time via MLabs
Engagement: Contracted to a UAE-based enterprise blockchain / fintech client
Location: Remote (Eastern Europe / MENA / India preferred)

MLabs is hiring a Senior Protocol Engineer to contribute to the core infrastructure of a custom Layer-1 blockchain ecosystem supporting enterprise-grade financial systems.

You will work at the protocol layer, contributing to consensus mechanisms, node architecture, networking, and system-level performance. This role requires deep distributed systems expertise and hands-on experience working on blockchain infrastructure rather than application-layer smart contracts.

The ideal candidate is comfortable operating in performance-critical, security-sensitive environments and contributing to protocol evolution discussions.

Responsibilities

• Design and implement core blockchain protocol components
• Contribute to consensus performance, scalability, and reliability improvements
• Optimize node performance and system-level efficiency
• Work on P2P networking and state synchronization mechanisms
• Identify and mitigate protocol-level vulnerabilities
• Collaborate with smart contract, infrastructure, and backend teams
• Participate in architecture reviews and protocol evolution discussions

Requirements

Employment: Full-time via MLabs
Engagement: Contracted to a UAE-based enterprise blockchain / fintech client
Location: Remote (Eastern Europe / MENA / India preferred)

MLabs is hiring a Senior L2 Engineer to contribute to the design and development of Layer-2 scaling solutions within a custom blockchain ecosystem supporting enterprise-grade financial systems.

You will work on rollup mechanisms, transaction batching, cross-layer communication, and performance optimization between Layer-1 and Layer-2 environments. This role requires strong blockchain systems knowledge with a focus on scalability, execution logic, and security. The ideal candidate has hands-on experience building or contributing to Layer-2 or scaling infrastructure in production environments.

Responsibilities

• Design and implement Layer-2 scaling components
• Contribute to rollup architecture and transaction batching logic
• Develop cross-layer communication and bridging mechanisms
• Optimize throughput and latency across blockchain layers
• Ensure correctness and security of L2 state transitions
• Collaborate with protocol, smart contract, and infrastructure teams
• Participate in architecture discussions and performance reviews

Requirements

Blockchain Indexing Specialist

Location: Can do at least 4 hours overlap between 10am-6pm Brazilian time - Cannot hire in Germany or France

Remote | Full-time

Compensation: Competitive

Our client operates a premier real-time blockchain analytics platform utilized by over 5 million crypto traders every month. As a lean, high-performance team of ten, the organization remains at the absolute core of the rapidly expanding decentralized finance (DeFi) industry.

The organization is seeking a Blockchain Engineer to join the core engineering team. This individual will manage and evolve the indexing layer as the platform scales across hundreds of chains and billions of transactions. The mission is to architect and maintain high-performance indexers that ensure the platform remains the fastest and most reliable data provider in the ecosystem. This role is designed for a specialist who thrives in high-throughput environments and possesses a deep technical understanding of blockchain data structures.

Key Responsibilities

Quant / Trading Engineer

Location: US remote preferred, open to Europe for strong candidates

Compensation: Competitive

We are building a foundational layer for the next generation of financial markets: perpetual markets based on onchain economic activity. Instead of merely pricing assets or narratives, our platform allows traders and autonomous agents to take directional exposure to the growth or decay of applications, protocols, and infrastructure within the onchain economy.

We deploy directly into the Hyperliquid ecosystem, optimizing discovery and execution through our dedicated application. As a member of our early-stage team, you will work at the intersection of quantitative finance, crypto market structure, and high-performance onchain data systems.

Your mission is to build the signal layer and APIs that make autonomous trading agents materially more effective. You won’t just be moving data; you’ll be converting raw market behavior into high-fidelity, agent-readable signals.

Engineering Manager (Incubations)

Location: New York (Office)

Comepensation: Competitive

We are an industry-leading R&D lab building high-performance, open-source technology for the first parallelized EVM Layer 1 blockchain. Our mission is to scale decentralized infrastructure to handle Web2-level volume, onboarding the next billion users into a vibrant ecosystem of digital assets.

As the Engineering Manager for Incubations, you will lead a specialized team at the forefront of blockchain innovation. You won't just be managing; you will be collaborating directly with ecosystem partners to develop cutting-edge dApps across diverse domains—including Decentralized Finance (DeFi), Gaming, DePin, and AI. This is a "zero-to-one" leadership role designed for someone who thrives in fast-paced, community-first environments and wants to push the absolute boundaries of decentralized technology.

What you’ll do:

Smart Contract Engineer (EVM + Rust)

Location: European timezones

Compensation: Up to £65 per hour

We are looking for a highly skilled Smart Contract Engineer with deep expertise in both Solidity (EVM) and Rust to join our elite engineering team at MLabs. In this role, you will be subcontracted to work directly with one of our premier clients—leading innovators in the DeFi space—building next-generation financial infrastructure on Base, Arbitrum, and other EVM-compatible networks.

As a bridge between the smart contract layer and high-performance systems, you will architect, develop, and secure complex DeFi protocols. You aren’t just writing code; you are building the "money legos" of the future, ensuring they are gas-efficient, battle-tested, and capable of handling significant TVL (Total Value Locked).

Chief of Staff

Location: New York (Office)

Compensation: $150K - $200K

We are hiring on behalf of our client, the pioneers behind a high-performance Layer 1 blockchain that is setting a new global standard for scalability. By re-engineering the most widely adopted execution environments in Web3, they provide decentralized applications with the performance of Web2 combined with the sovereignty of Web3. They are seeking a highly strategic and operationally adept Chief of Staff to serve as a direct partner to our executive leadership.

This role goes far beyond administrative support; you will be a trusted advisor and core team member with broad visibility into our highest strategic priorities. As they enter a pivotal stage of growth, you will be the "operational glue" that drives execution, ensures organizational alignment, and translates high-level vision into measurable outcomes.

This position is based in New York City and requires a strong on-site presence.

Talent Acquisition Specialist (Sourcing)

Location: New York (Hybrid)

Compensation: Competitive

We are a core contributor to a high-performance Layer 1 blockchain, the first to offer parallelized EVM execution designed to scale with the demands of the modern industry. Our team is composed of veterans from Google, Goldman Sachs, Robinhood, Nvidia, and Databricks, all dedicated to onboarding the next billion users onto a vibrant ecosystem of decentralized applications.

Backed by over $30M from top-tier investors—including Jump Crypto, Multicoin Capital, and Coinbase Ventures—we are looking for our first Talent Acquisition Specialist to help us build the most talent-dense engineering team in Web3.

Reporting directly to the Head of Talent, this is a high-impact, high-autonomy role designed for an ambitious recruiter who wants to shape the hiring strategy of a scaling startup. This is not a passive role; you will be on the front lines, engaging the pinnacle of engineering talent for highly technical roles that are critical to our success.

Key Responsibilities: