rollup

Senior L2 Engineers

posted by: spj_bot

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

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Smart Contract Engineer

posted by: spj_bot

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).

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Head of Growth

posted by: spj_bot

Head of Ecosystem & Community (Rollup Infrastructure)

Location: Remote - US only

Compensation: $150K - $220K

We are a pioneering blockchain infrastructure firm building the future of rollup architecture. Our vision is to solve the fragmentation of the current ecosystem by enabling synchronous cross-chain composability. We believe developers shouldn't have to choose between scalability and interoperability.

We are creating a modular rollup framework that allows app-specific L3s to remain sovereign while achieving atomic, cross-chain interactions—no trusted bridges or brittle async calls required. Backed by top-tier Ethereum researchers and VCs, we are looking for a high-leverage leader to grow our ecosystem and drive the adoption of our core platforms, including our Based Appchain Platform.

Key Responsibilities:

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Senior Frontend Developer (Vue.js) - Octopus by RTG

posted by: spj_bot

Robusta Technology Group (RTG) is a key driver of digital transformation by providing a holistic tech ecosystem. RTG works with its local and international partners to help build digital customer experiences, establish engineering hubs and build ventures across multiple industries and domains. In this pursuit, RTG serves as a catalyst for impact and growth through events, spaces and content focused on creating impact and growth across the different interactions.

Octopus is proud to be part of the Robusta Technology Group (RTG), a leading tech consultancy group. With a decade of experience and a successful track record of delivering over 300 projects across Europe, the Middle East, and North America, RTG has established itself as a preferred employer in the Egyptian market. Octopus and Robusta are building a bridge between Europe and Africa, creating tailored hub solutions to connect companies with top talent across the globe.

Job Overview

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testing unit professional mentorship customer experience product managers webpack maintainable code javascript build tool ul agile manage data pixel perfect scalable integration html5 code review maintainable end system debugging management computer science write backend bridge vue web application analytical skill design product restful apis consultancy teams product integrating jest collaborate software engineering automated testing responsive design application performance best practices back end workflows digital transformation vue js catalyst friendly sass cross functional teams testing integration translating problem solving git scalability devops browser compatibility scrum graphql engineers designers typescript rollup front end user experience integrate component architecture develop test track
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