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

Who we are;

Octopus by RTG is enabling a key partner organization to grow their tech teams while focusing on AI. We are currently looking for the right pioneers to join the team!

Octopus is proud to be part of the Robusta Technology Group (RTG), a leading tech 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.

Octopus is specialized in rapidly assembling remote & onsite global tech teams that are fully aligned with the culture and practices of a particular brand. By providing tailored hubs to suit its clients needs, Octopus gives companies all the advantages of remote work and offshoring without all the negatives.

You will be working with one of our partners in Saudi that is transforming the insurance industry in the Kingdom with smart, instant, and purposeful solutions

Senior Rust Engineer (Solana/DeFi)

Location: Remote (CET +/- 4 hours) Type: Full-time

Compensation: $72K - $90K

We are a stealth-stage DeFi Trading & Intelligence platform dedicated to the Solana ecosystem. We are building the critical infrastructure required for sophisticated on-chain decision-making—ranging from real-time signals and smart money tracking to enterprise-grade fraud detection. Our platform delivers high-fidelity on-chain analytics through a high-performance API. We are a small, fast-moving team tackling the most challenging problems in blockchain data. As a Senior Rust Engineer, you will play a pivotal role in architecting systems that process millions of Solana transactions in real-time.

This is an early-stage startup environment. We are looking for an engineer who thrives on high ownership, fast iteration cycles, and the opportunity to ship code that immediately impacts production environments. If you are passionate about building high-throughput infrastructure and solving "hard" data problems, we want to hear from you.

Responsibilities

Staff Frontend Engineer

Location: New York

On-site | Full-time

Compensation: Competitive

Our client is a high-performance technology development firm responsible for building and operating the foundational infrastructure behind the world’s most active digital asset launchpads. The systems managed by this organization are characterized by low latency, high throughput, and constant high-concurrency load. This is a mission-critical environment where technical precision is paramount; the frontend systems must remain resilient and performant under the weight of hundreds of thousands of active users.

The organization is seeking a Staff Frontend Engineer to own the design and evolution of large-scale frontend architecture. This is a hands-on, high-impact role focused on building fast, reliable, and maintainable user-facing systems. The successful candidate will join an elite team of builders where the pace is intense, expectations are high, and the impact of every deployment is immediate.

Key Responsibilities

Solana Program Engineer

Location: New York (Office)

On-site | Full-time

Compensation: Competitive

Our client is a high-performance technology development firm responsible for building and operating the foundational infrastructure behind the world’s most active digital asset launchpads. The systems managed by this organization are defined by ultra-low latency, high throughput, and constant high-concurrency load. This is a mission-critical environment where technical precision is paramount; these systems operate under extreme real-world pressure where the margin for error is non-existent.

The organization is seeking a Staff Solana Program Engineer to design, build, and maintain on-chain programs that operate under heavy transaction volume. This is a hands-on role requiring absolute technical ownership and a deep understanding of blockchain performance. The successful candidate will join an elite team of builders where the pace is intense, expectations are high, and the impact of every deployment is immediate.

Key Responsibilities

Senior Frontend Engineer (Web3/DeFi)

Location: Fully Remote - EU time zones Type: Full-Time

Compensation: $150K - $175K

We are seeking a high-caliber Senior Frontend Engineer to lead the development of a performant, responsive, and real-time application powering a next-generation decentralized exchange (DEX) and network. In this role, you will bridge the gap between complex blockchain infrastructure and a seamless user experience, meeting the demands of a fast-paced, data-intensive trading environment.

Our team is a dynamic, forward-thinking, and fully remote group with an ambitious roadmap. We are looking for an engineer who thrives on the intersection of DeFi, Web3, and high-stakes security. If you have a relentless drive for speed without sacrificing rigor, and a commitment to state-of-the-art software testing, we want to build the future of finance with you.

Key Responsibilities:

Who We Are

Robusta Technology Group (RTG) is a key driver of digital transformation, providing a holistic tech ecosystem that enables organizations to build impactful digital customer experiences, establish remote engineering hubs, and launch ventures across multiple industries and domains.

Working with a diverse portfolio of local and international partners, RTG acts as a catalyst for growth and impact through technology, events, spaces, and thought leadership content. As a tech agency, Robusta delivers digital transformation programs focused on digitizing existing operations and activating digital customer engagement channels.

With a team of 100+ tech and market consultants, Robusta maintains a strong footprint across EMEA, operating through its two main hubs in Egypt and Germany.

What You’ll Be Doing

We are looking for a Senior Frontend Engineer with strong expertise in modern frontend technologies, a passion for building scalable, high-quality applications, and the ability to mentor and lead by example. You will work closely with designers, backend engineers, and product teams to deliver performant, accessible, and user-centric solutions.

Researcher - Decentralized Finance (DeFi) Risk & Economic Security

Location: Preference for NYC but will accept Remote Europe & USA - would need to overlap EST hours

Compensation: $120K - $150K

We are the first automated, on-chain economic security system, trusted by leading crypto protocols to manage and secure billions of dollars in assets. Our core mission is to enable crypto protocols to optimize risk management and capital efficiency while safeguarding user funds. We achieve this by analyzing protocol mechanics and scenario implications using world-class custom EVM simulations to provide actionable insights.

We are seeking a proactive and results-driven Researcher to join our team, reporting directly to the Vertical Lead for Lending. You will play a critical role in conducting in-depth protocol research, modeling risk parameters, and communicating strategic findings to clients and the broader community, helping shape strategic research across high-impact DeFi projects.

The Researcher will be responsible for conducting rigorous quantitative analysis and providing expert commentary on emerging Decentralized Finance (DeFi) protocols and products.

DeFi Analyst - Risk Management & Market Safety

Location: Preference for NYC but can be USA or Europe based

Compensation: $120K - $150K

Join a company building technology that makes decentralized markets safer and more accessible. Our advanced risk management systems, oracles, and AI models secure billions in value and are trusted by leading protocols like Aave, GMX, dYdX, Venus, and Jupiter.

Reporting directly to the Lending Lead, we are looking for a talented DeFi Analyst to join our team and help shape the future of decentralized finance by delivering crucial insights and strategic recommendations to our customers.

The DeFi Analyst will leverage our simulation platform and quantitative methodologies to analyze complex datasets, model protocol risks, and provide actionable insights that directly impact market safety and capital efficiency.