Location: Austin, United States (Hybrid)

Hybrid | Full-time

Compensation: $150K - $175K

Our client is an innovative firm operating at the intersection of institutional finance and emerging blockchain technology. Backed by $40M in funding from premier venture capital firms including Electric Capital and Paradigm, the organization is bridging the gap between decentralized finance and traditional Wall Street by rebuilding financial infrastructure to be faster, safer, and fully on-chain.

In this environment, security is viewed as a primary client-facing differentiator and a core pillar of institutional trust. The security program is integral to client due diligence, auditor engagements, and enterprise contract negotiations. Our client is seeking a Security Engineer to serve as the hands-on execution layer of a security strategy designed by the CISO.

This is a builder role focused on the technical implementation of a modern, cloud-native security stack. The successful candidate will stand up identity enforcement, endpoint protection, cloud posture management, threat detection, and GRC evidence pipelines. This position reports directly to the CISO, offering high technical autonomy and executive visibility within a production-grade environment.

Key Responsibilities:

Security Infrastructure & Implementation

Octopus by RTG is the tech hiring and outsourcing arm of Robusta Technology Group, dedicated to connecting exceptional tech talent with top-tier organizations across the MENA, GCC, Europe, the US, and Canada. We specialize in building strong, long-term partnerships between skilled professionals and innovative companies. Our mission is to empower growth, innovation, and excellence by matching the right talent with the right opportunities.

Job Overview

We are currently partnering with a strategic client in the UAE and are actively expanding their team. We are seeking a highly skilled Mobile Team Lead to drive the development of scalable, high-performance mobile applications across iOS and Android platforms.

Key Responsibilities

Technical Leadership

• Lead, mentor, and manage a team of mobile developers (cross-platform and native).
• Ensure high-quality code, best practices, and continuous team development.

Mobile Architecture & Strategy

• Define and oversee scalable, secure, and maintainable mobile architectures.
• Establish coding standards, design patterns, and development frameworks.

Cross-Platform Development

Staff Software Engineer - Backend & AI Infra

Remote | Full-time

Location: Based in US to GMT timezones

Compensation: Competitive Compensation Package

Our client is a high-growth technology firm. They are seeking a Staff Software Engineer to spearhead two critical domains: the core agent runtime and backend infrastructure powering a high-frequency trading fleet, and the comprehensive migration of model hosting and agent deployment to in-house, proprietary infrastructure.

This is a foundational, high-impact building role. The successful candidate will design and implement the backend services, runtime engines, and deployment systems that enable a fleet of autonomous agents to operate with superior speed, reliability, and intelligence. By moving away from third-party LLM providers and hosted platforms, this role will establish the sovereign infrastructure necessary for the next generation of autonomous financial software.

Key Responsibilities

Agent Runtime & Backend Development

Senior FinCrime Product Owner

Location: UK, Poland, Spain, Portugal (Preference for UK)

Remote | Full-time

Compensation: $115K - $140K

Our client is a pioneering fintech organization dedicated to revolutionizing the intersection of fiat and cryptocurrency. By bridging the gap between traditional finance and Web3, the company aims to unlock new economic possibilities on a global scale.

To support this mission, our client is seeking a creative and innovative Senior Financial Crime (FinCrime) Product Owner. This pivotal role involves designing and implementing a robust, next-generation financial crime and fraud platform. The successful candidate will be tasked with identifying systemic inefficiencies within the current financial crime industry and building superior solutions from the ground up. This position requires a strategic leader capable of defining the product roadmap, setting delivery strategy, and scaling a high-performing team to protect the ecosystem and its users.

Key Responsibilities

Senior Web3 Software Engineer

Location: Europe/US/Latam

Remote | Full-time

Compensation: $170K - $195K

Our client is a pioneer in the blockchain sector, developing a high-performance operating system designed to redefine scalability and throughput for Ethereum. By combining parallel transaction execution with advanced state minimization, our client’s platform overcomes traditional protocol limitations to provide a groundbreaking environment for decentralized development.

Since its initial launch in 2019, the organization has remained dedicated to enhancing Ethereum's ecosystem through technical innovation, including the creation of a bespoke virtual machine and a specialized programming language. The team is a globally dispersed group of innovators committed to shaping the future of blockchain technology through secure, decentralized, and high-throughput solutions.

Our client is seeking a Senior Web3 Software Engineer to lead the development of high-performance decentralized applications (dapps). This individual will own major product surfaces end-to-end—from frontend interfaces to on-chain integrations—collaborating across product, design, and smart contract teams to deliver secure and intuitive experiences for traders and users.

Key Responsibilities

About Signal Ocean: Signal Ocean is the technology arm of the Signal Group. Our primary product, The Signal Ocean Platform, helps shipping and commodities professionals navigate their complex decision making. Driven by advanced machine learning and artificial intelligence, our technology suite provides tailored, exclusive insights that support our clients in achieving performance and efficiency. By securely handling and combining private and public shipping data flows, and applying advanced analytics, insights are delivered over web and mobile applications, as well as through a rich set of APIs and SDKs. Our backend architecture is abstracted to modularly offer deep analytics capabilities that are leveraged in the solutions that we offer or can be directly embedded in our client’s system topologies.

Board & Operations Infrastructure Lead / Senior EA

Location: London

Hybrid | Full-time

Compensation: £50K - £75K

We are an early-stage B2B cross-border payments platform bridging the gap between traditional finance and digital assets. By utilizing crypto rails, we enable businesses to pay, convert, and earn yield across Crypto, Stablecoins, and Fiat within a regulated framework.

As we scale our digital financial infrastructure, we are looking for a Board & Operations Infrastructure Lead to serve as the "operational integrator" for our leadership team. This is a high-impact role designed to install the systems, structure, and execution discipline required to run a high-growth regulated business.

This is not a traditional Executive Assistant or Compliance role. You will be the architect of our internal workflows, working directly with the Board and Founders to reduce operational noise and ensure that every strategic commitment is tracked, owned, and executed.

What You’ll Do

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

Senior Product Manager (Crypto-Native Payments)

Location: Europe or up to GMT-3

Compensation: $90K - $110K

We are the global leader in crypto commerce, enabling millions of users across 180+ countries to use cryptocurrency for everyday needs—from gift cards and mobile top-ups to subscriptions and bill payments. For over a decade, we have operated profitably as a distributed team of 90+ people who believe that crypto should be money for everyday use.

As the market shifts from speculation to real-world utility—driven by stablecoin salaries, DeFi yield, and airdrop proceeds—we are looking for a Senior Product Manager to bridge the gap between complex onchain mechanics and seamless consumer experiences. You will join a focused squad of 5-7 engineers and designers in a high-agency, low-meeting environment where product decisions are made close to the work.

What You’ll Do:

Job Opportunity: Senior Feeder & Welding Engineer

Retube and Feeder Replacement (RFR)

The Project

The Retube and Feeder Replacement (RFR) campaign is the heart of this project, involving the complex removal and installation of reactor feeders. We need a seasoned expert to oversee the welding, fabrication, and installation of these critical systems.

The Role

We are seeking a Subject Matter Expert (SME) with deep field experience in CANDU retubing. You will act as the technical authority on feeder welding and installation, bridging the gap between engineering design and site execution. You will oversee vendors, approve welding procedures, and troubleshoot complex tooling and fit-up issues directly on the reactor face.

Requirements

1. Professional Experience & Qualifications