Senior/Lead Backend Engineer - FinTech & Crypto Innovation

Location: Remote - Fully remote across Europe - they can do B2B or hire through EoR.

Compensation: $120K - $140K

We are looking for a Senior/Lead Backend Engineer obsessed with good architecture, efficiency, and resilience to help us revolutionize the FinTech and crypto industry. This role is for a pillar of our engineering team who thrives in a fast-paced environment, solving complex banking and crypto problems with speed and elegant, resilient solutions.

You will work directly with the product team, owning the design, development, and deployment of mission-critical services that power our next-generation financial platform. Your focus will be on building scalable, robust backend systems that handle core banking functions, blockchain integrations, and serve data to our mobile and web applications.

What You'll Be Working On:

Protocol Backend Engineer - Stablecoin Platform

Location: North American-based candidate only

Remote | Full-time

Compensation:  $180K - $220K

Join a stablecoin platform for builders, providing a superior digital-dollar building block that allows developers to create and customize their own stablecoins in minutes. This platform enables businesses to monetize digital dollar use cases and maintain control over their money tech stack without operational heavy-lifting, offering features like custom branding, compliance behaviors, and yield distribution mechanics.

We are hiring on behalf of a company who is seeking an experienced Protocol Backend Engineer. In this role, you will enhance the growing set of $M Extensions projects, support partners' technical teams, improve existing products, and create and maintain comprehensive documentation.

Key Responsibilities

Staff Frontend Engineer - Global Trade Comment Network

Location: New York City (Hybrid)

Compensation: $180K - $250K

We are building the global trade comment network, a protocol designed to solve the core problem of discovery in trading: what to buy and why. Our solution allows users to comment on their trades and see the trade comments of others, turning trading into a high-frequency social activity. We are backed by world-class investors and are seeking a highly experienced Staff Frontend Engineer to build and scale our mobile and web applications.

This is a high-impact role requiring deep experience in building and scaling complex mobile and web applications that power high-frequency social interactions. You will own the responsibility for ensuring a smooth UX and sub-second rendering across feeds of thousands of items, tackling meat-and-potatoes software engineering challenges to deliver a reliable and engaging product across devices.

Key Responsibilities & Projects:

Principal Engineer (Remote Outside US) - Real-World Asset Minter Infrastructure

Location: Remote - Europe or on the East Coast for South America/Canada (No US)

Compensation: $200K - $225K

We are building a critical piece of infrastructure that is the first live Minter on a major protocol. Our system transforms real-world collateral, such as U.S. Treasuries, into on-chain monetary building blocks ($M). This programmable, composable foundation allows builders to create their own application-specific digital dollars. We are seeking a Principal Engineer to take full-stack ownership of the systems that power this creation and distribution.

This role begins as a high-impact Senior Individual Contributor position with broad autonomy to define architecture and set engineering practices, designed to grow into a technical leadership role. You will work directly with leadership to execute a clear, productized system vision. Your focus will be on building the institutional-grade infrastructure that enables automated minting, multi-chain liquidity, and key integrations.

Key Responsibilities:

Location: US or Europe

Remote | Full time

Compensation:  $200K - $300K

Our client is a premier non-custodial trading and data platform at the forefront of cryptocurrency technology. The organization provides a unified base of operations where users retain custody of their funds while accessing live data, instant execution, and powerful charting tools across all emerging markets. By maintaining a lean, high-performance team of exceptional talent, the client ensures rapid release cycles that place new features in the hands of tens of thousands of active users immediately upon completion.

The organization is seeking a Principal Frontend Engineer with extensive experience building highly performant, real-time, and interactive web applications tailored for trading. This individual will serve as a subject matter expert, leveraging a background as a founding or first engineer to guide the platform through its next phase of growth and product expansion.

Key Responsibilities

Full-Stack Engineer, (AI)

Location: Based in the United States with the ability to work remote or from our Brooklyn office, LATAM or Europe.

Remote | Full-time

Compensation: $160K - $200K

Our client is a pioneer in automated, on-chain economic security systems, providing high-fidelity custom EVM simulations to protect and optimize decentralized finance (DeFi) protocols. Trusted by the industry’s leading platforms to secure and manage billions of dollars in assets, our client enables crypto protocols to refine risk management and capital efficiency through actionable, data-driven insights.

The organization is seeking a proactive and results-driven Full-Stack Engineer to join their AI division. Reporting directly to the Head of Product & AI, this individual will play a critical role in collaborating with the CEO and the AI team to develop a sophisticated financial AI agent. The ideal candidate thrives in high-velocity, self-directed environments and possesses the technical breadth to manage everything from scalable backend services to high-performance, user-facing interfaces.

Key Responsibilities

Software Engineer

Location: NYC (100% On-site in SoHo)

Compensation: $140,000 - $210,000 (Base Salary) + Competitive Equity

We are building the autonomous future of industrial staffing by developing fully autonomous, orchestrated multi-agent AI workflows to connect businesses with vetted workers. Backed by top-tier investors like Founders Fund and Khosla Ventures, our mission is to redefine labor management and drive the global supply chain to peak efficiency. We're seeking experienced and entrepreneurial Software Engineers to build our core suite of products across mobile and web.

You will join a dynamic team to build the foundational technology platform for both our workers and business customers. This role involves significant ownership, from product iteration to architectural design, in a fast-paced environment.

In this role, you will:

Founding Full Stack Software Engineer (Backend/AI Focus)

Location: Los Angeles, CA (100% On-site)

Compensation: $170,000 - $225,000 (Base Salary) + Significant Equity

We are an early-stage, YC-backed company building fully autonomous AI agents powered by in-house models that can find, exploit, and patch complex vulnerabilities in web applications at massive scale. We are seeking a passionate Founding Full Stack Software Engineer to build and scale the core systems. This is a high-impact role with a focus on backend architecture and AI agent systems, directly addressing the speed and scale challenges posed by AI-generated code.

As a Founding Engineer, you will have significant responsibility for designing, developing, and maintaining our scalable, high-performance web applications and cutting-edge AI Agent systems. Your focus will be on the backend and AI components.

Key Responsibilities:

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

About the Company 

We are a UAE-based technology company focused on building scalable digital platforms and logistic solutions for modern enterprises. Our team operates in both physical and remote environments, bringing together experienced engineers who value innovation and collaboration. We strive to deliver products that are efficient, secure, and designed for long-term growth. 

About the Role 

We are looking for a Front-End Developer with strong React skills to build responsive and efficient web applications. You will turn modern UI and UX designs into clean, functional components, connect them with APIs, and ensure smooth performance across all devices. The ideal candidate is detail oriented, writes clear code, and works well in a collaborative environment. 

Requirements

Key Responsibilities