Location: Location: US or EU (remote-first, office optional)

(remote-first, office optional)  | Full-time

Compensation: $140K - $220K

We are hiring on behalf of our client, a leading organization in the fintech and blockchain space is seeking a Lead Mobile Engineer to drive the user-facing side of its mobile platform. In this role, the selected candidate will be responsible for designing and building high-performance iOS and Android applications, refining cross-platform frameworks, and crafting intuitive, secure, and trustworthy user interfaces.

This position also involves shaping software development kits (SDKs) and developer tools that enhance the core mobile application ecosystem. The ideal candidate possesses deep expertise in mobile development (specifically React Native), strong native iOS/Android knowledge, and sharp UX instincts. Experience shipping production-grade applications within the fintech or Web3/onchain domain is highly preferred, alongside a strong dedication to clean architecture, security, and reliability. The role requires end-to-end ownership of projects, transforming complex requirements into seamless, reliable workflows for both administrators and end-users.

Key Responsibilities

Our client is a high-growth fintech and Web3 technology company currently serving over two million users. Backed by top-tier venture capital firms, the organization has raised substantial Series B funding to scale its platform, expand product offerings, and maintain high engineering standards while accelerating development velocity.

The company is seeking an experienced, autonomous Staff Frontend Engineer to take ownership of its core mobile and web application surfaces. In this role, the engineer will drive critical frontend initiatives—including the rollout of new order types, support for additional asset classes (such as perpetuals and prediction markets), and the expansion of key social features.

The ideal candidate possesses deep mastery of React, operates effectively with a high degree of autonomy, and thrives in a fast-paced, in-person environment. While focused on frontend architecture, engineers are empowered to contribute across the stack whenever beneficial.

Requirements

About Octopus by RTG

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 looking for a skilled Mobile Developer (React Native) to lead the technical development of a web portal project.

Key Responsibilities:

• Develop and maintain mobile applications using React Native
• Build reusable components and write clean, maintainable code
• Collaborate with UI/UX designers to implement intuitive user interfaces
• Integrate APIs and third-party services
• Debug, troubleshoot, and optimize application performance
• Ensure the performance, quality, and responsiveness of applications
• Participate in code reviews and contribute to team best practices
• Stay up to date with the latest industry trends and technologies

Requirements

About Signal Ocean: Signal Ocean is the technology arm of the Signal Group. Our primary product, The Signal Ocean Platform, enables shipping professionals to securely handle, integrate, and assess intricate collections of private and public shipping data. Driven by advanced machine learning and artificial intelligence technologies, the platform provides tailored, exclusive insights that support our clients in achieving performance and efficiency.

About the Role: We are looking for curious, self-driven individuals with a passion for product design and technology to join our Design team in Athens for a 6-month internship, with the possibility to extend for 18 more months (24 months total). A successful internship can lead to a permanent position. In this role, you will contribute to UX/UI design across the Signal Ocean Platform - supporting research, creating wireframes and prototypes, and helping evolve our design system within a complex, data-driven product environment. We are looking for proactive, detail-oriented team players who are eager to grow as designers in a collaborative, fast-paced setting.

At Signal, we value respect, inclusivity, and strong collaboration across all teams.

What you will do in this role:

Location: Remote - Europe preferred, must be able to work European hours

Remote | Full-time

Compensation: $120K - $150K

Our client is a dynamic, forward-thinking, fully remote organization with an ambitious roadmap and a strong commitment to engineering excellence.

Seeking a Senior Fullstack Engineer to work at the intersection of frontend and backend development. In this role, the engineer will build and maintain both a React-based trading user interface and the TypeScript backend services that power high-performance trading platforms. The position involves full feature ownership—from crafting responsive, real-time interfaces to designing the APIs, data pipelines, and indexing solutions that feed them.

The ideal candidate possesses a strong passion for trading, engineering rigor, security, and velocity, backed by over six years of professional experience and a dedication to code quality and state-of-the-art software testing practices.

Key Responsibilities

Frontend Development & Performance

Location: Remote - Europe

Remote | Full-time

Compensation: $120K - $200K

We are hiring on behalf of our client, a fast-paced, dynamic, and fully remote team in the decentralized finance (DeFi) and Web3 space who is seeking an experienced Senior Backend Engineer. The employer operates with an ambitious roadmap and a strong commitment to engineering rigor, high-grade security, and rapid execution.

As a Senior Backend Engineer, the selected candidate will play a critical role in designing, developing, and maintaining robust, high-throughput, and scalable backend systems. This role extends beyond writing code to architecting resilient, secure systems optimized for low-latency, real-time processing in financial services.

The ideal candidate brings over eight years of engineering experience, a deep interest in Web3 and DeFi, and a strong dedication to high code quality and state-of-the-art software testing methodologies.

Key Responsibilities

Backend Development

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.

We are looking for a talented and experienced UI/UX Designer to lead the design strategy and execution of user-centered digital experiences. The ideal candidate will combine strong design expertise, leadership skills, and a deep understanding of user behavior to deliver intuitive, engaging, and scalable products.

Financeit is a point-of-sale financing provider serving some of the largest home improvement and retail organizations in Canada. Our platform helps businesses close more sales by offering customers affordable monthly payment options for their next big home improvement, vehicle or retail purchase.

We are small enough that you can make an impact within the company and large enough to make an impact in the market. Financeit is a company where collaboration, inclusivity, fairness, and respect aren’t just ideas that get talked about, but are part of who we are. If such a workplace intrigues you, we hope you’ll join us.

About the role:

Do you love working with numerous stakeholders spanning a wide range of functions, spending your time defining business rules, writing tech requirements, confirming that things were built correctly, connecting it all back to strategy & analytics, and relish the idea of seeing your work used by hundreds of thousands of people every single year? Are you equally skilled at balancing deep critical thinking with pragmatic execution, and consistently delivering on time? If so, we’d love to meet you.

Location: New York, United States (Hybrid) - Must be able to work in NYC on a hybrid basis

Hybrid | Full-time

Compensation: $150K - $175K

Our client is a well-funded financial technology firm backed by leading institutional venture capital, including Electric Capital and Paradigm. The organization is rebuilding the core infrastructure that underpins the global financial system by merging traditional institutional finance expertise with advanced blockchain technology to create a faster, safer, and fully on-chain ecosystem.

As a Business Analyst, the successful candidate will play a pivotal role in translating the intricate workflows of institutional loan markets into innovative, scalable software products. This position is ideal for a structured, detail-obsessed builder who excels at transforming ambiguous financial processes into highly executable development plans.

This is a hybrid position requiring three days per week onsite in New York City and is not eligible for fully remote work.

Key Responsibilities

Location: Remote - If based in NYC, will require office presence 2/3 days a week, for LATAM and European regions will be expected to work EST hours with a 5 hour overlap.

Remote/Hybrid | Full-time

Compensation: $140K - $200K

We are hiring on behalf of our client, an innovative technology firm who is seeking an experienced Full-Stack AI Engineer to join a growing, AI-focused engineering team. The client develops advanced intelligence and analytics solutions designed to help participants in digital asset markets make more informed decisions by combining financial data, automation, and modern AI technologies to transform complex information into actionable insights.

In this role, the successful candidate will work closely with product, research, and engineering leadership to develop next-generation, AI-powered financial applications. This is a highly collaborative position that requires strong ownership, technical depth, and the ability to move quickly from concept to production.

Key Responsibilities

Full-Stack Product Development