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, our technology suite provides tailored, exclusive insights that supports our clients in improving performance and efficiency. 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 our solutions leverage or can be directly embedded in our client’s system topologies.

About the role

As the Signal Ocean Platform continues to grow, we’re expanding our engineering team. We're looking for a Front-End Engineer with experience in React, someone who is curious, proactive, and passionate about building high-quality digital solutions. Signal’s Software Engineers work closely with data science, design, product, and business analysis professionals to develop robust solutions for the highly entrepreneurial domain of shipping.

Technology Stack

Senior Backend Engineer (Rust/C++ – DeFi & Fintech)

Location: Fully Remote - EU timezone Type: Full-Time

Compensation: Competetive

We are hiring on behalf of our client who is looking for a Senior Backend Engineer to lead the architecture and development of the core systems powering a next-generation decentralized exchange (DEX) and network. This is a high-impact role where you will go beyond writing code—you will design resilient, secure, and low-latency systems capable of processing high-frequency trading data in real time.

They are a dynamic, fully remote team with an ambitious roadmap and a relentless drive to redefine the future of finance. The ideal candidate thrives at the intersection of DeFi, Systems Engineering, and High-Performance Computing. If you have a deep commitment to code quality and a passion for building mission-critical infrastructure, we want to hear from you.

Key Responsibilities:

Our team is developing a set of services that support the company's operational activities, starting with the gaming platform itself, back-offices, and data analytics. The product is being developed by a small team of experienced professionals.

We work extensively with databases and distributed systems, discuss and implement architectural solutions, and conduct RND procedures to check the performance of certain solutions. We are looking for a team member who will work as part of the DevOps Team and collaborate closely with cross-functional teams to maintain and improve the current delivery workflow.

Requirements

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.

About the role: 

You will be leading one of the product teams within the Signal SaaS web application. The focus is on building supporting infrastructure and data visualization features — such as charts, graphs, tables, and maps — that help users interact with complex shipping data. Alongside feature development, the team invests in building reusable components that support both their own roadmap and other teams, with a strong focus on automated testing  inside CI/CD pipelines.

About us:

Soar is a global fintech startup that specializes in financing and investment. Currently headquartered in Saudi Arabia, Soar is growing throughout the region with a mission to help people achieve their financial goals with innovative financial and property investment solutions and tools through its multi-purpose platform, designed to offer a simple and seamless user experience.

Role Summary:

We are looking for a Backend Engineer who enjoys building clean,reliable APIs and stable integrations.

This role is focused on execution, quality, and predictability — writing backend code that works correctly, is easy to maintain, and integrates smoothly with other systems.

You will work as part of a backend engineering team responsible for developing internal services and integrating with external platforms.

Key responsibilities:

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, our technology suite provides tailored, exclusive insights that supports our clients in improving performance and efficiency. 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 our solutions leverage or can be directly embedded in our client’s system topologies.

About the role

As the Signal Ocean Platform continues to grow, we’re expanding our engineering team. We're looking for a Senior Full Stack Engineer with experience in React, someone who is curious, proactive, and passionate about building high-quality digital solutions. Signal’s Software Engineers work closely with data science, design, product, and business analysis professionals to develop robust solutions for the highly entrepreneurial domain of shipping.

Technology Stack

Lead Blockchain Payments Engineer - Fiat Ramps & Financial Infrastructure

Location: London

On-site | Full-time

Compensation: Competitive

Our client is an elite team of builders operating at the intersection of fintech and high-scale crypto infrastructure. As a high-growth software organization, the company is responsible for developing the technology behind some of the largest crypto social networks and digital asset launchpads globally. The organization is defined by a philosophy of extreme talent density, rapid iteration, and technical ownership.

The Lead Blockchain Payments Engineer (Fiat Ramps) will serve as a core architect of the firm's financial infrastructure. This role is responsible for designing and scaling the services that power seamless fiat-to-crypto flows, real-time risk decisioning, and immutable financial records. Based in London, this is a full-time, in-person position for an engineer who thrives in high-throughput, low-latency environments and is passionate about building the future of global value transfer.

Key Responsibilities

Payment Orchestration & Integrations

Infrastructure & Platform Engineer Job Posting

Location: New York, San Francisco (Office)

Compensation: $185K - $400K

Our client is a rapidly growing technology company operating at the forefront of the high-stakes crypto derivatives sector, a market with annualized revenues in the tens of billions. Their platform is one of the fastest-growing crypto derivatives exchanges, capturing a significant and expanding share of the global market. They are building the next essential feature in this space: Multi-Asset Margin, which will allow users to post various forms of collateral directly on-chain, eliminating the need to liquidate assets into USDC before trading. Their infrastructure is designed to bring multiple trading venues and expanded financial utility directly to the user.

You will join their Infrastructure & Platform team to design, deploy, and operate the core components of their scalable, high-performance systems. You will focus on compute, storage, and networking while working closely with the product team to deliver exceptional speed and reliability in demanding, real-time environments.

What You'll Do:

GoMining is a global Bitcoin-powered fintech ecosystem building high-load financial products for users around the world.

We are looking for an experienced Node.js Developer who will strengthen our core backend team, work with high-intensity data flows, and help scale our financial infrastructure.

This role is ideal for someone with strong backend engineering experience in fintech, a deep understanding of product development, and the ability to deliver stable, secure, and scalable systems.

Responsibilities

• Develop and maintain backend services using Node.js with a focus on performance, reliability, and security.
• Implement new product features and integrate financial logic into existing services.
• Work with high-load systems, optimize application performance, and ensure stable service operation.
• Collaborate with product managers, QA engineers, and other developers to deliver end-to-end functionality.
• Integrate third-party APIs, PSPs, internal services, and crypto-related components.
• Write clean, maintainable, well-tested code following best practices and internal guidelines.
• Participate in architecture discussions and drive technical improvements across the backend stack.
• Support existing microservices, troubleshoot production issues, and contribute to automation and observability.

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.

Currently, we are hiring for one of our partners who are building a tech-enabled supply chain platform that empowers retailers and brands to launch 20–60 minute delivery services within days. The solutions include:

• ML-based SaaS: Demand forecasting, inventory placement, and white-label customer apps.
• Shared Infrastructure: Dark stores and middle-mile logistics.
• Customer Access: Last-mile delivery and marketing ambassadors.

Position Overview

We are seeking a Senior Lead Engineer to join our team. You will lead 1–2 junior full-stack engineers while remaining hands-on with development. Your role will include driving integrations, implementing and customizing systems, and co-defining technical architecture and roadmaps with the CTO. Lead and mentor junior full-stack engineers while being hands-on in development.