As our platform continues to scale, security becomes a core product capability rather than a separate function. We're looking for a Product Security Engineer who can partner directly with engineering teams to build secure systems from the ground up.

This is a highly technical, hands-on role where you'll improve the security of our applications, cloud infrastructure, APIs, and development lifecycle.

Responsibilities

Application Security

• Review application architecture and new product features from a security perspective.
• Identify security vulnerabilities across backend services, APIs, mobile applications, and web platforms.
• Perform threat modeling and security design reviews.
• Support internal and external penetration testing activities.

Secure Development

• Build and improve Secure SDLC across engineering teams.
• Integrate security tooling into CI/CD pipelines.
• Improve developer security practices and provide technical guidance.
• Help engineering teams remediate vulnerabilities.

Cloud & Infrastructure Security

• Improve the security posture of our cloud infrastructure.
• Secure Kubernetes environments, IAM policies, secrets management, and infrastructure components.
• Implement security monitoring and hardening best practices.
• Work closely with Platform and DevOps teams.

Security Automation

About the Role

We are looking for a Mid-Level Frontend Engineer with strong experience in building scalable, customer-facing web applications using React.js and Next.js. The ideal candidate has experience working on production applications, collaborating with cross-functional teams, and writing clean, maintainable, and performant code.

Responsibilities

• Develop and maintain modern web applications using React.js and Next.js.
• Build responsive, reusable, and accessible UI components.
• Collaborate with designers, backend engineers, and product teams to deliver new features.
• Optimize application performance, Core Web Vitals, and user experience.
• Integrate REST APIs and GraphQL services.
• Implement state management solutions such as Redux Toolkit or TanStack Query.
• Participate in code reviews and maintain high code quality.
• Troubleshoot production issues and monitor application performance.
• Contribute to frontend architecture and reusable component libraries.
• Follow Agile development practices and participate in sprint planning.

Requirements

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

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

We are seeking a motivated Junior .NET Developer to join our team on a 6-month remote contract. This role is ideal for someone with a solid understanding of .NET fundamentals and C# who is eager to gain hands-on experience working on real-world applications in a collaborative development environment.

Role 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 support our clients in achieving performance and efficiency. Insights are delivered over web and mobile applications, as well as through a rich set of APIs.  Signal has recently acquired AXS Marine and we are actively integrating the two companies. 

Graduate Scheme: This graduate scheme is designed to equip you with the knowledge, skills, and experience to thrive in the dynamic world of technology within the space of commercial shipping. Over a period of approximately 18-24 months, you'll gain a well-rounded understanding of the industry, develop technical expertise, and learn the ropes of technical sales. 

About the Role

We are looking for an experienced Salesforce Core Developer to join our team on a 4-month remote contract. The ideal candidate will have strong hands-on experience in Salesforce development, Lightning Web Components (LWC), and Salesforce integrations. You will work closely with technical and business teams to design, develop, and support scalable Salesforce solutions while ensuring seamless integration with external systems.

Responsibilities

• Develop and maintain custom Salesforce solutions using Apex, Lightning Web Components (LWC), Visualforce, and Salesforce configuration tools.
• Design and implement scalable business logic and custom Salesforce functionality.
• Build, enhance, and maintain Salesforce integrations using REST APIs and other integration technologies.
• Troubleshoot and resolve issues across end-to-end integration flows.
• Collaborate with cross-functional teams to gather requirements and translate them into technical solutions.
• Perform code reviews and ensure adherence to Salesforce development best practices.
• Support testing, deployment, and production releases.
• Document technical solutions and provide ongoing support throughout the project lifecycle.

Requirements

The Platform team is the foundation of GoMining’s ecosystem. It owns the services that every product depends on — custody, KYC, compliance, core application components, and platform reliability.

As Head of Platform, you will own this domain end-to-end. You will define the platform strategy, lead a cross-functional engineering organization, establish engineering standards, and ensure the platform remains secure, scalable, and highly available.

This is a hands-on leadership role requiring a combination of technical expertise, product ownership, and operational excellence.

Responsibilities

Platform Ownership

• Own the Platform domain as an internal product serving multiple product teams.
• Define the platform strategy, roadmap, priorities, and success metrics.
• Drive platform scalability, reliability, and engineering excellence.

Custody & Financial Infrastructure

• Own custody infrastructure, including Fireblocks, Uphold, and similar providers.
• Ensure secure asset storage, withdrawals, deposits, and fund movements.
• Improve operational reliability across wallet infrastructure.

Compliance Platform

Gritter Francona is looking for a Senior Developer to help support the full lifecycle deployment and implementation of the Oracle EHR system throughout the Veterans Affairs hospitals. As aSenior Developer, you will serve as a technical leader responsible for designing, developing, and supporting enterprise integration solutions within the ServiceNow platform. You will play a critical role in delivering scalable, secure, and high-quality integrations that enable business and operational success across client and partner organizations.

In this role, you will collaborate with architects, developers, business stakeholders, and program leadership to implement integration solutions, resolve complex technical challenges, and ensure successful delivery across multiple workstreams. You will provide technical expertise, mentor junior developers, assess implementation risks, and contribute to continuous improvement initiatives in a dynamic, fast-paced environment.

We are looking for a Lead FullStack Engineer with strong backend expertise to help us build reliable, scalable, and high-quality products.

You will lead a small engineering team consisting of 3 engineers and 2 QA specialists. This is a hands-on role requiring deep involvement in architecture, complex technical challenges, and production development.

We expect you to actively leverage AI tools to improve engineering quality and development velocity.

Responsibilities

• Design and develop scalable backend services and APIs.
• Drive architecture decisions and ensure high engineering standards.
• Write production-ready code and actively use AI tools to accelerate development.
• Solve complex technical challenges and improve system reliability.
• Lead code reviews and maintain code quality across the team.
• Mentor engineers and help increase team productivity.
• Collaborate closely with Product, Design, and QA teams.
• Continuously improve development processes and engineering practices.

Requirements

Location: New York, United States (Hybrid)

Hybrid | Full-time

Compensation: $180K - $320K

Our client is the largest decentralized perpetual exchange on Arbitrum, having processed over $20 billion in cumulative trading volume since its launch in late 2024. The platform enables leveraged trading of real-world assets, including commodities, forex, indices, and stocks—alongside cryptocurrency, bringing global markets on-chain with full self-custody.

A mid- to senior-level Backend Engineer is required to join an ambitious team focused on scaling a state-of-the-art infrastructure layer. This infrastructure is designed to allow engineering teams to self-serve 90% of their needs, enabling this role to focus entirely on high-level, high-impact projects. The successful candidate will collaborate closely with quants, infrastructure specialists, and data engineers to build a centralized pricing plane and an extremely dynamic pricing system that determines market competitiveness in real time.

Key Responsibilities