At Quento, the ICT arm of the Qualco Group, we deliver comprehensive and innovative solutions across AI, Digital Engineering, Cloud, and Cybersecurity, helping businesses accelerate digital transformation. With a presence in Greece, Luxembourg, and Belgium, and backed by the expertise of the Qualco Group, we combine deep technical knowledge with strategic partnerships to support business growth.

At Quento, we empower our people to innovate and lead in delivering transformative ICT solutions to our clients worldwide. Quento Technologies seeks a highly motivated and experienced Solution Integrator.

Responsibilities:

At Quento, the ICT arm of the Qualco Group, we deliver comprehensive and innovative solutions across AI, Digital Engineering, Cloud, and Cybersecurity, helping businesses accelerate digital transformation. With a presence in Greece, Luxembourg, and Belgium, and backed by the expertise of the Qualco Group, we combine deep technical knowledge with strategic partnerships to support business growth.

At Quento, we empower our people to innovate and lead in delivering transformative ICT solutions to our clients worldwide. Quento Technologies seeks a highly motivated and experienced Full Stack Developer.

Responsibilities:

At Quento, the ICT arm of the Qualco Group, we deliver comprehensive and innovative solutions across AI, Digital Engineering, Cloud, and Cybersecurity, helping businesses accelerate digital transformation. With a presence in Greece, Luxembourg, and Belgium, and backed by the expertise of the Qualco Group, we combine deep technical knowledge with strategic partnerships to support business growth.

At Quento, we empower our people to innovate and lead in delivering transformative ICT solutions to our clients worldwide. Quento Technologies seeks a highly motivated and experienced Back-End/API Developer.

Responsibilities:

At Quento, the ICT arm of the Qualco Group, we deliver comprehensive and innovative solutions across AI, Digital Engineering, Cloud, and Cybersecurity, helping businesses accelerate digital transformation. With a presence in Greece, Luxembourg, and Belgium, and backed by the expertise of the Qualco Group, we combine deep technical knowledge with strategic partnerships to support business growth.

At Quento, we empower our people to innovate and lead in delivering transformative ICT solutions to our clients worldwide. Our high-performing, dynamic, and collaborative environment fosters professional growth at every stage.

Quento Technologies seeks a highly motivated and experienced Senior Java Backend Engineer to join our team and help us build reliable, scalable backend services. You will work with modern Java technologies, cloud-native tools, and distributed systems.

Your responsibilities will entail:

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 a Senior Frontend Engineer for one of our partner organizations in KSA on a 1-year contract, offering the opportunity to contribute to exciting projects within a dynamic and forward-thinking environment.

Main Responsibilities

Development & Architecture

• Lead the development of high-performance, scalable web applications.
• Design and build reusable, modular, and high-quality React components.
• Architect and manage complex state management using Redux, Context API, Recoil, etc.
• Implement and manage API integrations (RESTful APIs, GraphQL).
• Optimize applications for speed, scalability, and performance (e.g., lazy loading, client-side rendering).
• Ensure cross-browser and cross-device compatibility.

Collaboration & Leadership

At Quento, the ICT arm of the Qualco Group, we deliver comprehensive and innovative solutions across AI, Digital Engineering, Cloud, and Cybersecurity, helping businesses accelerate digital transformation. With a presence in Greece, Luxembourg, and Belgium, and backed by the expertise of the Qualco Group, we combine deep technical knowledge with strategic partnerships to support business growth.

Quento Technologies seeks a highly motivated and experienced Sitecore Developer for designing, developing, and maintaining high-performance digital solutions built on Sitecore (preferably Sitecore XM). At Quento, we empower our people to innovate and lead in delivering transformative ICT solutions to our clients worldwide. Our high-performing, dynamic, and collaborative environment fosters professional growth at every stage.

Your responsibilities will entail:

We are a fast-growing tech company with a portfolio of SaaS products serving diverse industries. Innovation, performance, and design precision are core to our values. As we scale, we are looking for talented Senior Fullstack Developers to join our team and take a key role in crafting highly performant, maintainable, and user-focused web applications.

Key Responsibilities
 

• Contribute to both backend (NestJS) and frontend (NextJS) systems by designing and building scalable, secure, and maintainable features, while leading architecture decisions across services, APIs, and cross-stack boundaries. 

• Champion clean code, modular design, and testability through active contribution, reusable components, and mentoring. 

• Drive system-level decisions around performance, observability, and scalability, and ensure alignment between product goals and technical implementation. 

• Own and enforce code quality via reviews, maintain CI/CD reliability, and collaborate closely with DevOps to ensure release stability and consistent environments. 

• Monitor and optimize system performance, define logging and alerting standards, and lead incident response and continuous improvement efforts. 

• Work closely with product, QA, and designers to unblock delivery, while mentoring engineers and fostering technical alignment across squads.

Requirements

Senior Software Engineer - Rust

Location: Remote - European time zone

Start Date: Aiming for 15/12/2025

Job Department/BU: Engineering

Job Function: Development

We are seeking a highly skilled and experienced Senior Software Engineer focused on the Rust programming language to join our innovative Engineering team. In this pivotal role, you will be instrumental in elevating our software development processes and actively contributing to high-quality product delivery. You will serve as a technical and mentoring leader, driving best practices across multiple teams and codebases.

The Senior Software Engineer is responsible for driving the quality of engineering practices within a team, identifying and implementing cross-team improvements, and directly contributing to product development. This role requires technical leadership, mentorship, and a commitment to continuous improvement in our software building and maintenance processes.

Key Responsibilities:

Senior Full Stack Engineer (Backend Focus)

Full-time | Remote

Salary: $150,000

We are a technology platform on a mission to eliminate communication barriers by connecting users to live, qualified interpreters across hundreds of languages in seconds. We are seeking an experienced Senior Full Stack Engineer with a strong backend focus to architect and scale our core platform services.

As a Senior Full Stack Engineer, you will be primarily responsible for the backend architecture, reliability, and security of our large-scale, real-time platform. You will lead technical direction, solve complex distributed systems challenges, and drive engineering excellence.

What you'll do:

Senior Full Stack Software Engineer

Full-time | On-site

Location: San Francisco, CA

We are a high-growth AI company building the future of a core business function through a real-time conversational AI platform. Our platform serves both consumer-facing (the user experience) and enterprise-grade (data aggregation and analysis) software. We are looking for a Senior Full Stack Software Engineer to be a founding, hands-on builder in a small, passionate team.

As a hands-on engineer, you will own the development of high-impact features across our entire stack—from optimizing latency for real-time video conversations to building robust enterprise data analysis tools and integrations.

Key Responsibilities: