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:

Security DevOps Engineer - Crypto Social Infrastructure

Location: London, New York City (Office)

Compensation: $250K - $300K

We are a high-growth software development company of elite builders and proud contributors to the largest crypto social network globally, a platform that has generated over $600 million in revenue since March 2024. We are seeking a Security DevOps Engineer to join our team, focusing on building secure, scalable infrastructure for decentralized applications and redefining what’s possible in social finance.

You will play a critical, hands-on role in hardening our development and production environments. This role involves integrating security throughout our CI/CD pipeline, automating security scanning and monitoring, and working directly with development teams to ensure a strong overall security posture across our cloud and blockchain infrastructure.

What You'll Do:

Senior Backend Engineer - High-Volume Fintech & Payments Platform

Location: Remote - Based in LATAM / EST /Europe

Compensation: $130K - $180K

We are a technology company building the next generation of money and financial products. We are seeking a Senior Backend Engineer to design and build the core backend systems that power our fintech and payments platform. This role requires deep technical expertise in high-scale transaction systems and strong product awareness to deliver reliable, secure, and impactful solutions.

You will be responsible for the full lifecycle of our backend services, focusing on architecting, building, and operating systems that handle high-volume financial transactions securely and reliably. You will act as a technical leader, driving feature delivery and raising the engineering bar across the team while ensuring our systems align with business priorities.

Key Responsibilities:

GoMining is a global Bitcoin ecosystem on a mission to unlock the full potential of Bitcoin. We create tools and services that make it simple and secure to earn, use, and benefit from Bitcoin daily regardless of country, income, or level of knowledge.

You will ensure product quality through automated and manual testing, maintaining a high standard across web, mobile, and backend services.

Responsibilities

• Design and execute test cases, ensuring full coverage across UI, API, and mobile platforms.

• Develop and maintain automated tests using Playwright + TypeScript (UI, API, e2e).
• Work with Git (CLI, GitLab) for version control and CI/CD integration.
• Manage test documentation and results via Allure TestOps / Allurectl.
• Conduct testing of iOS and Android apps (TestFlight, Google Internal Testing).
• Capture and analyze mobile traffic for debugging and performance validation.
• Use diagnostic and monitoring tools (RMQ, Grafana, Sentry, Rancher) to ensure system stability.
• Collaborate with developers, analysts, and product managers to improve quality processes.

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 a Sr. Backend Developer 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

Backend Development & Architecture

• Design, develop, and maintain scalable, secure backend systems using Java and Spring Boot.
• Contribute to architecture design ensuring modularity, maintainability, and high performance.
• Build and manage microservices-based architectures.

API & Integration

A DevSecOps Engineer is responsible for integrating security practices into the entire software development lifecycle, ensuring that applications, infrastructure, and operations are secure by design. This role blends development, operations, and security expertise to maintain high-availability systems while proactively managing security risks and compliance requirements.

Responsibilities:

• Security Integration in CI/CD: Embed security checks, vulnerability scanning, and automated compliance tests into CI/CD pipelines.
• Infrastructure Security: Implement secure cloud and on-premises infrastructure using best practices for access control, encryption, and network segmentation.
• Container & Kubernetes Security: Manage and harden containerized environments, including image scanning, runtime protection, and pod security policies.
• Monitoring & Incident Response: Use observability tools to monitor systems for security threats, respond to incidents, and implement continuous improvements.
• Collaboration & Education: Work closely with developers, SREs, and QA teams to ensure security-first development practices, provide guidance on secure coding, and conduct threat modeling.
• Compliance & Governance: Ensure systems and processes comply with standards like ISO27001, SOC 2, GDPR, NIST, and maintain audit readiness.

Requirements

GoMining is seeking a talented DevOps/SRE Engineer to join our team, ensuring the reliability, scalability, and security of our advanced crypto and fintech products.

This role is ideal for professionals passionate about building robust infrastructure, streamlining CI/CD processes, and maintaining high-availability systems in fast-paced, technology-driven environments. You will play a pivotal role in optimizing system performance, automating operations, and enhancing the resilience of our services.

We are looking for someone who brings technical expertise, problem-solving skills, and innovation to the table.

Responsibilities:

Infrastructure Development & Maintenance

• Design, deploy, and maintain Kubernetes clusters, virtual machines, and local infrastructure.
• Develop and enhance platform architectures with a focus on scalability, reliability, and security.
• Apply DevOps principles across product teams to improve the Software Development Life Cycle (SDLC).

Application Support & Collaboration

• Develop and support business-critical applications.
• Collaborate with developers to streamline features and resolve operational issues.
• Ensure reliable application operations using modern SRE practices (SLI, SLO, Error Budgets).

Automation & CI/CD

We are looking for a proactive QA engineer with strong mobile and API testing experience who is confident with Allure TestOps, Postman, DevTools, SQL, and Git. You will create clear test plans, ensure coverage, find and track bugs, and partner with product and engineering to ship reliable releases fast.

Responsibilities:

• Find, document, and track bugs
• Write test cases, test plans, and checklists
• Ensure optimal test coverage across features and releases
• Join grooming and help with clear task decomposition

• Test mobile apps for iOS and Android
• Work closely with product, design, and engineering

Requirements

About Jobgether:

Jobgether is a Talent Matching Platform that partners with companies worldwide to efficiently connect top talent with the right opportunities through AI-driven job matching.

One of our companies is currently looking for a Live Ops Engineer in US & Canada.

This is a remote opportunity to join a forward-thinking Live Operations team and help shape the future of live service tools for digital platforms. As a Live Ops Engineer, you will work closely with architects and cross-functional teams to build and maintain internal tools, automate release workflows, and support live operations infrastructure. You'll be instrumental in developing and implementing scalable systems that enhance how games and services are deployed and operated globally. This role is open to candidates ranging from junior to senior levels with the right combination of skills and curiosity.

Accountabilities:

About Jobgether:

Jobgether is a Talent Matching Platform that partners with companies worldwide to efficiently connect top talent with the right opportunities through AI-driven job matching.

One of our companies is currently looking for a Senior Software Engineer in Latvia, Slovakia, Poland, Romania, Hungary, Ukraine, or Slovenia.

This is a fully remote opportunity for a Senior Software Engineer to join a fast-growing cloud infrastructure platform reshaping how organizations optimize Kubernetes workloads. You’ll work on high-impact projects involving workload optimization, pricing intelligence, autoscaling, AI enablement, and large-scale reporting systems. The engineering environment values autonomy, speed, and modern DevOps practices, including GitOps and CI/CD workflows. You’ll collaborate with top-tier talent across cloud, backend, and infrastructure disciplines, using cutting-edge technologies like Go, Kubernetes, and cloud-native databases. Your work will directly affect performance, cost savings, and automation for thousands of customers worldwide.

Accountabilities: