Senior DevOps Engineer (Remote – Web3/DeFi)

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

Compensation: competitive

We are seeking a Senior DevOps Engineer to architect and scale the mission-critical infrastructure powering a next-generation decentralized exchange (DEX) and network. In this role, you will be the guardian of our system’s security, scalability, and high availability, ensuring our engineering team can ship rapidly without compromising reliability.

We are a dynamic, forward-thinking, and fully remote team with an ambitious roadmap. This is an opportunity for a reliability-focused engineer who loves automation, security, and performance tuning for high-throughput, low-latency environments. If you thrive on building self-healing systems and are excited by the challenge of shaping the future of finance, we want to hear from you.

Key Responsibilities:

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:

You will be the architect of our "Security by Design" philosophy. Your primary mandate is to embed security into every stage of our software development lifecycle—from the first line of code to production deployment. You will leverage AI-driven tools to automate threat detection and vulnerability management, ensuring that our speed of innovation is matched by our speed of defense.

Key Responsibilities:

1. Secure Software Development Life Cycle (SSDLC)

Role Purpose:

The Cloud DevSecOps Engineer is responsible for designing, implementing, and securing cloud-based infrastructure and CI/CD pipelines. The role ensures seamless automation, robust security integration, and efficient monitoring of systems across OCI and GCP environments to enable secure, scalable, and high-performing applications.

Key Responsibilities:

1. CI/CD Pipeline & DevSecOps

• Design, build, and secure CI/CD pipelines using GitHub Actions.

• Integrate automated security testing (SAST/DAST) using SonarQube and related tools.
• Implement and manage GitOps workflows for continuous delivery using ArgoCD.

2. Cloud Infrastructure & Automation

We are looking for a hands-on Security Operations Engineer to own and evolve our security posture across infrastructure, endpoints, and internal systems. You will be the primary driver of day-to-day security operations — from managing protective tooling to responding to incidents and coordinating audits. This is a high-ownership role with direct impact on how the company detects, responds to, and prevents security threats.

We are building the next generation of conversational AI agents to automate workflows for businesses. Our platform is an AI-native help desk that allows human agents to work alongside AI, increasing automation over time. Our AI agents handle both reactive and proactive automation across various channels like calls, SMS, and email, while maintaining a single, coherent conversation thread. We are a small, fast-moving team with a mission to maximize conversational automation for high-touch businesses.

We need a motivated and ambitious Backend Engineer with hands-on experience building production backend systems. You should be comfortable hardening reliability, pushing down latency, evolving data models safely, and creating "paved roads" that make every other team faster. You'll thrive in our small, fast-paced startup environment where you can take on significant responsibility.

Requirements

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 Security Testing Specialist to prepare and execute analysis of the applications from a security point of view. 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. As a Security Testing Specialist, you will be responsible for including an analysis of the available documentation source code, of the architecture, and penetration testing.

Jobob Title: System Administrator

Location: Johannesburg, South Africa

Role Description:

We're seeking an experienced System Administrator to join our team in Johannesburg, South Africa. As a key member of our technical team, you'll be responsible for installing, configuring, and maintaining Linux systems, ensuring system security, performance, and reliability.

Key Responsibilities:

1. Linux System Administration

- Install and configure Linux systems

- Perform system maintenance, upgrades, and patching

- Create system backups and monitor system performance

2. System Security

- Configure and maintain system security and hardening

- Conduct OS vulnerability assessment and remediation

3. System Maintenance

- Configure and maintain LVM, filesystems, and server hardware

- Provide technical support and guidance to teams

4. Vendor Management

- Coordinate with vendors for hardware and software support

Essential Skills:

- 6+ years of experience with RedHat Linux

With more than 20 years of proven experience, QUALCO is a leading Fintech solutions provider, offering a wide range of analytics-driven, highly scalable enterprise software solutions in over 35 countries worldwide. Our end-to-end technology solutions cover a wide range of needs for Banking, Financial Services, Utilities, Insurance, Retail organisations, and beyond.

We are looking for a Security Testing Specialist to prepare and execute analysis of the applications from a security point of view, including an analysis of the available documentation, source code, of the architecture, and penetration testing.

Responsibilities:

With more than 20 years of proven experience, QUALCO is a leading Fintech solutions provider, offering a wide range of analytics-driven, highly scalable enterprise software solutions in over 35 countries worldwide. Our end-to-end technology solutions cover a wide range of needs for Banking, Financial Services, Utilities, Insurance, Retail organisations, and beyond.

We are looking for a Security Testing Specialist to prepare and execute analysis of the applications from a security point of view, including an analysis of the available documentation, source code, of the architecture, and penetration testing.

Responsibilities:

With more than 20 years of proven experience, QUALCO is a leading Fintech solutions provider, offering a wide range of analytics-driven, highly scalable enterprise software solutions in over 35 countries worldwide. Our end-to-end technology solutions cover a wide range of needs for Banking, Financial Services, Utilities, Insurance, Retail organisations, and beyond.

We are looking for a Security Testing Specialist to prepare and execute analysis of the applications from a security point of view, including an analysis of the available documentation, source code, of the architecture, and penetration testing.

Responsibilities: