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 Senior AI Solution Architect for the design and architect comprehensive AI-driven solutions. 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:

Antipollution, a member of Vasileiadis Group of Companies (V Group), is a leading provider of environmental and waste‑management solutions across the Eastern Mediterranean, Egypt, and the Balkans. Operating in six main business pillars—including Port Reception Facilities, Emergency Response Services, Decontamination Services, Renewable Energy, Alternative Fuel Production from Waste, and Technology—we are committed to sustainability, innovation, and operational excellence.

As part of our digital-transformation agenda, we are looking for a hands-on Senior Cloud & Systems Engineer (Azure) to join the Technology & Innovation Department. You will design, implement and continually optimize our Azure-centric and hybrid infrastructure—spanning virtual machines, Azure Virtual Desktop (AVD), containers, networking and security services—ensuring high reliability, security, scalability and cost-efficiency.

Role Overview:

You will act as the technical owner for our Azure and hybrid infrastructure, covering everything from compute and virtual desktops to networking, storage, identity and security. The role is 100 % hands‑on: you will plan, build, automate, troubleshoot and continuously improve systems yourself—while collaborating closely with peers in software, data and operations.

Key Responsibilities:

Antipollution, a member of Vasileiadis Group of Companies (V Group), is a leading provider of environmental and waste management solutions across the Eastern Mediterranean, Egypt, and the Balkans. Operating in six main business pillars, including Port Reception Facilities, Emergency Response Services, Decontamination Services, Renewable Energy, Alternative Fuel Production from Waste, and Technology, we are committed to sustainability, innovation, and operational excellence.

As part of our digital-transformation agenda, we are looking for a hands-on Senior Cloud & Infra Engineer (Azure / IoT) to join the Technology & Innovation Department. You will design, build and operate Azure-centric cloud infrastructure and an Industrial/IoT ecosystem—covering cloud services, edge devices, wired/Wi-Fi/cellular networking and electronic integrations—while enabling secure, scalable and cost-efficient operations in line with industry best practices and compliance standards.

Role Overview:

You will act as the technical owner for our Azure and IoT environments, covering everything from device connectivity and data ingestion to cloud resources, networking, and storage. The role is 100 % hands‑on: you will plan, build, automate, troubleshoot, and improve systems yourself—while collaborating with peers in software, data, and operations.

Key Responsibilities:

Role profile – Microservices Solution Architect

A Microservices Solution Architect designs and implements solutions using microservices architecture, ensuring they meet business needs and adhere to technical standards. They collaborate with teams, provide technical guidance, and ensure robust, scalable architectures.

Duties and Responsibilities

Architect, design, and implement microservices-based solutions that align with business requirements and technical standards. 

Provide technical leadership and mentorship to development teams, ensuring proper implementation of designs. 

Work with product owners, business analysts, and other cross-functional teams to understand requirements and deliver solutions. 

Conduct architectural assessments, develop strategies, and create roadmaps for digital programs. 

Proactively identify and resolve architectural challenges, ensuring the system is robust and scalable. 

Design solutions for high performance, throughput, and scalability, considering factors like memory and in-memory tools. 

Ensure the security of microservices and the overall system, considering factors like authentication and authorization. 

Required Skills

A minimum of 8 to 10 years of experience and Deep understanding of microservices principles, patterns, and best practices. 

Proficiency in languages like Java, Spring Boot, or Node.js. 

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 skilled Enterprise Architect with a strong background in Microsoft technologies to lead the design and implementation of enterprise-wide IT strategies. The ideal candidate will be responsible for aligning business and ICT strategies, developing scalable architectural frameworks, and delivering robust and secure solutions across the organization.

Responsibilities:

Strategic Architecture & Planning

With more than 20 years of proven experience, QUALCO Group 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 organizations, and beyond.

We are looking for a Solution Architect for the improvement of business processes through analysis, design, specification, and implementation of solution functions.

Responsibilities:

Tiger Analytics is looking for experienced Senior Data Scientists to join our fast-growing advanced analytics consulting firm. Our consultants bring deep expertise in Data Science, Machine Learning and AI. We are the trusted analytics partner for multiple Fortune 500 companies, enabling them to generate business value from data. Our business value and leadership has been recognized by various market research firms, including Forrester and Gartner. We are looking for top-notch talent as we continue to build the best global analytics consulting team in the world.

As a Data Scientist, you will apply strong expertise through the use of machine learning, data mining, and information retrieval to design, prototype, and build next generation advanced analytics engines and services. You will collaborate with cross-functional teams and business partners to define the technical problem statement and hypotheses to test. You will develop efficient and accurate analytical models which mimic business decisions and incorporate those models into analytical data products and tools. You will have the opportunity to drive current and future strategy by leveraging your analytical skills as you ensure business value and communicate the results.

Key Responsibilities

We are currently recruiting on behalf of our client, a COO, Events who will be the strategic leader responsible for overseeing and optimising all operational aspects of the division. This includes the successful execution of global events, managing cross-functional teams, scaling operational frameworks, driving profitability and ensuring the brands continue to deliver world-class experiences for attendees, sponsors and partners.

This role will report to and work closely with the CEO to drive the company’s vision, align departments with business goals, and ensure executional excellence across all key markets.

Strategic & Operational Leadership

• Translate company strategy into actionable and measurable operational plans.
• Lead the annual planning, budgeting, forecasting, and reporting processes.
• Own P&L and financial performance for all events and related business units.
• Ensure operational scalability as the brands expand globally and vertically.
  

Operations & Event Execution

Being one of the most tech driven shipping companies, we are seeking a talented and motivated Senior Full Stack Developer (Vue.js & C#) to join our high caliber R&D team. This role is ideal for a developer who is passionate about both front-end and back-end technologies, and eager to build scalable, high-performance web applications in a collaborative environment.

As a part of your role, you will:

• Build responsive front-end components with Vue.js for clean, user-friendly interfaces
• Develop and maintain back-end systems using C# and .NET Core
• Design and manage SQL/NoSQL databases with optimized data handling
• Create and integrate RESTful APIs for seamless front-end/back-end communication
• Collaborate with company departments to define requirements and deliver features
• Optimize performance across the stack for speed and scalability
• Test and debug thoroughly to ensure software quality
• Contribute to continuous improvement by staying current with tech trends
• Maintain clear technical documentation (APIs, databases, UI/UX)

Requirements

The ideal candidate should have:

Description

Tiger Analytics is a fast-growing advanced analytics consulting firm. Our consultants bring deep expertise in Data Science, Machine Learning and AI. We are the trusted analytics partner for several Fortune 100 companies, enabling them to generate business value from data. Our business value and leadership has been recognized by various market research firms, including Forrester and Gartner. We are looking for top-notch talent as we continue to build the best analytics global consulting team in the world.

This role will be responsible for Architecture, Designing and implementing best data practices on the Azure platform.

Requirements