Senior Software Engineer (Backend, AI Infrastructure)

Location: Remote - US only

Compensation: $180K - $300K

We build mission-critical infrastructure that delivers massive amounts of public web data to the companies training the world’s most powerful AI models. Our unique architecture leverages a massive, distributed bandwidth-sharing network to operate a large-scale global crawler, granting us access to high-quality public web data at scale. On top of this, we've built complex pipelines for ingesting, segmenting, and annotating billions of files, including videos, transcripts, and audio, empowering frontier AI labs with essential datasets.

We are a lean, technical team that moves fast, prioritizing high output and low ego. We are seeking a Senior Software Engineer (Backend) with deep expertise to architect scalable solutions and drive technical excellence as we push the boundaries of open web data and AI.

You will join a small, talented team to lead the design and implementation of highly scalable backend systems. Your expertise will be crucial in ensuring the robustness and maintainability of the infrastructure that supports our massive distributed crawler and data processing pipelines. You will play a critical role in shaping the evolution of the internet's role in AI development.

What You'll Be Doing

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:

Mercier Consultancy MD is excited to offer a remarkable opportunity for a Slovak Speaking Solutions Consultant, including fully paid relocation to the vibrant city of Sofia, Bulgaria! In this integral role, you will leverage your expertise to connect with clients, uncover their business challenges, and deliver customized solutions designed to enhance their operational success. If you are passionate about consulting and looking for an opportunity to make a significant impact, we want to hear from you!

Key Responsibilities

• Engage in detailed consultations with clients to identify their specific business challenges and gather requirements.
• Develop and propose tailored solutions that effectively address client needs while showcasing the value of our services.
• Act as the primary liaison between clients and internal teams to ensure successful project implementation.
• Provide comprehensive training and ongoing support to clients, enabling them to maximize the benefits of our solutions.
• Maintain awareness of industry trends and technological advancements to deliver informed recommendations to clients.
• Document feedback and insights to contribute to the continuous improvement of our service offerings.

Requirements

Mercier Consultancy MD is excited to announce a fantastic opportunity for a Danish Speaking Solutions Consultant, complete with paid relocation to the vibrant city of Sofia, Bulgaria! In this pivotal role, you will be integral in partnering with clients to understand their needs, provide bespoke solutions, and ensure the successful implementation of our services. If you are looking to enhance your career in a dynamic environment while exploring a new culture, this position is perfect for you.

Key Responsibilities

• Conduct in-depth consultations with clients to assess their specific business challenges and requirements.
• Develop and present tailored solutions that address client goals and enhance their operational efficiency.
• Act as a liaison between clients and internal teams to ensure smooth project execution and satisfaction.
• Provide ongoing client support and training to maximize the effective use of our solutions.
• Keep abreast of industry trends, competitor movements, and technological advancements relevant to client needs.
• Document processes and feedback for continuous improvement of service offerings.

Requirements

Mercier Consultancy MD is excited to present an incredible opportunity for a Czech Speaking Solutions Consultant, including fully paid relocation to the beautiful city of Sofia, Bulgaria! If you have a passion for helping clients achieve their business objectives through innovative solutions, this role is designed for you. As a Solutions Consultant, you’ll be tasked with understanding the unique needs of our clients and converting those into actionable strategies.

Key Responsibilities

• Engage with clients to identify their business challenges and gather requirements through thorough consultation.
• Craft and propose customized solutions that effectively address client needs while showcasing the value of our services.
• Act as a key liaison between clients and internal teams to ensure that projects are executed smoothly and successfully.
• Provide comprehensive training and ongoing support to help clients maximize the benefits of our solutions.
• Maintain up-to-date knowledge of industry trends, competitive landscape, and technological advancements.
• Document feedback and insights for continuous improvement of services and customer experience.

Requirements

We are currently recruiting a dynamic Corporate Lawyer, on behalf of our client, an independent, dynamic, entrepreneurial, full-service boutique Law firm based in Limassol.

Duties and Responsibilities:

We are QUALCO, the technology arm of Qualco Group, with over 25 years of experience in delivering innovative solutions to the financial sector. We serve clients in over 30 countries, helping banks and other financial institutions manage credit and loans effectively while ensuring full regulatory compliance. Our advanced software leverages analytics, artificial intelligence, and digital technologies to support every stage of the credit and lending lifecycle, remaining at the forefront of fintech innovation. 

We are looking for an experienced, self-motivated engineer to join our Software Support Team and provide high quality solutions/support to our rapidly growing client base.

As a Software Support Engineer you will be working closely with our Service Management and Software Development teams to improve customer experience, provide effective integration and service request solutions as well as identify and timely resolve issues of our client’s.

Join Mercier Consultancy MD as a Portuguese-Speaking Financial Customer Expert in Greece! We are thrilled to offer a fully paid relocation opportunity for dynamic individuals looking to advance their careers in the financial services sector. In this role, you will be instrumental in providing top-notch support to our Portuguese-speaking clients, helping them navigate their financial inquiries with ease.

Key Responsibilities

• Assist Portuguese-speaking customers with financial queries via phone, email, and live chat.
• Provide accurate information regarding banking products, services, and account management.
• Resolve customer issues promptly and professionally, ensuring a high level of satisfaction.
• Document all customer interactions in the CRM system to maintain accurate records.
• Work closely with internal teams to deliver effective solutions and enhance the customer experience.
• Stay informed about financial regulations and industry trends to provide reliable support to clients.

Requirements