Mercier Consultancy MD is thrilled to announce exciting Czech Speaking job opportunities in Greece! We are looking for motivated individuals ready to embrace a new adventure while contributing their language skills in a professional environment. This position includes a fully paid relocation package, making it easier than ever to start your journey in one of Europe's most beautiful countries.

Key Responsibilities

• Utilize your Czech language skills to provide outstanding customer service and support to our clients.
• Handle inquiries through various communication channels, ensuring client satisfaction and resolution of issues.
• Document customer interactions accurately for effective tracking and follow-up.
• Collaborate with other team members to enhance service delivery and streamline processes.
• Stay informed about company products and policies to offer the best solutions to customers.
• Participate in training and development programs to continually improve service skills.

Requirements

Researcher - Decentralized Finance (DeFi) Risk & Economic Security

Location: Preference for NYC but will accept Remote Europe & USA - would need to overlap EST hours

Compensation: $120K - $150K

We are the first automated, on-chain economic security system, trusted by leading crypto protocols to manage and secure billions of dollars in assets. Our core mission is to enable crypto protocols to optimize risk management and capital efficiency while safeguarding user funds. We achieve this by analyzing protocol mechanics and scenario implications using world-class custom EVM simulations to provide actionable insights.

We are seeking a proactive and results-driven Researcher to join our team, reporting directly to the Vertical Lead for Lending. You will play a critical role in conducting in-depth protocol research, modeling risk parameters, and communicating strategic findings to clients and the broader community, helping shape strategic research across high-impact DeFi projects.

The Researcher will be responsible for conducting rigorous quantitative analysis and providing expert commentary on emerging Decentralized Finance (DeFi) protocols and products.

Data Scientist - Consumer Product Optimization

Location: New York City, London (Office)

Compensation: $250K - $300K

We are seeking an experienced, versatile Data Scientist to join our team, which is focused on a fast-paced consumer-facing product within the fintech or equivalent industry. This is a high-autonomy role where you will have the freedom to identify opportunities, design and implement solutions, and measure their impact across our entire product suite.

We value generalists who possess breadth across the data science field and thrive on end-to-end ownership. You will collaborate with cross-functional teams while driving projects independently from conception to completion.

The Data Scientist will be responsible for leveraging data to drive product decisions, optimize user experiences, and uncover strategic opportunities for growth.

DevOps Engineer - Global Fintech & Digital Money Platform

Location: Remote - They would prefer people in NYC but will accept people in Europe or Puerto Rico

Compensation: $180K - $250K

Join a lean and mighty team of passionate builders and veteran founders, backed by top-tier investors in fintech and crypto. We are building a cutting-edge platform at the intersection of real-world payments and digital money, empowering the next generation of financial products globally.

We are looking for a DevOps Engineer to deliver massive impact by owning and scaling our critical infrastructure. You will be a key driver of the technical roadmap and architectural decisions for a product rapidly scaling to millions of end-users.

The DevOps Engineer will play a critical role in managing, scaling, and securing our multi-cloud infrastructure, ensuring rapid, reliable deployments for a high-performance financial product.

DeFi Analyst - Risk Management & Market Safety

Location: Preference for NYC but can be USA or Europe based

Compensation: $120K - $150K

Join a company building technology that makes decentralized markets safer and more accessible. Our advanced risk management systems, oracles, and AI models secure billions in value and are trusted by leading protocols like Aave, GMX, dYdX, Venus, and Jupiter.

Reporting directly to the Lending Lead, we are looking for a talented DeFi Analyst to join our team and help shape the future of decentralized finance by delivering crucial insights and strategic recommendations to our customers.

The DeFi Analyst will leverage our simulation platform and quantitative methodologies to analyze complex datasets, model protocol risks, and provide actionable insights that directly impact market safety and capital efficiency.

Business Development Lead - Payments Partnerships (Layer 1 Blockchain)

Location: New York City (Hybrid)

Compensation: $150K - $200K

Join the team behind the first parallelized Layer 1 blockchain, which has re-written the most widely adopted execution environment in Web3 to set a new standard in performance and scalability. Our platform allows applications to benefit from the speed of Web2 combined with the decentralization and sovereignty of Web3.

We are seeking an experienced Business Development Lead to drive strategic payments partnerships. This is a high-impact role requiring deep expertise in the global payments landscape. You will work directly with leadership, ecosystem teams, and strategic partners to position our blockchain as the premier chain for payments and settlement.

The Business Development Lead will be responsible for originating, negotiating, and executing strategic partnerships to expand the platform's presence in the global payments infrastructure.

Network Infrastructure Engineer - AI Data Platform

Location: Hybrid - Ashburn

Compensation: $125K - $150K

Join a lean, technical team building the critical infrastructure that delivers massive amounts of web data to companies training the world’s most powerful AI models. The client operates a vast distributed crawler, granting unique access to high-quality public web data at a global scale. Their work involves building advanced pipelines for ingesting, segmenting, and annotating billions of videos, transcripts, and audio files, directly powering dataset creation for frontier AI labs.

The client is looking for a talented Network Infrastructure Engineer with significant experience in infrastructure and network architecture design. You will be responsible for building and maintaining the robust physical and cloud infrastructure that powers their AI-driven platform. Your work will directly impact the efficiency, security, and performance of our systems at massive scale.

This role requires deep expertise across network architecture, physical deployment, cloud services, and automation (Infrastructure as Code).

Senior Frontend Engineer - High-Performance Financial Platform

Location: New York, San Francisco (Office)

Compensation: $185K - $300K

We are hiring on behalf of our client who are building a revolutionary Multi-Asset Margin solution for one of the fastest-growing ecosystems in decentralized finance. Currently, the crypto derivatives sector generates $20B–$30B in annual revenue, and multi-asset margin accounts for over 86% of all trading activity. Their mission is to bridge the gap between diverse collateral types and high-performance trading.

Their platform allows users to post variable forms of collateral without needing to sell their assets for stablecoins. By building sophisticated blockchain-integrated systems "under the hood," they extend liquidity to the venues of their users' choice, bringing the market to them rather than forcing them to navigate multiple fragmented platforms.

As a member of their Product & Platform team, you will build and maintain the applications that power these services. You will collaborate closely with designers, backend engineers, and product managers to deliver responsive, high-performance user interfaces that define the future of DeFi trading.

The Frontend Engineer will be responsible for the full lifecycle of application development, focusing on performance, user experience, and real-time data visualization.

Mercier Consultancy is thrilled to announce an exciting opportunity for Dutch-speaking customer service representatives to work in beautiful Greece! If you are enthusiastic about helping customers and providing excellent support, this position is perfect for you. As a Dutch customer service agent, you will assist clients with their inquiries, resolve issues, and ensure a positive customer experience. This role not only offers the chance to work in a vibrant environment but also allows you to immerse yourself in the rich culture of Greece. Join our team and embark on this exciting adventure!

Key Responsibilities

• Manage incoming customer inquiries and provide accurate information in Dutch.
• Assist customers with product-related questions and troubleshooting.
• Resolve customer complaints efficiently and effectively.
• Maintain a positive customer experience by ensuring timely follow-ups.
• Document all customer interactions in the system accurately.
• Collaborate with team members to enhance the overall customer service process.

Requirements

Mercier Consultancy MD is seeking a talented Swedish Customer Support Consultant to join our vibrant team in Athens, working with a leading telecommunications company. In this role, you will provide dedicated support to our Swedish-speaking customers, helping them navigate their telecommunications needs and enhancing their overall experience.

Key Responsibilities

• Deliver outstanding customer support to Swedish-speaking clients via phone, email, and live chat.
• Assist customers with inquiries related to telecommunications services, billing, and account issues.
• Handle complaints and technical problems with professionalism and efficiency.
• Document customer interactions accurately for quality assurance and feedback purposes.
• Collaborate with technical teams to address and resolve complex customer issues.
• Stay informed about the latest telecom products and services to provide knowledgeable support.

Requirements