Full Stack Developer (.NET & Angular)

Location: [New York – Local Candidates Only Experience Level: Mid-Senior (8–10 Years)

Industry: IT Services / Finance

Our firm has been retained to find an experienced Full Stack Developer to join a high-performing engineering team. This role is ideal for a developer who thrives in an Agile environment and possesses a deep technical foundation in both modern front-end frameworks and robust back-end systems.

You will be responsible for designing, developing, and maintaining scalable web applications that drive core business functions. You will collaborate with global, cross-functional teams to deliver high-quality features while ensuring the performance, security, and responsiveness of the platform. This is a hands-on role that requires a commitment to clean code, thorough documentation, and proactive problem-solving.

Key Responsibilities:

Senior AI Data Engineer (Agentic Systems)

Location: USA / Europe / Israel - with a 5hour overlap with EST hours

Compensation: $130K - $150K

We are hiring on behalf of our client who build the technology that powers safer, more accessible financial markets. Our risk management systems, oracles, and AI models currently secure over $200 billion in assets across the world's largest decentralized protocols, having processed more than $5 trillion in transaction volume. They recently launched a pioneering Financial Intelligence Platform that transforms complex market data into actionable insights, bringing institutional-grade intelligence to every participant in the ecosystem.

The Role: They are looking for a Senior AI Data Engineer to design and build the agentic systems powering their intelligence platform. You will work at the intersection of LLMs, financial data, and production infrastructure, creating intelligent agents that reason, plan, and execute across complex financial workflows.

Responsibilities:

Staff Mobile Engineer

Remote | Full-Time | Engineering

Compensation: $180K - $250K

We are hiring on behalf of our client, the largest ecosystem builder on a leading decentralized perpetual exchange, currently building the next generation of DeFi trading. Their mission is to democratize access to global financial markets—including crypto, equities, and commodities—by leveraging decentralized technology. To date, their platform has processed $65B+ in cumulative trading volume, generated eight figures in revenue, and supports over 400,000 registered traders.

They are a small, elite team of individual contributors who value autonomy, ownership, and rapid execution. They are looking for a Staff Mobile Engineer who views React Native as a craft. You will sit at the intersection of engineering, design, and product, turning raw speed into a premium mobile experience that feels intentional and indistinguishable from a native app.

Key Responsibilities:

Head of Marketing

Craft the Story of How Ethereum Wins Institutional Adoption

Location: NYC-based candidates or people willing to relocate there

Compensation: $200K - $300K

Our client is building the critical infrastructure required to bring the "real world" to Ethereum. Their mission is to provide the rails for Wall Street to operate on-chain, moving the global financial system into the 21st century.

They are seeking a visionary Head of Marketing to own their narrative and bridge the gap between two distinct worlds: the high-stakes environment of institutional finance and the frontier of Web3. Reporting directly to the CEO, you will be responsible for the brand’s evolution as they prepare to reveal a series of groundbreaking products in 2026. This is a role for a storyteller who understands that for them to win, Ethereum must win—and you will be the one articulating that victory to the world.

Requirements

Part-Time Office Manager (In-Person)

Location: New York (Office)

On-site | Full-time

Compensation: $36K - $50K

Our client develops advanced technology designed to make financial markets safer and more accessible. By utilizing sophisticated risk management systems, oracles, and AI models, the organization secures billions in value while democratizing access to world-class financial tools. The platform is trusted by several of the industry’s leading protocols to manage and protect significant assets within the decentralized finance (DeFi) ecosystem.

An opportunity has emerged for a proactive and detail-oriented Part-Time Office Manager (In-Person) to support on-site operations at our client's Brooklyn office. Reporting directly to the VP of Business Operations, the successful candidate will ensure the workspace remains professional, fully operational, and welcoming. This role is ideal for a hospitality-minded professional who excels in organization and enjoys supporting a high-calibre leadership team in a fast-paced environment.

Key Responsibilities

Mercier Consultancy MD is thrilled to announce an opening for Spanish Speaking Customer Service Representatives for a leading Financial Services Company located in Greece. This role is perfect for individuals who desire to make a difference in the financial sector while providing exceptional service in Spanish. As a customer service representative, you will assist clients with various financial inquiries, ensuring they receive the highest level of support.

Key Responsibilities

• Respond to customer inquiries related to financial products and services via phone, email, and live chat in Spanish.
• Provide information on account management, investment options, and financial planning services.
• Assist clients with billing inquiries, transaction issues, and service modifications.
• Resolve customer complaints and provide effective solutions to ensure satisfaction.
• Document all customer interactions accurately in our CRM system for future reference.
• Work closely with other financial representatives and departments to deliver seamless customer support.
• Stay up-to-date on financial market trends and company offerings to provide informed assistance to clients.

Requirements

Mercier Consultancy MD is pleased to offer an exciting opportunity for German Speaking Customer Service Representatives for a leading Finance Company based in Greece. This role is perfect for individuals who are passionate about finance and are dedicated to providing outstanding support to clients. As a customer service representative, you will communicate with clients primarily in German, assisting them with their financial inquiries and ensuring a seamless customer experience.

Key Responsibilities

• Manage customer inquiries related to financial products, services, and account management via phone, email, and live chat in German.
• Provide clear and accurate information about financial services, investment options, and regulations.
• Assist customers with account setup, modifications, and transaction inquiries.
• Resolve customer complaints and issues promptly while adhering to company policies.
• Accurately document all interactions and maintain comprehensive records in the CRM system.
• Collaborate with internal teams to ensure the highest level of service delivery and client satisfaction.
• Stay informed on financial market trends and updates to effectively address customer concerns.

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.

VP of Business Development, Africa - Blockchain Wallet Infrastructure

Location: Nigeria or South Africa (Remote-first, Office Optional)

Compensation: $80K - $120K

Join a stellar team of leaders and experts in blockchain technology, cryptography, infrastructure, and security to build the backbone of wallet infrastructure for the next financial era. We are hiring a VP of Business Development to spearhead our regional expansion and establish our company as the trusted partner for financial institutions and fintechs across African markets.

Reporting to the Head of Americas, you will own the go-to-market strategy in Africa, driving revenue, building strategic partnerships, and guiding clients through the deployment of our cutting-edge wallet platform inside their existing systems. This role demands a powerful blend of strategic leadership and hands-on enterprise sales execution.

As the senior representative in Africa, you will blend high-level strategy with execution, focusing on accelerating market penetration and securing complex enterprise accounts.

Senior Data Scientist – DeFi Economic Risk & Security

Location: Remote - Preference is in Europe to overlap 5hours with EST timezone

Compensation: $130K - $150K

Join a pioneering company that provides the first automated, on-chain economic security system for crypto protocols. Our platform is trusted by leading DeFi protocols, collectively securing and managing billions of dollars in assets, by utilizing world-class custom EVM simulations to optimize risk management and capital efficiency. This is a high-impact role at the intersection of quantitative finance, data science, and decentralized technology.

As a Senior Data Scientist, reporting directly to the Head of Economic Risk & Strategy, you will be a critical driver of our modeling capabilities and data insights across the decentralized finance ecosystem. You will lead innovative research to understand market actor behavior and model these dynamics within our advanced simulation platform.

Your Mission & Responsibilities: