Full Stack Engineer - Payments & FinTech Web Applications

Location: Remote - Based in EST or GMT+1

Compensation: $120K - $150K

We are a high-growth technology company building a robust FinTech and payments platform. We are seeking an experienced Full Stack Engineer with strong product sense and deep technical expertise to design and build the secure, scalable, and high-performing web applications that power our platform. This role requires translating complex backend financial systems into intuitive, reliable user experiences.

You will own the development lifecycle of web applications from design through release, working across the full stack with an emphasis on the frontend user experience. You will collaborate closely with backend teams, ensuring that all features prioritize performance, security, and scalability. You will be expected to treat UI components and APIs as products, maintaining high standards for code quality and architectural clarity.

What You'll Do:

Senior Full Stack Engineer - (Platform)

Location: Remote - Preference for NYC - Or Remote USA or Tel Aviv (classed as Europe) to work EST hours

Remote | Full-time

Compensation: $144K - $164K

Our client is a pioneer in automated, on-chain economic security, providing a sophisticated system that enables crypto protocols to optimize risk management and capital efficiency. By analyzing protocol mechanics and scenario implications through world-class custom EVM simulations, the platform provides actionable insights trusted by leading decentralized finance (DeFi) protocols to manage and secure billions of dollars in assets.

The organization is seeking a proactive and results-driven Senior Full Stack Engineer to join the team. Reporting directly to the Platform Team Lead, the successful candidate will play a critical role in building data-driven dashboards and tools to support complex risk analysis. This role involves close collaboration with research and protocol teams to deliver high-quality frontend and backend components that power essential security insights.

Key Responsibilities

Protocol Backend Engineer - Stablecoin Platform

Location: North American-based candidate only

Remote | Full-time

Compensation:  $180K - $220K

Join a stablecoin platform for builders, providing a superior digital-dollar building block that allows developers to create and customize their own stablecoins in minutes. This platform enables businesses to monetize digital dollar use cases and maintain control over their money tech stack without operational heavy-lifting, offering features like custom branding, compliance behaviors, and yield distribution mechanics.

We are hiring on behalf of a company who is seeking an experienced Protocol Backend Engineer. In this role, you will enhance the growing set of $M Extensions projects, support partners' technical teams, improve existing products, and create and maintain comprehensive documentation.

Key Responsibilities

Head of Community - Secure Computation Network

Location: Remote - Preference for Europe/Dubai/UK but open to candidates based in EST time zones

Compensation: $130K - $150K

We are building a secure computation network that is fundamentally changing how high-value data is stored and used globally. Our decentralized technology expands beyond traditional blockchain transactions into new verticals like AI, biometric data, health data, voting, and consumer data using privacy-enhancing technologies (PETs). Backed by a record-setting seed round and founded by high-profile leaders from Uber, Indiegogo, and Coinbase, we are seeking a highly experienced Head of Community to drive our global strategy.

This is a critical, deeply cross-organizational role where you will design and execute innovative strategies to bring to life a vibrant global community. You will serve as the pulse of the project, collaborating closely with senior Marketing, Product, Engineering, and Research teams to align community initiatives with the project's development and vision.

Key Responsibilities:

Senior Backend Engineer - High-Volume Fintech & Payments Platform

Location: Remote - Based in LATAM / EST /Europe

Compensation: $130K - $180K

We are a technology company building the next generation of money and financial products. We are seeking a Senior Backend Engineer to design and build the core backend systems that power our fintech and payments platform. This role requires deep technical expertise in high-scale transaction systems and strong product awareness to deliver reliable, secure, and impactful solutions.

You will be responsible for the full lifecycle of our backend services, focusing on architecting, building, and operating systems that handle high-volume financial transactions securely and reliably. You will act as a technical leader, driving feature delivery and raising the engineering bar across the team while ensuring our systems align with business priorities.

Key Responsibilities:

Senior/Lead Smart Contract Engineer - Web3 User Acquisition Platform

Location: Remote - US (EST Preferred)

Compensation: $150K - $200K

We are a leading web3 user acquisition platform that has powered onboarding for over 500 protocols since 2021, facilitating over 500 million transactions and serving over 3 million users on 40+ chains. Our platform is infrastructure for major players like Coinbase, Uniswap, and Solana. Backed by $21M in total funding and with a successful native token launched in 2024, we are seeking a highly experienced Senior/Lead Smart Contract Engineer to take ownership of our protocol architecture and security.

You will lead the design and implementation of our smart contract infrastructure for both core and new initiatives. This is a critical, high-ownership role where you will drive protocol architecture, security, and optimization across multiple chains supporting millions of users. Your expertise will be essential in maintaining the integrity and gas efficiency of our high-volume systems.

What You'll Be Doing:

Senior iOS Engineer - Next-Generation Digital Experiences

Location: San Francisco (Hybrid)

Compensation: $200K - $350K

We are a technology company focused on delivering high-end user experiences that redefine what's possible across a suite of innovative products. We are seeking a Senior iOS Engineer who cares deeply about the details and the craft of engineering to help us realize our vision. You will play a crucial role in shaping the direction, design, and execution of future product experiences.

You will be the driving force behind the quality and architecture of our iOS applications, balancing long-term technical vision with immediate product needs. You will collaborate enthusiastically with small, focused teams to own and deliver intuitive and delightful user experiences, while also serving as a mentor to other engineers.

Key Responsibilities:

Principal Engineer (Remote Outside US) - Real-World Asset Minter Infrastructure

Location: Remote - Europe or on the East Coast for South America/Canada (No US)

Compensation: $200K - $225K

We are building a critical piece of infrastructure that is the first live Minter on a major protocol. Our system transforms real-world collateral, such as U.S. Treasuries, into on-chain monetary building blocks ($M). This programmable, composable foundation allows builders to create their own application-specific digital dollars. We are seeking a Principal Engineer to take full-stack ownership of the systems that power this creation and distribution.

This role begins as a high-impact Senior Individual Contributor position with broad autonomy to define architecture and set engineering practices, designed to grow into a technical leadership role. You will work directly with leadership to execute a clear, productized system vision. Your focus will be on building the institutional-grade infrastructure that enables automated minting, multi-chain liquidity, and key integrations.

Key Responsibilities:

Mercier Consultancy MD is thrilled to announce an opening for a Dutch Speaking Technical Support Agent for remote work opportunities available worldwide. This position is ideal for tech-savvy individuals who excel in communication and enjoy helping customers resolve technical issues. As a member of our team, you will play a crucial role in ensuring our Dutch-speaking clients receive outstanding support for our innovative products.

Key Responsibilities

• Provide exceptional technical support to Dutch-speaking customers through various communication channels including phone, email, and chat.
• Identify, troubleshoot, and resolve technical issues with products and software efficiently.
• Explain solutions clearly to customers, walking them through the necessary steps.
• Log and track customer interactions and solutions in our CRM system.
• Work alongside product teams to report and escalate more complex technical problems.
• Continuously update your knowledge on product features and technical updates to enhance customer support.

Requirements

🚀 Are you passionate about customer service and fluent in Dutch? Join our amazing team at Mercier Consultancy MD as a Dutch Speaking Remote Customer Service Representative! This is an incredible opportunity to work remotely from anywhere in the world.

Your journey begins with a comprehensive 3-month training and trial program in Greece, where you will gain invaluable hands-on experience while collaborating with our supportive team. Once you complete your training, you'll transition to remote work, providing top-notch service to clients across the globe.

What You’ll Do:

• Deliver exceptional customer support to Dutch-speaking clients through various channels such as phone, email, and chat.
• Effectively resolve inquiries, ensuring a positive experience with every interaction.
• Master our client systems and processes during the training program to enhance your efficiency.
• Work flexibly from anywhere while staying connected with an enthusiastic global team.
• Seize the opportunity to grow your career within a high-performing environment.

Requirements