Location: Remote - US or EU

Remote | Full-time

Compensation: $160K - $240K

Our client operates a core banking platform designed specifically for digital assets, enabling fintechs and systemically important financial institutions to build, operate, and scale onchain infrastructure. The platform secures over €100B in assets and powers critical operations—including key management, transaction processing, treasury, and compliance—for over 400 global institutions.

Our client is seeking a Principal Security Engineer to lead product security across the entire ecosystem. In this role, security is built directly into the system's architecture rather than applied as a secondary control. The ideal candidate will take ownership of hardening key management, signing workflows, authentication systems, policy enforcement, and multi-chain integrations.

Beyond core product security and vulnerability management, this position plays a pivotal role in shaping the long-term architectural vision of a platform trusted by tier-one financial institutions. As an organization committed to technical excellence, our client also encourages contribution to the broader security community through research, publications, and industry events.

Key Responsibilities

Gritter Francona is looking for a Data Modeler to provide technical expertise in the design, development, implementation, and maintenance of enterprise data models supporting the Veterans Health Administration (VHA) Veterans Family Member Program (VFMP) Modernization Portfolio. This role is responsible for designing logical and physical data models that enable modernization initiatives, improve operational efficiency, and ensure the integrity, accessibility, and security of enterprise data.

The Data Modeler works closely with business stakeholders, architects, application developers, Electronic Data Interchange (EDI) specialists, and Integrated Project Teams (IPTs) to develop scalable data solutions that support VFMP's modernization objectives. The role ensures that data architecture supports high-volume business operations, system interoperability, and long-term maintainability while enabling accurate reporting, performance measurement, and informed decision-making.

Location: Remote - Based in the United States

Remote  | Full-time

Compensation: $220K - $300K

Job Description

We are hiring on behalf of our client, an elite team of engineers and cryptographers building the infrastructure behind the next generation of financial systems who are seeking a Senior Infrastructure Engineer. This position is responsible for designing, operating, and scaling the core systems that power a highly secure, high-performance platform.

The successful candidate will build and maintain the infrastructure supporting wallet services, transaction processing, and blockchain integrations. Operating at the intersection of distributed systems, cybersecurity, and cloud infrastructure, this individual will ensure the platform remains exceptionally reliable, secure, and performant. This role extends beyond routine infrastructure operations; it requires a strategic mindset to design resilient architectures, automate complex operations, and continuously optimize deployment, monitoring, and security protocols. The engineer will collaborate closely with cross-functional engineering, product, and security teams to deliver an infrastructure capable of handling intensive, real-world financial workloads.

Key Responsibilities

Location: Remote - Singapore

Remote | Full-time

Compensation: $60K - $80K

We are hiring on behalf of our client who is a high-growth financial technology firm focused on the next generation of digital dollar infrastructure. Backed by premier venture capital firms, including Paradigm and Dragonfly, the organization is building a full-service platform designed to make issuing, managing, and integrating stablecoins seamless for developers, fintechs, and global institutions.

The organization operates with the discipline of a high-performance finance team and the agility of a crypto-native startup. To support their expanding global footprint, the firm is seeking a FinOps Analyst. This individual will play a vital role in delivering best-in-class operations across product lines, spanning asset issuance, reconciliation, and strategic projects.

This is a hands-on role requiring a high bar for excellence, an instinct for questioning assumptions, and the drive to take ownership of complex, high-impact workflows.

Key Responsibilities

Location: New York, United States • London, United Kingdom (Office)

On-Site | Full-time

Compensation: Competitive Compensation

Our client is a high-growth software development company and a major contributor to one of the largest and fastest-growing crypto social networks globally. Operating in a high-velocity, high-impact environment, the organization builds cutting-edge infrastructure that supports massive global transaction volumes and substantial revenue generation.

The organization is seeking a Staff Software Engineer (Payments) to design and build the core payment services at the center of this ecosystem. This is a senior, high-ownership role designed for an engineer who thrives on solving hard, ambiguous problems end-to-end—from the moment money enters the system to final settlement, reconciliation, and delivery.

Operating within a lean team of highly experienced engineers, the successful candidate will focus on 0→1 development, moving quickly while maintaining the absolute rigor required for financial systems. The engineering culture prioritizes low bureaucracy, continuous production deployment, and trust in individual judgment over rigid processes.

Key Responsibilities

Location: Candidates based in Hong Kong or Singapore

Remote | Full-time

Compensation: $160K - $240K

We are hiring on behalf of our client who is seeking a Principal Software Engineer based in Hong Kong or Singapore to spearhead the design and evolution of core backend systems. This role is instrumental in driving the architecture of services powering wallet operations, transaction processing, and multi-blockchain integrations.

The successful candidate will lead efforts to ensure systems remains fast, reliable, and secure while scaling across global financial markets. Beyond technical implementation, this individual will guide architectural decisions, elevate engineering standards, and mentor senior engineers. The role involves close collaboration with product, security, and leadership teams to align technical execution with company priorities, ensuring infrastructure performs optimally under real-world financial workloads.

Key Responsibilities

Mercier Consultancy MD is excited to offer an opportunity for Portuguese Speaking Customer Service Representatives for an Investment Platform based in Greece. This role is ideal for individuals with a passion for finance and investments, who also thrive in a customer-focused environment. As a member of our customer service team, you will assist clients in navigating their investment inquiries while providing exceptional service in Portuguese.

Key Responsibilities

• Manage customer inquiries related to investment products, services, and account management via phone, email, and chat in Portuguese.
• Provide detailed information on investment options, performance reports, and platform functionality.
• Assist clients with account setup, transaction processing, and any associated queries.
• Resolve customer complaints and issues promptly, ensuring a high level of client satisfaction.
• Document all client interactions accurately in the CRM system for effective follow-up.
• Collaborate with the investment team to address client-specific needs and concerns.
• Stay informed about market trends and investment strategies to provide relevant insights to clients.

Requirements

Mercier Consultancy MD is excited to announce a fantastic opportunity for a Customer Service Representative at Pluxee, working remotely from anywhere in Greece. This role is tailored for individuals who are passionate about delivering exceptional customer service and wish to contribute to a dynamic team. As a customer service representative, you will assist clients with inquiries, product information, and support, ensuring a seamless customer experience.

Key Responsibilities

• Respond to customer inquiries related to Pluxee services and products via phone, email, and chat.
• Provide precise information and assistance regarding customer accounts, transaction processing, and troubleshooting.
• Handle customer complaints empathetically and work towards effective resolutions.
• Document customer interactions accurately within the CRM system.
• Collaborate with team members to enhance customer satisfaction and service efficiency.
• Stay updated on Pluxee’s offerings and promotions to better inform customers.

Requirements

Mercier Consultancy MD is pleased to announce an opening for German Speaking Customer Service Representatives for a leading financial services company located in Athens. This role is perfect for individuals who are detail-oriented and are passionate about providing exceptional service within the financial sector. As a customer service representative, you will assist clients with their inquiries and ensure they receive knowledgeable support in German.

Key Responsibilities

• Handle customer inquiries related to financial products and services via phone, email, and chat in German.
• Provide information on account management, investment options, and financial regulations.
• Assist customers with transaction processing, problem resolution, and account updates.
• Document all customer interactions accurately in the CRM system for tracking and follow-up.
• Work closely with internal teams to ensure customer issues are resolved efficiently and effectively.
• Stay informed about market trends and changes in financial services to offer relevant advice to customers.

Requirements

🔗 Senior EVM & Web3 Engineer - Enterprise Distributed Ledger

Location: Remote - US - Open to Europe if happy to overlap with EST

Compensation: Competitive

We are hiring on behalf of our client who is a fast-growing software company dedicated to supporting and servicing an open source, proof-of-stake platform that is EVM-compatible. This network is specifically built to meet the needs of enterprise and Web3 applications, prioritizing speed, security, and stability. They are seeking a seasoned Smart Contract Engineer to join their team, focusing on developing both the core Java services and the Web3 APIs (JS/TS) that process transactions across their network.

You will be a high-impact, hands-on programmer, spending approximately 80% of your time designing, coding, and testing. Your primary focus will be enhancing EVM compatibility and improving the developer experience (DevEx) for users migrating from other EVM chains. This includes both low-level transaction processing in Java and high-level API development for public consumption.

Key Responsibilities: