Staff Mobile Engineer (React Native)

Location: Fully remote in Europe or India

Compensation: $60K - $70K

We are a fast-scaling financial technology startup operating at the intersection of Prediction Markets, AI, and Blockchain.

Our platform is currently processing $200M in annualized volume and experiencing explosive growth of 100% week-over-week. We are backed by elite institutional investors, including a $500M AUM digital asset fund and a premier AI/Crypto accelerator with a sub-1% acceptance rate. We are looking for a world-class Staff Mobile Engineer to own our iOS experience and build a high-stakes trading environment where performance is the primary product feature.

As a Staff Mobile Engineer, you will be the architectural lead and primary owner of our iOS trading experience. This is a product-critical role where your code sits directly between our users and live, real-money markets. You will work in a high-bandwidth environment alongside the CEO, COO, and founding engineering team to ship a mobile experience that rivals the best in TradFi.

Key Responsibilities:

Mercier Consultancy MD is excited to present an amazing opportunity for Dutch Speaking Customer Service Representatives at a prestigious FinTech Company, based in the beautiful surroundings of Greece. This role is ideal for individuals who are passionate about financial technology and dedicated to providing exceptional customer support. As a representative, you will assist clients in Dutch, addressing their inquiries and ensuring a seamless experience with the company's services.

Key Responsibilities

• Handle customer inquiries related to FinTech services, account management, and financial transactions via phone, email, and chat in Dutch.
• Provide accurate information about financial products, pricing, and features available to customers.
• Assist customers with technical issues related to the FinTech platform and ensure effective resolutions.
• Resolve customer complaints efficiently, ensuring high levels of satisfaction and loyalty.
• Document all customer interactions in the CRM system for accurate record-keeping and follow-up.
• Work collaboratively with the finance and technical teams to improve service delivery.
• Stay informed about industry trends and regulatory changes to ensure compliance and provide relevant advice.

Requirements

Mercier Consultancy MD is excited to announce a wonderful opportunity for Spanish Speaking Customer Service Representatives for a leading Payment Solutions Provider, based in Greece. This role is ideal for individuals who are enthusiastic about financial technology and dedicated to delivering exceptional customer support. As a representative, you will assist customers in Spanish, addressing their inquiries and helping them navigate payment solutions.

Key Responsibilities

• Handle customer inquiries related to payment solutions, transactions, and account issues via phone, email, and chat in Spanish.
• Provide accurate information on payment processing, fees, and related services.
• Assist customers with transaction inquiries and troubleshooting any issues they may encounter.
• Resolve customer complaints efficiently, ensuring a positive customer experience.
• Document all customer interactions and inquiries in the CRM system for accurate tracking and follow-up.
• Collaborate with internal teams to improve service delivery and address customer needs proactively.
• Stay informed about industry trends and payment solutions to provide informed assistance.

Requirements

Mercier Consultancy MD is excited to present an outstanding opportunity for Italian Speaking Customer Service Representatives for a leading FinTech Company, with the chance to work in vibrant Greece. This role is tailored for individuals who have a keen interest in financial technologies and are dedicated to delivering exceptional customer support. As a representative, you will assist clients in Italian, providing guidance and assistance regarding various financial services and products.

Key Responsibilities

• Manage customer inquiries related to FinTech products and services, including account setup, transactions, and troubleshooting via phone, email, and chat in Italian.
• Offer clear and concise information about financial products, helping customers understand their features and benefits.
• Assist customers with issues related to their accounts and transactions, ensuring swift resolutions.
• Resolve any complaints and feedback effectively, aiming for high levels of customer satisfaction.
• Document all customer interactions diligently in the CRM system for accurate record-keeping.
• Collaborate with internal teams to improve service delivery and enhance the overall customer experience.
• Stay informed about financial regulations, products, and industry trends to provide relevant assistance.

Requirements

Quantitative Trading Analyst (Risk Architecture)

Location: Porto, Portugal

Hybrid | Full-time

Compensation: $150K - $175K

Our client is a high-growth financial technology firm on a mission to democratize access to global markets. By leveraging blockchain technology, the organization is replacing traditional, opaque brokerage models with a transparent, permissionless trading stack. This infrastructure allows users with digital wallets to trade stocks, commodities, currencies, and digital assets with full transparency and verifiable, auditable code. Having secured over $27.9M in funding from premier venture capital firms—including General Catalyst, Jump, LocalGlobe, and Susquehanna (SIG)—the company is positioned at the forefront of the Decentralized Finance (DeFi) movement.

The organization is seeking a Quantitative Trading Analyst to architect and upgrade the risk management engine securing the protocol. This role serves as the critical bridge between Traditional Finance (TradFi) derivatives and DeFi market structures. The mandate involves rigorously quantifying protocol risk and designing systems that facilitate high-leverage trading of real-world assets while mathematically ensuring protocol solvency.

Key Responsibilities

Reinforcement Learning (RL) Engineer

Location: New York (Office)

On-site | Full-time

Compensation: Competitive

Our client is an elite development firm and a high-growth software company responsible for building the infrastructure behind the world’s largest crypto social networks and digital asset launchpads. Operating at the frontier of decentralized finance, the organization is composed of a mission-driven group of builders who prioritize speed, technical excellence, and talent density.

The organization is seeking a Reinforcement Learning (RL) Engineer to take end-to-end ownership of an RL-driven trading agent. This individual will manage real capital to increase trading volume and user participation within a high-velocity memecoin ecosystem. This is a high-stakes role designed for a "single-owner" expert who can bridge the gap between sophisticated modeling and live financial production. The successful candidate will transition existing heuristic-based systems toward learning-based approaches while enforcing rigorous risk parameters in a 24/7 global market.

Key Responsibilities

Mercier Consultancy MD is excited to offer an outstanding opportunity for Portuguese Speaking Customer Service Representatives for a leading FinTech company located in Greece. This role is tailored for individuals who are passionate about financial technology and have a knack for delivering exceptional customer service. As a representative, you will assist customers in resolving their inquiries related to financial products and services while communicating effectively in Portuguese.

Key Responsibilities

• Handle customer inquiries regarding FinTech products, services, and account issues via phone, email, and chat in Portuguese.
• Provide information on product features, account setup, transactions, and security measures.
• Assist customers in troubleshooting issues related to online banking and mobile applications.
• Resolve customer complaints and concerns promptly, ensuring customer satisfaction.
• Document all interactions accurately in the CRM system to maintain detailed records.
• Collaborate with technical and support teams to address complex issues effectively.
• Stay informed about the latest trends in the FinTech industry and the company’s offerings to provide up-to-date assistance to customers.

Requirements

Product Marketing Manager (Stablecoin & Fintech)

Location: Jersey City (Hybrid)

Hybrid | Full-time

Compensation: $150K - $165K

Our client is a high-performance financial technology firm backed by world-class investors, including Paradigm and Dragonfly. The organization is dedicated to transforming the global movement of money by building a next-generation stablecoin infrastructure and a full-service platform that makes issuing, managing, and integrating digital dollars seamless for developers, fintechs, and institutions alike.

The Product Marketing Manager serves as a critical bridge between the product and the global market. This is a strategic, hands-on role that owns the full customer lifecycle. The successful candidate will act as both a strategist and a trusted advisor, shaping how prospects discover the platform, how new customers are onboarded, and how they scale. This role requires a blend of data-driven insight and creative storytelling to turn complex technical features into compelling narratives that drive measurable growth and long-term adoption.

Key Responsibilities

Mercier Consultancy MD is seeking enthusiastic Polish Speaking Customer Service Representatives for a leading Payment Solutions Provider, with an exciting opportunity to work in Greece. This role is perfect for individuals who thrive in a customer-focused environment and are looking to contribute to the dynamic financial technology sector. In this position, you will assist customers in navigating payment solutions and services while providing top-notch support in Polish.

Key Responsibilities

• Handle customer inquiries related to payment processing, account management, and technical issues via phone, email, and chat in Polish.
• Provide clear and accurate information regarding payment solutions, product features, and troubleshooting steps.
• Assist customers with transaction inquiries, disputes, and account-related concerns.
• Resolve customer complaints and technical issues efficiently while ensuring customer satisfaction.
• Document all customer interactions thoroughly in the CRM system for accurate follow-up.
• Collaborate with technical teams to ensure prompt resolution of customer issues.
• Stay informed about industry trends and updates in payment solutions to provide informed assistance.

Requirements

Mercier Consultancy MD is thrilled to announce an exciting opportunity for German Speaking Customer Service Representatives at a leading FinTech company, with the option to work in beautiful Greece. This role is perfect for those who are both passionate about finance technology and dedicated to providing exceptional customer support. As a representative, you will assist German-speaking clients with inquiries regarding financial products and services, ensuring a seamless and supportive experience.

Key Responsibilities

• Address customer inquiries regarding FinTech products and services via phone, email, and live chat in German.
• Provide assistance with account management, transactions, and troubleshooting technical issues.
• Guide customers through usage instructions and features of the FinTech platform.
• Document all interactions accurately in our CRM system for tracking purposes.
• Collaborate with product and technical teams to resolve complex issues and improve customer experiences.
• Stay current with industry trends and product updates to better assist clients.

Requirements