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

Head of Marketing

Craft the Story of How Ethereum Wins Institutional Adoption

Location: NYC based candidates are the preference but they're open to US remote for exceptional candidates.

Compensation: $200K - $300K

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

We are seeking a visionary Head of Marketing to own our 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 we prepare to reveal a series of groundbreaking products in 2026. This is a role for a storyteller who understands that for us to win, Ethereum must win—and you will be the one articulating that victory to the world.

Requirements

We need a proactive, autonomous operator who can navigate complex technical landscapes and high-level executive boardrooms with equal ease.

Who we are:

Financeit is a point-of-sale financing provider serving some of the largest home improvement and retail organizations in Canada.

Our platform helps businesses close more sales by offering customers affordable monthly payment options for their next big home improvement, vehicle or retail purchase.

We are small enough that you can make an impact within the company and large enough to make an impact in the market.

Financeit is a company where collaboration, inclusivity, fairness, and respect aren’t just ideas that get talked about, but are part of who we are. If such a workplace intrigues you, we hope you’ll join us.

About the role:

Reporting to the Inside Sales Manager, this B2B role involves managing merchant relationships and working directly with business owners, finance managers, and sales agents across Canada who wish to use our consumer financing platform. To be successful in this role, you will need to be motivated, organized, detail-oriented and focused on customer service above all else. You are an enthusiastic, team player with a positive attitude, and are regarded as a strong and personable communicator. You are comfortable multi-tasking in a fast-paced and high-pressure environment, while holding yourself accountable for results.

What you'll do:

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 thrilled to present an exciting opportunity for Polish Speaking Customer Service Representatives for a leading FinTech company based in Greece. This role is perfect for individuals who have a passion for finance technology and are dedicated to delivering exceptional customer service. As a customer service representative, you will assist clients in navigating their financial inquiries and services, all while communicating effectively in Polish.

Key Responsibilities

• Manage customer inquiries regarding FinTech products and services via phone, email, and chat in Polish.
• Provide detailed information on account management, transaction processes, and financial products.
• Assist customers with resolving issues related to their accounts and transactions.
• Educate clients on navigating the FinTech platforms and available financial solutions.
• Document all customer interactions and maintain accurate records in the CRM system.
• Collaborate with technical teams to resolve technical issues or service interruptions.
• Stay informed about industry trends and the latest FinTech developments to offer accurate guidance.

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

Mercier Consultancy MD is excited to announce an opening for a German Speaking Client Support Representative in the finance sector. This position offers the chance to work in beautiful Greece while helping clients navigate their financial needs in German. If you are a detail-oriented professional with a passion for client support, we invite you to join our dynamic team!

Key Responsibilities

• Provide exceptional support to German-speaking clients on various financial inquiries via phone, email, and chat.
• Assist clients with account management, transactions, and product inquiries, ensuring accurate and timely responses.
• Troubleshoot client issues and provide solutions to effectively resolve concerns.
• Document client interactions and maintain comprehensive records in our CRM system.
• Work closely with other departments to streamline service delivery and improve client experiences.
• Stay up-to-date with financial products and services, as well as regulatory changes, to provide informed support.

Requirements

Full Stack Engineer (Web3/DeFi)

Location: Remote Type: Full-Time

Compensation: $150K - $250K

We are a venture-backed fintech lab building the next generation of on-chain investing. Our platform is dedicated to long-term, diversified portfolios and automated rebalancing, bringing the safeguards of traditional finance to the world of DeFi. We aim to abstract away the complexities of blockchain, making it possible for anyone to invest in real-world assets (RWAs), stocks, and bonds fully on-chain.

With over 75,000 users already on board and backing from industry leaders like a16z CSX, Coinbase Ventures, and Uniswap Ventures, we are scaling rapidly. We are looking for a Full Stack Engineer to join our lean, high-throughput team. In this role, you will play a critical hand in developing our flagship product, touching every layer of the crypto stack—from backend infrastructure to front-end Web3 UX.

Key Responsibilities

Partner Engineer (Developer Relations)

Location: Remote Type: Full-Time

Compensation: $120K - $140K

We are a specialized Web3 engineering lab developing cutting-edge "Intents" technology to enable seamless cross-chain interactions. Our mission is to build a decentralized future where smart contracts, AI agents, and financial services sync in real-time across blockchain networks.

As a Partner Engineer (DevRel), you will be the bridge between our core technology and the global developer ecosystem. This role blends deep hands-on engineering with developer advocacy. You will act as the primary Point of Contact (PoC) for strategic integrations, ensuring that partners and independent developers can easily leverage our protocol within their applications.

We operate in a high-agility startup environment that values creativity, technical excellence, and a strong sense of purpose. If you are passionate about building decentralized liquidity layers and nurturing developer communities, we want to hear from you.

Key Responsibilities

Union Maritime Global Graduate Trainee Programme 2026

Company overview 

Union Maritime is a leading provider of smart shipping solutions, delivering end-to-end operational and technical expertise at scale.

As we continue to expand our global presence and strengthen our commercial operations across key markets, we are investing in the next generation of maritime leaders through the Union Maritime Global Graduate Programme.

This is an exceptional opportunity for 6 graduates in Lagos, Nigeria and 3-4 graduates in Singapore to join a pioneering cohort at Union Maritime.

Over two years and through four rotational placements, you will gain hands-on experience across business, operational, and technical streams, working directly with our global teams to develop a deep understanding of how our business operates end-to-end. 

Through this immersive experience, you will tailor your career journey while building the breadth of knowledge and leadership capability that sets you apart.

Each rotation is designed to challenge, inspire, and prepare you to take on meaningful roles across our growing international business. 

This programme represents a unique pathway for ambitious graduates to gain cross-functional exposure, global insight, and the foundation to become our future leaders. 

Programme overview