Validator BD Lead - High-Performance Blockchain Infrastructure

Location: Remote - Europe or North America

Compensation: $140K - $150K

We are reengineering blockchain infrastructure from first principles to make global digital markets as precise and dependable as physical systems. Built on a leading high-performance blockchain, our platform delivers deterministic execution, guaranteed inclusion, and low-latency performance, solving foundational failures that plague current systems. We are building the reliability and control institutions demand, and we are seeking a Validator BD Lead to drive the adoption of this critical infrastructure across the validator ecosystem.

As the Validator BD Lead, you will own and drive the validator engagement strategy, serving as a critical, high-ownership role that will shape our go-to-market efforts and partnership model as we prepare for mainnet. You will lead efforts to build relationships with top-tier validators and ensure successful adoption of our infrastructure.

Key Responsibilities:

DeFi Market Analyst - Risk & Innovation

Location: Remote - Preference for NYC - Will accept Remote Europe & USA to work EST

Compensation: $120K - $150K

We are a technology company that builds cutting-edge risk management systems, oracles, and AI models to make markets safer and more accessible. Our platform is trusted by leading protocols in decentralized finance (DeFi), securing and managing billions of dollars in assets. We are seeking a talented DeFi Market Analyst to join our team, reporting directly to the Innovation Lead, to help shape the future of decentralized finance.

As a DeFi Market Analyst, you will be crucial in expanding our trading capabilities, optimizing incentive programs, and providing actionable quantitative insights. This role requires a strong blend of market research, quantitative analysis, and operational efficiency to improve execution quality across our platform.

Responsibilities:

Mercier Consultancy MD is excited to announce an opening for an Online Safety Specialist fluent in Polish and English, with the added benefit of paid relocation to Sofia, Bulgaria! In this pivotal position, you will be integral in maintaining a secure online environment for our users by monitoring and managing online content, addressing safety issues, and upholding community standards.

Key Responsibilities

• Monitor user-generated content and online interactions to identify potential violations of safety protocols and community guidelines.
• Conduct in-depth investigations into reported safety incidents, analyzing data and evidence to determine the most effective responses.
• Collaborate with various teams across the organization to develop and refine safety policies that promote digital trust.
• Prepare detailed reports on safety incidents and trends to inform stakeholders and guide improvements in safety processes.
• Stay informed about emerging digital threats and best practices in online safety to proactively enhance our protocols.
• Educate users about online safety practices and procedures to raise awareness and encourage safe behavior.

Requirements

Do you want the challenge — and the reward — of building your own book of business?

At Keycafe, we’re looking for an Account Executive who thrives on creating new opportunities, closing deals, and owning an entire territory or industry segment. This isn’t account management or order processing — it’s a chance to be entrepreneurial inside a growing SaaS/IoT company and essentially build a business of your own.

What You’ll Do

• Own a market — you will be focused on the Australian market, and you’ll be responsible for growing our top segments as if it were your own business.
• Run high-impact demos that clearly show prospects how our SmartBox product solves their operational challenges.
• Drive the full sales cycle: prospecting, outreach, demos, negotiation, and close.
• Experiment and adapt — try new outreach methods, refine your pitch, and find creative ways to break through.
• Collaborate across teams to ensure smooth handoffs and long-term customer success.

Why Join Keycafe

Lead Mobile Engineer - Fintech/Blockchain

Location: Remote - Location: US or EU (remote-first, office optional). Based in EST time zone preferably and as close to France, Paris is always the major preference.

Compensation: $140K - $220K

We are hiring a Lead Mobile Engineer to drive the user-facing side of our secure, next-generation financial platform. This remote-first role is focused entirely on mobile, requiring you to design, build, and refine our iOS and Android applications, craft intuitive cross-platform interfaces, and shape the mobile SDKs that developers rely on. This is a critical opportunity to turn complex financial requirements into simple, trustworthy workflows while owning projects end-to-end.

As the Lead Mobile Engineer, you will set the technical direction for our user-facing mobile experience, balancing fintech-grade UX with bank-grade security and reliability. You will be responsible for bringing complex requirements into production quickly and rigorously.

Responsibilities:

Head of Risk - Stablecoin Infrastructure

Location: New York City (Hybrid)

compensation: Competitive salary

We are a technology company transforming how money moves. Our mission is to build the financial fabric of the future, underpinned by trusted, accessible stablecoins that are programmable, composable, and ubiquitous. We are building a full-service platform for issuing, managing, and integrating digital dollars, backed by world-class investors. Join our small, mission-driven team that applies the discipline of high-performance finance to a fast-moving, crypto-native startup.

We are seeking an experienced Head of Risk to build and lead the development, implementation, and oversight of our organization’s comprehensive risk function. This role is a subject matter expert position, requiring deep knowledge of financial services regulatory requirements and the unique risks inherent in digital assets. You will own the entire risk framework, ensuring continuous alignment with best practices for safety, soundness, and consumer protection.

Key Responsibilities:

Mercier Consultancy MD is thrilled to offer entry-level job opportunities for Polish speakers looking to kick-start their careers with a paid relocation package to Sofia, Bulgaria! This is a fantastic chance for individuals seeking to develop their professional skills while experiencing the rich culture and vibrant lifestyle of Bulgaria’s capital. In these roles, you will receive comprehensive training and support while contributing to various projects within the company.

Key Responsibilities

• Engage in multiple tasks across different departments to gain practical experience and develop your skills.
• Collaborate with team members to complete projects and contribute to team goals.
• Communicate effectively with colleagues and clients in Polish.
• Participate in training programs to enhance your knowledge and competencies.
• Provide feedback and insights based on your experiences to help refine processes.

Requirements

Join Mercier Consultancy MD as a Dutch Soft Sales Care representative, where you will have the exciting opportunity to work remotely from Bulgaria with paid relocation! We're looking for enthusiastic individuals who possess a knack for customer service and can effectively engage clients through soft sales techniques. You will play a crucial role in enriching the customer journey while promoting our innovative solutions.

Key Responsibilities

• Manage inbound calls and queries from Dutch-speaking customers, delivering outstanding support and information.
• Employ a soft sales methodology to understand customer needs and suggest appropriate products or services.
• Establish and nurture long-lasting relationships with customers to ensure satisfaction and loyalty.
• Accurately document customer interactions and maintain updated records in our CRM system.
• Work collaboratively with colleagues to refine sales approaches and enhance overall customer experience.
• Engage in ongoing training sessions to further develop your sales skills and product familiarity.

Requirements

Mercier Consultancy MD is thrilled to offer a remarkable opportunity for a Dutch Soft Sales Care position, working remotely in beautiful Bulgaria with paid relocation! This role is ideal for individuals who are skilled communicators and passionate about providing exceptional customer service while achieving sales goals. As part of our team, you will help clients through a consultative sales approach, enhancing their experience with our services.

Key Responsibilities

• Handle inbound calls and inquiries from Dutch-speaking clients, providing them with support and information about our offerings.
• Utilize a soft sales approach to identify client needs and recommend appropriate solutions.
• Build and maintain strong customer relationships to foster loyalty and satisfaction.
• Document interactions and maintain accurate records of customer conversations in the CRM system.
• Collaborate with team members to improve sales strategies and enhance the customer experience.
• Participate in ongoing training and development to refine your sales skills and product knowledge.

Requirements

Do you want the challenge — and the reward — of building your own book of business?

At Keycafe, we’re looking for an Account Executive who thrives on creating new opportunities, closing deals, and owning an entire territory or industry segment. This isn’t account management or order processing — it’s a chance to be entrepreneurial inside a growing SaaS/IoT company and essentially build a business line of your own.

What You’ll Do

• Own a market — you will be focused on a specific industry based on your prior experience, and you’ll be responsible for growing it as if it were your own business.
• Run high-impact demos that clearly show prospects how our SmartBox product solves their operational challenges.
• Drive the full sales cycle: prospecting, outreach, demos, negotiation, and close.
• Experiment and adapt — try new outreach methods, refine your pitch, and find creative ways to break through.
• Collaborate across teams to ensure smooth handoffs and long-term customer success.

Why Join Keycafe