Who are we?

SupportYourApp is an international Support-as-a-Service company that has been providing business process outsourcing services to other IT companies around the globe (technical and customer support, services to improve customer experience) for the past 15 years. We have 1500+ people in our international community.

We operate globally, supporting clients in 60 languages, partnering with industry leaders like MasterCard, Calm and MacPaw. With international hubs and coworking spaces around the world, we also develop innovative products like Quidget and improve the customer experience every single day.

About the role:

We are looking for a Legal Counsel to join our community — someone who is eager to apply their knowledge of international law, gain experience working with a global IT company, communicate with clients from all over the world, and collaborate on interesting and complex tasks together with our Chief Legal Officer.

Sounds exciting? There’s more to come 💛

What you will do:

Who are we?

SupportYourApp is an international Support-as-a-Service company that has been providing business process outsourcing services to other IT companies around the globe (technical and customer support, services to improve customer experience) for the past 15 years. We have 1500+ people in our international community.

We operate globally, supporting clients in 60 languages, partnering with industry leaders like MasterCard, Calm and MacPaw. With international hubs and coworking spaces around the world, we also develop innovative products like Quidget and improve the customer experience every single day.

About the role:

We are looking for a Legal Counsel to join our community — someone who is eager to apply their knowledge of international law, gain experience working with a global IT company, communicate with clients from all over the world, and collaborate on interesting and complex tasks together with our Chief Legal Officer.

Sounds exciting? There’s more to come 💛

What you will do:

Staff Frontend Engineer

Location: New York

On-site | Full-time

Compensation: Competitive

Our client is a high-performance technology development firm responsible for building and operating the foundational infrastructure behind the world’s most active digital asset launchpads. The systems managed by this organization are characterized by low latency, high throughput, and constant high-concurrency load. This is a mission-critical environment where technical precision is paramount; the frontend systems must remain resilient and performant under the weight of hundreds of thousands of active users.

The organization is seeking a Staff Frontend Engineer to own the design and evolution of large-scale frontend architecture. This is a hands-on, high-impact role focused on building fast, reliable, and maintainable user-facing systems. The successful candidate will join an elite team of builders where the pace is intense, expectations are high, and the impact of every deployment is immediate.

Key Responsibilities

Solana Program Engineer

Location: New York (Office)

On-site | Full-time

Compensation: Competitive

Our client is a high-performance technology development firm responsible for building and operating the foundational infrastructure behind the world’s most active digital asset launchpads. The systems managed by this organization are defined by ultra-low latency, high throughput, and constant high-concurrency load. This is a mission-critical environment where technical precision is paramount; these systems operate under extreme real-world pressure where the margin for error is non-existent.

The organization is seeking a Staff Solana Program Engineer to design, build, and maintain on-chain programs that operate under heavy transaction volume. This is a hands-on role requiring absolute technical ownership and a deep understanding of blockchain performance. The successful candidate will join an elite team of builders where the pace is intense, expectations are high, and the impact of every deployment is immediate.

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

Embedded Systems Engineer (Backend & Firmware)

Compensation: $180K - $300K

Location: North America preferred (Would consider South America if can work EST working hours)

We are a lean, high-velocity technical team building the infrastructure that powers the world’s most sophisticated AI models. Our core mission is to democratize access to high-quality public web data at a global scale. We support and power Grass, a massive distributed bandwidth-sharing network and crawler, while simultaneously managing pipelines that process billions of videos, transcripts, and audio files for frontier AI labs.

As an Embedded Systems Engineer, you will be a pivotal member of a small, elite team. This isn't just a firmware role; it’s a hybrid challenge where low-level systems meet high-scale backend architecture. You will lead the effort to architect scalable solutions, optimize networked device firmware, and drive technical excellence to ensure our distributed network remains the backbone of the open web data movement.

Requirements

We are looking for a builder who thrives in a "no red tape" environment and possesses a deep understanding of how software interacts with hardware and networks.

We are a growth team responsible for basically the growth of the company. We are looking for a Performance Analyst who will own event tracking, attribution quality, and traffic efficiency across mobile and web products.

Responsibilities

• Implement and maintain event tracking for mobile apps and web platforms.
• Work with 3rd-party tracking platforms (Adjust, AppsFlyer)
• Postback setup and reconciliation
• Integrate and support SDKs (mobile & web) in close collaboration with engineering teams
• Work with Google Firebase: event configuration and validation funnel, retention, and behavioral analysis
• Work with Google ICM and Facebook AEM
• Design and maintain server-to-server (S2S) tracking: client vs server-side event logic
• Monitoring and resolving data discrepancies
• Analyze traffic quality and data efficiency:

- Identify low-quality or fraudulent traffic
- Analyze cohort behavior, retention, LTV, and conversion paths

• Apply anti-fraud techniques:

- Detect abnormal patterns (click spamming, SDK spoofing, bot traffic, attribution fraud)
- Collaborate with platforms and ad networks on fraud prevention
- Build and maintain whitelists and blacklists of traffic sources, placements, and publishers

Mercier Consultancy MD is thrilled to offer an exciting opportunity for Portuguese Speaking Customer Service Representatives for a Sports Betting Platform based in Greece. This role is perfect for individuals who are passionate about sports and customer service. As a representative, you will assist customers in navigating the sports betting platform while providing support and information in Portuguese.

Key Responsibilities

• Manage customer inquiries related to sports betting operations, account management, and platform features via phone, email, and chat in Portuguese.
• Provide detailed information on betting options, promotions, and rules of play.
• Assist customers with account registration, deposits, withdrawals, and betting transactions.
• Resolve customer issues and complaints efficiently, ensuring a positive betting experience.
• Document all customer interactions accurately in the CRM system for effective follow-up.
• Collaborate with other departments to enhance customer satisfaction and streamline service delivery.
• Stay informed about sports events, betting trends, and platform updates to provide relevant support.

Requirements

Mercier Consultancy MD is thrilled to offer a fantastic opportunity for Portuguese Speaking Customer Service Representatives to join our team supporting an online marketplace in Greece. This exciting role is perfect for individuals who are passionate about e-commerce and customer engagement. As a representative, you will communicate with customers primarily in Portuguese, assisting them with various inquiries related to products and services.

Key Responsibilities

• Handle customer inquiries related to online marketplace products, order statuses, and account issues via phone, email, and chat in Portuguese.
• Provide comprehensive information on product specifications, availability, and pricing.
• Assist customers with order processing, returns, and refunds while ensuring a seamless experience.
• Resolve customer complaints and provide solutions in a timely and efficient manner.
• Document interactions and maintain accurate records in the CRM system.
• Collaborate with internal teams to enhance customer experience and address any concerns promptly.
• Stay informed about the latest trends in online shopping and the marketplace's offerings to deliver effective support.

Requirements

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