Mercier Consultancy MD is excited to present a fantastic opportunity for a Polish Speaking Player Support Specialist for Riot Games, based in Sofia, Bulgaria. This is a great chance for individuals who are passionate about gaming and eager to help fellow players enhance their gaming experience. In this role, you will provide top-tier support to Polish-speaking players, addressing their various inquiries and ensuring they receive the best assistance possible.

Key Responsibilities

• Deliver high-quality support to Polish-speaking players through multiple communication channels, including ticketing systems and live chat.
• Assist players with inquiries related to game mechanics, account management, and technical issues.
• Resolve player concerns efficiently to enhance satisfaction and loyalty.
• Maintain accurate documentation of player interactions and feedback to support continuous improvement.
• Collaborate with game developers and community teams to relay player insights and concerns.
• Stay informed about new game features, updates, and best practices in customer support.

Requirements

Token GTM & Operations Lead (TGE/Launchpad Focus)

Location: Remote - Asia - preference for Singapore and Hong Kong

Compensation: $120K - $180K

We are a rapidly scaling platform at the intersection of AI generation and Web3, enabling users to instantly build, launch, and monetize AI-generated applications with integrated token economics. With a substantial user base and app count, we are preparing for our public token generation event (TGE) and scaling a novel, IPO-style token launch mechanism for our ecosystem builders.

We are seeking a Token Go-To-Market (GTM) & Operations Lead to own the full lifecycle of our platform's upcoming token launch, from hype generation and execution to post-launch stabilization. This role also involves operationalizing our unique token launch mechanism for ecosystem partners.

This is an ideal role for a crypto-native operator who has experience running launchpads, token issuance pipelines, or market-structure functions, combined with a strong instinct for narrative, attention, and community growth.

You will own the entire front-side execution of our TGE, ensuring maximum growth, hype, attention, and community activation from pre-launch through post-launch momentum. This is a highly operational role requiring a hands-on approach to driving measurable success.

Key Responsibilities

Head of Product (Crypto & AI Consumer Platform)

Location: Remote - Sliding scale - PST preference, US Remote, Asia, Europe

Compensation: $120K - $240K

We are a rapidly evolving technology company building the next generation of consumer products at the intersection of Crypto and AI. Our platform gives users the power to spin up on-chain applications, launch custom tokens, and raise capital in minutes. We are looking for a senior, crypto-native Head of Product who can own our product strategy and execution end-to-end.

This role requires a leader who has demonstrated founder or near-founder level ownership of an entire product surface, ideally within DeFi, a launchpad, or a DEX. You will partner directly with the founding team, drive strategy across our core crypto surfaces, and significantly elevate the quality, taste, and execution speed across the organization.

You will have complete end-to-end accountability for the product strategy and execution across the platform's critical crypto ecosystem.

Key Responsibilities

We are looking for a highly analytical and detail-oriented Analyst / Business Assistant who will support executive decision-making through modeling, data control, and operational coordination.

This role combines analytical work, product support, and operational assistance — ideal for someone who is fast, structured, and comfortable working directly with top management..

Responsibilities

• Build and maintain financial and operational models to support strategic decisions.
• Assist with procurement and logistics of mining equipment (selection, delivery coordination, cost tracking).
• Monitor and analyze key product metrics:

– NFT pricing

– automatic shutdown system

– “miner in installments” product

• Develop and update profitability and cost-efficiency models for hosting services.
• Maintain several operational spreadsheets and dashboards, ensuring daily updates and 100% data accuracy.
• Prepare short reports, insights, and options for decision-making.
• Work closely with executive leadership to support ongoing operational and strategic initiatives.

Requirements

Senior Software Engineer - Rust

Location: Remote - European time zone

Start Date: Aiming for 15/12/2025

Job Department/BU: Engineering

Job Function: Development

We are seeking a highly skilled and experienced Senior Software Engineer focused on the Rust programming language to join our innovative Engineering team. In this pivotal role, you will be instrumental in elevating our software development processes and actively contributing to high-quality product delivery. You will serve as a technical and mentoring leader, driving best practices across multiple teams and codebases.

The Senior Software Engineer is responsible for driving the quality of engineering practices within a team, identifying and implementing cross-team improvements, and directly contributing to product development. This role requires technical leadership, mentorship, and a commitment to continuous improvement in our software building and maintenance processes.

Key Responsibilities:

Senior Data Scientist - Economic Risk & DeFi Simulation

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

Compensation: $130K - $150K

We are the first automated, on-chain economic security system, trusted by leading protocols managing billions of dollars (including Aave, GMX, dYdX, and others). We provide actionable insights by analyzing protocol mechanics and scenario implications using world-class custom EVM simulations. We are seeking a proactive and results-driven Senior Data Scientist to advance our modeling capabilities and deliver powerful data insights across decentralized finance.

Reporting to the Head of Economic Risk & Strategy, you will play a critical role in strategic research, simulation, and risk analysis for market-leading protocols. This involves deep diving into complex crypto systems, modeling actor behavior, and translating intricate simulation results into intuitive, game-changing analytics for our institutional customers.

Responsibilities:

Head of Growth - Institutional On-Chain Liquidity Layer

Location: Remote - US - Would consider South America or Canada + Preference for onsite/hybrid in LA

Compensation: $200K - $225K

We are a venture-backed on-chain financial infrastructure company building the liquidity layer for the tokenized economy, backed by leading investors. Our flagship protocol, deployed across multiple chains, connects tokenized real-world assets (RWAs) and high-quality stablecoins to enable 24/7, real-time, compliant capital movement for institutions. Live in production with partners including major global asset managers, we are seeking our first dedicated Head of Growth to own institutional and DeFi adoption and turn product-market fit into repeatable revenue.

Reporting directly to the Founder/CEO, you will be the core GTM leader, responsible for building the revenue engine across enterprise sales, strategic partnerships, and ecosystem development globally. This is a highly hands-on role where you will define the strategy, own the pipeline and forecast, design scalable playbooks, and close lighthouse deals across exchanges, stablecoin issuers, asset managers, and corporate treasuries.

Key Responsibilities:

Quantitative Trading & Market Microstructure Specialist - High-Performance DEX

Location: Remote - Global (Preference for candidates based in: Lisbon, Portugal / UAE / Switzerland / Singapore / Hong Kong / Brazil / USA / UK / Spain / Canada / France / Germany / Greece)

Compensation: $180K - $220K

We are building a high-performance blockchain operating system that fundamentally redefines what's possible on Ethereum by prioritizing unparalleled throughput, decentralization, and security. We are now expanding the team for O2, a new, early-stage project: a next-generation decentralized exchange (DEX) running on our modular execution layer. Designed as a Central Limit Order Book (CLOB), our goal is to build the fastest DEX ever constructed, leveraging parallel execution to unlock high-frequency trading efficiency fully on-chain.

You will play a foundational role, leveraging your expertise in market making and quantitative trading to model, simulate, and optimize the market behavior of our core CLOB protocol. This is a highly hands-on role where you will design and test trading strategy logic, build simulation frameworks, and collaborate with engineering and research to inform critical protocol-level design decisions.

Key Responsibilities:

Protocol Backend Engineer - Stablecoin Platform

Location: North American-based candidate only

Remote | Full-time

Compensation:  $180K - $220K

Join a stablecoin platform for builders, providing a superior digital-dollar building block that allows developers to create and customize their own stablecoins in minutes. This platform enables businesses to monetize digital dollar use cases and maintain control over their money tech stack without operational heavy-lifting, offering features like custom branding, compliance behaviors, and yield distribution mechanics.

We are hiring on behalf of a company who is seeking an experienced Protocol Backend Engineer. In this role, you will enhance the growing set of $M Extensions projects, support partners' technical teams, improve existing products, and create and maintain comprehensive documentation.

Key Responsibilities

Protocol Integration Engineer - Stablecoin Platform

Location: Preference for EST-based candidates

Remote | Full-time

Compensation: $170K - $180K

Our client is a pioneering stablecoin platform designed specifically for builders and developers. The platform empowers users to create customized stablecoins in minutes by extending a superior digital-dollar building block. This framework allows businesses to monetize digital dollar use cases and maintain full control over their financial technology stack—customizing branding, compliance behaviors, and yield distribution mechanics—without the burden of operational heavy-lifting.

The organization is seeking an experienced Protocol Integration Engineer to join its growing team. This individual will play a vital role in enhancing a growing set of extension projects, providing technical support to partner engineering teams, improving existing products, and maintaining comprehensive technical documentation.

Key Responsibilities