Staff Software Engineer - Distributed Ledger Execution

Location: Remote - US

Compensation: $ Competitive

We are a fast-growing software company committed to supporting, developing, and servicing an open source, proof-of-stake platform. This EVM-compatible Distributed Ledger Technology (DLT) is specifically built to meet the needs of enterprise and Web3 applications, prioritizing speed, security, stability, and sustainability. We are seeking a Staff Software Engineer to be a technical leader on our core Execution Team.

You will be responsible for delivering software services, business logic, and APIs within the core Consensus Node—the heart of our DLT. This is a high-impact role requiring deep passion for solving technical challenges involving distributed execution, state management, transaction lifecycles, and economic systems (fees, rewards). You will drive technical direction, optimize performance, and mentor engineers within a highly collaborative, open-source environment.

Key Responsibilities:

Senior Software Engineer - Developer Tools & SDKs

Location: Remote - US & Americas

Compensation: $ Competitive

We are a fast-growing software company dedicated to supporting and developing an EVM-compatible, open-source, proof-of-stake platform. This public network is engineered for enterprise and Web3 applications, prioritizing speed, security, stability, and sustainability, and is governed by industry-leading organizations. We are seeking an experienced Software Engineer to lead the development of world-class developer tools and SDKs.

You will take the lead on crafting seamless developer experiences, owning the design, build, and maintenance of our open-source SDKs and related tooling. This role requires technical leadership, hands-on coding across multiple languages, and a strong focus on developer empathy. You will work cross-functionally to ensure our tools are intuitive, robust, and aligned with real-world developer needs.

What You'll Be Doing:

Mercier Consultancy MD is thrilled to announce a fantastic opportunity for a Dutch Speaking Agent for Luminus, with the flexibility to work remotely from the beautiful landscapes of Greece. As a vital part of the customer support team, you will engage with Dutch-speaking clients to address their inquiries and provide exceptional service while enjoying a work-life balance in a stunning location.

Responsibilities

• Handle customer inquiries and requests in Dutch via phone, email, and chat, ensuring a friendly and professional interaction.
• Assist customers with their accounts, guiding them through troubleshooting processes, and providing solutions to their concerns.
• Maintain a thorough understanding of Luminus products and services to provide accurate information and assistance.
• Document customer interactions, feedback, and any issues in the CRM tool for improved service delivery.
• Work collaboratively with team members to enhance customer journeys and resolve escalated queries efficiently.
• Stay up-to-date with industry trends and customer needs to continuously improve service offerings.

Requirements

Staff Frontend Engineer - Global Trade Comment Network

Location: New York City (Hybrid)

Compensation: $180K - $250K

We are building the global trade comment network, a protocol designed to solve the core problem of discovery in trading: what to buy and why. Our solution allows users to comment on their trades and see the trade comments of others, turning trading into a high-frequency social activity. We are backed by world-class investors and are seeking a highly experienced Staff Frontend Engineer to build and scale our mobile and web applications.

This is a high-impact role requiring deep experience in building and scaling complex mobile and web applications that power high-frequency social interactions. You will own the responsibility for ensuring a smooth UX and sub-second rendering across feeds of thousands of items, tackling meat-and-potatoes software engineering challenges to deliver a reliable and engaging product across devices.

Key Responsibilities & Projects:

Developer Advocate - Climate & Sustainability

Location: Remote - US only

Compensation: Competitive

We are a fast-growing software company committed to supporting a high-performance, open-source, proof-of-stake platform. Our platform is EVM-compatible and built specifically to meet the needs of enterprise and Web3 applications, demanding speed, security, and sustainability. We are seeking a Developer Advocate to focus on Climate and Sustainability initiatives in the Americas, acting as the technical bridge to drive the adoption of decentralized solutions for ESG (Environmental, Social, Governance) goals.

You will be at the forefront of the platform's latest developments, focusing on how climate-oriented decentralized applications (dApps) can be effectively built using the platform's native services and specialized solutions (e.g., the Guardian platform). Your work will architect and drive the adoption of decentralized tools for sustainability, enabling organizations to meet their ESG objectives.

Responsibilities:

Join Mercier Consultancy MD as a Dutch Speaking Energy Advisor and take advantage of a fantastic opportunity to relocate to Sofia with paid relocation! In this role, you will be at the forefront of advising clients on efficient energy practices and sustainable solutions. You will utilize your expertise to guide Dutch-speaking customers in optimizing their energy consumption while contributing to a greener future.

Key Responsibilities

• Engage with clients to assess their energy needs and offer personalized energy solutions.
• Perform energy assessments to identify efficiency improvements and cost-saving opportunities.
• Educate clients on various energy products and services through informative presentations.
• Establish and nurture lasting relationships with clients to ensure satisfaction and retention.
• Stay informed about industry trends and regulatory changes that impact energy consumption.
• Work closely with cross-functional teams to implement energy efficiency programs.

Requirements

Antipollution, a member of Vasileiadis Group of Companies (V Group), is a leading provider of environmental and waste management solutions across the Eastern Mediterranean, Egypt, and the Balkans. Operating in six main business pillars, including Port Reception Facilities, Emergency Response Services, Decontamination Services, Renewable Energy, Alternative Fuel Production from Waste, and Technology, we are committed to sustainability, innovation, and operational excellence.  

Role Overview 

We are seeking a skilled Naval Architect to join our Team and support our growing fleet. The ideal candidate will contribute to the design, new building, performance, and compliance of vessels, ensuring safety, efficiency, and adherence to the latest environmental standards. The role involves close collaboration with technical, operations, and environmental teams to integrate innovative and sustainable solutions into vessel design and retrofits.  If you are passionate about new building, ship design, innovation, and sustainable shipping solutions, we’d love to hear from you. 

Key Responsibilities 

Antipollution, a member of Vasileiadis Group of Companies (V Group), is a leading provider of environmental and waste management solutions across the Eastern Mediterranean, Egypt, and the Balkans. Operating in six main business pillars, including Port Reception Facilities, Emergency Response Services, Decontamination Services, Renewable Energy, Alternative Fuel Production from Waste, and Technology, we are committed to sustainability, innovation, and operational excellence.  

Role Overview

We are seeking a Chemical Engineer / Hazardous Materials Expert to join our site team in Thessaloniki for projects involving demolition, dismantling, and hazardous materials management. The selected candidate will be responsible for on-site supervision, environmental compliance, and safe handling of hazardous substances such as asbestos, lead, or contaminated waste.

This role requires proven expertise in hazardous waste classification, handling, and disposal in accordance with EU and national regulations.

Key Responsibilities

Are you ready to take your career to new heights? Mercier Consultancy MD is thrilled to offer an exciting opportunity for a Dutch Speaking Energy Solutions Consultant to join a dynamic multinational team with relocation to Bulgaria! In this engaging role, you will play a pivotal part in delivering sustainable energy solutions that meet client needs while being part of a vibrant and collaborative environment.

Key Responsibilities

• Engage with clients in the energy sector to understand their unique challenges and objectives.
• Design and propose innovative energy solutions that drive efficiency and sustainability.
• Serve as a trusted advisor, providing expert insights and recommendations tailored to client needs.
• Collaborate with cross-functional teams to ensure successful project delivery and implementation.
• Conduct informative training sessions for clients, empowering them to maximize the value of our solutions.
• Stay ahead of industry trends to offer clients the most relevant and effective solutions.

Requirements

Mercier Consultancy MD is thrilled to present an exciting opportunity to work remotely for Eneco in Bulgaria! This position invites energetic individuals to explore, experience, and contribute to a leading energy company while enjoying the perks of a paid relocation. Joining Eneco means being part of a forward-thinking organization dedicated to sustainability and innovative energy solutions.

Het salaris voor deze functie ligt tussen € 1.675 en € 1.804 bruto per maand.

Key Responsibilities

• Provide exceptional customer service to Eneco clients, assisting them with inquiries related to energy services and products.
• Engage with customers through various communication channels, ensuring their concerns and questions are addressed promptly.
• Collaborate with team members to share knowledge and improve service delivery and customer experience.
• Document interactions accurately in the company's CRM system to maintain quality standards.
• Stay informed about Eneco's product offerings, promotions, and industry changes to provide up-to-date information to customers.
• Participate in training sessions and workshops to enhance your skills and knowledge in the energy sector.

Requirements