Are you fluent in Polish and looking for an exciting career opportunity in Sofia, Bulgaria? Mercier Consultancy MD is thrilled to offer Polish Speaking positions with a fully paid relocation package. This is a unique chance to join our growing team and experience life in one of Europe’s most vibrant cities while advancing your career.

Key Responsibilities

• Provide outstanding customer support and service to Polish-speaking clients across various channels, including phone, email, and chat.
• Assist in resolving inquiries, complaints, and technical issues to ensure customer satisfaction.
• Document interactions accurately in our CRM system for efficient follow-up and analysis.
• Collaborate with internal teams to improve service delivery and enhance customer experience.
• Engage with customers and gather feedback to contribute to product and service improvements.
• Participate in training sessions to continuously develop your skills and knowledge related to products and services.

Requirements

Mercier Consultancy MD offers an amazing opportunity for Dutch Speaking Customer Service Representatives for Eneco, with a competitive salary of 1657 Euro per month, all while working remotely from the beautiful landscapes of Greece! This role provides a fantastic work-life balance and the chance to join a prominent energy company.

Why Join Mercier Consultancy MD?

We value our employees and strive to create a conducive work environment that encourages professional growth and customer satisfaction. Join our dedicated team and make a positive impact on your clients' experiences.

Key Responsibilities

• Provide exceptional support to Dutch-speaking customers via phone, email, and chat, maintaining a professional and friendly demeanor.
• Assist customers with inquiries regarding Eneco's services and products, offering clear and accurate information.
• Swiftly address and resolve customer issues and complaints to ensure satisfaction.
• Accurately document all customer interactions and follow up on inquiries to ensure complete resolutions.
• Collaborate with team members and departments to enhance overall service quality.
• Stay updated on Eneco’s offerings and relevant industry trends to provide knowledgeable assistance.

Requirements

Join DOF as our Technical Delivery Manager!

We are seeking a highly skilled and proactive Technical Delivery Manager to lead the execution of technical projects and change initiatives across our IT operations. This is a key corporate role responsible for ensuring high-quality delivery of technical solutions that support DOF’s overall business objectives. As Technical Delivery Manager, you will work closely with internal stakeholders, technical teams, and external partners to ensure that changes are implemented efficiently, securely, and in line with best practices. We are looking for a candidate who can provide operational insight and a structured approach to technical delivery.

Responsibilities:

Join DOF as our Business Platform Architect!

We are seeking a highly skilled and strategic Business Platform Architect to lead the development and governance of our integration and data platforms. This is a key corporate role responsible for shaping and executing platform strategies that support DOF’s overall business objectives. As Business Platform Architect, you will work closely with cross-functional teams to ensure our platforms are scalable, secure, and aligned with best practices. We are looking for a candidate who can provide deep expertise in architecture, governance, and optimization of modern data and integration platforms.

Responsibilities:

Overview 

We’re looking for a Mobile Engineer passionate about creating high-quality, user-focused applications that connect people through performance, movement, and data especially within sports and wearable technology ecosystems. 

Job Overview 

You will design, build, and maintain React Native applications for both Android and iOS. You’ll develop tools and experiences that connect users through sports and activity platforms, integrating with wearables and real-time data systems to deliver seamless tracking, analytics, and engagement. 

You’ll collaborate closely with backend developers, product managers, and designers to turn complex data and operational flows into intuitive, reliable mobile experiences. 

Key Responsibilities 

About the Job

Step into the world of clinical research with Excelya as a Clinical Trial Assistant. Here at Excelya, our values of Audacity, Care, and Energy not only shape our company culture but also your experience as an employee. This role offers you a unique opportunity to be involved in the critical processes of clinical trials while collaborating with a team that is dedicated to making a difference.

Main Responsibilities

Senior Rust Engineer - On-Chain Security Infrastructure

Location: Remote - Europe

Compensation: $165K - $200K

We are building a Credible Layer—a step-level improvement for on-chain security designed to safeguard the crypto industry and restore credibility after billions were lost to hacks. We are creating an on-chain protocol and off-chain infrastructure that enables protocols to enforce security rules for every transaction. Backed by world-class investors, we are seeking a Senior Rust Engineer to work on bleeding-edge infrastructure at the heart of our mission.

You will play a crucial role in shipping cutting-edge features that extend the EVM (Ethereum Virtual Machine) to enable security rules to be checked after every state transition. This is a high-impact, deeply technical role requiring expertise in performance optimization and low-level systems programming within a collaborative, fast-iteration environment.

Key Responsibilities:

Senior Infrastructure Engineer - Blockchain Wallet Backbone

Location: Remote - Location: United States (remote-first, office optional). EST time is preferred

Compensation: $180K - $300K

Join a stellar team of leaders and experts in blockchain technology, cryptography, and security. We are building the backbone of blockchain wallet infrastructure for the next financial era. We are seeking a Senior Infrastructure Engineer to design, operate, and scale systems at the intersection of blockchain, cybersecurity, and distributed infrastructure, preparing us to meet the demands of a trillion-dollar industry.

This role goes beyond maintenance—you will be an architect, automator, and security expert. You will embed best-in-class DevOps and SRE practices into our workflows, ensuring our services are highly reliable, secure, and cost-efficient. You will collaborate across engineering, product, and security to translate complex requirements into scalable infrastructure.

Key Responsibilities:

Senior Blockchain Engineer - Encrypted Infrastructure

Location: New York (Office)

Compensation: $150K - $200K

We are a small, fast-moving software company building an encrypted blockchain that combines deep expertise in cryptography, compilers, and distributed systems. Backed by top-tier investors including a16z and Polychain, we are financially secure with several years of runway. We are seeking a Senior Engineer to join our elite team in New York City and work on cutting-edge, challenging engineering problems.

You will join a focused team of industry veterans and standout talent, taking on significant decision-making responsibilities as you design and implement core components of our encrypted platform. This role requires the commitment to bring hard, complex tasks to completion independently, contributing to infrastructure that is fundamentally redefining secure data handling on-chain.

Key Responsibilities:

Product Lead - Institutional DeFi Lending

Location: Remote - Paris or remote (GMT -5 to +2)

Compensation: $100K - $150K

We are a leading Decentralized Finance (DeFi) lending protocol experiencing explosive growth, with over $9 billion in assets supplied on the platform. Backed by major VCs like Ribbit Capital, a16z crypto, and Coinbase Ventures, our mission is to revolutionize lending with an open, efficient, and resilient platform. We are seeking a Product Lead to drive our Prime Products vertical as we establish ourselves as a cornerstone of the new internet-native financial system.

As Product Lead, you will own the strategy and execution for our prime product vertical, focused on advanced users, institutions, and Curators. This role requires developing a deep understanding of the protocol, the competitive lending landscape (both CeFi and DeFi), and the specific risk management needs of large capital allocators. You will work across the organization—with engineering, design, data, and protocol teams—to ship industry-shaping products.

Key Responsibilities: