Full Stack Engineer - Payments & FinTech Web Applications

Location: Remote - Based in EST or GMT+1

Compensation: $120K - $150K

We are a high-growth technology company building a robust FinTech and payments platform. We are seeking an experienced Full Stack Engineer with strong product sense and deep technical expertise to design and build the secure, scalable, and high-performing web applications that power our platform. This role requires translating complex backend financial systems into intuitive, reliable user experiences.

You will own the development lifecycle of web applications from design through release, working across the full stack with an emphasis on the frontend user experience. You will collaborate closely with backend teams, ensuring that all features prioritize performance, security, and scalability. You will be expected to treat UI components and APIs as products, maintaining high standards for code quality and architectural clarity.

What You'll Do:

DSI Systems Inc. has an immediate opening for a Field Support Representative. The Field Support Representative (AT&T) plays a critical role in ensuring consistent, high-quality retail execution across assigned locations. This role is primarily focused on daily in-store visits, maintaining brand standards for AT&T, supporting retail staff, and capturing field-level insights. Representatives are the frontline ambassadors of AT&T in the field, ensuring that every store visit drives operational excellence and customer readiness.

At DSI, our culture is built on a foundation of teamwork, accountability, and a commitment to field excellence. We believe in empowering our Field Support Representatives to build strong relationships with store management, deliver exceptional customer experiences, and uphold the highest standards of merchandising and retail execution. Our team thrives on collaboration, continuous improvement, and a shared passion for representing the AT&T brand with integrity and professionalism.

What You'll Be Doing

Researcher, Lending Vertical - On-Chain Economic Security

Location: Remote - Preference for NYC but will accept Remote Europe & USA - would need to overlap EST hours

Compensation: $120K - $150K

We are the pioneer in automated, on-chain economic security systems, trusted by leading crypto protocols like Aave, GMX, dYdX, and others, to secure billions of dollars in assets globally. We empower protocols by optimizing risk management and capital efficiency using world-class custom EVM simulations to provide actionable insights. We are seeking a proactive and results-driven Researcher to join our team, reporting directly to the Vertical Lead, Lending.

You will play a critical role in conducting in-depth protocol research, modeling risk parameters, and communicating findings with high-impact stakeholders in the DeFi lending vertical. This position requires deep analytical skills, the ability to translate complex data into clear strategic guidance, and a strong understanding of decentralized finance mechanics.

Key Responsibilities:

ADAPTIT S.A. is a specialized ICT Group delivering high-quality services, innovative solutions, and premium support to organizations across telecom, finance, utilities, transport, retail, and enterprise sectors. Guided by our vision to be the trusted partner for seamless connectivity and cybersecurity, we stay at the forefront of technological advancements in Greece and beyond. Our mission is to create lasting impact through strong partnerships, deep expertise, and resilient, future-ready solutions. Since 2012, we have proudly showcased our work at MWC and remain active members of international business chambers.  

Our culture is grounded in trust, ownership, and collaboration, where open communication, shared purpose, and continuous growth define how we work. As a team, we stay agile and customer-focused, committed to delivering innovative solutions that create value for our people and clients alike. 

As a Project Manager (PMO – Telecom & Technology Projects) youwill oversee the planning, execution, and delivery of technical and infrastructure projects, ensuring timely, cost-effective, and high-quality outcomes.

Senior Marketing Manager - Stablecoin Infrastructure

Location: Based in EST timezone. Agora have a major preference for people who will work hybrid. Their office is in Jersey City.

Remote | Full-time

Compensation: $160K - $220K

Our client is a high-performance financial technology organization dedicated to transforming the global movement of money. Backed by premier investors, including Paradigm and Dragonfly, the firm is constructing a next-generation stablecoin infrastructure designed to be faster, more global, and more efficient than traditional siloed systems. By developing a full-service platform for issuing and integrating programmable stablecoins, the organization aims to provide developers, fintechs, and institutions with a seamless, trusted, and ubiquitous digital dollar stack.

The team combines the rigorous discipline of institutional finance with the creative agility of a crypto-native startup. Joining this mission-driven group means entering a tight-knit environment that prioritizes clear thinking, extreme ownership, and technical excellence. Our client is seeking a strategic Senior Marketing Manager with deep expertise in fintech or the blockchain industry to lead marketing strategy and drive growth within a highly regulated landscape.

Key Responsibilities

Researcher - Automated On-Chain Economic Security

Location: Remote - Preference for NYC but will accept USA + Europe remote working EST hours

Compensation: $120K - $150K

We are the first automated, on-chain economic security system, trusted by leading protocols to manage and secure billions of dollars in assets across the DeFi ecosystem. Our platform helps crypto protocols optimize risk management and capital efficiency by analyzing protocol mechanics and scenario implications using custom EVM simulations. We are seeking a proactive and results-driven Researcher to join our team, reporting directly to the Head of Economic Research & Strategy.

You will play a critical role in conducting in-depth protocol research, modeling risk parameters, and shaping strategic research initiatives across high-impact DeFi projects. This role requires a strong blend of quantitative analysis, risk modeling expertise, and clear communication to both clients and the broader community.

Responsibilities:

Engineering Manager - Intent-Based Cross-Chain Infrastructure

Location: Remote

Compensation: $180K - $200K

We are building programmable, intent-based infrastructure on a leading Layer 1 protocol, making blockchain interactions smoother, smarter, and more composable. Our work enables intent-driven execution across chains, requiring high-velocity technical delivery and strong team leadership. We are seeking an Engineering Manager to accelerate execution across projects, partner integrations, and cross-team initiatives.

This role is focused on making things happen: ensuring technical projects are delivered on time, partner integrations run smoothly, and internal teams are fully aligned. You will lead and mentor a multidisciplinary engineering team while owning technical guidance, reliability management, and strategic process implementation.

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 on the lookout for a Customer Solutions Specialist fluent in Polish and English to join our team, with the benefit of paid relocation to Sofia, Bulgaria. This role is perfect for individuals who are passionate about problem-solving and committed to providing exceptional customer service. As a Customer Solutions Specialist, you will assist Polish-speaking clients by understanding their needs and providing effective solutions.

Key Responsibilities

• Act as the main point of contact for Polish-speaking clients, delivering high-quality support and solutions.
• Identify client needs and provide tailored solutions that enhance their overall experience with our services.
• Document client interactions in our CRM system and follow up to ensure satisfaction.
• Collaborate with various teams to resolve complex issues and promote customer success.
• Contribute to the continuous improvement of service delivery by collecting and analyzing client feedback.
• Stay updated on product offerings and industry trends to provide relevant advice to clients.

Requirements

We are seeking a Site Technician to support operations at our Bitcoin mining facility in Oklahoma. The ideal candidate has hands-on experience maintaining Bitcoin mining hardware and site infrastructure. This role focuses on reliable day-to-day technical operations, maintenance, and performance optimization under the direction of the Site Manager and Senior Site Technician.

Responsibilities

• Perform daily inspections, maintenance, and repairs on ASIC miners (Bitmain, MicroBT, etc.).
• Monitor power distribution units (PDUs), cooling systems, and network connectivity for stable operation.
• Troubleshoot miner faults, cabling issues, and power irregularities.Assist with installation and setup of new miners and infrastructure components.
• Maintain organized records of work performed, miner status, and inventory.Support implementation of preventive maintenance and site safety programs.
• Coordinate with senior technical staff to minimize downtime and improve efficiency.
• Follow all operational and safety procedures to maintain a clean, compliant work environment.
• Contribute to continuous improvement of site processes and workflows.

Requirements