Senior DevOps Engineer (Remote – Web3/DeFi)

Location: Fully Remote - EU timezone Type: Full-Time

Compensation: competitive

We are seeking a Senior DevOps Engineer to architect and scale the mission-critical infrastructure powering a next-generation decentralized exchange (DEX) and network. In this role, you will be the guardian of our system’s security, scalability, and high availability, ensuring our engineering team can ship rapidly without compromising reliability.

We are a dynamic, forward-thinking, and fully remote team with an ambitious roadmap. This is an opportunity for a reliability-focused engineer who loves automation, security, and performance tuning for high-throughput, low-latency environments. If you thrive on building self-healing systems and are excited by the challenge of shaping the future of finance, we want to hear from you.

Key Responsibilities:

At Quento, the ICT arm of the Qualco Group, we deliver comprehensive and innovative solutions across AI, Digital Engineering, Cloud, and Cybersecurity, helping businesses accelerate digital transformation. With a presence in Greece, Luxembourg, and Belgium, and backed by the expertise of the Qualco Group, we combine deep technical knowledge with strategic partnerships to support business growth.

At Quento, we empower our people to innovate and lead in delivering transformative ICT solutions to our clients worldwide. Quento Technologies seeks a highly motivated and experienced Ingestion IT Systems Database Administrator Expert.

Responsibilities:

About us:

Soar is a global fintech startup that specializes in financing and investment. Currently headquartered in Saudi Arabia, Soar is growing throughout the region with a mission to help people achieve their financial goals with innovative financial and property investment solutions and tools through its multi-purpose platform, designed to offer a simple and seamless user experience.

Role Summary:

You will be the architect of our "Security by Design" philosophy. Your primary mandate is to embed security into every stage of our software development lifecycle—from the first line of code to production deployment. You will leverage AI-driven tools to automate threat detection and vulnerability management, ensuring that our speed of innovation is matched by our speed of defense.

Key Responsibilities:

1. Secure Software Development Life Cycle (SSDLC)

DevOps Engineer (FinTech & High-Performance Systems)

Location: Remote - Fully Remote throughout EU

Compensation: $95K - $105K

We are seeking to revolutionize the FinTech industry and establish a new paradigm for financial technology. We need the best minds to help us achieve this ambitious goal.

As a DevOps Engineer, you will work directly with our engineering team in a fast-paced, high-stakes environment, tackling complex infrastructure problems. You are obsessed with achieving good architecture, efficiency, and resilience, aiming for nothing but the best product for our customers. Your speed, delivery capability, and knack for elegant solutions will make you a pillar of our engineering team.

You will be instrumental in designing, building, managing, and automating the high-availability infrastructure that powers our core financial and crypto services. This role demands deep technical expertise combined with a passion for continuous delivery and security.

What You’ll Be Working On

Infrastructure Engineer – Node Operations (Stablecoin / DeFi Focus)

Location: Remote - Based in EST or CST

Compensation: $175K - $225K

We are a technology company on a mission to transform how money moves. We believe stablecoins are the foundation of a new financial fabric—one that is faster, more global, and more efficient. We are building a full-service platform for issuing, managing, and integrating programmable, composable stablecoins into the global financial ecosystem.

Backed by world-class investors, we are a small, mission-driven team of builders with a high bar for excellence. We value clear thinking, extreme ownership, and high-velocity decision-making. We are seeking an Infrastructure Engineer – Node Operations to maintain the critical resilience and performance of our blockchain systems.

The Infrastructure Engineer – Node Operations will be directly responsible for managing and maintaining our core blockchain infrastructure. This includes critical components like RPC nodes, data indexers, and the internal telemetry pipeline. This role is essential for ensuring the high availability, reliability, and performance of systems that underpin our stablecoin platform. You will proactively strengthen our monitoring, automation, and operational resilience in a rapidly evolving blockchain environment.

Key Responsibilities

Senior Full Stack Software Engineer

Full-time | On-site

Location: San Francisco, CA

We are a high-growth AI company building the future of a core business function through a real-time conversational AI platform. Our platform serves both consumer-facing (the user experience) and enterprise-grade (data aggregation and analysis) software. We are looking for a Senior Full Stack Software Engineer to be a founding, hands-on builder in a small, passionate team.

As a hands-on engineer, you will own the development of high-impact features across our entire stack—from optimizing latency for real-time video conversations to building robust enterprise data analysis tools and integrations.

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

DevOps Engineer - Stablecoin Platform Infrastructure

Location: Remote - US based (Would consider South America/Canada if can work EST timezones)

Compensation: $170K - $200K

We are a stablecoin platform for builders, providing a superior digital-dollar building block that developers can extend to create customizable, application-specific stablecoins in minutes. Our platform empowers businesses to monetize their digital dollar use cases and maintain control over their money tech stack, without being burdened by operational heavy-lifting. We are seeking an experienced DevOps Engineer to play a key role in ensuring the security, reliability, and scalability of our systems through automation, monitoring, and encryption-first architectures.

You will be responsible for building, scaling, and securing the cloud infrastructure that underpins our stablecoin platform. This position requires hands-on expertise with cloud-native security best practices, a focus on performance optimization, and strong proficiency in automating deployments across a distributed system environment.

Key Responsibilities:

Principal Engineer (Remote Outside US) - Real-World Asset Minter Infrastructure

Location: Remote - Europe or on the East Coast for South America/Canada (No US)

Compensation: $200K - $225K

We are building a critical piece of infrastructure that is the first live Minter on a major protocol. Our system transforms real-world collateral, such as U.S. Treasuries, into on-chain monetary building blocks ($M). This programmable, composable foundation allows builders to create their own application-specific digital dollars. We are seeking a Principal Engineer to take full-stack ownership of the systems that power this creation and distribution.

This role begins as a high-impact Senior Individual Contributor position with broad autonomy to define architecture and set engineering practices, designed to grow into a technical leadership role. You will work directly with leadership to execute a clear, productized system vision. Your focus will be on building the institutional-grade infrastructure that enables automated minting, multi-chain liquidity, and key integrations.

Key Responsibilities:

Senior Core Systems Engineer - Secure Wallet Infrastructure

Location: Remote - Location: US or EU (remote-first, office optional). Must be in the US, not Canada or in the European Union. France or Paris or as close as possible, always preferred.

Compensation: $180K - $260K

Join a stellar team of leaders and experts in blockchain technology, cryptography, infrastructure, and security to build the backbone of blockchain wallet infrastructure for the next financial era. We are hiring a Senior Core Systems Engineer to design, build, and scale the low-level systems at the heart of our platform, where performance, security, and correctness are non-negotiable. This is a high-impact role focused on turning advanced cryptography into fast, resilient, and trusted production infrastructure.

As a Core Systems Engineer, you will work deep in the stack, designing and scaling reliable distributed services and integrating them with cloud, hardware, and blockchain environments. You will collaborate across product, research, and security to implement advanced cryptographic and security protocols using low-level systems languages.

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