Senior Infrastructure Engineer - High-Performance Blockchain Services

Location: New York City (Office)

Compensation: $200K - $300K

Join the Infrastructure & Platform team at a high-growth crypto derivatives exchange that is rapidly capturing market share in a multi-billion dollar annual sector. Our current focus is on building a multi-asset margin feature that leverages blockchain technology to allow users to post variable forms of collateral, which is essential as multi-asset margin comprises over 86% of crypto accounts.

You will play a pivotal role in designing, architecting, and deploying highly reliable, scalable blockchain services with lightning-fast performance. You will lead the development of mission-critical core infrastructure that powers our products, enabling us to bring financial venues directly to the user.

The Senior Infrastructure Engineer will be responsible for building the core components of a high-throughput, low-latency distributed system, focusing heavily on performance and cryptographic integrity.

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:

Lead Protocol Engineer - HyperEVM DeFi Trading Infrastructure

Location: Remote - Preference for EST time zone or candidates that can overlap with EST

Compensation: $200K - $300K

We are building the next generation of DeFi trading, leveraging decentralized technologies to democratize access to global financial markets. As the largest builder product on our core platform, we have processed north of $50 billion in cumulative trading volume and achieved eight figures in revenue in the past year. We are a small, highly technical team focused on results, and are seeking a Lead Protocol Engineer to architect and scale our smart contract infrastructure on HyperEVM.

You will be the technical owner and lead protocol developer, responsible for the design, implementation, and deployment of smart contracts on the HyperEVM. This role is ideal for a strong individual contributor who thrives in a low-process, high-trust, and ambiguous 0-to-1 environment. You will be building DeFi primitives and trading infrastructure designed to scale to millions of traders and billions in daily volume.

What You Will Do:

A DevSecOps Engineer is responsible for integrating security practices into the entire software development lifecycle, ensuring that applications, infrastructure, and operations are secure by design. This role blends development, operations, and security expertise to maintain high-availability systems while proactively managing security risks and compliance requirements.

Responsibilities:

• Security Integration in CI/CD: Embed security checks, vulnerability scanning, and automated compliance tests into CI/CD pipelines.
• Infrastructure Security: Implement secure cloud and on-premises infrastructure using best practices for access control, encryption, and network segmentation.
• Container & Kubernetes Security: Manage and harden containerized environments, including image scanning, runtime protection, and pod security policies.
• Monitoring & Incident Response: Use observability tools to monitor systems for security threats, respond to incidents, and implement continuous improvements.
• Collaboration & Education: Work closely with developers, SREs, and QA teams to ensure security-first development practices, provide guidance on secure coding, and conduct threat modeling.
• Compliance & Governance: Ensure systems and processes comply with standards like ISO27001, SOC 2, GDPR, NIST, and maintain audit readiness.

Requirements

About AHOY:

AHOY is a pioneering tech company dedicated to developing innovative solutions that address the complexities of modern business logistics. We specialize in creating systems that streamline processes, enhance efficiency, and ultimately simplify cross-border shipping for our clients. Our vibrant culture promotes collaboration and creativity, allowing our team to drive impactful changes in the logistics industry.

Position Overview:

We are seeking a Senior Product Manager / Product Lead for our Cross-Border Shipping initiative at AHOY. In this role, you will take charge of our product strategy, from ideation to execution, ensuring that our offerings meet the dynamic needs of the market. The ideal candidate will have a deep understanding of shipping and logistics, exceptional leadership skills, and a track record of successful product management.

Requirements

Key Responsibilities:

METRO is one of Greece’s top employers, with over 11,500 employees. We operate My market, one of the country’s largest retail networks with 240 outlets, and are the leading company in wholesale consumer goods with 51 METRO Cash & Carry stores nationwide. As we expand our IT team, we are seeking a talented Mid/Senior System Administrator to join our dynamic environment and help shape the future of our infrastructure.

Are you a tech enthusiast with a passion for cloud technologies and innovative infrastructure?

If you thrive in a fast-paced environment and are eager to work with the latest in Azure Cloud and Microsoft Fabric, we want you in #teammetro!

Your Role & Responsibilities

As a Senior System Administrator at METRO, you will be a key technical expert, responsible for the design, administration, and evolution of our hybrid infrastructure. Your focus will include: