Web3 & Crypto Jobs in Poland

About Keyrock

Since our beginnings in 2017, we've grown to be a leading change-maker in the digital asset space, renowned for our partnerships and innovation.

Today, we rock with over 180 team members around the world. Our diverse team hails from 42 nationalities, with backgrounds ranging from DeFi natives to PhDs. Predominantly remote, we have hubs in London, Brussels, and Singapore, and host regular online and offline hangouts to keep the crew tight.

We are trading on more than 80 exchanges and working with a wide array of asset issuers. As a well-established market maker, our distinctive expertise led us to expand rapidly. Today, our services span market making, options trading, high-frequency trading, OTC, and DeFi trading desks.

But we’re more than a service provider. We’re an initiator. We're pioneers in adopting the Rust Development language for our algorithmic trading, and champions of its use in the industry. We support the growth of Web3 startups through our Accelerator Program. We upgrade ecosystems by injecting liquidity into promising DeFi, RWA, and NFT protocols. And we push the industry's progress with our research and governance initiatives.

At Keyrock, we're not just envisioning the future of digital assets. We're actively building it.

Job Description

We are looking for an experienced Infrastructure Engineer to join our team, specifically focusing on managing blockchain nodes. This role involves designing, implementing, and maintaining highly scalable and resilient infrastructure to support our product offering across various blockchain networks. The ideal candidate will have a deep understanding of the blockchain ecosystem, expertise in Infrastructure as Code (IaC), and a strong background in observability and DevOps best practices.

Key Responsibilities

• Blockchain Node Management: Architect, deploy, and maintain a diverse range of blockchain nodes (e.g., Bitcoin, Ethereum, Solana, and others) using IaC principles.

• Infrastructure as Code (IaC): Utilize tools like Terraform and Ansible to automate the provisioning, configuration, and management of infrastructure for all blockchain-related services.

• Observability & Monitoring: Develop comprehensive monitoring and alerting solutions to ensure the health, performance, and uptime of all blockchain nodes. Experience with tools like Prometheus, Grafana, or the ELK stack is key.

• Performance Optimization: Troubleshoot issues, perform root cause analysis, and implement fixes to optimize the performance and latency of node operations.

• Security & Compliance: Apply best practices for network and node security, including the management of RPC endpoints, validator keys, and public/private key pairs.

• CI/CD: Implement and manage CI/CD pipelines for efficient deployment, testing, and monitoring of node software upgrades.

• Collaboration: Work closely with our trading and research teams to support new chain integrations and optimize existing ones.

• Disaster Recovery: Design and implement failover and backup strategies to ensure business continuity for mission-critical blockchain infrastructure.

Background and Experience

• Bachelor’s degree in Computer Science, Engineering, or a related field.

• 5+ years of experience in cloud infrastructure, SRE, or DevOps roles.

• Demonstrable experience managing blockchain nodes and a deep understanding of the ecosystem.

• Strong experience in a trading, crypto, or TradFi environment is highly desirable but not essential.

Competencies and Personality

• Strong expertise in cloud platforms (AWS, GCP, or Azure) and containerization (Docker, Kubernetes).

• Proficient Linux administration skills

• Hands-on experience with Infrastructure as Code (Terraform, Ansible) and programming languages (e.g., Bash and Python).

• Deep familiarity with monitoring, logging, and observability tools (Prometheus, Grafana, Datadog, ELK).

• Solid understanding of networking concepts (VPC, Load Balancers, DNS, Firewalls).

• Experience with GitOps practices and CI/CD pipelines.

• Familiarity with various blockchain architectures (Proof-of-Stake, Proof-of-Work, etc.) and node types (full nodes, validators, RPC nodes).

• Strong understanding of security practices within the blockchain ecosystem.

Our Recruitment Philosophy

We value self-awareness and powerful communication skills in our recruitment process. We seek fiercely passionate people who understand themselves and their career goals. We're after those with the right skills and a conscious choice to join our field. The perfect fit? A crypto enthusiast who’s driven, collaborative, acts with ownership, and delivers solid, scalable outcomes.

Our Offer

• Competitive salary package.

• Autonomy in your time management thanks to flexible working hours and the opportunity to work remotely.

• The freedom to create your own entrepreneurial experience by being part of a team of people in search of excellence.

• As an employer, we are committed to building a positive and collaborative work environment. We welcome employees of all backgrounds and hire, reward, and promote entirely based on merit and performance.

Due to the nature of our business and external requirements, we perform background checks on all potential employees. Passing a background check is a prerequisite to joining Keyrock.

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