xLabs

👥 1-10EducationDigital MarketingE-LearningTraining💼 Private Company
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xLabs is a digital marketing learning platform based in Hungary that empowers individuals with the skills needed to thrive in the digital landscape. We offer a comprehensive range of courses focusing on AI, UI, and UX, making us a key player in the e-learning and digital marketing education sectors. Our platform is built using cutting-edge technologies to ensure a seamless and engaging learning experience. Our tech stack includes SSL by Default, Google Tag Manager, and Cloudflare CDN, ensuring security and optimal performance. We are deeply committed to open-source technologies, reflected in our contributions to Wormhole. The Backend Software Engineer role offers the opportunity to work with Node.js, Typescript, distributed systems, Redis, and databases (SQL, NoSQL), along with AWS and Kubernetes. We value innovation, collaboration, and continuous learning, fostering a highly professional and supportive remote work environment. As a small, for-profit company, xLabs is actively shaping the future of digital marketing education. We're focused on delivering high-quality learning experiences and expanding our reach across Europe and beyond. If you are passionate about cutting-edge technology, open-source initiatives, and seeking a flexible, remote-first work environment, we invite you to join our team and contribute to our mission of empowering the next generation of digital marketing professionals.

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📍 United States

🧭 Full-Time

🔍 Blockchain

  • Experience with SDKs, backend services, and API architectures
  • Proven track record in launching and improving products
  • Knowledge of cross-chain technologies preferred
  • Own product development
  • Collaborate with engineering and cross-functional teams
  • Identify customer needs and product priorities

Backend DevelopmentLeadershipSoftware DevelopmentBlockchainProduct ManagementREST API

Posted 5 days ago
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🧭 Full-Time

🔍 Blockchain Development

  • Minimum 2 years of Smart Contract development experience
  • Strong experience in Solana and Rust
  • Experience in EVM and Solidity is a bonus
  • Computer Science background
  • Fluent in English
  • Contribute to Wormhole and other top-tier protocols
  • Focus on security and maintainability of code
  • Collaborate with a talented team
Posted 12 days ago
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📍 Argentina

🧭 Fulltime

🔍 Infrastructure and open-source technologies

  • Experience with Infrastructure-as-Code and GitOps.
  • Experience with workload orchestration solutions, such as (but not limited to) HashiCorp Nomad or Kubernetes.
  • Can reason about software design and distributed systems.
  • Proficient in at least one programming language.
  • Experience running blockchains, particularly validators and remote signers/multisig (nice to have).
  • Manage compute infrastructure and the applications that depend on it.
  • Understand the architecture, best operating practices, and debugging techniques of applications, especially blockchains.
  • Document findings, including what went wrong and how to prevent future issues.

BlockchainKubernetesSoftware ArchitectureGoCI/CDRESTful APIsLinuxDevOpsTerraformScripting

Posted 12 days ago
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📍 Europe

🧭 Full-Time

🔍 Blockchain and Infrastructure Development

  • 5+ years experience as a Backend Developer
  • Experience with Node.js and Typescript
  • Knowledge of distributed systems
  • Good knowledge of Redis and databases (SQL, No-SQL)
  • Knowledge of AWS and Kubernetes
  • Design and implement open-source products
  • Provide off-chain infrastructure for blockchain interoperability

AWSNode.jsSQLBlockchainKubernetesTypeScriptRedis

Posted 12 days ago
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