Optimize and scale blockchain node performance, design and implement core system plugins, collaborate with cross-functional teams, conduct performance testing and debugging, and stay current on blockchain and distributed systems technologies to maintain reliable infrastructure.
Summary: Join our Swiss-based blockchain firm dedicated to advancing secure and scalable node infrastructure. As a core team member, you will optimize node performance and develop essential system plugins, leveraging your deep knowledge of JVM and distributed systems.
Responsibilities:
- Optimize performance of blockchain nodes to ensure high reliability and scalability.
- Design and implement core system plugins to enhance infrastructure capabilities.
- Collaborate with cross-functional teams to integrate blockchain solutions.
- Conduct performance testing and debug issues to maintain system efficiency.
- Stay informed on industry trends and emerging technologies in blockchain development.
Required skills:
- Proven experience with Java Virtual Machine (JVM) and its optimization.
- Strong expertise in developing and managing distributed systems.
- Proficiency in blockchain technologies and node infrastructures.
- Excellent problem-solving skills and ability to work collaboratively.
- Fluent in English; knowledge of other languages is a plus.
Similar Jobs
Financial Services
Lead architecture and modernization of high-volume debit and payments services. Own domain-level technical direction, enforce API/schema governance, improve reliability and observability, drive cloud-native/Kubernetes deployments, ensure security and compliance, mentor senior engineers, and run cross-team initiatives to scale resilient, performant, and auditable payment systems.
Top Skills:
BpmnCamundaContainers (Docker)Distributed TracingDynatraceGitopsGrafanaIso 20022Iso 8583JavaKafkaKubernetesMutual TlsOauth2OidcOpentelemetryPrometheusRelational DatabasesSecrets ManagementSpring BootTerraform
Information Technology • Professional Services • Consulting • Financial Services
Design, build, and maintain scalable J2EE business applications. Implement features, fix bugs, participate in code reviews, automate tests, optimize performance, and produce documentation.
Top Skills:
Application ServerDatabasesJ2EeJavaJunitUnix/LinuxWebunit
Cloud • Security • Software • Generative AI
Develop and maintain core Elasticsearch infrastructure and shared platform features. Design scalable APIs, solve performance and concurrency issues, improve observability and CI/CD, automate developer workflows, lead cross-team projects, support complex operational investigations, and use AI to accelerate development and debugging.
Top Skills:
Argo CdBuildkiteCi/CdContainersElasticsearchGitopsGoGradleJavaJdkKubernetesMavenOpentelemetryPainlessServerless
What you need to know about the Colorado Tech Scene
With a business-friendly climate and research universities like CU Boulder and Colorado State, Colorado has made a name for itself as a startup ecosystem. The state boasts a skilled workforce and high quality of life thanks to its affordable housing, vibrant cultural scene and unparalleled opportunities for outdoor recreation. Colorado is also home to the National Renewable Energy Laboratory, helping cement its status as a hub for renewable energy innovation.
Key Facts About Colorado Tech
- Number of Tech Workers: 260,000; 8.5% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Lockheed Martin, Century Link, Comcast, BAE Systems, Level 3
- Key Industries: Software, artificial intelligence, aerospace, e-commerce, fintech, healthtech
- Funding Landscape: $4.9 billion in VC funding in 2024 (Pitchbook)
- Notable Investors: Access Venture Partners, Ridgeline Ventures, Techstars, Blackhorn Ventures
- Research Centers and Universities: Colorado School of Mines, University of Colorado Boulder, University of Denver, Colorado State University, Mesa Laboratory, Space Science Institute, National Center for Atmospheric Research, National Renewable Energy Laboratory, Gottlieb Institute



