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
Insurance
Design, build, and maintain backend services and Apache Camel integration applications for the Medicare Provider Portal. Ensure secure, high-performance, compliant code, follow architectural and CI/CD standards, collaborate with product/QA/operations, participate in Agile ceremonies, diagnose production issues, and mentor junior developers.
Top Skills:
Apache CamelAzure DevopsCi/CdFhirHl7Integration TestingJava EeJava SeMessage BrokersOauth 2.0Restful ServicesSQL ServerUnit TestingX12
What you need to know about the NYC Tech Scene
As the undisputed financial capital of the world, New York City is an epicenter of startup funding activity. The city has a thriving fintech scene and is a major player in verticals ranging from AI to biotech, cybersecurity and digital media. It also has universities like NYU, Columbia and Cornell Tech attracting students and researchers from across the globe, providing the ecosystem with a constant influx of world-class talent. And its East Coast location and three international airports make it a perfect spot for European companies establishing a foothold in the United States.
Key Facts About NYC Tech
- Number of Tech Workers: 549,200; 6% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Capgemini, Bloomberg, IBM, Spotify
- Key Industries: Artificial intelligence, Fintech
- Funding Landscape: $25.5 billion in venture capital funding in 2024 (Pitchbook)
- Notable Investors: Greycroft, Thrive Capital, Union Square Ventures, FirstMark Capital, Tiger Global Management, Tribeca Venture Partners, Insight Partners, Two Sigma Ventures
- Research Centers and Universities: Columbia University, New York University, Fordham University, CUNY, AI Now Institute, Flatiron Institute, C.N. Yang Institute for Theoretical Physics, NASA Space Radiation Laboratory
