Lead Principal Java Scala Blockchain Software Engineer

Lead Principal Java Scala Blockchain Software Engineer

This is not a C2C role, permanent W2 direct-hire only. Position is bonus eligible.

Prestigious Financial Institution is currently seeking a Lead Principal Software Java Engineer, with Scala and Blockchain experience. Candidate will be responsible for the development and delivery of business features, integrating a variety of upstream data sources and presenting data through the user interface, all while enriching and advancing the platform. This software must achieve a blend of data‑rich presentation, performance, user experience, and the capacity to support the busiest trading days in the world economy with rock‑solid reliability.

The candidate must be able to solve problems creatively, communicate effectively, and proactively engage in technical decision making to achieve these objectives.

• Working alongside experts that are building next generation blockchain‑based securities lending system, and paving the future of digital transformation in the capital markets industry
• Collaborating with others to deliver complex projects which may involve multiple systems
• Continuously thinking about the next steps while improving yourself and others around you
• Developing solutions to complex technical challenges while coding, testing, troubleshooting, debugging, and documenting the systems you develop
• Optimizing application performance through analysis, code refactoring, and system tuning
• Recommending technologies and tools that improve the efficiency and quality of the systems and development processes

• 2+ years of development experience with Scala
• 7+ years of experience in software development
• 5+ years of experience in Java or related technologies
• 3+ years of experience in React JS or similar technologies
• 1+ year of experience with distributed application design & blockchain
• Experience with Akka or other actor‑based systems
• Experience with Dev Ops and CI/CD tools (GIT, Jenkins, Docker, Kubernetes, Harness, Rancher)
• Ability to write clean, bug‑free code that is easy to understand and maintainable
• Experience with BDD methodologies & automated acceptance testing

• Scala‑based software development experience
• Understanding of message brokers, queues, and distributed data stores (Kafka, MQ, Redis, Splunk)
• Experience working Unix/Linux environments, large software system development, security software development, public‑cloud platforms
• Fluent in functional programming, object‑oriented design, industry best practices, software patterns, and architecture principles
• Proficient in the following types of testing: unit, integration, system, functional, non‑functional, regression, performance, security, and acceptance
• Deep understanding of performance issues and multi‑threaded development
• Experience with continuous integration tools and techniques, automating processes, and writing scripts using Python and other languages.

• BS degree in Computer Science or similar technical field required