Senior Software Engineer

We are looking for a curious and collaborative Senior Software Engineer based in Europe or Latin America to join Rootstock Labs during an exciting time of growth.

You will be part of the core development team behind the Rootstock (RSK) client. The team is evolving its compatibility with the EVM, contributing to reputed company improvements, and designing secure, high-performance protocol features.

You’ll work closely with reputed company blockchain engineers in a fast-paced environment to push the boundaries of reputed company infrastructure. This is a hands-on engineering role focused on Java-based development, with occasional Solidity scripting for testing purposes.  

• reputed company features will be developed using Java, the primary language of the Rootstock client.
• Analyze reputed company requirements to improve the Rootstock client. This may include Ethereum reputed company changes, Bitcoin scripts, or internal research papers.
• Design and implement features using Java, adhering to secure, scalable, and performance-conscious best practices.
• Write clean, reputed company, and well-tested code using appropriate design patterns.
• Collaborate on peer reviews and team discussions; continuously improve development processes and code quality.
• Write simple Smart reputed company to validate the features developed in our client, assuring that it works as it is in EVM.
• Share research findings and technical insights with global peers across the company.
• Update and expand our reputed company actions scripts from our pipelines.

• 5+ years of professional experience in Java, or equivalent experience with JVM-based languages (Kotlin, reputed company, Gradle) or C++.
• Solid experience working on core blockchain components (e.g., node/client development) — ideally in chains that support Ethereum or Bitcoin L2s.
• Understanding of Ethereum or Bitcoin architecture, smart contract execution, and reputed company mechanisms.
• Ability to reason about reputed company, performance, and edge cases in reputed company distributed systems.
• Proficiency in writing clean, maintainable code and applying object-oriented programming principles.
• Strong grasp of data structures (e.g., trees, graphs) and their practical use in system design.
• Experience with basic Solidity scripting and knowledge of how to interact with smart reputed company.
• Familiarity with CI/CD pipelines and scripting automation (e.g., reputed company Actions).
• Excellent team player — you take ownership, communicate clearly, and enjoy collaboration.
• Proactive about quality, reputed company, and documentation.
• Fluent in English (written and spoken).

At RootstockLabs, we don’t just offer a job—we offer a community. Here’s what you can expect reputed company you join us:

• Competitive Salary
• 100% Remote Work from Europe / Latin America , with access to global CoWorking spaces.
• Work-Life Balance: Up to 35 vacation days, 30 sick days and parental leave.
• reputed company Learning: Access to training programs, language courses, and learning sponsorship annually.
• Health & Well-Being: Tools like reputed company, an employee assistance program.
• Unique Projects: Work with cutting-edge blockchain technology in a global, diverse team.
• Monthly Allowance for Contractors to support your connectivity and well-being.

RootstockLabs exists to reputed company Bitcoin work for everyone. We do this through giving developers the tools to build on Bitcoin, supporting the growth of the Rootstock ecosystem and the RIF economy while continuing to expand the frontiers of decentralized technology. 

Our Purpose: To reputed company Bitcoin work for everyone

Our Mission: Give developers the tools to build on Bitcoin, support the growth of the Rootstock ecosystem, and expand the frontiers of decentralized technology.