Job Description

Career Renew is recruiting for one of its clients a Staff Software Engineer - Execution Team - Blockchain - this is a fully remote role for US-based candidates. The Execution Team is one of the core teams that builds and maintains our Consensus Node, the heart of our Distributed Ledger Technology (DLT). Our team is responsible for delivering our native services, which include the Crypto, Token, Consensus, and File Services. We also own transaction processing, fee collection, rewards accounting, and distribution. Furthermore, the generation of records and blocks is part of our responsibility. Our team works primarily in Java, and our code is open source. We collaborate closely with internal and external partners to deliver a reliable, performant, scalable, secure, fault-tolerant, and developer-friendly platform. About the role: As a Staff Software Engineer, you'll be a technical leader on the Execution Team, responsible for delivering software services, business logic, and APIs within our Consensus Node. You'll work on deeply technical challenges involving distributed execution, state management, transaction lifecycles, and economic systems (fees, rewards, and penalties). You will work in a highly collaborative environment where innovation, trust, and ownership are key values. This is a high-impact role requiring deep passion for building the platform that powers next-generation decentralised applications. You may find yourself doing all of the following:

• Design, develop, test and debug core components of the execution layer
• Collaborate with cross-functional teams to define and deliver end-to-end functionality
• Optimize performance and scalability of the execution layer for high-throughput transaction workloads
• Ensure correctness, determinism, and reliability in service implementations
• Drive high standards in code quality, testing, and documentation
• Mentor engineers and contribute to a culture of technical excellence and open-source collaboration

Qualification Requirements:

• 7+ years of professional software engineering experience, including in a senior or staff-level role
• Strong expertise in Java, with a deep understanding of concurrent programming and system performance
• Strong grasp of computer science fundamentals, including data structures, algorithms, concurrency, and design patterns
• Experience building and maintaining distributed systems at scale
• Experience with API design, particularly gRPC
• Strong problem-solving and debugging skills
• Experience in profiling and optimising complex and concurrent systems
• Excellent communication and collaboration skills
• Having a passion for code quality, system design, and doing things the right way

Other skills that are great to bring with you but that we can help you develop:

• Experience in distributed ledger Technologies (DLT) or blockchain platforms
• Exposure to security principles in distributed applications or cryptographic systems
• Familiarity with web3 tools or smart contract platforms (especially EVM)
• Experience with event-driven architectures or high-frequency trading systems

Compensation & Package Equity & Tokens Performance Bonuses Health insurance & 401k for US employees only.

Job Tags

Contract work, Remote work,

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