Senior Blockchain Engineer
Company: Career Renew
Location: New York City
Posted on: February 15, 2026
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Job Description:
Job Description Job Description Career Renew is recruiting for
one of its clients a Senior Blockchain Engineer - this is a fully
remote role for EU/US based candidates. Join a stellar team of
leaders and experts in blockchain technology, cryptography,
infrastructure, and security to build the backbone of blockchain
wallet infrastructure for the next financial era. We’re hiring a
Senior Blockchain Engineer to design, develop, and scale the
components that connect our platform to every blockchain network.
You’ll work on indexing, data pipelines, and integrations across
major networks, while also building smart contracts and analysis
tools that make our wallet platform faster, more reliable, and
easier to integrate. This role is both hands-on and strategic:
you’ll improve our blockchain services, our indexing and monitoring
infrastructure, and ensure our integrations remain secure and
resilient under real-world financial workloads. Preferred
experience Responsibilities Design and implement blockchain
indexers, data pipelines, and integrations. Develop and maintain
smart contracts with a focus on security and performance. Build
APIs and services that expose onchain data for wallets and
financial apps. Troubleshoot indexing issues, resolve performance
bottlenecks, and ensure reliability. Collaborate with product and
research to prioritize new blockchain integrations. Contribute to
CI/CD, monitoring, and observability for blockchain services.
Document systems, share knowledge, and support technical
discussions with partners. Requirements 8 years of software
engineering experience, with 2 in blockchain development. Strong in
TypeScript, plus ideally one systems language (Rust, Go, C++).
Proven experience building blockchain indexers, explorers, or
related tooling. Skilled in designing and auditing smart contracts
(EVM and non-EVM a plus). Familiar with multiple blockchain
ecosystems, both public (Ethereum, Solana, Cosmos, etc.) and
private (Besu, Canton, R3 Corda, etc.). Expertise with databases
(PostgreSQL, DynamoDB, NoSQL) and data pipelines. Strong
understanding of blockchain security, cryptography, and consensus
models. Clear communicator with experience collaborating across
product and infrastructure. Compensation & Package Title: Senior
Blockchain Engineer Salary: $160,000–240,000 per year (full-time)
Equity: 150–300 stock options vested over 4 years Benefits:
Healthcare, 401K, and travel expenses Location: US or EU
(remote-first, office optional) Equipment: MacBook Pro
essentials
Keywords: Career Renew, Wayne , Senior Blockchain Engineer, IT / Software / Systems , New York City, New Jersey
