Fireblocks · 18 hours ago
Senior Technical Support Engineer
United States
Contract
Remote
Mid, Senior Level
$100K/yr - $130K/yr
2+ years expFireblocks is a company transforming the way businesses interact with digital assets, providing essential infrastructure for banks and financial institutions. They are seeking a Senior Technical Support Engineer to handle complex technical issues, assist with customer implementations, and collaborate across departments to ensure high-quality service. The role involves troubleshooting, mentoring, and contributing to internal knowledge bases.
BlockchainCryptocurrencyCyber Security
Responsibilities
Investigate and resolve complex technical issues escalated from the Frontline Support Team, particularly those related to the Dynamic product, SDKs, APIs, and integrations
Assist customers with implementation and rollout of Dynamic features, including SDK usage and integration best practices
Provide deep technical troubleshooting across wallet infrastructure, authentication flows, blockchain interactions, and cloud-based systems
Collaborate with Engineering, Product, DevOps, and Site Reliability teams to troubleshoot and resolve advanced cases efficiently
Provide real-time assistance via Slack, Google Meet, and ticketing systems for urgent or technically demanding matters
Participate in critical incident response, including emergency troubleshooting sessions and post-incident reviews to identify improvements
Maintain thorough case documentation, including root cause analysis, resolution steps, and preventive recommendations
Contribute to internal knowledge base articles, troubleshooting guides, and support tooling improvements
Mentor Frontline Support Engineers to strengthen overall team troubleshooting skills and technical depth
Qualification
Required
2–4 years of experience in Technical Support, Customer Success Engineering, or a similar technical troubleshooting role
Solid understanding of Web3 and blockchain fundamentals, including wallets, authentication, on-chain apps, and public key cryptography
Proven expertise in debugging APIs, SDKs, system integrations, and cloud environments
Hands-on experience working in JavaScript, with familiarity building or troubleshooting SDK-based integrations (React experience a plus)
Familiarity with scripting languages (e.g., Python, JavaScript, Bash) and SQL
Strong communication skills, with the ability to clearly explain complex technical concepts to both technical and non-technical audiences
Ability to manage multiple complex cases simultaneously while maintaining exceptional attention to detail
Bachelor's degree in Computer Science, Engineering, or related field, or equivalent practical experience
Preferred
You're excited about Web3 and fintech, and want to work on infrastructure used by millions of users
Experience supporting digital asset platforms, blockchain technologies, or cryptographic systems
Understanding of key blockchain concepts, such as public key cryptography, smart contracts, and consensus protocols
Experience in enterprise environments, especially in regulated industries such as financial services or compliance
Benefits
Target bonus
Very competitive equity grant
Very generous benefits
Company
Fireblocks
Fireblocks is a blockchain security service provider for moving, storing, and issuing digital assets.
501-1000 employees
H1B Sponsorship
Fireblocks has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (4)
2024 (1)
2023 (4)
2022 (3)
Funding
Current Stage
Late StageTotal Funding
$1.04BKey Investors
Paradigm
2024-06-01Secondary Market
2023-02-01Series Unknown
2021-12-01Series E· $550M
Leadership Team
Michael Shaulov
CEO, co-founder
Idan Ofrat
Chief Product Officer & Co-Founder
Recent News
Sourcery
2026-01-15
2026-01-13
Company data provided by crunchbase