We are seeking a skilled Blockchain Engineer to design and maintain core systems that enable seamless movement between traditional and digital currencies. You will play a central role in building transaction pipelines, managing wallet lifecycle operations, and enabling secure, reliable interactions across multiple blockchain networks.
Key Responsibilities
- Design and optimize high-throughput transaction broadcasting systems
- Monitor, detect, and resolve stuck or failed transactions with automated recovery strategies
- Develop and maintain wallet infrastructure and automation tools
- Implement parallel transaction processing with strict safety controls
- Enhance system observability, alerting, and operational safeguards
- Build stateful orchestration layers for multi-step, cross-chain workflows
- Design systems with auditability, reconciliation, and financial accuracy as core principles
- Support routing logic and swap execution with awareness of MEV, slippage, and liquidity shifts
- Develop off-chain services that interact securely with on-chain smart contracts
- Collaborate with product teams to define scalable technical strategies
- Participate in incident response, root cause analysis, and system improvements
- Evolve infrastructure to meet growing volume, complexity, and reliability demands
What You Bring
- Strong foundation in backend or platform engineering with production system experience
- Proven experience working with live blockchain networks in production environments
- Deep understanding of transaction lifecycle management and failure recovery on at least one blockchain
- A mindset oriented around edge cases, failure modes, and system resilience
Preferred Experience
- Ability to walk through a real-world production incident from detection to resolution
- Experience with wallet systems or custody infrastructure for Ethereum, Bitcoin, or Solana
- Familiarity with MEV, slippage, pricing impact, and risks in swap execution
- Background in high-throughput financial systems or fintech platforms
- Worked at exchanges, DeFi protocols, or wallet infrastructure teams
- Knowledge of UTXO-based blockchains including coin selection and fee bumping (RBF/CPFP)
- Experience designing cross-chain or multi-step transaction orchestrators
- Familiarity with blockchain event ingestion or indexing pipelines
- Understanding of token standards like ERC-20 and SPL, and backend smart contract interaction
Technology Environment
Our systems span multiple blockchain networks, smart contracts, transaction broadcasting layers, cross-chain protocols, DeFi integrations, wallet infrastructure, event processing pipelines, and token standards including ERC-20 and SPL.
Work Environment
This is a hybrid role offering full remote flexibility or the option to work from one of our global locations. You choose where you work best. We support remote-first collaboration with periodic in-person gatherings, hackathons, and team offsites to foster connection and innovation.
Compensation & Benefits
- Competitive salary and equity package — we believe in shared ownership
- Performance-based equity bonuses for exceptional impact
- Moonshot award: biannual $250,000 equity grants for top contributors
- Unlimited holidays — take time when you need it
- Private healthcare coverage and enhanced parental leave
- Annual training budget and home office setup allowance
- Remote work stipend for utilities
- Monthly budget to use on platform products with zero-fee crypto transactions
- Employee referral bonus in USDC
- Regular company-wide remote offsites and collaborative events
Our Culture
We value initiative, continuous growth, ownership, curiosity about crypto, and constant improvement. We foster an environment where accountability meets innovation, and where engineers are empowered to shape systems that scale.
Equal Opportunity
We are committed to building an inclusive, respectful workplace where all individuals can bring their authentic selves. We do not tolerate harassment, racism, or discrimination of any kind. As an equal opportunity employer, we prohibit bias based on race, color, religion, sex, gender identity, sexual orientation, national origin, age, disability, veteran status, or any other protected characteristic. This principle guides every stage of employment, from hiring to advancement. We also provide reasonable accommodations for qualified candidates with disabilities.
