Reports to:
Manager, EngineeringEngineering Organization & Culture
At Bullish, we are engineering the institutional standard for the digital asset industry. Our mission is to build a platform where security and compliance are the foundational core, requiring a commitment to technical excellence that goes beyond simply delivering code. We operate as a global engineering organization, setting a high bar in a demanding environment for those driven to do the best work of their careers alongside world-class peers.
We value engineers who treat development as a craft and own the outcome from concept to deployment. You will be expected to navigate the unknown, bring structure to ambiguity, and help shape the frameworks and processes that drive our global teams forward. We refuse to compromise on quality and seek problem solvers who thrive on high-impact technical challenges.
The Team: Custody Engineering
The Custody Engineering Team builds the critical systems that safeguard user assets, architecting secure and compliant infrastructure for the entire lifecycle of funds. Our technical scope is broad, spanning blockchain development, smart contracts, oracles, and the full-stack systems that power them. We operate with a high degree of autonomy and ownership over mission-critical infrastructure, bridging the gap between cutting-edge blockchain technology and institutional-grade stability.
What You’ll Do
System Architecture: Architect and build the engineering roadmap for next-generation digital asset systems, leading execution from concept through deployment.
Asset Lifecycle Management: Serve as the technical owner for the full digital asset lifecycle, including issuance, custody, settlement, and on-chain verification.
Smart Contract Security: Design, implement, and coordinate audits for mission-critical smart contracts (Rust/Solidity) and their integrating systems.
Regulatory Engineering: Engineer auditable security controls, such as policy engines and governance rules, that meet strict institutional standards.
Cross-Functional Leadership: Act as the technical lead between engineering, product, and compliance, translating requirements into actionable designs.
What You’ll Bring
Industry Experience: 5+ years of software engineering experience delivering complex systems in production.
Language Mastery: Deep technical command of public chain development, specifically Rust (Solana) and Solidity (EVM).
Blockchain Depth: Advanced understanding of token standards and integration patterns across different chains.
System Integration: Proficiency in C++ to interface with and contribute to broader platform systems.
Security Expertise: Proven expertise in mitigating vulnerabilities (e.g., re-entrancy) and managing the smart contract audit process.
Operational Excellence: Track record of building fault-tolerant, high-concurrency systems with a commitment to advanced testing frameworks.
Communication: The ability to communicate complex protocol logic and security trade-offs to both technical and non-technical stakeholders across global teams.
Education: Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent professional experience).
Nice To Haves
Engineering experience in FinTech, high-frequency trading, or high-security sectors
Knowledge of modern key management (MPC, HSMs) and applied cryptography specific to digital assets
Experience building infrastructure for indexing, monitoring, and transforming on-chain data
Familiarity with institutional digital asset custody workflows
Bullish is proud to be an equal opportunity employer. We are fast evolving and striving towards being a globally-diverse community. With integrity at our core, our success is driven by a talented team of individuals and the different perspectives they are encouraged to bring to work every day.
Bullish Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Bullish and has not been reviewed or approved by Bullish.
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Fair & Transparent Compensation — Job postings disclose clear base pay bands and incentives for senior roles, and feedback suggests these ranges are competitive for the sector. This visibility signals clarity for leadership-level candidates evaluating offers.
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Healthcare Strength — U.S. operations provide health and vision insurance through a major carrier, indicating solid core medical coverage. Feedback suggests the medical offering aligns with market expectations.
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Wellbeing & Lifestyle Benefits — Perks such as free daily meals, UberEats allowances on in-office days, stocked fridges, catered lunches, rooftop events, and a home‑office stipend support everyday wellbeing. The company also emphasizes a flexible working environment and regular team activities.
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What We Do
Bullish is an institutionally focused global digital asset platform that provides market infrastructure and information services. Bullish services are regulated in the United States, European Union, United Kingdom, Hong Kong, and Gibraltar. These include: Bullish Exchange – a regulated and institutionally focused digital assets spot and derivatives exchange, integrating a high-performance central limit order book matching engine with automated market making to provide deep and predictable liquidity. CoinDesk Indices – a collection of tradable proprietary and single-asset benchmarks and indices that track the performance of digital assets for global institutions in the digital assets and traditional finance industries. CoinDesk Data - a broad suite of digital assets market data and analytics, providing real-time insights into prices, trends, and market dynamics. CoinDesk Insights – a digital asset media and events provider and operator of Coindesk.com, a digital media platform that covers news and insights about digital assets, the underlying markets, policy, and blockchain technology. For more information, please visit bullish.com and follow LinkedIn and X.
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