decircle

Backend Engineer

• Design, implement, and optimize all layers of the Hyperliquid protocol stack.
• This includes consensus, execution (HyperCore and HyperEVM), and API/RPC servers.
• Design and implement financial and trading primitives on the Hyperliquid L1

Growth Marketing

• Drive adoption, community growth, and ecosystem expansion for Spire’s Based Appchain Platform (Pylon) and DA Builder.
• Own growth strategy and execution across developer marketing, partnerships, content, and events.
• Help position Spire as foundational infrastructure in the Ethereum rollup landscape.

Growth Lead

Marketing

• Own positioning and messaging for the TITLES platform, tools, and artist models across all touchpoints (website, product, press, community) under a cohesive narrative.
• Define who TITLES is for, why now, and the cultural shift it represents.
• Develop and lead go-to-market strategies for new features, artist models, collaborations, and seasonal campaigns.
• Explore, test, and scale new distribution channels to reach and retain creative communities.
• Set creative briefs for campaigns and ensure execution aligns with TITLES’ high aesthetic and brand standards.
• Establish shared rituals and workflows across product, engineering, community, and partnerships to align around user needs and market opportunities.
• Recruit, manage, and grow a brand and product marketing team as the company scales.

Marketing Lead

Chief Marketing Officer

• Own the full marketing function and report to the CEO
• Craft sophisticated marketing and brand narratives
• Manage the company’s social presence and oversee content marketing
• Lead presence at industry events and organize speaking engagements
• Orchestrate high-impact product launches

Head of Marketing

Full-stack Engineer

• Build and maintain core backend services, APIs, and data layers powering the TITLES platform.
• Collaborate with product, design, and data teams to define and deliver features end-to-end.
• Design scalable, secure, and observable systems that support rapid user growth.
• Contribute across the stack, including frontend applications (e.g., React), with a strong focus on user experience.
• Drive CI/CD processes, infrastructure automation, and developer tooling improvements.
• Experiment with and leverage AI-assisted coding tools, agents, and workflows to improve delivery speed, quality, and testing.
• Help evolve system architecture with strong opinions on modularity, APIs, and service boundaries.

Full Stack Engineer

Financial Planning and Analysis

• Design, build, and own the Python market infrastructure stack for Kamino.
• Develop a reallocation engine that consumes real-time on-chain and off-chain data to drive automated capital allocations that make Kamino vaults efficient.
• Build reliable automated transaction and instruction pipelines for efficient interaction with Solana programs.
• Identify data points to enhance risk monitoring and implement real-time mitigation logic within the infrastructure.
• Create reporting tooling to support both operators and user-facing interfaces.
• Implement rigorous testing, monitoring, and security practices to ensure reliability, performance, and resilience against vulnerabilities and exploits.

Lead Software Engineer – Kamino Market Infrastructure

• Build systems for institutions to create and manage SuperVaults.
• Design and implement backend APIs, services, and real-time data pipelines connecting apps to onchain systems.
• Collaborate with researchers to improve strategy performance, automate rebalancing, and implement account abstraction flows (ERC-4337 / ERC-7579).
• Maintain high standards for reliability, monitoring, alerting, and incident response.
• Contribute to code reviews, architecture decisions, and engineering practices.

Software Engineer, Backend

Data Scientist

• Collaborate closely with marketing and other cross-functional teams to understand campaign strategies, lifecycle efforts, product usage metrics, and translate those into actionable data insights using tools like SQL and Mode
• Analyze growth funnels, campaign performance, and user cohorts to identify key acquisition and retention drivers to inform product decisions
• Own attribution and cohort analyses across marketing channels to optimize user acquisition strategy
• Design and evaluate A/B tests and lifecycle marketing strategies to improve user conversion and engagement
• Design and maintain scalable data pipelines and structured models in the data warehouse (e.g., using SQL) to power marketing dashboards, campaign tracking, and self-serve analytics
• Build pipelines for blockchain transaction, order book, and market participant data to support analysis of user behavior, product engagement, and market dynamics relevant to growth strategies
• Own and evolve marketing dashboards with KPIs, data visualization with strong story telling, etc. to influence marketing and product decisions for Senior Leadership
• Ensure high data quality and consistency by implementing validation, monitoring, and documentation standards; establish strong data governance practices across marketing and growth analytics
• Help instill a data-first culture by making tools and metrics intuitive, reliable, and accessible. Provide guidance to teammates on how to use and interpret data
• Continuously enhance data infrastructure by optimizing systems, evaluating new tools, and promoting data best practices across the organization
• Work closely with cross-functional teams to understand data requirements and deliver solutions that meet business needs

• SDK/API development — build APIs and SDKs to allow developers to integrate Paxos Labs on-chain infrastructure into enterprise platforms.
• Research and integrate smart contract transactions.
• Maintain a secure open-source repository and iterate on developer experience.
• Fullstack development — collaborate with designers on prototypes and iterate across frontend and backend.
• EVM development — stay updated on Ethereum core upgrades affecting wallet and developer UX.
• Ensure reliability by upholding high standards in liveness SLOs and observability.
• Work closely with security engineers to safeguard developers and users from exploits.

Fullstack Product Engineer

Smart Contract Engineer

• Own protocol development on HyperEVM, including the design, implementation, and deployment of production-grade smart contracts powering positions, collateral management, fee routing, and settlement flows
• Architect DeFi primitives end-to-end, such as staking and locking mechanisms, liquidity and fee systems, vaults, and risk controls (circuit breakers, caps, kill-switches, guardians), with explicit gas and latency budgets
• Design and implement safe upgradeability strategies (UUPS, transparent, beacon), including storage-layout testing and invariant preservation through migrations and staged rollouts
• Lead security and correctness efforts by modeling MEV and price-manipulation threats, writing invariants and fuzz tests (Foundry, Echidna), integrating static analysis tools (Slither), managing audit scope and responses, and owning post-mortems
• Drive operational excellence by defining on-chain SLOs, emitting analytics-ready events, building monitoring and alerting systems, and owning incident response, rollback, and patch runbooks

PvP Trade – Smart Contract Engineer

• Lead the design and development of scalable, secure, end-to-end features for Glider’s flagship product.
• Solve complex problems related to declarative trading and vertical solutions using creative, well-architected approaches.
• Work across backend infrastructure, onchain interactions, and frontend Web3 UX to ensure seamless integration.

Staff Full Stack Engineer

DeFi

• Collaborate closely with a Quantitative Researcher to manage a portfolio of yield generating opportunities across protocols and blockchains
• Manage algorithm design and back testing to produce actionable insights for DeFi portfolio management
• Automate complex onchain interactions interacting with various DeFi protocols via offchain services
• Monitor data, forecast risk, and implement optimized triggers
• Maintain trading infrastructure and tools to guarantee operational security
• Build solvers to find optimal routing through various DEXs

DeFi Backend Engineer

• Help scale Paxos Labs’s DeFi infrastructure capabilities
• Build DeFi infrastructure that reimagines on-chain liquidity strategies
• Delegate strategy and risk management to advanced off-chain compute while maintaining on-chain safety constraints

• Design, build, and maintain DeFi market infrastructure
• Develop and scale production-grade Python systems
• Build tooling, automation, monitoring, and reporting
• Improve system safety, reliability, and performance
• Review and harden existing infrastructure
• Collaborate with protocol, research, and operations teams