ZODL

Role Description We’re looking for an Analytics & Optimization Specialist to help drive the next phase of growth for ZODL and the Zodl wallet. This role sits at the intersection of analytics, experimentation, content, and growth. You’ll work closely with our Head of Marketing and Comms Lead to understand what drives attention, engagement, conversion, retention, and long-term adoption across our marketing and ecosystem efforts. You will help build the analytical foundation behind our marketing organization. You will: - Identify patterns, measure performance, improve efficiency, and help us make smarter decisions across content, campaigns, user acquisition, and growth initiatives. - Understand what resonates, which initiatives drive results, and how we should optimize every aspect of our marketing to increase Zodl adoption and overall ecosystem engagement. This role is ideal for someone who combines strong analytical thinking with creative marketing instincts. You should be comfortable moving between analytics, experimentation, and creative collaboration across the broader marketing function. Qualifications - Deep curiosity and enjoyment in figuring out why something works or doesn’t work. - Understanding of funnels, and how users move through acquisition, activation, retention, and referral flows. - Ability to synthesize data, trends, feedback, research, and performance insights into clear recommendations. - Natural inclination toward analytics, numbers, experimentation, systems, and optimization, with a genuine enjoyment of the creative side of marketing. - Comfort in creating marketing content, including writing posts, creating and editing videos, and exploring other forms of promotional and educational content. - Strong growth instincts and enjoyment in experimenting with ideas, formats, messaging, and channels. - Comfortable working across multiple tools, platforms, and workflows, constantly looking for optimization opportunities. - Ability to communicate insights clearly and translate data into actionable recommendations. - Ability to handle ambiguity well and improve imperfect systems over time. - Proactive and comfortable operating with autonomy in a fast-moving environment. - Highly organized and collaborative. Requirements - Experience working in crypto and genuine interest in Zcash, privacy, financial sovereignty, open systems, and the future of digital money. - 3+ years of experience in marketing analytics, growth marketing, performance marketing, optimization, product marketing, or related data-driven marketing roles. - Experience in content, communications, campaigns, social media, or other marketing roles demonstrating strong creative instincts and understanding of audience psychology. - Demonstrated ability to connect marketing activity to product outcomes: downloads, signups, retention, monthly active users, and measurable growth. - Strong analytical and pattern-recognition skills, with the ability to spot trends, anomalies, and insights across large data sets. - Experience running A/B tests and evaluating creative performance across channels (social, website, app store, campaigns). - Hands-on experience with AI tools and automation workflows. - Hands-on experience with analytics and reporting platforms such as Google Analytics, App radar, Search Console, Mixpanel, and similar tools. - Experience with SEO principles, keyword research, and organic growth strategies. - Ability to understand marketing performance within the broader context of positioning, messaging, user psychology, and product adoption. - Ability to translate signals from across marketing, product, user behavior, analytics, and ecosystem activity into clear recommendations, prioritizations, and strategies. Benefits - Competitive compensation: $100k-140k. - Remote work flexibility.

Role Description We are seeking a deeply experienced cryptography engineer to lead security-critical work across ZODL’s protocol, specifications, and core infrastructure. This role is responsible for: - Reviewing and shaping the cryptographic foundations of Zcash-related software, ensuring correctness, privacy guarantees, and long-term protocol integrity. - Acting as a technical authority on cryptography and protocol design, working across specifications, implementations, and external collaborations. - Leading cryptographic reviews and audits of specifications and implementations across ZODL projects. - Performing security and privacy reviews of protocol changes, wallet flows, and cross-chain integrations. - Contributing to and reviewing Zcash protocol specifications (ZIPs) and internal design documents. - Identifying and mitigating privacy leaks, cryptographic weaknesses, and edge-case vulnerabilities. - Collaborating with engineers to ensure correct implementation of cryptographic primitives. - Participating in protocol design and evolution, including new features and upgrades. - Working with external researchers, auditors, and the broader Zcash ecosystem. - Guiding internal teams on best practices for cryptography and security architecture. - Responding to and helping coordinate security incidents and disclosures. The Core Engineer will report to the Head of Engineering. The Engineering Team now encompasses both Core and Zodl wallet development. Although this role will primarily involve the former, you will also be collaborating closely with developers working on the Zodl wallet. Qualifications - A commitment to our users’ privacy, and to the cypherpunk ethos of empowering freedom and autonomy by making secure, well-designed cryptography more widely accessible. - Deep expertise in applied cryptography. - Strong understanding of zero-knowledge proofs, especially in the context of Zcash (e.g. Sapling, Orchard). - Experience reviewing or designing cryptographic protocols. - Proven experience conducting security audits or formal reviews. - Strong ability to reason about privacy guarantees and threat models. - Experience working with technical specifications and protocol design docs. - Familiarity with Rust or ability to review Rust implementations. Requirements - Prior contributions to Zcash, ZIPs, or related ecosystems. - Experience with zk-SNARKs / Halo / PLONK-like systems. - Background in formal verification or high-assurance systems. - Public track record (papers, audits, open-source contributions). Key Traits - Paranoid (in a good way) about privacy leaks. - Extremely detail-oriented. - Comfortable saying “this is not safe to ship.” - Able to translate complex cryptography into actionable guidance.

Role Description We are seeking a pragmatic, high-output Rust engineer to build and maintain ZODL’s core infrastructure and wallet stack. This role focuses on shipping secure, reliable systems while collaborating closely with protocol and cryptography experts. - Build and maintain Zallet (our CLI wallet) and Zcash’s Rust-based core libraries - Implement protocol features based on existing specifications and guidance - Develop and maintain specifications to enhance, document, and support security analysis of the Zcash protocol, either led by ZODL or in collaboration with third-party developers - Develop wallet infrastructure and features - Improve performance, reliability, and developer ergonomics of core systems - Support downstream teams (e.g. Zodl mobile) with developing features, and investigating issues - Participate in code reviews, testing, and release processes - Respond to bugs and security issues with urgency Qualifications - Experience with Rust, and with developing secure and reliable code in modern programming languages similar to Rust, Swift, Kotlin, and Go - Experience building reliable, secure backend or systems-level software - Ability to work from technical specifications - Solid understanding of security fundamentals - Experience with testing, debugging, and performance optimization - Comfortable working in a fast-moving startup environment - Experience with cryptography libraries or blockchain systems - Familiarity with Zcash concepts - Experience with mobile-integrated backends or SDKs - Open-source contributions Requirements - Deep knowledge of cryptography is not required, but a willingness to learn and an appreciation for the importance of security are essential Key Traits - Pragmatic and delivery-focused - Strong ownership and accountability - Knows when to ask for review vs. push forward - Comfortable operating with incomplete information

Role Description We’re building a privacy-first, self-custody mobile wallet where reliability is critical — bugs don’t just frustrate users, they can result in lost funds. We’re looking for a Senior QA Lead who can elevate quality across the product, not just test it. You’ll define how QA works, embed it into development, and ensure we can ship fast without compromising quality. - Define and implement a QA strategy from the ground up (process, tools, coverage) - Establish risk-based testing across critical wallet flows - Build and maintain real-world test scenarios (not just test cases) - Integrate QA into the development lifecycle (not just end-of-cycle testing) - Lead release QA with clear pass/fail criteria and ownership - Identify and implement high-impact automation where it actually adds value - Partner closely with mobile engineers (Swift/Kotlin) to catch issues early - Drive a culture where quality is shared across the team Qualifications - Thinks in edge cases and failure modes, not just happy paths - Pragmatic — knows when to test manually vs automate - System builder — can design QA processes, not just execute them - High ownership — treats product quality as a core responsibility - Comfortable in fast-moving, ambiguous startup environments Requirements - 5+ years in QA, with significant time in mobile-focused roles - Proven experience building or scaling QA processes in a startup or fast-paced environment - Experience testing high-risk or high-reliability systems (e.g. fintech, crypto, payments, health) - Hands-on experience with both manual and automated testing Benefits - Compensation: $130k-$165k base + potential for equity Company Description ZODL (Zcash Open Development Lab) is building the software necessary to onboard billions of users to Zcash. Created by the original inventors and developers of the Zcash protocol, we deliver world-class UX for ZEC on top of our core protocol work. - Product suite includes Zodl mobile (iOS and Android) with built-in cross-chain swaps - Zallet, a full-node Zcash wallet written in Rust, built as a replacement for the zcashd wallet - On the horizon: Zodl Vault (a desktop wallet for multisig, inheritance, and institutional use cases), web-based wallets, and headless/agentic wallet infrastructure

Role Description We’re looking for a Marketing Assistant to support day-to-day marketing execution across a wide range of tasks. This role is ideal for someone early in their career, who is organized, dependable, adaptable, and eager to learn. You’ll work directly with the Head of Marketing to execute content, manage workflows, coordinate assets, keep projects moving, and step in wherever support is needed. This is an execution-first role. Success depends on consistency, flexibility, strong follow-through, and the ability to stay on top of shifting priorities. What You'll Do - Schedule and publish content across platforms - Help maintain content calendars and task trackers, track deadlines and deliverables - Update dashboards and internal documentation - Organize and update marketing assets - Coordinate internal and external communications, meetings, and events - Conduct lightweight research when needed - Assist with one-off tasks that support daily operations Qualifications - 2–4 years of marketing experience - Strong written communication skills - Comfortable learning new tools quickly - Passion for privacy and cryptocurrency - Interest in analytics is a plus - You don’t need deep expertise, but you should be comfortable learning new tools - You reliably complete tasks without reminders - You ask clear questions when instructions are unclear - You reduce friction and stay organized even when priorities shift - You are coachable and willing to handle both small and large tasks How This Role Fits into the Org You report directly to the Head of Marketing. Your primary collaborators are: - Head of Marketing: Sets the direction of your role; primary day-to-day collaborator. - Head of Partnerships: Surfaces partner capabilities, ecosystem opportunities, and market signals. - CEO / Head of Product: Sets product strategy and direction. What We're Not Looking For Someone who needs a large team or significant budget to be effective.

Role Description We're creating an R&D function and hiring its first leader. This person will explore new product opportunities across Zodl's consumer and infrastructure surface area, including: - Mobile wallets - Desktop wallets - Web-based wallets - Zallet - Headless/agentic wallets - Commerce tools The best ideas become working prototypes that get handed off to our engineering and product teams for development and release. This is not a product management role. You won't be writing tickets and running standups. And it's not a pure research role. We need working code, not papers. The job is to: - Independently identify opportunities - Evaluate feasibility against real protocol constraints - Build proof-of-concept implementations - Make a case for what we should build next You'll work closely with the CEO (who serves as Head of Product) to align R&D priorities with product strategy. You'll partner with our Head of Partnerships to evaluate technologies from partners and ecosystem players, conducting reviews for fit and viability. And you'll collaborate with our Head of Protocol R&D to validate that what you're proposing is achievable at the protocol level. But the expectation is that you can operate independently: form a thesis, pick up the right language or framework, build something that works, and present it with a clear recommendation. What You'll Do - Identify and evaluate new product opportunities across Zodl's product suite and beyond, including: - Agentic wallets - Web-based wallets - Commerce infrastructure - Cross-chain capabilities - Privacy-preserving UX patterns - Areas we haven't thought of yet - Build working prototypes in whatever stack fits the problem (Rust, TypeScript, Swift, Kotlin, Python) to validate feasibility and demonstrate value - Evaluate partner and ecosystem technologies (cross-chain protocols, hardware wallet integrations, DeFi primitives, payment rails) in collaboration with our Head of Partnerships, conducting fit and viability reviews - Work with the CEO/Head of Product to align R&D exploration with product strategy and company direction - Consult with mobile engineering on R&D activities to ensure alignment with platform constraints - Leverage core and mobile engineering teams to assist and collaborate on prototypes as their bandwidth permits - Produce clear handoff artifacts (specs, architectural recommendations, and prototype code) that our engineering teams can use to plan and execute development - Assess protocol-level feasibility independently, understanding when and how to engage our Head of Protocol R&D for deeper validation - Present findings and recommendations to the CEO and broader team with conviction and clarity Qualifications - Significant experience building in the blockchain/crypto space. You understand wallets, key management, transaction construction, and on-chain/off-chain tradeoffs at a level where you can reason about them without hand-holding - Polyglot builder. You pick up languages and frameworks as needed rather than being anchored to one stack. You've shipped code in at least three languages in a professional context - Strong product intuition. You can articulate why something should be built, not just how. You've originated product ideas that shipped, not just executed on someone else's vision - Excellent written communication. This is a remote, async-first team. Your prototypes need documentation. Your recommendations need to be legible to both technical and non-technical stakeholders - Comfort operating independently with high ambiguity. You won't have a detailed roadmap handed to you. You'll be expected to define your own priorities and make a case for them Requirements - Experience with privacy-preserving technologies (zero-knowledge proofs, shielded transactions, viewing keys, threshold signatures/FROST) - Familiarity with the Zcash ecosystem or adjacent privacy-focused protocols - Experience with cross-chain interoperability (bridges, intents-based architectures, atomic swaps) - Background in consumer wallet or payments UX - Experience with web-based wallet architectures (browser extensions, progressive web apps, embedded wallets) - Experience evaluating and integrating third-party SDKs and partner technologies - Prior experience at an early-stage startup where you wore multiple hats What We're Not Looking For - Someone who needs a large team or significant budget to be effective. This is a solo operator role for now. - A pure researcher who publishes but doesn't ship code. - A generalist PM who coordinates but doesn't build. - Someone whose crypto experience is limited to trading or tokenomics. We need protocol-level depth.