# About ZetaChain

We’re building something ambitious at ZetaChain: the first universal blockchain that connects everything—Bitcoin, Ethereum, every chain. We’re backed by top investors, live on mainnet, and building the future of blockchain technology. If you’re excited about working on big, meaningful problems with a world-class team, you’re in the right place.

We are seeking an experienced and dedicated Senior Blockchain Security Engineer to join our Security team and play a crucial role in safeguarding the ZetaChain ecosystem.

Why You Want To Work Here

• Impactful Role: Play a pivotal role in shaping the future of a leading blockchain protocol.
• Remote Flexibility: Enjoy the freedom and flexibility of a remote work environment, ensuring a work-life balance with quarterly team meet ups to get to know each other in person.
• Cutting-Edge Technology: Dive deep into the latest advancements in blockchain technology with ZetaChain’s innovative protocol.
• Continuous Learning: Stay updated with the rapidly evolving blockchain landscape, ensuring you’re always at the forefront of the industry.
• Commitment to Open Source: We are committed to supporting open source software and use high quality open source tools internally when possible.

Find out more about our high performance culture.

Job Description

This role is focused on securing the broader ZetaChain ecosystem by working hands-on with independent third-party developer teams — from early-stage grant recipients to established partners — to help them build and maintain secure blockchain applications. These teams are critical to our ecosystem’s growth.

The ideal candidate has a strong background in product security, TypeScript/JavaScript/React programming, and Web3 development, along with deep knowledge of wallet security, dApp threat modeling, and account abstraction (EIP-4337). You should be comfortable acting as both a technical expert and a trusted partner to external teams.

Responsibilities

• Work directly with external ecosystem developers to advise on smart contract, dApp, and wallet security best practices throughout the development lifecycle
• Collaborate with internal and external teams to identify high-risk code changes in both React/TypeScript frontends and smart contracts, participating in security-focused code reviews
• Develop and implement innovative security testing methodologies specific to blockchain and DeFi environments
• Analyze new and emerging dApp and wallet attack vectors (phishing, session hijacking, malicious npm packages, RPC manipulation) and assess their potential impact on the ZetaChain ecosystem
• Lead or coordinate security audits and penetration tests for ecosystem projects, and drive timely remediation of findings
• Contribute to and help manage the bug bounty programs by validating and triaging reported vulnerabilities
• Create and maintain security guidelines, best practices, and documentation tailored for ecosystem developers

Requirements

• Location:
  • Hybrid in San Francisco is preferred (2-3 days a week)
  • Open to fully remote for exceptional candidates that align with US Timezones
• 3+ years of experience in cybersecurity, with a focus on blockchain and Web3 technologies
• 2+ years of software development experience working with smart contracts (Ideally Solidity)
• Experience with security tools and techniques specific to blockchain environments
• Deep familiarity with common attack vectors in Web3, such as flash loan attacks, reentrancy, and oracle manipulation
• Strong understanding of Wallet security (EIP-712, SIWE etc), account abstraction (EIP-4337), smart contract vulnerabilities and DeFi-specific risks
• Familiarity with tools and frameworks like Foundry, Slither, Tenderly, Wagmi, viem, RainbowKit
• Strong analytical and problem-solving skills with attention to detail
• Excellent communication skills and ability to explain complex security concepts to both technical and non-technical audiences

Preferred Qualifications

• Experience with Ethereum, Ton, Solana, SUI, and other major blockchain protocols
• Previous experience auditing code (Solidity, React, Typescript, Rust, Func, etc)
• Contributions to open-source blockchain security tools or research
• Active participation in bug bounty programs or capture-the-flag (CTF) competitions
• Experience implementing and managing automated security testing pipelines
• Familiarity with formal verification techniques for smart contracts
• Understanding of zero-knowledge proofs and their blockchain applications

In-Office Culture

This is a remote position but we will prioritize applicants based in the Bay Area. Many members of our team work hybrid from our San Francisco office, and we aim for 2 to 3 in-office days per week. We know life happens, whether it’s travel, appointments, or family needs and we’re flexible when the schedule needs to shift. The company is a mix of fully remote and hybrid team members.

Compensation

Base Salary: $150,000 – $200,000 (San Francisco benchmark)

In addition to the base salary, all full-time team members receive an additional 10% to 25% in liquid benefits with upside based on role, experience, and impact. We believe in building together and sharing in the long-term success of the network. Compensation packages are designed to be competitive and aligned with the growth of both the team and the ecosystem.

Let’s build the first Universal Blockchain together.

Apply Now:

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About the Company

Grove Lab’s (a Steakhouse Financial company) mission is to build the open source credit and liquidity rails that let anyone, anywhere move, save, and lend value at internet speed. In collaboration with the Sky Ecosystem, we build transparent, efficient, and accessible financial primitives to power the next generation of capital markets on public blockchains.

We are gathering the best minds in finance, engineering, legal, data, and risk to build the future of finance.

About the Role

As a Senior Full Stack Engineer at Grove Labs, you will have the opportunity to lead the development of the next generation of onchain DeFi experiences. You’ll be in charge of shipping a suite of products that can scale to millions of users on top of infrastructure that is safely and efficiently processing transactions worth billions in underlying value. You will join a small but ambitious team with a wide range of responsibilities who are working to solve some of DeFi and TradFi’s most challenging problems. You will play a pivotal role in designing and implementing new primitives for DeFi in partnership with the largest and most sophisticated capital allocators in the world, to truly scale DeFi globally.

What You’ll Do

• Designing and developing new user-facing onchain experiences that push the frontier of tokenized assets, DeFi, and institutional adoption of crypto.
• Deploying modern, full-stack web applications following best practices to ensure compliance, security, and availability across multiple geographies and networks.
• Take a leadership role in defining and driving architectural decisions, ensuring the platform is scalable, secure, and aligned with long-term business objectives.
• Defining procedures around managing deployments, handling technical debt, and driving continuous improvement so that we can ship with quality and speed.
• Contributing in an open source manner to projects that aim to drive transparency and composability via on-chain systems, data, and and services (e.g. dashboards) Working closely with solidity engineers to integrated systems and API endpoints that enable modularity and composability for our platforms. that expose blockchain functionality to front-end applications and external stakeholders.
• Implementing monitoring and alerting systems to maintain high uptime and low-latency experiences.
• Implementing Large Language Model-enabled experiences like chat interfaces or agentic frameworks.
• Building CI/CD pipelines that leverage leading cloud infrastructure platforms (AWS, Google Cloud) and industry standard tools.
• Collaborate with design teams to build responsive, modern web applications that delights users and excites industry partners.
• Iterate rapidly with stakeholders to solve problems within DeFi and TradFiGuide junior and mid-level engineers, perform code reviews, and foster a culture of knowledge sharing and best practice adoption.
• Champion engineering excellence and agile processes, ensuring projects are delivered on time and on budget.

What We’re Looking For:

• Bachelor’s or above in Computer Science, Engineering, or a related technical field.
• 5+ years of software engineering experience with a strong background in TypeScript, React, NextJS, Tailwind, and TanStack Query (e.g. T3 stack) as well as Python and SQL.
• Minimum of 2+ years of experience working in developing decentralized applications, ideally with another
• DeFi Protocol with a large user base. Ideally strong familiarity with web3 programming and using EVM-based tooling like, Foundry, Tenderly, etc.
• Expertise in Node.js, Python, Go, or similar on the backend, with a proven track record of building scalable REST or GraphQL APIs.
• Experience deploying applications across multiple regions using cloud platforms like AWS, Google Cloud).
• Familiarity with cloud-native architecture, VPC networking, telemetry and monitoring.
• Proficiency with containerization (Docker/Kubernetes), and CI/CD pipelines (Argo CD).
• Basic to intermediate familiarity with smart contracts, Ethereum, EVM-based chains, or other relevant blockchain technologies.
• Proven expertise in relational database management using PostgreSQL, including designing robust data schemas, optimizing SQL queries, and constructing scalable data pipelines.
• Knowledge of secure coding practices, focused on implementing robust encryption, authentication, and authorization protocols (e.g., OAuth2, JWT).
• Practical experience with various DeFi protocols (e.g., lending, derivatives, AMMs, stablecoins) and an ability to design and implement complex financial logic on-chain.
• Knowledge of tokenization platforms, and relevant industry standards (e.g., ERC-20, ERC-721, ERC-1155).
• Excellent technical and non-technical communication skills, verbal and written.
• Strong emphasis on understanding the “why” behind requirements and commitment defining the “minimum scope”.

What We Offer

• Opportunities to be ambitious, grow, and push the frontier of global digital finance.
• Competitive compensation including salary, future token rights, and equity.
• True impact at scale - we have partnered with some of the world’s largest financial institutions to bring real world on-chain.
• Work within a remote and highly collaborative team consisting of diverse experts with the opportunity to travel to team events and conferences.
• Regular opportunities for skill development, leadership roles, conference participation, and knowledge sharing in a supportive, fast-paced environment.
• An environment where we work hard and have fun doing so!

About Helius

Helius is a leading developer platform on the Solana blockchain, dedicated to inspiring and accelerating the creation of crypto-powered software. Customers like Coinbase, Jupiter, and Phantom use Helius to power their applications on Solana.

We’ve raised over $34m from Haun Ventures, Founders Fund, Foundation Capital, 6th Man Ventures, Reciprocal Ventures, Chapter One and angel investors including Solana co-founders Anatoly Yakovenko and Raj Gokal, and Balaji Srinivasan. Our team members have previously built mission-critical, scalable infrastructure at AWS, Coinbase, Stripe, Google, Digital Ocean, and more.

Here is the Helius Manifesto so you know what to expect if you join Helius.  

Role Description

We are looking for a Rust Engineer with experience in building and scaling distributed systems to join our growing team. If you have a passion for blockchain technology and a strong sense of ownership, we’d love to hear from you!

Responsibilities:

• Implement and maintain backend services following established architectural patterns and best practices
• Work with team members to integrate new features into existing infrastructure components
• Debug performance issues and implement solutions with guidance from senior engineers
• Help set up and maintain monitoring systems for services you’re responsible for
• Follow security best practices and coding standards while implementing new features
• Participate in code reviews and contribute to technical discussions within the team

Requirements:

• Proficient with Rust.
• 3 years of experience with Rust or a similar language (C++, Golang, Java, etc).
• 3 years of experience building & maintaining high-scale production systems.
• Proficient with distributed systems and databases.
• Demonstrated ability to work autonomously, execute at speed, with excellent communication and collaboration skills.
• Startup and/or web3 experience is a bonus.
• Experience that is relevant to Helius is a major advantage.

What We Offer

• Competitive salary and equity package
• Flexible work hours and remote-friendly environment
• Generous vacation and time-off policy
• Wellness, travel, and educational budgets
• Opportunities for personal and professional growth in a fast-paced, dynamic industry

Helius is an equal opportunity employer.

About Dune

Dune is on a mission to make crypto data accessible. We’re a collaborative multi-chain analytics platform used by thousands of developers, analysts, & investors to understand the on-chain world and the frontiers of finance. We’re a team of ~55 employees,  working together across Europe and eastern US timezones 🌍️. We believe in our mission, and in building a powerful, open product that allows individuals and communities to do deep research into important ecosystems like Bitcoin, Ethereum, Solana, and many more. 

We’re backed by some of the world's best investors. In February 2022, we announced our Series B funding round led by Coatue and Union Square Ventures, an important milestone that allowed us to double down on our mission. We’re using the funds to educate, reward and empower a new generation of onchain analysts aka Wizards 🧙‍♀️

If you want to have one of the highest impact jobs on the planet, come join our wonderful team of Galaxy brains.

Learn more about us:

Dune's Vision

Values and working at Dune

About the role

Dune is pushing the boundaries of real-time data processing, and we’re looking for a talented Rust Engineer to help us build and optimize the next generation of APIs. As an engineer on DevX at Dune, you’ll play a crucial role in developing high-performance, real-time systems that power crypto applications. You’ll work on some of the most cutting-edge technologies directly impacting the user experience.

In this role, you will:

• Design, implement, and maintain high-performance, real-time APIs using Rust, ensuring they meet the industry-pioneering performance and stability requirements of our users.

• Work closely with the team to develop new features, such as better interpretation layers, enhanced data decoding, and improved API coverage for various blockchain data.

• Work on performance improvements such as optimizing CPU usage, improving latency, and implementing caching strategies for better data fetching.

• Explore and implement cutting-edge data storage solutions, improvements, and future explorations.

• Focus on stability improvements, improving recovery processes, and enhancing the robustness of our real-time systems.

• Contribute to the internal developer experience by improving local test setups, integration tests, and incremental deployment processes.

• Work on one of the fastest engineering teams in the industry

You might be a great fit for this role if you:

• 5+ years experience including 1 year of working with Rust.

• Have a deep understanding of systems programming concepts, particularly in high-performance or real-time applications.

• Are familiar with technologies like Parquet or similar and have experience optimizing data storage and retrieval processes.

• Know how to go deeper than “just use postgres” when building products.

• Enjoy tackling performance problems, optimizing CPU usage, reducing latency, and implementing efficient caching mechanisms.

• Enjoy working with customers and solving their problems.

• Have a strong ability to diagnose complex problems, particularly in distributed and real-time systems, and implement efficient solutions.

• Work well in a team environment, are comfortable discussing technical issues, and can effectively collaborate with other engineers to achieve common goals.

• Are excited about exploiting old and exploring new ways to improve system performance and reliability.

Perks & Benefits

• A competitive salary and equity package 🚀. Both salary and equity is top 25% of companies in the space

• Our employee equity scheme has world-class employee-friendly terms with a heavily discounted strike price (~90%) and a 10-year exercise window

• 5 weeks PTO + local public holidays (that can be swapped to suit you) 🏖

• A fully remote-first approach 🧑‍💻 within a distributed team with flexible working hours; you structure your own day 

• Say goodbye to meeting overload! We believe in a healthy mix of async and sync work, so you can focus on what truly matters—no more wasted time on endless meetings!

• Good health is important, so we offer private medical insurance, dental & vision as standard 🩺

• We believe in paid parental leave 👶 to help you celebrate this important milestone, transition to your new life, and bond with your new baby. We offer 16 weeks to primary and 6 weeks to secondary caregivers, fully paid. Plus a 2-week part-time phased return at full pay to help you get used to your new (and slightly more complex!) schedule

• Quarterly offsites in various exciting locations as a company or team to connect, work together and have fun (so far in Tuscany 🇮🇹 Berlin 🇩🇪 Austria 🇦🇹 and Athens 🇬🇷).

• On top of this 👆each person gets a yearly travel allowance to connect and co-work with someone or a team of people for a few days.

• An allowance for your at-home setup, to ensure you are happy, comfortable and productive. If you prefer a local co-working space, we’ll pay for your desk.

• Work with some of the best people you’ll ever get to meet!

• And of course, you get some awesome Dune swag! ✌️😎

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We are dedicated to building a diverse, inclusive, and authentic workplace, so if you’re excited about this role but your experience doesn’t align perfectly with every qualification in the job description, we encourage you to apply anyway. You may be just the right candidate for this or other roles.

Apply Now:

CX Compliance Operations is responsible for delivering high quality Transaction Monitoring (TMS) investigations, Enhanced Due Diligence review, Screening cases and Complaints Investigations, which is a critical component of Coinbase’s financial crimes & regulatory compliance programme aimed at deterring illicit activity on our platform, protecting against exploitation by criminals, complying fully with our legal and regulatory obligations, and ensuring effective outcomes for our customers.

As a Senior Training Delivery Manger, you lead a team of Coinbase trainers that provide New to Queue (onboarding), and Existing to Queue (cross-skilling) training to drive quality and performance through the Compliance and Complaints Investigations network. You will be the primary point of contact to schedule resources, own training delivery quality, and advise cross functional teams on the impact of change on the Analysts investigations requirements, and case outcomes to deliver effective, targeted support readiness training to help investigations keep pace with regulatory and technology change. You will partner closely with various cross-functional partners such as Workforce Management, Vendor Management, Operations, Compliance, Legal and Quality Assurance. You will be an expert in the field of Compliance and/or Complaints investigations, and have previous experience in leading a large, high impact training team, and delivering training both in person and virtually to a global audience.

This role is ideal for someone who is passionate about training delivery, compliance, thrives on enabling others, is a clear communicator (written and verbal), and adaptable to change in a fast-paced environment.

What you’ll be doing (ie. job duties):

• Team Leadership
• Manage, coach and develop a team of Compliance and Complaints trainers
• Provide structure, scheduling inputs and work with cross functional team to optimise the training delivery schedule
• Represent training delivery at cross functional forums, and own KPIs to evidence team performance.
• Training Delivery
• Deliver comprehensive, and interactive training sessions covering procedures, investigation requirements, and risk based decisions.
• Deliver onboarding, and cross skilling training and nesting support to enable L&D to meet its KPIs, and business SLAs
• Maintain high standards in training delivery for consistent knowledge transfer.
• Expand the use of Coinbase’s training Sandbox to test and validate agent’s proficiency against new procedures or case types
• Conduct Train-the-Trainer (TTT) masterclasses, certify trainers, and participate in continuous development programs to uplift trainer quality.
• Curriculum Development:
• Collaborate with cross functional teams and work with L&D to enable L&D to:
• Provide inputs to the design and development of training materials and modules tailored to Compliance or Complaints investigations
• Make recommendation of the design of onboarding, and cross skilling programmes to delivery day 1 quality for new investigators
• Ensure training content aligns with regulatory requirements and internal policies.
• Address and remediate training gaps identified through QC/QA processes.
• Work closely with functional leaders in compliance and support functions to maintain the highest standards of production and quality.

• Travel ~25% of the time to Coinbase, or vendor, offices in order to deliver onsite instructor-led training
• Flexibility ~ 25% of the time to deliver virtual training across global time zones to ensure full population coverage.
• Accountable for L&D KPI execution (CSAT, Nesting Pass Rate)

What we look for in you (ie. job requirements):

• 5+ years of Compliance and/or Complaints investigations and training experience.
• Ability to analyze complex, and large amounts of data to inform effective case outcomes.
• Proven track record of successfully improving investigations programmes to meet both customer and regulator requirements in either recognised large financial institution, fintech or enforcement agency.
• Excellent communication and interpersonal skills, with the ability to effectively engage and influence stakeholders at all levels of the organization.
• A passion for learning, and evidence of driving performance improvement both for individuals and in the ‘classroom’
• Strong analytical and problem-solving skills, with the ability to identify training needs, evaluate training effectiveness, and recommend improvements
• Ability to work independently and as part of a team, with a high level of self-motivation and personal accountability
• Exceptional organizational and time management skills, with the ability to prioritize tasks and manage competing deadlines
• Clear written and verbal communication

Nice to haves:

• Knowledge of crypto currency, and blockchain analytics tools.

Apply Now: