Across’ purpose: To fulfill crypto’s potential by making blockchains more usable, more accessible and more efficient.

Across’ Vision: Intents are the standard in cross-chain interoperability.

Who is Risk Labs?

Risk Labs is the foundation and core team behind UMA, and some top tier products built with it such as oSnap, Oval, and the Across protocol. The Risk Labs team, operates as one cohesive (amazing!) culture, but focuses on two core protocols, UMA and Across. UMA and Across are decentralized protocols governed by community members across the globe in DAOs, and are supported by Risk Labs Foundation. UMA’s optimistic oracle (OO) can record any verifiable truth or data onto a blockchain. Across is leading the future of interoperability with its frontier intents based architecture.

We’re looking for a Senior Backend Engineer to join the Across protocol team. You’d be working alongside top tier engineering talent, world class data driven product development, and a team motivated to be hugely impactful for the exciting interoperable future that we’re racing towards. You’re a person who loves optimizing and building at the intersection of technology, finance, and data.

Responsibilities

• Building backend services: Build highly available backend systems, both serverless and persistent. These systems should have a high degree of correctness, efficiency, and anti-fragility.
• Indexing complex onchain data: Design systems that index complex onchain data for ease of use and speedy access. Gas efficient protocols rely on indexing to keep user experiences snappy and pleasant**.**
• Data engineering: Design and develop large-scale data pipelines to drive our understanding of our users and our protocol’s real-world performance.
• Building bots and smart contracts: Build bots and other services whose primary role is to monitor smart contracts and send transactions. You will be responsible for building infrastructure that is responsible for company and user funds.
• Code review and mentorship: Write code in a highly collaborative open source ecosystem. As much of your day will be spent reviewing and designing code as it will be writing new code. We take pride in writing clean code.

Requirements

• 4+ years full-time experience in Software Engineering at a software, financial services or related technology organization
• 2+years of experience with blockchain-based projects (hackathons or personal projects as well)
• Experience with databases, networking, and data pipelines is strongly preferred
• Outstanding critical thinking skills; low ego, high curiosity and comfort in being wrong
• Deep interest in software; desire to understand the why and the how of everything you work on
• Demonstrated ability to learn new tech and write secure and clean code
• Passion for blockchain technology, cryptonomic protocol design, game theory, and decentralized finance
• Growth mindset; a desire to learn from and mentor those around you
• Strong communication and collaboration skills, especially written
• Language experience is not as important as your demonstrated ability to learn quickly but our language stack is simply: Typescript, Solidity, GCP

Compensation and Benefits

• Pay packages include competitive salaries & meaningful token options.
• Salaries for this role range from $100-200k (USD), and your token allocation can grow with your voting rewards while you participate in the growing ecosystem.
• Will pay in stablecoins or fiat
• Philosophies for a culture that show we care: Take vacation when you need it, family care, training and development (just to name a few)
• 100% remote, which means we encourage you to create the work environment that you thrive in.
• We are a globally distributed team and require all employees to have at least 3-4 hours of daily overlap with Eastern Standard Time (EST) to ensure seamless collaboration and communication. This allows us to work effectively across time zones while maintaining a strong team connection.
• At least two team wide offsites a year

Studies have shown that women and people of colour are less likely to apply to jobs unless they meet every single qualification. Risk Labs, the employing entity, is an equal opportunity employer and is dedicated to diverse, inclusive, and authentic workplaces. So, if you’re excited about this role but your past experience doesn’t perfectly align- we encourage you to apply anyways. We value you taking the chance. Risk labs will not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

Our values:

1. We value each individual’s right to economic freedom.
2. We value openness, honesty, and directness.
3. We value integrity.
4. We value iterative learning.
5. We value taking smart risks.
6. We value creating an environment where everyone “does their best work”.

Why do we love working at Risk Labs?

We are a group that’s aligned with the ethos of the crypto industry and doing our best to make an impact for the industry and world at large. You’ll succeed with Risk Labs if you’re a self-starter, kind, adaptable, and passionate about making an impact. Risk Labs is a values driven team that strives to create an environment where we can do our best work, and succeed. We’re building products that we believe in, and continuing to strive for innovation and growth. Both personally and professionally we support each other to create a happy, healthy, and inspired team vibe, so we can remain motivated to build things the world needs and loves. We take pride in the fact that we are at once family-friendly as well as nomad-friendly.

UMA’s optimistic oracle is a decentralized truth machine for Web3- yes, that’s a bold and very exciting statement. We’ve built a solid foundation, in terms of the team, the technology, and the products, and the road map ahead is one full of exciting technical challenges, growth, and telling our story to the world. Across is creating an interoperable world where DeFi is seamless with its intents based architecture. We’ve grown from an early bridge, to a market leader, and won’t stop innovating and building. We have big dreams, and a team excited to bring them to life.

Still want to know more?

• Our team blends a mix of highly-sought engineers, and a diverse business team to showcase their high quality tech. Our international and fast-growing team includes a diverse background of experiences and has drawn world class talent. We have a great network of supportive investors from groups like: Placeholder, Blockchain Capital, Bain Capital, Coinbase, Dragonfly… to name a few.
• Teammates take the time off that they need and support each other to be their best selves- we care about your wellness.
• You will not get bored with Risk Labs. We are constantly developing, building, experimenting and evolving. Yes we try to allow people to focus on their specific product areas, but things are always shifting and evolving. There’s no right answer and we’re all just doing our best!

# 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.

UMA Purpose: UMA is the canonical source of truth that blockchains use to verify real world data.

UMA Vision: UMA enables any verifiable truth to be recorded on-chain, trustlessly.

Who is Risk Labs?

Risk Labs is the foundation and core team behind the UMA and Across projects. UMA and Across are decentralized protocols governed by community members across the globe in DAOs, and are supported by Risk Labs Foundation. UMA’s optimistic oracle (OO) can record any verifiable truth or data onto a blockchain.

Across is a cross-chain bridge for L2s and rollups secured by UMA’s OO.

Where do you fit in?

We are looking for an experienced frontend lead to join our team. You will have the opportunity to lead the effort on turning design into reality across a variety of projects. This role requires the dynamism to work on quick proof-of-concept projects or within a methodical product development cycle depending on the objective, all while leading a small pod of frontend developers as their technical mentor and manager.

As a frontend lead working on both Across and UMA, you will architect and shape the user experience across many dApps and be an integral part of how people interact with our products. This will require sharp time management skills and the ability to scope and triage your own work in collaboration with your team.

Our tech stack: React, Typescript, viem, ethers Solidity, Node.js, Vercel, GCP

Responsibilities

• Lead the frontend team to scope and build fresh, delightful, snappy applications.
• Manage the developers on your team with empathy and accountability.
• Represent your team when collaborating with product, design, and other engineering teams.
• Expand on the work of other developers by diving into existing codebases to add features or fix bugs.
• Write code in a highly collaborative open source ecosystem. In depth reviews of others’ contributions is expected with a focus on helping others grow their technical expertise.

Requirements

• 4+ years full-time experience with frontend development in React.
• Passion for blockchain technology, cryptoeconomic protocol design, game theory, or decentralized finance.
• Demonstrated ability to learn new technology, solve problems, and build software.
• Experience with technical leadership and people management.
• Experience with the following technologies (in order of importance): React, ethers.js, viem, ethers, Typescript, NextJS and Vercel, Solidity/EVM.

Compensation and Benefits

• Pay packages include competitive salaries & meaningful token options.
• Salaries for this role range from $150-200k (USD), and your token allocation can grow with your voting rewards while you participate in the growing ecosystem.
• Will pay in stablecoins or fiat
• Philosophies for a culture that show we care: Take vacation when you need it, family care, training and development (just to name a few)
• 100% remote, which means we encourage you to create the work environment that you thrive in
• At least two team wide offsites a year

Closing

Studies have shown that women and people of colour are less likely to apply to jobs unless they meet every single qualification. Risk Labs, the employing entity, is an equal opportunity employer and is dedicated to diverse, inclusive, and authentic workplaces. So, if you’re excited about this role but your past experience doesn’t perfectly align- we encourage you to apply anyways. We value you taking the chance. Risk labs will not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

Our values:

1. We value each individual’s right to economic freedom
2. We value openness, honesty, and directness.
3. We value integrity.
4. We value iterative learning.
5. We value taking smart risks. We value creating an environment where everyone “does their best work”.

Why do we love working at Risk Labs?

We are a group that’s aligned with the ethos of the crypto industry and doing our best to make an impact for the industry and world at large. You’ll succeed with Risk Labs if you’re a self-starter, kind, adaptable, and passionate about making an impact. Risk Labs is a values driven team that strives to create an environment where we can do our best work, and succeed. We’re building products that we believe in, and continuing to strive for innovation and growth. Both personally and professionally we support each other to create a happy, healthy, and inspired team vibe, so we can remain motivated to build things the world needs and loves. We take pride in the fact that we are at once family-friendly as well as nomad-friendly.

UMA’s optimistic oracle is a decentralized truth machine for Web3- yes, that’s a bold and very exciting statement. We’ve built a solid foundation, in terms of the team, the technology, and the products, and the road map ahead is one full of exciting technical challenges, growth, and telling our story to the world.

Across is the Bridge Ethereum Deserves. The more people know, the more they love us for being the fastest and most capital efficient bridge. The interoperability space is early, and it’s anyone’s game-we’re here to win.

Still want to know more?

• Our team blends a mix of highly-sought engineers, and a diverse business team to showcase their high quality tech. Our international and fast-growing team includes a diverse background of experiences and has drawn world class talent. We have a great network of supportive investors from groups like: Placeholder, Blockchain Capital, Bain Capital, Coinbase, Dragonfly… to name a few.
• Teammates take the time off that they need and support each other to be their best selves- we care about your wellness.
• You will not get bored with Risk Labs. We are constantly developing, building, experimenting and evolving. Yes we try to allow people to focus on their specific product areas, but things are always shifting and evolving. There’s no right answer and we’re all just doing our best!