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Animoca Brands Limited
$90k - $150k estimated
Protocol Engineer, Moca Network
Remote / Dubai / China / Hong Kong / Singapore
Animoca Brands Limited â Mocaverse /
Full Time Employee /
Hybrid
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About Moca Network
Moca Network, one of Animoca Brands' flagship projects, is building the chain-agnostic digital identity infrastructure for the open internet by providing one universal account for a user's assets, identity, and reputation across multiple ecosystems. The primary product built by Moca Network is AIR Kit, a digital identity infrastructure that enables Web2 and Web3 projects to create a universal embedded account for users to own and use digital assets, identity, and reputation data, while gaining access to a suite of DeFi and consumer services provided by Moca Network's partners. AIR Kit empowers large user base apps to create their own app ecosystem natively with embedded blockchain features, while ensuring these users can use the same account, identity, reputation across all consumer apps on any chains that have adopted AIR Kit.
Weâre hiring a Protocol Engineer to design, implement, and operate the core software of the Moca Chainâfocusing on reliability, performance, and the identityâspecific features of our L1. Youâll work on client/runtime components, networking, crossâchain identity flows, and ZK integrations that enable private verification at scale.
Youâll partner with protocol researchers, ZK engineers, and infra/DevOps to run testnets, ship upgrades, and launch features like zkTLS proofs, verifiable credential issuance/verification, and our identity oracle.
Responsibilities:
- Build features in the node/client: execution/runtime, mempool, sync, and networking.
- Implement identityâcentric primitives (credential issuance/verification hooks, precompiles/syscalls as needed).
- Optimize state I/O, snapshots, pruning, and fast/warp sync; improve RPC throughput and p95 latency.
- Integrate zeroâknowledge proof verification inâprotocol (e.g., verifier circuits, precompiles).
- Support zkTLS proof ingestion and verification for webâorigin attestations.
- Contribute to the chainâagnostic identity oracle: message formats, replay/order protection, finality handling.
- Build/maintain lightâclient/optimistic verification paths or integrate with ecosystem standards (e.g., IBC/ICS, L1âL2 messengers) as appropriate.
- Design robust relayer and operator tooling with clear incentives and observability.
- Engineer decentralized data storage integration for reusable, privacyâpreserved credentials.
- Tune RocksDB/LevelDB (or equivalent) and state commitment schemes for high throughput identity verification.
- Stand up and operate public/private testnets; plan releases and canary rollouts.
- Add metrics/logs/traces; build dashboards and alerts; respond to incidents and write clear postmortems.
- Expand test coverage: unit/integration, fuzzing, and differential tests across client versions.
Requirements:
- Strong systems engineering in Go or Rust (or similar); solid concurrency/async, profiling, and performance tuning skills.
- Experience building backend or protocolâadjacent infrastructure that runs in production.
- Practical familiarity with blockchain client internals (any of: EVM/WASM runtime, Cosmos SDK/Substrate modules, or rollup nodes).
- Comfortable with Web3 interfaces and ops: RPCs (JSONâRPC/gRPC), node configuration, validator/sequencer operations, snapshots/state sync.
- Sound engineering practices: testing, code reviews, CI/CD, reproducible builds, and clear documentation.
- Security mindset: input validation, DoS/eclipse awareness, rateâlimiting, key management basics.
Nice-to-haves:
- Zeroâknowledge integration experience (using/verifying proofs, e.g., PLONK/Groth16/FRI) or prior work on verifier precompiles.
- Exposure to identity/credentials standards (VCs/VPs), replay protection, nonce/sequence management, and capability/permissions models.
- Crossâchain experience: light clients, optimistic/validity bridges, IBC/XCM, or L1âL2 messaging.
- Database/storage tuning in highâthroughput chains; experience with state growth and archive modes.
- Contributions to openâsource blockchain clients or identity/zk tooling.
The Perks of Joining Animoca Brands:
A Vibrant and Diverse Workplace: Immerse yourself in a dynamic, multi-cultural environment with colleagues from over 15 nationalities (and growing!). We celebrate diversity and foster a global perspective.
Incentives in the Web3 Space: Be a part of the future and align your success with the growth of our innovative projects.
Direct Impact and Flat Structure: Your voice matters. We operate with a flat organizational structure, ensuring your ideas are heard and implemented quickly.
Comfortable and Creative Atmosphere: Embrace a relaxed and productive work environment with casual attire.
Opportunities Across the Ecosystem: Expand your horizons by collaborating with various subsidiary brands within the Animoca Brands network, gaining exposure to a wide range of projects and technologies.
Comprehensive Benefits Package: We care about your well-being. Enjoy a comprehensive benefits package, including medical, life, and transportation allowances.
Personal Information Collection Statement:
Personal data provided by the Job Applicant will be used strictly in accordance with the Employer's Personal Data Policies, a copy of which will be provided immediately upon his/her request. All classified data will be treated confidentially within the Human Resources & Administration Department. Personal data of unsuccessful applicants may be retained for a period of up to 3 months.
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How do I get a job at DeFi?
Getting a job in the DeFi (decentralized finance) industry can be a competitive process, but there are a few steps you can take to increase your chances of finding a job in this field:
- Build up your skills and knowledge: To work in DeFi, you'll likely need to have a strong understanding of blockchain technology, as well as other related technologies such as smart contracts and cryptocurrency. Consider taking online courses or earning a degree in a relevant field to build up your skills and knowledge.
- Network with industry professionals: Attend meetups and conferences related to DeFi and make connections with professionals in the industry. Networking can be a valuable way to learn about job openings and get your foot in the door at a DeFi company.
- Create a strong online presence: Many DeFi companies will look at your online presence (such as your LinkedIn profile and personal website) when considering you for a job. Make sure to showcase your skills and accomplishments online and keep your profile up to date.
- Apply for relevant job openings: Keep an eye out for job openings at DeFi companies and apply for positions that align with your skills and experience. Apply for DeFi Jobs without Experience. Tailor your resume and cover letter to the specific job you're applying for and highlight any relevant experience or skills you have.
- Consider internships or volunteer work: DeFi Internships or volunteer work can be a great way to get your foot in the door and gain valuable experience in the DeFi industry. Many companies also offer internships to students, so consider applying for an internship if you're still in school.
- Be persistent: keep trying if you don't get a job right away. It can take time to find the right opportunity, but with the right skills and determination, you can land a job in the DeFi industry.