OP Labs is looking to hire a Security Engineer to join their team. This is a full-time position that is 100% remote with no geographical restrictions. Work remotely from anywhere.

OP Labs - Contributes to the Optimism protocol, an extension to Ethereum that scales both its technology & values.

Aztec is looking to hire a Software Engineer (Generalist) to join their team. This is a full-time position that is 100% remote with no geographical restrictions. Work remotely from anywhere.

Aztec - A privacy-first L2 on Ethereum.

Logos is a movement supporting the development of the decentralised web. Logos technologies lay the foundations for a freer internet upon which communities can evolve into network states. Each protocol in the Logos stack seeks to empower its users while upholding civil liberties and fundamental freedoms.

About Status Network

Status Network - the first natively gasless Ethereum L2 - is hiring a bilingual Developer Relations & Community Manager to lead our presence in South Korea.

Status Network’s roadmap includes deep integrations with Korean studios, gamers, and social apps builders. You will be the bridge between Status Network and the Korean builder community. This role is a unique blend of local developer community building, content creation, technical education, and strategic partnership management. The ideal candidate is a builder at heart, deeply embedded in Korea’s crypto scene, and driven by the mission to make developers discover a new way to build onchain - without gas.

Key responsibilities

• Launch, manage & moderate Korean-language channels (Telegram, Discord, KakaoTalk, Naver, Youtube, etc.)
• Design daily/weekly engagement loops; track sentiment & surface insights
• Produce Korean-first technical documentation, tutorials, code samples, blog posts, memes and “how-to” videos to make building on Status L2 intuitive and fun
• Run webinars, IRL meet-ups, hackathon tracks, and university workshops; report measurable impact (attendance, submissions, conversions)
• Onboard builders to Status L2; provide code samples and live demos
• Mentor power users and builders and KOLs; identify and amplify success stories
• Cultivate relationships with Korean web3 studios, infra providers, K-media, and event organisers
• Localise global campaigns (airdrops, quests, dev-grants) to maximise Korean participation
• Own community analytics (growth, retention, funnel KPIs) in GA / Dune / Notion
• Channel product pain-points and market trends back to engineering and leadership

You will ideally have

• Native-level Korean & professional English (written + spoken)
• 2+ yrs DevRel, developer education, or technical community building
• Hands-on coder - comfortable reading / shipping Solidity, TS or Rust and demoing live. Strong grasp of blockchain fundamentals, especially Layer 2 architectures.
• Ability to create content - we welcome all format but video will be prioritized
• Strong documentation and blog posts writing skills - able to review and suggest changes on existing documents
• Track record running ≥ 5 AMAs, hackathons, or workshops with published metrics
• Data-driven mindset; can design experiments and report RO
• Belief in open-source, self-custody, and cypherpunk ethos
• Experience in, and passion for, blockchain technology

Bonus points

• Proficiency in another Asian language
• Prior work at a rollup, DeFi, GameFi, or crypto infra project
• Existing network across builder communities at universities, Kakao, meetups, and indie hacker spaces
• Have an active YouTube or TikTok channel
• Have experience writing announcements, whitepapers, and legal-compliant materials for Korean audiences
• Public-speaking experience at conferences or YT/Twitch streams
• Familiarity with Ethereum L2s, RLN, zkEVMs, or onchain gaming UX
• Comfortable working remotely and asynchronously
• Experience working for an open source organisation.

[Don’t worry if you don’t meet all of these criteria, we’d still love to hear from you anyway if you think you’d be a great fit for this role. Just explain to us why in your cover letter].

Hiring process

• Interview with our People Ops team
• Community and ecosystem interview
• Technical interview and test
• Interview with the Status Network team lead

Compensation

The expected compensation range for this role is negotiable, dependent on how we assess your skills and experience throughout our interview process. We are happy to pay in any mix of fiat/crypto.

Espresso Systems is looking to hire a Developer Relations Lead to join their team. This is a full-time position that is 100% remote with no geographical restrictions. Work remotely from anywhere.

Espresso Systems - Lead developers of the Espresso Sequencer, which supports rollups with decentralization, scale, and interoperability.

Caiz

Revolutionizing Islamic Finance with Blockchain Technology

Are you ready to be part of a groundbreaking initiative that combines Islamic finance principles with cutting-edge blockchain technology?

Look no further than Caiz – The First Islamic Ecosystem Built on Blockchain

At Caiz, our mission is clear: to create a Fiqh compliant financial ecosystem that provides our community with fair and easy access to ethical financial products and services. We believe in empowering individuals to build a strong financial future while engaging in long-term economically beneficial behavior.

Our native coin, Caizcoin, that fuels the Caizblockchain. With Caizcoin, you can make seamless payments, store value, and interact with a range of ethical financial products we are developing. The centerpiece of our ecosystem is the innovative Caizapp, giving users complete control over their digital assets.

We are a passionate team reshaping finance, and we are expanding our dynamic workforce. Join us in a collaborative work environment focused on creating a fast and compliant money transfer structure.

Why to Join Caiz?

• Innovative & Purpose-Driven: At Caiz, we combine advanced blockchain technology with the principles of Islamic finance to create an innovative and modern financial system. Join us to be part of a forward-thinking organization that is reshaping the future of finance.
• Ethical Impact: As part of Caiz, you'll be working in an Organization that prioritizes ethics and integrity in all its operations, ensuring that every solution we offer aligns with the core values of fairness, transparency, and respect.
• Growth & Learning Opportunities: At Caiz, we value personal and professional growth. You'll have the opportunity to learn, innovate, and grow within a dynamic, supportive environment, while contributing to the development of ethical financial solutions.
• Global Vision, Local Impact: Caiz is focused on creating an inclusive, sustainable financial system that empowers individuals globally. You’ll be contributing to a company that has a positive impact on local communities and the global financial landscape.
• Collaborative Culture: We believe in teamwork and collaboration. You'll work alongside passionate professionals who are committed to driving change in the crypto and blockchain space, working together to create an ethical financial future.
• Secure & Transparent Environment: We emphasize trust and security in all aspects of our operations. As part of Caiz, you’ll be part of a transparent organization that values customer trust and ensures the highest security standards in the crypto space.

Tasks

We are looking for a highly skilled Blockchain Developer with expertise in Solidity and Rust to join our growing engineering team. You will play a key role in developing and optimizing smart contracts, blockchain protocols, and DeFi components that power the Caiz ecosystem.

As part of the core blockchain development team, you’ll work on both Ethereum-compatible smart contracts and Rust-based custom chain logic, contributing to secure, scalable, and innovative blockchain infrastructure.

Responsibilities:

• Design, develop, and deploy smart contracts using Solidity on EVM-compatible blockchains.
• Build and maintain Rust-based blockchain modules, such as on Substrate or Solana-compatible platforms.
• Contribute to the design of custom blockchain protocols and token standards.
• Write secure, gas-optimized, and thoroughly tested smart contracts.
• Collaborate with frontend and backend teams to integrate blockchain components into products.
• Conduct code reviews, audits, and vulnerability assessments for blockchain code.
• Analyze and improve the performance, security, and scalability of the Caiz blockchain.
• Stay up-to-date with the latest developments in blockchain technologies, including new EIPs, cryptographic primitives, and layer-2 solutions.

Requirements

Experience:

• 3+ years of experience in blockchain development with hands-on coding in Solidity and Rust.
• Strong understanding of smart contract design, blockchain architecture, cryptography, and consensus mechanisms.
• Experience developing and deploying smart contracts on Ethereum or similar EVM chains.
• Proficiency in Rust for blockchain environments such as Substrate or Solana.
• Familiarity with Web3.js, Ethers.js, Hardhat, Truffle, and related tools.
• Understanding of DeFi protocols, token standards (ERC-20, ERC-721, etc.), and layer-1/layer-2 ecosystems.
• Experience with version control systems (Git) and CI/CD workflows.
• Strong problem-solving skills and ability to write clean, maintainable code.

Preferred Skills

• Experience in building or contributing to a Layer 1 or Layer 2 blockchain.
• Knowledge of blockchain security best practices and audit processes.
• Exposure to zero-knowledge proofs (ZK), rollups, or cross-chain bridges.
• Experience in working within agile or startup environments.
• Understanding of Islamic finance or Sharia-compliant financial principles is a plus.

Level of studies: Bachelor’s degree in Computer Science, Software Engineering, Mathematics, or a related technical field.

Language Requirements: Fluent in English

Benefits

Benefits at Caiz:

• Competitive Financial Compensation: We offer financial benefits that reflect the value of your work and dedication.
• Work Flexibility: Enjoy the flexibility to work from home, the office, or even abroad.
• Annual Holidays: Generous paid time off to help you maintain a healthy work-life balance.
• Relocation Assistance: We provide relocation support for employees moving to new locations.
• Professional Development: Opportunities for training, certifications, and career growth.
• Employee Recognition: Programs to celebrate and reward your achievements and contributions.
• Inclusive & Collaborative Culture: A supportive and diverse work environment where your voice matters.
• Diversity, Equality, and Inclusion: We are committed to fostering a workplace that values diversity and promotes equality and inclusion for all employees.

Don't miss this opportunity – apply now and be part of the Caiz revolution.

Apply Now: