Senior Product Marketing Manager
At Offchain Labs, we are pioneering the advancement of blockchain technology to create a decentralized, secure, and transparent future. Our goal is to inspire innovation within the blockchain community and foster a culture of collaboration, openness, and inclusivity where innovative ideas can thrive. We believe in the boundless potential of blockchain technology and are dedicated to working with the brightest minds to push its boundaries.
We are in search of individuals who are proactive problem-solvers willing to tackle new challenges and push beyond existing limits. If you share our beliefs in the values of transparency, trust, and decentralization, and if you exhibit curiosity, adaptability, and a drive to challenge the status quo, we want you on our team.
Our team at Offchain Labs is on a mission to bridge the gap between the current blockchain landscape and its vast potential. We have successfully launched groundbreaking products such as Arbitrum, utilized and trusted by a wide range of users globally. However, our team continually strives to build upon this success with the introduction of innovative tools like Arbitrum AnyTrust, Arbitrum Orbit, Stylus, BoLD, and Arbitrum Nitro. Additionally, offchain Labs takes active participation in contributing to the Ethereum core protocol through the Prysm consensus client.
Following investments of $3.8M in seed funding in January 2019, $20M in Series A, and $100M in Series B funding in 2021, we are on the lookout for talented individuals with a keen interest in blockchain to join us in shaping the dynamic future of this industry.
Offchain Labs is currently seeking an experienced Senior Product Marketing Manager to join our trailblazing blockchain technology team. We are looking for a candidate with a deep technical understanding and a knack for marketing, ideally with strong roots in the crypto world. In this crucial role, you will be responsible for connecting our innovative products with the developer community, reporting directly to the Head of Marketing and playing a significant role in establishing our presence in the blockchain market. The successful candidate will lead a dynamic product marketing team, overseeing team development and spearheading strategic initiatives to enhance our market share.
The ideal candidate will be tasked with creating and executing comprehensive marketing strategies for Offchain Labs' main products, including Arbitrum Nitro, Arbitrum Orbit, and future feature updates. This will involve developing compelling messaging, running end-to-end campaigns, and driving tangible ROI. Your expertise will be vital in boosting our digital and physical presence, generating technical content across various channels, and coordinating our engagement in industry events.
Responsibilities:
- Create targeted campaigns to attract businesses and developers to leverage Offchain Labs products
- Develop compelling messaging and manage full campaigns for core products, crafting developer materials along the marketing cycle (awareness, education, engagement)
- Lead and guide a product marketing team, overseeing team development and strategic projects for increased market visibility
- Analyze and report on the performance of product marketing initiatives, utilizing insights to optimize strategies
- Collaborate with subject matter experts in developing digital content across diverse platforms (written, video, animation, etc.)
- Collaborate closely with marketing and product teams to comprehend the product roadmap and content requirements for releases
- Stay informed on industry trends, competitive landscape, and customer demands to ensure the relevance and efficiency of our product marketing strategies
Requirements:
- Experience: Over 7 years in a relevant Product Marketing Manager role or similar technical capacity
- Education: Bachelor's degree in marketing, business, computer science, or equivalent field experience
- Industry Experience: Proven track record of crafting go-to-market campaigns for production-grade software, particularly aimed at a developer audience
- Blockchain Enthusiast: A strong interest and/or knowledge in blockchain technology
- Communication Skills: Excellent written and verbal communication abilities
- Team Player: Adaptable, reliable, and excels in ambiguous scenarios
- Strong analytics for market research and performance analysis of campaigns
- Previous experience in developer marketing or technical product marketing
- Bonus: Experience in team management and mentoring, fostering collaborative environments for individual and team growth
Perks:
- Remote-first global workforce + upcoming NY office headquarters
- Annual company offsite (previously in the Bahamas!)
- Opportunity for subsidized attendance at industry conferences
- Health benefits including medical, dental & vision coverage (US + specific other countries)
- 401k retirement plan + company match (US only)
- Home office setup / ergonomic equipment matching program
Prospective Offchain Labs Candidates:
Kindly note the rise in fraudulent recruitment activities, particularly within the Web3 sphere. To verify an OCL employee's identity or the authenticity of an offer received, please send an email to jobs@offchainlabs.com.
At Offchain Labs, we strongly value diversity, equity, inclusion, and belonging as integral to our success. We are dedicated to creating a welcoming and supportive workspace for all employees, regardless of their background or identity. Our aim is to develop an environment where everyone feels appreciated and has an equal opportunity to prosper and excel. We encourage individuals from all backgrounds to apply and be part of our team.
Blockchain Advisor/Expert
Who You Are:
✅ You don’t just follow crypto—you live it. You trade, stake, farm, bridge, and interact with DeFi protocols daily. You understand MEV, smart contract risks, and the nuances of different L1/L2 ecosystems.
✅ You can break down complex concepts into digestible insights. Whether it’s explaining restaking, ZK-proofs, or the latest meme coin frenzy, you make it clear for both beginners and pros.
✅ You have a pulse on everything crypto. From regulatory shifts to the newest airdrops, you spot trends before they go mainstream.
✅ You can prove your expertise. We don’t work with self-proclaimed "gurus." Show us your wallets, on-chain activity, research threads, GitHub contributions, or anything that proves you’re a real player in this space.
What You’ll Do:
🔍 Guide our journalists on technical accuracy, emerging trends, and under-the-radar narratives.
📊 Provide real-time insights on market movements, protocol upgrades, and ecosystem shifts.
🎤 Occasionally contribute to podcasts, interviews, or deep-dive reports as a subject-matter expert.
🤝 Connect us with key players—founders, devs, and analysts—to elevate our reporting.
What We Offer:
🔥 A platform with massive reach—your insights will shape how millions perceive crypto.
🔥 Exclusive access to industry leaders, events, and alpha.
🔥 Flexible engagement—remote, part-time, or full-time. We’re open to discussion.
🔥 Payment in crypto (USDC, ETH, BTC) if you prefer.
Non-Negotiable Requirement:
🔒 You must provide verifiable proof of your crypto activity. No exceptions. We need real experts, not armchair analysts.
Ready to shape the future of crypto media? Send your application with proof of your expertise—let’s build the definitive voice of Web3 together. 🚀
Crypto-Native Social Media Manager
Is this you?
✅ You breathe crypto 24/7 – You track Vitalik’s tweets, spot CT alpha before it pumps, and know which anonymous dev just rugged a meme coin.
✅ You turn complexity into virality – You can explain re-staking with a meme or thread LSDfi in a way that gets retweeted by whales.
✅ You’re a strategist, not just a poster – You know how to grow audiences across Twitter, LinkedIn, Farcaster, and beyond—with tactics unique to Web3.
✅ You move at blockchain speed – When news breaks (hacks, forks, SEC lawsuits), you’re first to react with sharp takes, not corporate fluff.
What you’ll do:
🔥 Run our social empire – Twitter, LinkedIn, Telegram, Mirror—you’ll own the voice and vibe.
🔥 Launch viral campaigns – Think threadstorms, meme wars, and community challenges that boost engagement.
🔥 Partner with influencers – Coordinate takeovers, Spaces, and collabs with top names in DeFi.
🔥 Turn data into action – Track what content performs and double down on what works.
Hard requirements:
🔒 Proof of your crypto chops – Show us your anon Twitter with killer engagement, a newsletter, or a Discord you’ve grown.
🔒 No corporate-speak – We want someone who talks like a real human, not a PR bot.
Want to redefine crypto media? Send your resume + links to your best social work (or secret CT account). Payment in USDC/ETH possible.
KOL Business Development
Bitcastle is a cryptocurrency exchange platform which aims to create a new age of exchange where everyone can use it safely and have fun. As we expand and take a more active approach to global expansion, bitcastle is looking to hire a Full-Time KOL Business Development to join our team.
About the Role
We are seeking a dynamic and results-driven KOL Business Development to drive user growth and enhance brand visibility for our exchange. In this role, you will be responsible for identifying, engaging, and nurturing relationships with local KOLs, influencers, communities, projects, and strategic partners to promote our platform.
- Identify and build relationships with local KOLs/influencers/, communities, projects, and other potential partners to promote the exchange in order to achieve user growth.
- As a representative of the exchange, to build and maintain a good relationship with KOLs and marketing channels to achieve long-term partnership
- Be responsible for the execution and performance of KOL marketing strategy, track and analyze results, and make adjustments to ensure optimal performance and maximum ROI.
- Stay updated with local industry developments trends, conduct market research and create strategies when required
- Attend events as a representative of the exchange when required, expand network and bring in more leads for the exchange
Requirements:
- Experience as KOL BD in similar companies/markets
- Understanding of cryptocurrency
- Fluent in English
Preferred Qualification:
- Japanese speaking proficiency
Customer Service Executive
Bitcastle is a cryptocurrency exchange platform which aims to create a new age of exchange where everyone can use it safely and have fun. As we expand and take a more active approach to global expansion, bitcastle is looking to hire a Part- Time Customer Service Executive to join our team.
About the Role
The role involves managing customer inquiries, handling KYC processes, responding to emails, and monitoring messages across platforms like Telegram and WhatsApp. The ideal candidate will have strong Japanese language skills and a customer service background. This role will be fully remote.
- Handle customer inquiries via email and chat support.
- Support customer service operations, including but not limited to user research, handling enquiries, process withdrawal applications, KYC, bug reporting, Q&A updates.
- Understand policies and procedures of global customer support, adhere to policies set, ensuring high quality support is provided to users in accordance with global standard.
- Create and post customer announcements.
- Monitor and respond to messages on Telegram and WhatsApp.
- Provide support related to Forex and Crypto (knowledge is a plus).
- During business hours, in addition to responding to customer inquiries, you will be asked to perform tasks such as operating systems to create support-related systems or help center articles as needed, checking payment status, and editing or revising FAQ page
- Maintain a high level of professionalism in customer interactions.
- Adapt to potential future responsibilities, including chatbot and phone support.
- Work together and support other departments to report and solve any customer queries.
Requirements:
- Minimum 2 years of experience in customer service.
- Japanese language proficiency (mandatory).
- Ability to work 3 weekdays + 2 weekends (at least 1 weekend day required).
- Strong communication and interpersonal skills.
- Available to start immediately.
- Strong written and verbal communication skills.
- Must have a PC available for work (smartphones and iPads are not acceptable).
- Must have an internet environment with no data usage restrictions.
Preferred Qualification:
- Knowledge of Forex and Crypto.
Backend Blockchain Engineer
We are OpenCover — our mission is to keep the world safe onchain.
OpenCover.com operates at the intersection of blockchain security and insurance. Working in tandem with leading underwriters and industry players, we protect individuals, businesses and institutions against onchain risks such as malicious transactions, smart contract exploits and depegs.
Founded by Y Combinator alums, our team is backed by Tier 1 investors including Alliance, Coinbase Ventures (Base Ecosystem Fund), NFX, Village Global and Orange DAO, with support from the Lloyd’s of London Lab.
Want to join a high-performance, high-integrity team taking onchain safety to the next level? Read on.
🚀 Your role
You would join the founding team to develop core backend infrastructure working closely with our CTO. Your role would focus on expanding the first transaction security layer to insure billions in value. The work involves collaborating with top protocols and industry players to prevent incidents like the ByBit hack from ever happening again.
Areas you’ll work on
Soft auditing and semantic modelling of leading protocol designs and functions.
Designing, implementing and backtesting transaction validation checks.
Developing asset pricing and transaction risk models.
Tracking exposure and other insurance metrics in real-time.
Iterating and expanding our API based on customer feedback.
Staying up to date with industry trends including EIPs and security incidents.
You’d be a great fit if
You’re a generalist who quickly embraces new technologies and challenges with a passion for building products from the ground up in a collaborative, tight-knit team.
You go all out to use your knowledge and work well autonomously but know when to reach out for support.
You have 5+ years of full-time experience developing and shipping backend services with Node.js and TypeScript.
You’ve designed, implemented and/or audited smart contracts on EVM-compatible chains and have hands-on experience using DeFi.
You’re familiar with PostgreSQL, messaging brokers, AWS/GCP, Docker, Bash and Linux.
You are constantly improving your tech stack and use AI tools to accelerate development.
🙌 Our offer
Put your dent in the universe: build products for and with some of the largest players across Web3 and TradFi.
Directly impact company trajectory and play a key role in driving onchain adoption.
Work IRL with the team at Lloyd’s of London 1–5 days a week— your choice!
Flexible hours with 28 days of paid holiday plus company closure days.
Competitive compensation based on experience + 0.1–0.5% equity.
The equipment you need to do your best work + $1,000 for well-being and personal development each year.
Company-paid travel to events and conferences, if that’s your thing!
Ready to apply?
Head to opencover.com/apply/bbe and get shortlisted in 10 minutes or less.