Marketing Specialist
At a glance
Mid-level General Marketing role at crossbar. Korea (South) · contract.
Pay not stated Marketing Specialist salary
growthroles summary, based on the employer's posting.
What you'll do
- Keep X, Discord, Telegram and LinkedIn active with scheduled posts, community responses and channel results tracking
- Develop newsletters, media releases, launch messages, landing pages, one-pagers and email campaigns
- Get booth materials ready and arrange side events, then capture content and cover the conference live on social
- Take part in sales and go-to-market discussions, then put agreed plans into action
- Brief designers and video contributors on product imagery, demos and unboxing pieces
What you bring
- You have one to four years in marketing, content or community work, preferably connected to crypto or Web3
- You understand how self-custody works, including wallets, seed phrases and hardware wallets
- You write clearly in English and can explain security concepts accurately to a general audience
- You have run branded social accounts and produced newsletters or PR on a recurring schedule
Who this fits
This contractor position suits someone who works independently in a remote, asynchronous team. The schedule is twenty hours weekly, with some overlap with US Pacific time. The role includes a Mumbai conference in November 2026, and travel expenses are covered.
From the employer
About the role
CrossBar, Inc. (Santa Clara, CA) advances the frontier of memory and silicon systems, building architectures
that combine performance, security, and verifiability at the hardware level. Built on its ReRAM technology and
DARIC secure processing unit, CrossBar is developing its own MPC hardware wallet, with multi-party key
management running entirely on a secure element and a fully open-source architecture. Ahead of the product
launch, we are seeking a part-time Marketing Specialist (20 hours/week) to support marketing execution across social media,
content and PR, events, and go-to-market planning, working remotely as part of the marketing team and
reporting to the marketing lead.
Responsibilities
• Manage company social media and community channels (X, Discord, Telegram, LinkedIn): content calendar,
daily posting, community engagement, and performance tracking
• Write and produce marketing materials, including newsletters, press releases, launch announcements,
landing-page copy, one-pagers, and email campaigns
• Support event marketing, including Devcon 8 (Mumbai, November 2026): booth and collateral preparation,
side-event coordination, on-site content, and live social coverage
• Participate in sales and go-to-market planning discussions and execute agreed plans
• Coordinate with designers and video contributors on product visuals, demos, and unboxing content
Requirements
• 1–4 years of experience in marketing, content or community roles, ideally in crypto/Web3
• Working knowledge of self-custody: wallets, seed phrases, and hardware wallets
• Strong written English, with the ability to explain technical security concepts clearly and accurately to a
general audience
• Experience managing brand social media accounts and delivering newsletters or PR on a regular schedule
• Self-directed and organized; comfortable working on a remote, asynchronous team
• Availability of 20 hours per week on a regular schedule, with some overlap with US Pacific hours
Preferred qualifications
• Hands-on familiarity with crypto wallets, including hardware wallets; knowledge of MPC is a plus
• Experience marketing consumer electronics or security products
• Prior experience at Web3 conferences or community events
• Ability to travel to Devcon 8 in Mumbai in November 2026 (travel expenses covered)
How to apply
Please submit your CV or LinkedIn profile.
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