growthroles

Sei Labs - Business Development and Ecosystem

deCircle Open · verified Sep 24, 2026
On-site New York Full-time Mid-level Business Development

At a glance

Mid-level Business Development role at deCircle. New York · full-time.

Pay not stated

RoleBusiness Development
SeniorityMid-level
LocationNew York
WorkplaceOn-site
EmploymentFull-time
PostedJan 29, 2026 · 7mo ago
Role brief

Growth Roles summary, based on the employer's posting.

What you'll do

  • Find and assess founders, partnership prospects, and other opportunities for ecosystem growth
  • Keep project opportunities organized, ranked, and moving through an active pipeline
  • Work out commercial terms and finalize agreements with partners and collaborators
  • Track industry developments and turn relevant signals into new leads

What you bring

  • Hands-on familiarity with Web3 technologies and ecosystems
  • Background in Web3-focused venture capital or business development at a top L1 or L2
  • A track record of building relationships and putting them to work
  • Strong written and spoken communication, with clear independent judgment
  • Deep Web3 networking across X, TG, Discord, and industry events

Who this fits

You’ll suit a mid-level ecosystem role if you can combine Web3 knowledge with relationship-led business development. The work calls for self-directed decisions, clear articulation, guerrilla sales approaches, and active participation in Web3 culture. This role is onsite in New York.

From the employer

About Us

Sei is the first parallelized layer 1 blockchain. By re-writing the most widely adopted execution environment in Web3, Sei is setting a new standard in blockchain performance and scalability. Apps on Sei benefit from both the performance of web2 and the decentralization and sovereignty of web3

About the Role

At the Sei Development Foundation, we’re always on the lookout for exceptional talent to help us grow the Sei ecosystem. If you're passionate about web3, thrive in fast-moving environments, and know how to turn relationships into real impact, we want to hear from you. This is a general business development and ecosystem application, and will be reviewed on a rolling basis.

Typical Responsibilities

  • Identifying and evaluating founders, new business opportunities, and partnerships

  • Managing, maintaining and prioritizing a pipeline of projects

  • Negotiating deal terms and agreements with partners and collaborators

  • Maintain a constant grasp on industry trends, which funnels into lead generation

What we usually look for

  • Experience in Web3 technologies and ecosystems

  • Prior VC experience with a web3 focus,

  • Experience as a BD team member at a top L1/L2

  • Demonstrable experience in building and leveraging relationships

  • Proficiency in guerrilla sales tactics and web3 culture

  • Strong written and verbal communication skills

  • Ability to make autonomous decisions and articulate ideas clearly

  • Strong networking skills within the web3 community (X, TG, Discord, etc.), events

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