Junior Developer Support Specialist - Contractor jobs in United States
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Phantom · 1 month ago

Junior Developer Support Specialist - Contractor

positionUnited States
timeContract
remoteRemote
seniorityNew Grad, Entry Level

Phantom is revolutionizing the way millions of people interact with the crypto ecosystem by offering a self-custodial wallet for managing accounts and tokens across various platforms. The Junior Developer Support Specialist will act as the first point of contact for developers integrating Phantom's SDKs, providing support, diagnosing issues, and maintaining documentation to enhance user experience.

BitcoinCryptocurrencyDecentralized Finance (DeFi)FinanceFinancial ServicesFinTechNon-Fungible Token (NFT)
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Growth Opportunities
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H1B Sponsor Likelynote

Responsibilities

Frontline Developer Support: Handle inbound questions via chat and email for SDKs, deep links, provider APIs, and integration setup
Triage and Escalation: Capture and create crisp internal notes with minimal repro steps, logs, screenshots, and impact for users and partner teams
Resolution: Diagnose root causes and identify solutions so developers building with Phantom can focus on serving their users with minimal delay
Documentation: Create and maintain internal and external developer documentation that enables self-service for your team, external developers, and for AI training
Tooling mastery: Work efficiently in Cursor/CoPilot, GitHub, browser devtools, and block explorers to reduce time to resolution while maintaining quality
Communication: Respond to developers with professionalism and warmth; be approachable, clear, and supportive in every interaction
Risk and abuse awareness: Recognize suspicious patterns in API usage or on‑chain activity and escalate when appropriate

Qualification

JS/TS developmentWeb3 fundamentalsFrontend debuggingAI tooling literacyCommunication skills

Required

JS/TS across platforms: web and mobile experience (React Native, iOS, or Android)
Web3 fundamentals: wallets, signing, RPCs, transactions, explorers, Solana programming model
Frontend debugging: browser devtools and network traces
AI tooling literacy: experience with LLMs for support, prompt engineering, and RAG. Comfortable using Cursor and Copilot

Benefits

Competitive salary and equity
You will be eligible to participate in the Company's performance bonus program
Comprehensive insurance (medical/dental/vision) — 100% covered
Stipend for your ideal remote set-up
Flexible hours and a supportive remote environment
Unlimited vacation: Take time when you need it (and we really mean it!)
401(k) retirement plan
Monthly wellness benefit
Weekly meal benefit
Global off-sites

Company

Phantom

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Phantom is a crypto wallet that facilitates the buying, trading, and storing of cryptocurrencies, including NFTs and tokens.
dateFounded in 2021
location
San Francisco, California, USA
people-size51-200 employees
web-link
https://phantom.com

H1B Sponsorship

Phantom has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (4)
2024 (3)
2023 (4)
2022 (3)

Funding

Current Stage
Growth Stage
Total Funding
$268M
Key Investors
ParadigmAndreessen Horowitz
2025-01-16Series C· $150M
2022-01-31Series B· $109M
2021-07-14Series A· $9M

Leadership Team

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Chris Kalani
CPO & Co-Founder
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Francesco Agosti
CTO & Co-founder
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Recent News

Decrypt
Morning Minute: The SEC & OCC Usher In Crypto Era
2025-12-15
Decrypt
Phantom Crypto Wallet Adds Kalshi Prediction Markets for Over 20 Million Users
2025-12-13
Business Wire
Phantom and Kalshi Bring Prediction Markets to the World’s Leading Crypto Wallet
2025-12-12
Company data provided by crunchbase