Senior Software Engineer, Frontend

Coinscapture; Northern (KY); Hybrid; USD 180,000 - 220,000; Full time

Benefits offered by this job

Equity

Insurance (medical/dental/vision)

Remote setup stipend

Flexible hours

Unlimited vacation

401(k) retirement plan

Wellness benefit

Daily lunch benefit

Job summary

Phantom Technologies, Inc. in the United States seeks a Senior Software Engineer, Frontend, to own features on our web platforms—Phantom Extension and our website. You will build with React/TypeScript and engage directly with users and developers building on Phantom, guiding product direction and quality.

You’ll lead initiatives to support more blockchains and launch new products, while fostering a culture of excellence and strong collaboration across the team in a fully remote environment.

Qualifications

• Bachelor's degree in Computer Science or related technical field or equivalent practical experience.
• 5+ years of full-time software engineering experience.
• Proficiency with React/TypeScript and React-Query.
• Experience with Solana web3.js or ethers.js.
• English language proficiency.

Responsibilities

• Feature development on Phantom Extension and Phantom website.
• Lead initiatives to add support for additional blockchains and new products.
• Interface with end-users and developers to collect feedback.
• Collaborate with the team to raise the bar with each new hire.

Skills

React

TypeScript

React-Query

Open Web3

English proficiency

Education

Bachelor's degree in Computer Science or related field

Tools

Solana web3.js

ethers.js

Job description

# Senior Software Engineer, FrontendPhantomRemoteUnited StatesSoftware EngineeringPosted Sep 4, 2026Phantom is on a mission to connect the world to the freedom of open markets. Tens of millions of people all over the world use Phantom to access global markets that never close, including perpetuals, prediction markets, tokenized assets, stablecoins and memes. Phantom users are able to discover the markets that matter and the cultural moments that shape them, building conviction through real-time data and the verified performance of top traders. With self-custody and access to open networks at its core, Phantom lets them control their financial moves in the same app they use to safely store or spend money worldwide. Phantom has reached #1 in Google Play's finance category and consistently ranks in the top 50 apps across all categories. Phantom partners with many of the most trusted and influential names in finance like Hyperliquid, Stripe, Kalshi and Visa, to make the most popular and innovative financial products accessible to everyone. We are around 180 people, fully remote, backed by a $150M Series C investment from a16z, Sequoia Capital and Paradigm. Responsibilities • Feature development: You will be owning features on our web platforms – currently the Phantom Extension and our website. • New initiatives and products: You will be leading initiatives to add support for other blockchains to Phantom, and to launch new complementary products or infrastructure. • Interfacing with users: You will be interfacing directly with end-users and developers building on Phantom – supporting them and collecting feedback to inform the direction of the product. • Team building: You will be working with the team to create and foster a culture of raising the bar with each new hire. Qualifications • Bachelors degree in Computer Science or related technical field or equivalent practical experience • 5+ years full-time software engineering experience with some of the following technologies: • React / Typescript / React-Query • Solana web3.js / ethers.js • Demonstrated interest in open and community-driven platforms • English language proficiency • Nice-To-Have: experience in a blockchain based project Benefits • Competitive salary and equity • Comprehensive insurance (medical/dental/vision) — 100% covered • Stipend for your ideal remote / WFH set-up: laptop, headphones, and any other work gear you may need • Flexible hours and a long-standing, supportive remote environment • Unlimited vacation: Take time when you need it (and we really mean it!) • 401(k) retirement plan • Wellness benefit • Daily lunch benefit The target base salary for this role will range between $180,000 to $220,000 with the addition of equity and benefits. This is determined by a few factors including your skillset, prior relevant experience, quality of interviews and market factors (such as location) at the point in time of offer. #LI-DNP We strongly encourage candidates of all backgrounds to apply. We believe that our work is stronger with a variety of perspectives, and we’re eager to further diversify our company. If you have a background that you feel would make an impact at Phantom, please consider applying. We’re committed to building an inclusive, supportive place for you to do the best work of your career. By submitting your resume and application materials, you acknowledge and agree that Phantom Technologies, Inc. (\"Phantom\") collects and processes your personal information (including application materials, interview records, and related data) to evaluate your candidacy. Phantom may use AI-powered tools and third-party service providers for transcription, note-taking, scheduling, and other administrative tasks. Phantom does not sell your information and your materials will be handled securely and in accordance with applicable data protection laws.