Junior Trader

Execute and manage trades across centralized and decentralized venues while monitoring positions and P&L in real time. Develop and improve desk tooling, including position trackers, reporting dashboards, and hedging workflows.

Sales Director

You will own the end-to-end sales process, including sourcing, qualifying, and closing new business while building the company's sales playbook. Additionally, you will represent the company externally and provide critical product feedback to shape the roadmap and partner strategy.

B2B Marketing Manager (Contract)

Develop and execute targeted B2B marketing programs, campaigns, and content to drive lead generation and brand awareness among institutional investors. Coordinate with internal teams and stakeholders to ensure marketing initiatives are aligned with business priorities and regulatory compliance.

Senior Software Engineer, Backend (Money Movement)

You will design, maintain, and evolve the backend services and APIs that connect Phantom Cash to various blockchain protocols. Additionally, you will collaborate across pods to ensure system reliability, scalability, and high-quality engineering execution.

ServiceNow Architect

The ServiceNow Architect will own the end-to-end development, maturity, and expansion of the ServiceNow platform across the enterprise. This includes designing solutions, managing integrations, maintaining data integrity, and improving service delivery through automation and process efficiency.

Partner Success Manager

The Partner Success Manager will act as the bridge between business development and product teams to drive on-chain usage and successful partner integrations. You will manage a book of enterprise accounts, reactivate dormant partners, and shape the go-to-market strategy for the Solana Developer Platform.

Frontend Engineer

Build and maintain frontend applications for financial products using Next.js and TypeScript. Collaborate with protocol engineers and designers to create intuitive, secure, and performant user interfaces for DeFi primitives.

Senior Security Engineer

The Senior Security Engineer will own operational and technical security, including threat modeling, code reviews, and building custom testing frameworks. They will also manage bug bounty operations, AI security research, and software supply chain monitoring.

Senior Software Engineer - JTX

Design and build core systems for a next-generation trading app from scratch, including low-latency services and order routing. Own critical infrastructure and implement security measures across the transaction and block building pipeline.

Senior Frontend Engineer - JTX

You will own the frontend surface of the JTX trading platform across web and mobile, including order entry, market data, and wallet flows. You will also make architectural decisions to ensure the platform scales while maintaining high performance and data consistency.

Senior Product Manager, Trading

You will own the strategy and roadmap for trading APIs while working closely with the CEO and engineering teams to drive product initiatives. You are expected to analyze on-chain data and customer feedback to validate product decisions and ensure successful launches.

Product Designer

Senior Copywriter

Lead the creative development of impactful copy and campaigns across product and brand marketing channels. Collaborate with cross-functional teams to maintain brand voice and optimize messaging based on data-driven insights.

Staff Software Engineer, Backend

You will own the technical direction, architecture, and performance of core backend systems like data streaming and historical APIs. You will also partner with leadership to define long-term technical strategy while mentoring senior and mid-level engineers.

Senior Software Engineer, Backend

You will design, build, and optimize performance-sensitive backend systems that serve as the foundational infrastructure for the Solana ecosystem. Additionally, you will collaborate with leadership on architectural decisions and mentor junior engineers to maintain high operational standards.

Director of SEC Reporting and Technical Accounting

The Director leads SEC external reporting, complex accounting research, and policy development while ensuring compliance with US GAAP and SEC standards. They partner with cross-functional teams to support quarterly filings, earnings releases, and technical accounting for complex transactions like M&A.

Lead Product Designer, Growth

You will own the end-to-end growth surfaces including onboarding, rewards, and lifecycle messaging to drive player retention and behavior. You will also mentor designers, elevate the design system, and partner with cross-functional teams to influence product strategy.

Staff DevOps Engineer (Platform)

The Staff DevOps Engineer will own and evolve CI/CD infrastructure, focusing on reliability, scalability, and developer velocity. They will also automate mobile release workflows and improve automated end-to-end testing for both mobile and web platforms.

Program Finance Analyst

The Program Finance Analyst manages the Internal Research & Development (IR&D) program, overseeing selection processes and financial performance metrics. They are responsible for preparing financial forecasts, analyzing business performance, and reporting earned value data to leadership teams.

Sr. Program Finance Analyst

The analyst supports program teams by providing advanced financial analysis, reporting, and forecasting to ensure effective cost management. They also monitor financial performance, analyze variances, and ensure compliance with contractual and corporate requirements.

Senior Software Engineer

You will design and build scalable backend services and core platform components like payment orchestration and ledgering. Additionally, you will influence system architecture and mentor teammates to maintain high engineering standards.

Senior Accountant, Financial Operations

The Senior Accountant will manage end-to-end financial operations, including Procure-to-Pay and Order-to-Cash processes, while building and automating the finance tech stack. They are responsible for maintaining accurate general ledgers, performing reconciliations, and ensuring compliance with GAAP standards across multiple entities.

Principal Security Engineer (Solana)

You will lead Solana workstreams from architecture through deployment and post-launch hardening while setting the technical direction for the SVM practice. Additionally, you will represent OpenZeppelin in the ecosystem, contribute to open-source libraries, and mentor the team on Solana-specific security standards.

(Senior) Systems Engineer (Solana) - Remote (m/f/d)

The Systems Engineer will operate and maintain Solana validator nodes to ensure high stability, security, and performance. Responsibilities include automating node deployment, monitoring system health, and collaborating with internal teams to optimize infrastructure.

Backend Engineer, Solving

You will build and own software that generates quotes, routes trades across on-chain and off-chain venues, and fills user requests. Additionally, you will extend support to new chain VMs by writing and auditing on-chain contracts while ensuring protocol reliability.

Project Development Lead - NI & ROI

Infrastructure Development Lead - Europe

Product Marketing Manager

You will define and execute go-to-market strategies for new products, managing everything from positioning and messaging to launch execution. Additionally, you will oversee content creation, community engagement, and user growth metrics to ensure successful product adoption.

IP Patent Attorney / Patent Attorney – Blockchain & Advanced Technology (Equity Cofounder)

Develop and execute a comprehensive IP strategy while leading invention harvesting and patent drafting for blockchain, AI, and cryptographic technologies. You will manage the patent portfolio, advise on licensing and open-source compliance, and support commercial and funding efforts.

IP Patent Paralegal – Blockchain & Advanced Technology (Equity Cofounder)

The IP Patent Paralegal will manage the company's patent portfolio, including invention harvesting, docketing, and coordinating with patent counsel. They will also translate complex engineering concepts into clear documentation to support provisional and non-provisional patent filings.