Full Stack Developer

Wing Assistant; United States; On-site; USD 150,000 - 230,000; Full time

Benefits offered by this job

Health Insurance (HMO)

Performance Incentives

Job Security and Stability

Paid Training

Inclusive Culture

Upskilling Opportunities

100% Work-From-Home

Supportive Team

Career Growth

Fun Work Environment

Holiday & Overtime Pay

Job summary

United States Digital Space LLC is seeking a high-level Full Stack Developer with deep Solana expertise to build and secure wallet and payment systems for a global audience. You will design APIs, integrate on/off ramp platforms, and implement on-chain identity features.

The role requires self-direction, senior-level architecture skills, and strong English communication. Remote work with a focus on scalable, secure crypto infrastructure and cross-chain integrations.

Qualifications

• 5+ years of professional software development experience with crypto wallets and payment systems.
• Solana development expertise required.
• Experience with blockchain nodes/servers (Bitcoin, Polygon) and on-chain identity stacks.
• Familiarity with Transak, MoonPay, ChangeNOW for on/off ramp functionality.
• Knowledge of brokerage APIs (Alpaca, Interactive Brokers) and DApp browser frameworks.
• Security, key management, and staking/lending protocol SDKs (e.g., Hyperliquid).
• Excellent English communication skills.
• Self-directed, senior-level architect capable of implementing solutions without step-by-step guidance.

Responsibilities

• Stabilize and extend wallet MVP.
• Fix TestFlight wallet issues.
• Verify Bitcoin/Polygon nodes/servers.
• Implement robust send/receive and account recovery flows.
• Design and implement handle payment rail.
• Build on-chain identity/handle registry and resolution service.
• Architect cross-app routing logic for peer-to-peer payments.
• Plan APIs, interfaces, and data models.
• Integrations and advanced features.
• Integrate Transak, MoonPay, ChangeNOW for buy/swap/sell functionality.
• Add DApp browser and staking/lending hooks (e.g., Hyperliquid).
• Explore brokerage APIs for asset transfer concepts.

Skills

Solana development

Blockchain nodes

Security & key management

English communication

Senior-level architect

Tools

Hyperliquid SDKs

DApp browser frameworks

Job description

Headquarters: Manila, Philippines

Please whitelist the domains " lever.co " and " hire.lever.co " with your email provider to make sure you get our emails.Full Stack DeveloperWing is on the exciting mission of redefining the future of work for companies worldwide! We are looking to be the one-stop shop for companies that are looking to build world-class teams & place their operations on autopilot.

Key Responsibilities:

• Stabilize and extend wallet MVP
• Fix TestFlight wallet issues
• Verify Bitcoin/Polygon nodes/servers
• Implement robust send/receive and account recovery flows
• Design & implement handle payment rail
• Build on-chain identity/handle registry and resolution service
• Architect cross-app routing logic for peer-to-peer payments
• Plan APIs, interfaces, and data models
• Integrations & advanced features
• Integrate Transak, MoonPay, ChangeNOW for buy/swap/sell functionality
• Add DApp browser and staking/lending hooks (e.g., Hyperliquid)
• Explore brokerage APIs (Alpaca/Interactive Brokers) for asset transfer concepts

Qualifications:

• 5+ years of professional software development experience, with expertise in crypto wallets and payment systems
• Deep expertise in Solana development (must have)
• Experience with blockchain nodes/servers (Bitcoin, Polygon) and smart-contract/on-chain identity stacks
• Familiarity with payment/on-ramp/swap platforms (Transak, MoonPay, ChangeNOW)
• Knowledge of brokerage APIs (Alpaca, Interactive Brokers) and DApp browser frameworks
• Strong background in security, key management, and staking/lending protocol SDKs (e.g., Hyperliquid)
• Excellent English communication skills
• Self-directed, senior-level developer capable of architecting and implementing solutions without step-by-step guidance

Technical Requirements:

• USB Headset with Noise Cancellation feature
• Working Webcam
• Computer with at least 1.8 GHz processor and at least 4GB RAM
• Main Internet Service Speed: at least 25 Mbps cable connection
• Backup Internet Service Speed: at least 10 Mbps

Benefits:

• Health Insurance (HMO)
• Performance Incentives
• Job Security and Stability
• Paid Training
• Inclusive Culture
• Upskilling Opportunities
• 100% Work-From-Home
• Exceptionally Supportive Team
• Opportunities for Career Growth
• Fun Work Environment
• Holiday & Overtime Pay

Schedule:

TBD Location: This is a remote job

Please note:

• Only qualified candidates will be invited to take the assessment & scheduled for an interview.
• We have other vacancies that might interest your friends & colleagues. They can check us out at our Jobs Website .
• You may also refer your friends using our Affiliate Marketing Program and earn up to $30 if your referral is hired.

₱107,500 - ₱118,000 a month

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.