Posted 4 months ago

Full Stack Developer

ManilaRemoteFull-time

AI Summary

Senior full‑stack developer focused on crypto wallets and payments, responsible for designing, implementing and improving wallet and on‑chain identity features, cross‑app routing for P2P payments, and integration with on/off‑ramp services.

About this role

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Full Stack Developer

Wing 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.

Skills

AlpacaAPI DesignBitcoinBlockchain NodesChangeNOWDApp Browser FrameworksData ModelingHyperliquidInteractive BrokersKey ManagementMoonPayNode/serversOn‑chain IdentityPeer‑to‑peer Payment ArchitecturesPolygonSDKsSecurityServer ArchitectureSmart ContractsSolanaStaking/lending ProtocolsTestflight IssuesTransakWallet And Payment SystemsWallet InfrastructureWallet SecurityWeb3

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