Mathew Stevens

Full-Stack Solana Developer | Mobile Wallet Infrastructure | SDK Engineering
Bay Area, CA / Remote
github.com/mstevens843
linkedin.com/in/mathewbradleystevens
solpulse.trade | agentic-signer.com
x.com/mattinfra
Full-stack Solana developer building production trading infrastructure, Solana-native multi-wallet agent signing, mobile wallet integrations, and cross-platform SDKs. Built and launched SolPulse, a live Solana trading platform with 650+ users, 25 reviews, a 4.3-star rating, Apple App Store release, and Solana dApp Store listing. Built Agentic, the first Solana-native multi-wallet agent signer, with web, CLI, desktop, Apple App Store, Google Play, and Solana dApp Store releases, reaching 850+ users, 31 reviews, and a 4.2-star rating in under 1 month. Created Solana wallet SDKs across Unreal Engine, Cocos Creator, Capacitor, Godot, Unity, and iOS-native wallet flows, plus TxShield, an open pre-sign transaction-safety SDK, with upstream PRs merged into public Solana SDK repositories.

Experience

Independent Solana Developer / Open-Source SDK Builder

2025 - Present
  • Built and launched SolPulse, a production Solana trading platform across web, Android, and iOS, with App Store, Google Play, and Solana dApp Store releases, 650+ users, 25 reviews, and a 4.3-star rating.
  • Built and deployed Agentic, the first Solana-native multi-wallet agent signer, with web, CLI, desktop, Apple App Store, Google Play, and verified Solana dApp Store release surfaces, reaching 850+ users in under 1 month with 31 reviews and a 4.2-star rating.
  • Designed automated trading infrastructure with multi-mode scanning, DCA, limit orders, smart TP/SL exits, real-time filters, multi-DEX routing, priority fee controls, and execution logs.
  • Built wallet-safe signing flows using Solana Mobile Wallet Adapter, Wallet Standard, Seed Vault, and mobile deeplink patterns so private keys remain inside user wallets/devices.
  • Created Solana wallet SDKs and demos for Unreal Engine, Cocos Creator, Capacitor, Godot, Unity, and iOS-native wallet adapter flows.
  • Contributed upstream fixes to public Solana SDK repositories, including merged PRs in Godot Solana SDK and Solana Unity SDK.

Analytics Specialist, Socket Mobile, Inc.

Apr 2020 - Jul 2023
Fremont, CA
  • Delivered actionable web analytics reports, performance dashboards, and strategic recommendations for marketing and leadership decision-making.
  • Managed analytics workflows from data collection through QA, insight generation, reporting, and stakeholder presentation.
  • Partnered with leadership and marketing teams to solve operational bottlenecks, improve reporting accuracy, and support business scaling.
  • Planned and analyzed A/B and multivariate tests across channels and customer segments.

Selected Projects

SolPulse - Solana Trading Platform

React, Node, Solana
  • Built solo trading platform with live website, App Store, Google Play, and Solana dApp Store releases.
  • Implemented execution engine with Sniper, DCA, limit orders, smart exits, multi-DEX swap routing, priority fee controls, and real-time strategy logs.
  • Built intelligence and risk systems covering token scoring, dev identity checks, smart money tracking, rug scanning, whale scanning, max daily loss, and per-trade risk caps.

Agentic - Solana-Native Multi-Wallet Agent Signer

Web, CLI, Desktop, App Store
  • Built first Solana-native multi-wallet agent signer at agentic-signer.com with web, CLI, desktop, Apple App Store, Google Play, and Solana dApp Store releases, reaching 850+ users in under 1 month with 31 reviews and a 4.2-star rating.
  • Implemented shared WalletBackend architecture powering the chat/app flow, MCP tools, Vercel AI tools, Solana Agent Kit adapter, browser demo, CLI, and desktop shell.
  • Added tools for address lookup, message signing, transaction signing, sign-and-send, approval polling, and transaction simulation.

Cross-Engine Solana Mobile Wallet Adapter SDKs

Unreal, Cocos, Godot, Unity
  • Built Unreal Engine 5 Solana MWA plugin using Kotlin clientlib, C++ JNI bridge, Blueprint UFUNCTION surface, auth caching, SIWS, signing, and sign-and-send flows.
  • Built first Cocos Creator Solana MWA SDK from scratch with TypeScript API, native Android bridge, ECDH/AES-GCM wallet association, auth caching, and Token Duel demo game.
  • Completed Godot and Unity MWA work with multi-wallet examples, Seeker hardware verification, reconnect fixes, SIWS/auth token support, and merged upstream PRs.

iOS Solana Wallet Adapter

Swift, CryptoKit
  • Built iOS-native Solana wallet adapter package for Phantom, Solflare, and Backpack deeplink signing with encrypted URL/callback flows.
  • Implemented X25519 ephemeral keys, NaCl box encryption, Base58 encoding, callback decoding, Keychain-backed state, wallet picker UI, and SIWS-style semantics.

Technical Skills

Languages: TypeScript, JavaScript, Node.js, Swift, C#, C++, GDScript, Kotlin, SQL, Python
Frontend: React, Vite, Zustand, Tailwind, Radix UI, Capacitor, SwiftUI
Backend: Express, PostgreSQL, Prisma, Redis, WebSockets, SSE, REST APIs, auth systems
Solana: web3.js, Mobile Wallet Adapter, Wallet Standard, Seed Vault, Jupiter, Anchor, SPL tokens, transaction signing
Platforms: Android, iOS, Solana Seeker, Unity, Unreal Engine, Godot, Cocos Creator
Infra: Render, Helius, Chainstack, Birdeye, CI, observability, logging, rate limits

Launch Metrics

650+SolPulse users
4.3 / 25SolPulse rating/reviews
850+Agentic users
4.2 / 31Agentic rating/reviews
2dApp Store apps
4+Merged upstream PRs

Open-Source Proof

  • GitHub portfolio: github.com/mstevens843
  • Godot Solana SDK merged PRs: #449, #453, #454, plus related MWA SDK contributions.
  • Solana Unity SDK merged PR: #275, WebGL wallet auto-select UX improvement.
  • Public repos: TxShield, Unreal MWA, Cocos MWA, Agent Wallet Adapter, Capacitor MWA, iOS Wallet Adapter.

Education

San Francisco State University
B.S., Business Information Systems, 2018

Springboard
Software Engineering Certificate, 2025
Full-stack curriculum covering JavaScript, React, Node.js, Express, PostgreSQL, REST APIs, auth, and testing.

Focus Areas

Solana Mobile Wallet SDKs Trading Infra AI Agent Signing Game Engine Plugins Developer Tools
Best-fit roles: Solana infra, wallet integrations, SDK engineering, developer tooling, mobile dApps, and full-stack product engineering.