Posted 1 Hours Ago Job ID: 2117055 15 quotes received

Senior Full Stack Engineer Web3/Trading

Fixed Price$500-$1k
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  Send before: April 24, 2026

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Programming & Development Programming & Software

 Type: Full-Time / Contract (High Impact, Long-Term)

Overview

We’re building a next-generation, high-performance trading platform that combines the speed and UX of centralized exchanges with the transparency and composability of decentralized infrastructure.

We are looking for a senior full stack engineer to help take the platform from advanced prototype to production-ready global release. This role spans frontend, backend, blockchain integration, and infrastructure.

This is not a typical CRUD app. You will be working on:

  • Real-time trading systems

  • Financial infrastructure

  • Cross-chain execution

  • AI-integrated systems

ResponsibilitiesCore Engineering

  • Own end-to-end development across frontend, backend, and blockchain layers

  • Build and optimize a real-time trading interface (pro terminal)

  • Integrate wallet connection, signing, and transaction flows

  • Implement order routing, execution, and position tracking systems

  • Work with smart contracts (AMM, perps, margin, staking)

Frontend (Next.js / React)

  • Build a high-performance trading UI (charts, orderbooks, positions)

  • Implement Apple-level polished UX

  • Optimize rendering for real-time updates (WebSockets, streaming data)

  • Ensure responsive design across desktop and mobile

Backend / APIs

  • Design and scale low-latency APIs

  • Implement services for:

    • Order management

    • Risk engine / liquidation logic

    • Market data indexing

  • Build event-driven systems (queues, workers, indexers)

Blockchain / Web3

  • Integrate EVM-based networks (RPC, signing, transactions)

  • Work with:

    • Smart contracts (trading, liquidity, governance)

    • Wallet providers (WalletConnect, injected wallets)

  • Handle cross-chain interactions and bridging logic

Desktop & Mobile

  • Support Electron / Tauri desktop builds

  • Contribute to mobile app integration (React Native / Expo)

Nice to Have (Highly Valuable)

  • Experience building trading platforms, exchanges, or DeFi protocols

  • Knowledge of:

    • Perpetual futures engines

    • Matching engines

    • Liquidation systems

  • Familiarity with MEV, oracles, and on-chain risk systems

  • Experience with AI agents or automation systems

  • Background in low-latency systems or financial infrastructure

Tech Stack

  • Frontend: Next.js, React, TypeScript, Tailwind

  • Backend: Node.js, TypeScript, WebSockets, Redis

  • Blockchain: EVM, Solidity, RPC integrations

  • Mobile: React Native / Expo

  • Desktop: Electron / Tauri

  • Infra: Docker, CI/CD, cloud (AWS/GCP)

What You’ll Work On Immediately

  • Finalizing trading UI + execution flows

  • Wiring real backend services to frontend

  • Integrating wallet + signing flows

  • Implementing perps/margin system hooks

  • Preparing platform for production launch

What We’re Looking For

  • 5+ years full stack experience

  • Strong product intuition and ownership mindset

  • Ability to work across systems (UI → backend → chain)

  • Comfortable in fast-moving, high-ambiguity environments

  • Obsessed with performance, UX, and reliability

Why Join

  • Work on cutting-edge financial infrastructure

  • Build a system used by global traders and developers

  • High ownership and impact from day one

  • Opportunity to shape a category-defining platform

How to Apply

Send:

  • GitHub / portfolio

  • Relevant projects (especially trading / Web3)

  • Brief note on why you’re interested 




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Alex K Croatia