Full-Stack Engineer (DeFi / Trading) — Hybrid Dubai / EUOnHires • Budapest, HU

Full-Stack Engineer (DeFi / Trading) — Hybrid Dubai / EU

OnHires • Budapest, HU

3 days ago

Job type

Quick Apply

Job description

Small elite team. Deep-tech engineering. Permanent-hackathon energy.

About the Company

Our client is a Web3 engineering studio building next-generation decentralized trading infrastructure — from DEX aggregation and multi-chain indexers to execution logic, trading bots, and on-chain automation.

Already generating 7-figure ARR , the company is fully bootstrapped, profitable, and scaling fast.

The team works in high-ownership mode : fast iterations, zero bureaucracy, and engineers who build end-to-end.

This is a group of Swiss-knife problem solvers where every contribution is visible and meaningful.

Location & Work Mode

Hybrid

The team spends ~6–7 months per year in Dubai for focused in-person sprints.
Travel & accommodation during on-site periods are fully covered.
Remote from Europe works for exceptional engineers who can join us in Dubai a few months per year.

Compensation

Highly competitive package (crypto preferred)

Stock options / equity with planned reviews

Long-term partnership, not a short-term contract

What You’ll Work On

You’ll build and scale decentralized trading systems across several layers :

Backend / Infrastructure

Services & APIs for execution, routing, pricing, risk, and on-chain logic

High-throughput backend handling large, fast-growing datasets

Performance tuning, observability, and reliability work

Deployments, debugging, and pragmatic DevOps

On-chain / Smart Contracts

Solidity smart contracts

On-chain data pipelines : indexing, decoding, explorers, mempool insights

Integrations with DEXs and DeFi protocols

Trading Interfaces

Web trading UIs (React / Next.js)

Telegram trading bots

Rapid prototyping and full ownership of feature lifecycles

Who You Are

A Swiss-knife engineer who enjoys switching between backend, infra, smart contracts, and occasional frontend

Strong fundamentals : performance, scalability, data structures, security mindset

Autonomous, fast-moving, allergic to bureaucracy

Comfortable taking full ownership from spec → code → deploy → iterate

You prefer solving problems end-to-end instead of sitting in a narrow feature lane

Our client values depth over years of experience — strong-middle and senior engineers are equally welcome if the technical understanding is real.

Must-Have

Solid backend experience with TypeScript / Node.js, Python, Go, or Rust

Strong API & data modeling skills

Production debugging experience

Work in high-load / fast-paced environments (crypto, trading, startup)

PostgreSQL or similar (large datasets)

DevOps mindset : containers, CI / CD, monitoring

Fluent English (French is a major plus)

Nice to Have

DeFi / Web3 experience : Solidity, Ethers.js, DEXs, perps, launchpads

Trading systems (execution, pricing, routing, risk)

React / Next.js

AWS : ECS / EKS, S3, IAM

Grafana, Prometheus, Datadog, Sentry

Blockchain data pipelines

Security awareness : keys, permissions, anti-MEV

Why This Role

Impact : small senior team, direct collaboration with CEO & CTO

Upside : strong compensation + meaningful equity

Deep-Tech Work : decentralized trading, multi-chain data, real user scale

Lifestyle : mix of EU & Dubai — with travel and lodging fully covered during on-site months

Hiring Process

Pre-screen (30 min)

CTO profile review

Short intro with CEO (5–10 min)

Technical interview with CTO — live conversation around your real work (no mandatory take-home tests)

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Engineer • Budapest, HU

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