Full-Stack Engineer

1 day ago

Budapest, Budapest, Czech Republic OnHires Full time 80,000 - 160,000 per year

About the company

Our client is a Web3 development studio focused on decentralized trading products and tools for the DeFi community.

Already generating 7-figure ARR, the company continues to grow rapidly — expanding into new features and market opportunities.

The team works with fast iteration, hackathon-level energy, and full ownership of the products they build — a small, high-impact group where every engineer has a visible impact.

Location & work mode

Hybrid: we spend ~6–7 months per year in Dubai and the rest in Europe.
Travel and lodging during on-site periods are covered by the company.
Remote from Europe is possible for exceptional engineers able to join us in Dubai for a few months per year.

Compensation

Competitive package (crypto preferred) + stock options / equity with planned reviews.
We focus on long-term partnerships, not short-term gigs.

What you'll do

Build and scale decentralized trading products — from web trading interfaces to Telegram trading bots and backend systems.

Design and implement backend services & APIs for on-chain execution, routing, pricing, and risk logic.

Work with smart contracts (Solidity) and on-chain data (indexing, explorers, mempool/tx decoding).

Own the entire lifecycle: specification → implementation → deployment → monitoring → iteration.

Touch the frontend ) enough to ship end-to-end.

Handle pragmatic infrastructure work: deployments, debugging, performance tuning, reliability.

Contribute to product thinking — shaping features and prioritizing impact.

You are

A Swiss-knife engineer — comfortable switching between backend, frontend, infra, and on-chain work.

Deep on fundamentals: data structures, scalability, performance, reliability, security mindset.

Autonomous and fast-moving — no need for micro-management.

Startup-ready: prefer shipping over bureaucracy, communicate clearly, and take ownership.

Our client values exceptional ability over years of experience - they welcome both Strong-Middle and Senior engineers, as long as the technical depth is genuine.

Must-have

Solid backend experience with , Python, Go, or Rust.

Strong API design, data modeling, testing, and production debugging skills.

Experience delivering in high-load or fast-paced environments (crypto, trading, or startups).

Confident with databases (PostgreSQL or similar) handling large, fast-growing datasets.

Hands-on DevOps mindset - containers, CI/CD, observability, deployments.

Fluent English; French is a major plus.

Nice to have

DeFi/Web3 background - Solidity, , DEXs, perps, launchpads, or on-chain analytics.

Experience in trading systems (pricing, execution, routing, risk).

React / front-end experience.

Knowledge of AWS (ECS/EKS, S3, IAM), Grafana / Prometheus / Datadog / Sentry.

Work with data pipelines for large blockchain datasets.

Security awareness - keys, permissions, anti-MEV, safe deployments.

Why this role

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

Strong upside: competitive pay + equity.

Innovation space: decentralized trading, multi-chain indexing, real user scale.

Lifestyle: mix of Europe & Dubai, travel and lodging fully covered during on-site months.

Hiring process

  1. Pre-screen call (30 min) with recruiter - discussing your background, motivation, and technical breadth.

  2. Profile review by CTO.

  3. Intro call with CEO (5–10 min).

  4. Technical interview with CTO - live discussion based on your real work (no take-home tests unless you prefer one).

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