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Blockchain EngineerBlockchain Engineer
Flow Traders
Amsterdam, Netherlands (city)
Solidity
Redis
GCP
Kafka
AWS
API
Rust
Smart contract
Python
Back-end
Docker
Kubernetes
Cloud
Blockchain
Azure
grpc
Search
Web3
Java
Posted 2 days ago
Senior Software Engineer - BackendSenior Software Engineer - Backend
dYdX
New York, United States (region)
$175k - $270k
Architect
Front-end
Smart contract
Blockchain
Python
Back-end
Docker
React
Typescript
SQL
Developer
Full-stack
Javascript
Redis
Crypto
Node.js
Kafka
API
CSS
Open Source
Posted 3 days ago
Backend EngineerBackend Engineer
Mesh
New York City, United States (city)
Smart contract
Network
C
API
GCP
Cloud
Blockchain
Java
AWS
DevOps
Crypto
Back-end
Azure
Posted 4 days ago
Senior Software Engineer - Product Enablement (Backend focused)Senior Software Engineer - Product Enablement (Backend focused)
DFINITY
Zürich, Switzerland (city)
Smart contract
Typescript
Vue.js
Network
Software engineer
React
AI
Front-end
Open Source
Crypto
Blockchain
Rust
Back-end
Javascript
Web3
Developer
Posted 6 days ago
Senior Web3 EngineerSenior Web3 Engineer
Blockchain.com
United Kingdom, Northern Europe (country)
Full-stack
Javascript
Front-end
EVM
Smart contract
Cloud
Blockchain
Crypto
Web3
Solidity
Typescript
Rust
Solana
AI
React
Back-end
Posted 6 days ago
Application Security Engineer (Web3)Application Security Engineer (Web3)
Vac
Central Asia, Asia (sub-continent)
C
Open Source
Smart contract
Web3
Blockchain
Crypto
Rust
Security engineer
Posted 18 days ago
Senior Software Engineer - Caffeine (Frontend)Senior Software Engineer - Caffeine (Frontend)
DFINITY
San Francisco, Argentina (city)
$175k - $235k
Full-stack
Software engineer
React
Back-end
Front-end
Node.js
Cloud
AI
Typescript
Javascript
Crypto
No Code
Web3
Open Source
LLM
Rust
Developer
Blockchain
Network
Smart contract
Posted 20 days ago
Published: 2025-07-19  •  Amsterdam, Netherlands (city)
AWS
Docker
API
Kubernetes
Search
Redis
GCP
Azure
Java
Python
Back-end
Cloud
Rust
Solidity
Kafka
grpc
Web3
Blockchain
Smart contract
Hybrid
Full-time

Flow Traders is looking for an experienced Back-End Blockchain Engineer to join our growing Digital Assets Technology team in Amsterdam. This is a unique opportunity to work at a leading proprietary trading firm with an entrepreneurial and innovative culture. We value sharp, creative minds and challenge our engineers to leverage their full potential in a high-performance environment. This will be a hybrid role based in Amsterdam.

  What you will do
  • Work closely with trading desks to develop scalable and low-latency solutions for DEX Trading 
  • Contribute to the architecture and development of high-performance, real-time trading systems for DeFi markets
  • Encourage the team to grow our Blockchain understanding bringing in protocol-specific knowledge and best practices
  • Develop and maintain on-chain and off-chain components, including smart contracts, indexers, and market-making bots
  • Implement robust APIs and integrate with DeFi protocols, liquidity pools, and decentralized exchanges (DEXs)
  • Design and optimize event-driven microservices for real-time blockchain transaction processing
  • Ensure high availability, reliability, and security of blockchain-based back-end systems
  • Collaborate with Quantitative Researchers, Traders, and Software Engineers to identify and implement automation and acceleration strategies for the Digital Assets desk
  • Follow the best software engineering practices which are supported by the best working environment, latest technology and continuous support from all parts of Flow Traders organization

 

What you need to succeed

  • BSc, MSc, or PhD in Computer Science, Software Engineering, or related fields
  • 5+ years of commercial experience in software development
  • Strong expertise in one or more back-end programming languages: Python, Rust, Go, Java
  • Solid experience in DeFi development (protocol interactions, arbitrage, liquidity management).
  • Strong blockchain knowledge, including nodes, consensus mechanisms (PoW, PoS), and Web3
  • Experience with smart contract development in Solidity and/or Rust
  • Deep understanding of backend architecture, including scalable distributed systems, microservices, and event-driven processing
  • Hands-on experience with cloud infrastructure (AWS, GCP, or Azure) and containerization (Docker, Kubernetes)
  • Understanding of security best practices in blockchain and back-end development (e.g., private key management, transaction signing, API security)
  • Familiarity with Kafka, Redis, gRPC, and WebSockets for real-time data processing
  • Experience working with on-chain data analysis, indexers, and oracles, a plus
  • Knowledge of MEV (Maximal Extractable Value) strategies and blockchain transaction ordering, a plus
  • Prior experience working in low-latency, high-performance trading environment, a plus

 

Flow Traders does not accept unsolicited resumes from any professional staffing or search firms. All resumes, and any other information identifying potential candidates, submitted to any employee at Flow Traders via-email, the Internet or directly without a valid and signed search agreement will be deemed free to contact by Flow Traders without any restrictions and no placement fee of any kind will be paid in the event the candidate is hired by Flow Traders.

 

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