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Web3 jobs

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 - 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 7 days ago
Senior Front-End Engineer (Web3)Senior Front-End Engineer (Web3)
Blockchain.com
London, United States (city)
Web3
React
Front-end
Crypto
Cloud
Blockchain
Posted 7 days ago
Site Reliability Engineer (Bucharest, Romania) - FulltimeSite Reliability Engineer (Bucharest, Romania) - Fulltime
Alchemy
Bucharest, Romania (city)
Docker
Python
Web3
Grafana
Rust
Prometheus
AWS
Ansible
AI
Developer
Kubernetes
Terraform
Java
Azure
GitLab
Jenkins
GCP
Site reliability engineer
Golang
Splunk
Blockchain
Cloud
Linux
Chef
Posted 13 days ago
Site Reliability EngineerSite Reliability Engineer
Alchemy
San Francisco, Argentina (city)
$135k - $240k
Web3
Grafana
Prometheus
AWS
AI
Developer
Kubernetes
Terraform
GCP
Helm
Site reliability engineer
Architect
Datadog
Blockchain
Cloud
Posted 13 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
Engineering Manager, WalletsEngineering Manager, Wallets
Alchemy
San Francisco, Argentina (city)
$135k - $300k
Web3
Full-stack
Back-end
React
Front-end
Developer
AI
Engineering Manager
Blockchain
Crypto
Posted 20 days ago
Engineering Manager (Data Science & Data Engineering)Engineering Manager (Data Science & Data Engineering)
Alchemy
New York, United States (region)
$135k - $250k
Data science
Marketing
Web3
AWS
Developer
AI
Blockchain
Apache
Posted 20 days ago
Software Engineer (Distributed Systems)Software Engineer (Distributed Systems)
Alchemy
San Francisco, Argentina (city)
$135k - $250k
Software engineer
Back-end
Kubernetes
Cloud
AI
Golang
Crypto
C
Web3
AWS
Developer
Blockchain
API
Java
Posted 20 days ago
Analyst, Crypto ProductsAnalyst, Crypto Products
Grayscale Investments
Stamford, United Kingdom (city)
Blockchain
SQL
Crypto
Python
Web3
Posted 20 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 21 days ago
Accounting Manager - Web3 PracticeAccounting Manager - Web3 Practice
Attivo Partners
Boston, Philippines (city)
$110k - $140k
Web3
SQL
Crypto
Blockchain
Posted 26 days ago
Sr. Ad Sales Director - SearchSr. Ad Sales Director - Search
Brave
Germany, Western Europe (country)
Sales
Search
C
Web3
Javascript
Posted 27 days ago
Senior Accountant - Web3 PracticeSenior Accountant - Web3 Practice
Attivo Partners
Los Ángeles, Mexico (city)
$100k - $115k
Blockchain
Web3
Crypto
Posted 1 month ago
Full Stack Engineer (Mid-level/Senior position)Full Stack Engineer (Mid-level/Senior position)
COMMON
California, United States (region)
Solidity
Front-end
Solana
Back-end
Open Source
Postgres
Blockchain
React
Full-stack
Node.js
Typescript
Crypto
Python
Developer
Web3
Posted 2 months 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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