Blockchain Engineer - London at Flow Traders

London, England, United Kingdom

Flow Traders Logo
Not SpecifiedCompensation
Senior (5 to 8 years)Experience Level
Full TimeJob Type
UnknownVisa
FinTech, Blockchain, Cryptocurrency, TradingIndustries

Requirements

  • 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)

Responsibilities

  • 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

Skills

Key technologies and capabilities for this role

PythonRustGoJavaDeFiSmart ContractsIndexersMarket-Making BotsAPIsDEXsMicroservicesBlockchain NodesConsensus Mechanisms

Questions & Answers

Common questions about this position

Is this role remote or office-based?

This is a hybrid role based in Amsterdam.

What is the salary for this Blockchain Engineer position?

This information is not specified in the job description.

What skills are required for this role?

Required skills include 5+ years of software development experience, strong expertise in back-end languages like Python, Rust, or Go, solid DeFi development experience, blockchain knowledge, and smart contract development in Solidity and/or Rust.

What is the company culture like at Flow Traders?

Flow Traders has an entrepreneurial and innovative culture in a high-performance environment that values sharp, creative minds and challenges engineers to leverage their full potential.

What makes a strong candidate for this position?

A strong candidate has a degree in Computer Science or related field, 5+ years of software development experience, expertise in back-end languages and DeFi, plus experience in low-latency trading environments.

Flow Traders

Global liquidity provider for financial markets

About Flow Traders

Flow Traders is a global liquidity provider that focuses on Exchange Traded Products (ETPs) and is expanding into other asset classes. The company operates in major financial markets across the Americas, APAC, and EMEA regions. It utilizes a proprietary technology platform to set bid and ask prices for thousands of ETP listings and similar financial products, which helps ensure there are enough buyers and sellers in the market, facilitating easier trading for investors. Flow Traders primarily serves institutional clients, such as hedge funds and asset managers, who depend on their efficient trading services. The company earns profits by taking a small margin on a large volume of trades, capitalizing on their advanced technology and market knowledge to maintain a competitive edge. Additionally, Flow Traders is dedicated to corporate social responsibility, aiming to create shared value in economic, social, and environmental aspects.

Amsterdam, NetherlandsHeadquarters
2004Year Founded
IPOCompany Stage
Fintech, Financial ServicesIndustries
501-1,000Employees

Benefits

Medical, Vision, Dental Insurance coverage
401(k) plan with generous match
In-house lounge with a bar, game consoles, poker & billiards tables
Daily catered lunch, cold brew coffee on tap and a fully stocked kitchen
Weekly table massages and bi-weekly haircuts
Annual company trip and a variety of events throughout the year
Reimbursed gym membership or home equipment and other wellness initiatives
Global rotations between our offices worldwide
Flow Academy for continuous learning and opportunities to attend industry seminars and conferences

Risks

Rising competition from new digital asset exchanges challenges Flow Traders' market position.
Self-custodial trading platforms may reduce reliance on traditional liquidity providers.
Advanced cryptographic protocols could disrupt traditional data-sharing methods in financial markets.

Differentiation

Flow Traders specializes in Exchange Traded Products, expanding into diverse asset classes.
The company uses proprietary technology to provide liquidity in global financial markets.
Flow Traders invests in financial market innovators, enhancing transparency and efficiency.

Upsides

Growing interest in digital asset trading boosts demand for liquidity providers like Flow Traders.
Expansion into emerging technologies aligns with Flow Traders' strategic agenda.
Increased digitization in equity markets enhances market efficiency, benefiting Flow Traders.

Land your dream remote job 3x faster with AI