Substream Software Engineer (Node JS + Python)

About the Position

We are seeking a Substream Software Engineer (Node JS + Python) to join our engineering team. In this role, you will lead a team of Python developers and manage large projects.

About the Company

B2Broker is a liquidity and technology provider of solutions for the crypto and foreign exchange (FX) industry. The company specializes in the sphere of B2B services and products, catering to a wide range of clients including large licensed brokers, crypto exchanges, crypto brokers, forex brokers, hedge and crypto funds, and professional managers. B2Broker’s advanced base of ready-to-use technical solutions enables brokers to save time and money on consuming infrastructure projects and focus on enlarging their client base and increasing their revenues.

Responsibilities

• Leading a team of Python developers, conducting interviews
• Experience in managing a team of 5 people or managing large projects
• Make technical decisions and develop the architecture of the project
• Implementation of best development practices and application of new technologies
• Development and support of integration with blockchain and other technologies
• Code quality control, conducting code reviews
• Applying managerial skills to effectively manage a team, including:
  • Distribution of tasks and resource management
  • Team members motivation and development
  • Conflict management and building effective communication within the team
  • Reporting on task progress

Requirements

• At least 5 years of experience with Python, including:
  • Experience in OOP style using decorators, generators, and context managers
  • Deep knowledge of asynchronous programming (asyncio, aiohttp, etc.)
• Knowledge and experience with SQLAlchemy, including:
  • Object-relational mapping modeling (ORM) and declarative definition of models
  • Knowledge and experience with transactions, sessions, and database migrations
  • Query and performance optimization, including understanding N+1 problems
  • Integration of SQLAlchemy with asynchronous frameworks and libraries
• Experience with PostgreSQL including:
  • Experience in the design and normalization of database schemas
  • Experience in writing complex SQL queries, including joins, subqueries, and aggregates
  • Understanding indexes, query optimization, and performance management
  • Basic understanding of PostgreSQL configuration and administration
• Understanding the principles of working with the blockchain, in particular with UTXO and Account Models
• Strong skills in software architecture and API design
• Experience in organizing Zero-downtime Deploy process to minimize system downtime during upgrades
• Experience with RabbitMQ, including setting up a message broker, creating queues, and handling messages in Python
• Experience with Redis, including use as a cache, session storage, and task queue implementation

Nice to Have

• Experience with Node.js and Solidity
• Understanding the principles of blockchain technology and decentralized applications
• Experience with Docker and Kubernetes
• Experience with AWS
• Python certifications

Perks & Benefits

• Apply now

Learn More

• How to create a strong resume: useful tips for candidates and recruiters
• TOP questions for the candidate - what is actual and what is outdated
• Attention to social networks: what they can say about the candidate

Contact Us

• Email: [email protected]
• Phone: +1 484 312 0295