Node.js Backend Developer

About us MatchX is the world's number one brand in low-power crypto mining hardware, with a strong reputation for quality and innovation, we are the highest selling low-power multi-token crypto mi

About us

MatchX is the world’s number one brand in low-power crypto mining hardware, with a strong reputation for quality and innovation, we are the highest selling low-power multi-token crypto miner on the planet. Based in Berlin, MatchX is a pioneer in development, global logistics and enterprise-level distribution. Our world-class, award-winning hardware and sales teams are the reason we remain the envy of the entire industry. Bridging the world of data with Smart Cities, Businesses, and Individuals, MatchX bridges real world to metaverse. Together, we’re building the world of tomorrow.

Your mission

  • You are building a microservice that parses transactions from the Ethereum blockchain and stores them in a NoSQL database.
  • Your task is to build a NodeJS backend service that integrates with Ethereum blockchain, including authentication middleware, and provides a REST API for retrieving transaction data.
  • Your service should include the following features:
  • A route to retrieve the details of a transaction.
  • A route to retrieve all transfers from a particular address.
  • An authentication middleware.
  • Integration with Ethereum blockchain to parse transactions.

Your profile

Must haves:
Languages: Node.js/JavaScript

  • 3 years of Backend Development experience
  • 3+ years of JavaScript/Node.js experience
  • Strong knowledge of SQL and NoSQL databases
  • Good knowledge of blockchain, DeFi platforms, Ethereum, and other protocols.
Added advantages:

  • Experience working with Rust
  • Experience working with Go

What we offer

  • Exclusive chance to contribute to a Web 3.0 database project
  • Commitment to genuine decentralization
  • Enthusiastic and driven Web 3.0 team
  • Modern office in the center of Berlin
  • Great opportunities for personal and professional growth and an attractive and young working environment
  • Two weeks “working from any place in the world” on top of your holiday
  • Berlin transportation card
  • Home office equipment reimbursement
  • English or German course
  • Choice of tech (Mac, Windows, Linux)
  • Company lunch every second Friday
  • Refreshments in the office (snacks, fruits, drinks)
  • A growing library of relevant literature to expand your knowledge
  • English as the primary office language
  • Home office opportunities
  • Friday evening team meetings (there is beer and snacks in the office)
  • Amazing international team with over 30 nationalities, super friendly, open, and supportive!

We are looking forward to your application!

Diversity makes us stronger We value diversity and welcome all applicants regardless of ethnicity, religion, national origin sexual orientation, gender, gender identity, age or disability.

About us

MatchX is the world’s leading brand of low-power crypto mining hardware and has an excellent reputation for quality and innovation. We are the best-selling low-power multi-token crypto miner on the planet. MatchX is based in Berlin, Germany and is a pioneer in enterprise-level development, global logistics and distribution. Our world-class, award-winning hardware and sales teams are the reason we are the envy of the entire industry. As the link between the world of data and smart cities, enterprises and individuals, MatchX connects the real world with the metaverse. Together, we are building the world of tomorrow.

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