QA Engineer Offline

Boosty Labs is one of the most prominent outsourcing companies in the blockchain domain. Among our clients are such well-known companies as Ledger, Consensys, Storj, Animoca brands, Walletconnect, Coinspaid, Paraswap, and others.

• Technical Requirements
  Testing Fundamentals
  Solid understanding of SDLC and STLC

Test levels: Unit, Integration, System, Acceptance

Test types: Functional, Regression, Smoke, Sanity

• Test design techniques:
  - Boundary Value Analysis
  - Equivalence Partitioning
  - Decision Table
  - State Transition
• Manual Testing Skills
  Writing clear and structured test cases
  Creating test plans and checklists
  Defect lifecycle, bug reporting (JIRA, etc.)
  Requirements analysis and ambiguity identification
  UI/UX testing and exploratory testing
• API Testing
  Understanding of REST APIs, HTTP methods
  Use of tools like Postman or Insomnia
  Basic authorization/authentication (Bearer, API key)
  Creating and executing test collections
  JSON structure validation, status code verification
• Databases and SQL
  Basic knowledge of relational databases (MySQL, PostgreSQL)
  Writing simple SQL queries:
  - SELECT, JOIN, WHERE, GROUP BY
  Validating data via DB in backend flows
• Version Control
  Basic Git operations:
  - clone, pull, push, commit, branch
  Understanding of repository structure
• Bug Tracking & Test Management Tools
  - JIRA (or alternatives: YouTrack, Trello)
  - TestRail (or similar: Zephyr, Xray)
  - Bug report structure: summary, steps, expected vs actual
• Nice to Have:
  - Understanding of SDLC/STLC in Web3/blockchain environment
  - Blockchain-specific test types:
  - Wallet testing
  - Transaction flow validation
• Manual Testing Skills
  - Creating detailed test cases based on smart contract specs or API schemas
  - Verifying on-chain and off-chain flows (e.g., front-end ↔ backend ↔ chain)
  - Testing asset transfers, gas usage, signature verification
  - Exploratory testing across Web3 interfaces (wallets, dApps)
• Blockchain Fundamentals
  Understanding of:
  - Blockchain structure (blocks, transactions, consensus)
  - Gas fees, nonce, pending transactions
  - Public/private keys, wallet addresses
  - Smart contracts, ABI
• Familiarity with tools:

- Etherscan / Block explorers
- MetaMask / WalletConnect / Ledger
- Ganache / Hardhat / Truffle (optional but useful)

• What we offer:
  • Remote working format 
  • Flexible working hours
  • Informal and friendly atmosphere
  • The ability to focus on your work: a lack of bureaucracy and micromanagement
  • 20 paid vacation days
  • 7 paid sick leaves
  • Education reimbursement
  • Free English classes
  • Psychologist consultations

• Recruitment process:

  Recruitment Interview – Technical Interview