W

W Group

Global fintech ecosystem enabling blockchain adoption

Golang & Solidity Software Engineer

Blockchain & Smart Contract EngineeringUpdated on Nov 10
Full-timeUkraineNo salary listedIn-person

About the Job

Requirements

  • At least 4 years of professional experience in software engineering, including at least 4 years of hands-on Golang experience and at least 2 years working with the Solidity technology stack, with a strong focus on blockchain.
  • Extensive experience with Ethereum, including a deep understanding of its protocol, smart contract development, and associated technologies.
  • Hands-on experience developing, deploying, and maintaining smart contracts on EVM chains using Solidity.
  • Familiarity with smart contract security best practices, upgradability, and DeFi protocols.
  • Experience developing microservices and APIs, with knowledge of RESTful and/or gRPC frameworks.
  • Familiarity with Kubernetes for container orchestration and CI/CD tools for deployment automation.
  • Familiarity with monitoring tools such as Prometheus and Grafana for performance tracking.
  • Familiarity with cloud platforms, preferably AWS, and experience with containerization such as Docker is a strong plus.

Responsibilities

  • Design, develop, and maintain blockchain solutions focused on Ethereum and its associated technologies.
  • Design, develop, and maintain smart contracts on EVM chains using Solidity.
  • Write, test, and deploy smart contracts, ensuring security and performance optimization.
  • Implement and manage Layer 2 solutions and rollups, optimizing scalability and efficiency of blockchain applications.
  • Design and develop microservices and APIs to support scalable applications, ensuring seamless integration with existing systems.
  • Foster collaboration, knowledge sharing, and professional growth.
  • Work closely with cross-functional teams to define project requirements and ensure alignment with business objectives.
  • Stay updated on advancements in blockchain technology and Ethereum, and apply new features and best practices to enhance solutions.

Desired Qualifications

  • Familiarity with Layer 2 solutions, rollups, and the OP Stack, with a clear understanding of their advantages and applications.
  • Experience with Zero Knowledge technologies.
  • Experience interacting with the Solana network and writing smart contracts in Rust.
  • Experience conducting and successfully passing smart contract security audits.
  • Experience developing blockchain nodes, bridges, and indexers.

About the Company

W Group

Global fintech ecosystem enabling blockchain adoption

W Group is a global fintech ecosystem that combines banking, payments, and blockchain infrastructure to make crypto accessible. Its flagship product, WhiteBIT, is a European cryptocurrency exchange offering spot trading, margin markets, and perpetual futures with many trading pairs. The group also includes Whitepay for crypto payments, Whitechain (an EVM-compatible Layer-1 blockchain), Hash Bank (Georgia’s first fully digital bank), and PayUniCard (e-wallet with international VISA cards), plus ventures like White.market, The Coinomist, and ByHi. Revenue comes from exchange fees, crypto processing fees, and various financial services, and the goal is to accelerate the mass adoption of blockchain by delivering trusted, interconnected financial services to over 35 million users in 150 countries.

Company size
Not listed
Company stage
Not listed
Total funding
$389.1M
Headquarters
Ukraine
Founded
2018

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