Golang Engineer
Design, build, and maintain Go backend services for Web3 card payments, blockchain integrations, transaction processing, cross-chain swaps, stablecoins, fund management, and secure financial data handling.
Responsibilities
- Design, build, and maintain high-performance Go backend services for Web3 card payment processing.
- Develop smart contract integrations and on-chain transaction flows.
- Create and manage APIs for blockchain, payments infrastructure, and third-party services.
- Implement secure transaction handling, asynchronous confirmations, and oracle-supported workflows.
- Develop services for cross-chain token swaps, stablecoin transactions, and fund management.
- Implement encryption, authentication, authorization, and secure data handling practices.
- Monitor, debug, and troubleshoot live transaction and fund flows to ensure reliability.
Requirements
- 3+ years of Go development and 1+ year of Web3 or blockchain experience.
- Knowledge of Ethereum, EVM-compatible networks, smart contracts, Geth, Infura, and wallet integrations.
- Understanding of Web3 financial transaction lifecycles, token transfers, stablecoins, and cryptocurrency wallets.
- Proficiency in RESTful API and gRPC service design, development, security, and integration.
- Experience with MySQL, data consistency, and performance optimization.
- Experience with containerized applications and Kubernetes for production Go microservices.
- Understanding of cryptographic principles and secure data storage and transmission.
- Familiarity with AWS, GCP, Azure, and CI/CD pipelines for Go applications.
- Good English for documentation and Ukrainian or Russian communication skills.
- Nice-to-have experience with zk-rollups, sidechains, Layer 2 solutions, observability, Terraform, and automated deployment strategies.
Benefits
- Premium tariffs for Wirex products.
- Semi-remote work with flexible hours.
- Home office allowance.
- Virtual share options after probation.
- Health insurance after probation.
- 20 business days of paid vacation.
- Paid sick leave, birthday leave, anniversary leave, and length-of-service holidays.
- Online learning and social events.
- PE accounting and support.