Senior Software Engineer (Backend - Golang & Blockchain)

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Wallex

Worldwide
Full-TimeWorldwide

Job Description

At Wallex, we build modern, scalable financial technology solutions. As a Senior Software Engineer, you will play a key role in designing, developing, and deploying high-performance backend services, focusing on Golang microservices and blockchain integration. We’re looking for someone who thrives in a collaborative environment, enjoys mentoring teammates, and is excited about working with emerging technologies in a practical, real-world setting.

Responsibility• Design and build scalable, maintainable microservices using Golang, driving system architecture, performance, and reliability improvements.

  • Lead the integration of blockchain technologies into backend systems (focused on practical applications, not smart contract development).
  • Collaborate with product managers, engineers, and designers to understand requirements and deliver business-critical features.
  • Conduct and participate in code reviews, ensuring high code quality, scalability, and performance standards.
  • Mentor junior engineers by sharing knowledge and providing technical guidance (informal mentorship; no formal management duties).
  • Stay updated on backend and blockchain technology trends, proposing ways to continuously improve our systems.
  • Troubleshoot production issues and work closely with DevOps to ensure smooth deployment and operation.
  • Bachelor’s or Master’s degree in Computer Science, Engineering, or related fields.
  • 4+ years of professional experience as a backend software engineer, with strong hands-on expertise in Golang.

Proven experience designing and building microservices architectures.

  • Familiarity with blockchain concepts (e.g., distributed ledgers, cryptographic principles); experience integrating blockchain technologies (not necessarily developing smart contracts).
  • Solid understanding of RESTful APIs, distributed systems, and cloud infrastructure.
  • Hands-on experience with containerization tools like Docker and orchestration systems like Kubernetes.
  • Familiarity with TypeScript and Node.js is a bonus, but not required.
  • Strong problem-solving skills, debugging abilities, and an eagerness to learn.
  • Clear and practical communication skills - you can explain complex ideas simply, both to technical and non-technical team members.
  • Competitive Salary
  • Training & Development
  • Private Health Insurance
  • Attractive benefit Package ( Family, Health, Entertainment)
  • breakfast and lunch
  • flexible working hours