Job Description

Upwork is seeking a Senior/Lead Backend Engineer to design, build, and maintain highly performant systems. The role involves collaborating with cross-functional teams, utilizing Java or Kotlin, and ensuring scalability and security of backend systems. This is a contract position with potential for renewal.

Responsibilities

• Collaborate with cross-functional teams
• Design, develop, test, and maintain backend systems
• Utilize Java or Kotlin
• Architect and optimize backend systems
• Implement security measures
• Enhance codebase quality and documentation
• Stay updated on emerging technologies
• Utilize collaborative tools
• Participate in code and design reviews
• Provide technical guidance to junior developers
• Document code and specifications
• Analyze system performance and respond to incidents
• Participate in Scrum process
• Manage time independently
• Coordinate during core hours

Requirements

• Solid Java or Kotlin development experience
• Knowledge of REST and/or GraphQL
• Experience with unit testing
• Experience with relational and non-relational databases
• Experience collaborating with distributed teams
• Desire to learn new technologies
• Comfortable working with AWS
• Experience building high load web applications

Benefits

• No benefits