Backend Software Engineer

Job Title

Backend Software Engineer

Job Type

Contractor

Location

Remote

Job Summary

In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain knowledge is what matters.

Key Responsibilities

• Design, develop, and optimize robust backend components and microservices for high-performance applications.
• Collaborate closely with the customer’s team to translate technical requirements into scalable software solutions.
• Implement and maintain RESTful APIs and web frameworks such as FastAPI, Flask, NodeJS, ASP.NET, or similar.
• Apply test-driven development (TDD) principles to ensure the reliability and stability of code.
• Develop comprehensive test suites, including unit, regression, and smoke tests.
• Utilize version control systems, primarily Git, for collaborative development and code reviews.
• Contribute to continuous improvement by identifying technical gaps and proposing innovative solutions.

Required Skills and Qualifications

• 3-5+ years of experience as a software developer, specialized in backend or full-stack environments.
• Proficient in at least one of the following languages: Python, JavaScript/TypeScript, Go, Java, or C#.
• Demonstrated hands-on experience with API and web frameworks such as FastAPI, Flask, NodeJS, ASP.NET, or others.
• Strong foundation in test-driven development, with expertise in building test suites and using test automation frameworks.
• Practical experience developing and deploying microservices architectures.
• Skilled in using Git and version control best practices.
• Excellent written and verbal communication skills; ability to articulate ideas clearly within a remote setting.

Preferred Qualifications

• Experience working with Docker containers and managing Docker-based environments.
• Previous involvement in large-scale, distributed systems.
• Familiarity with CI/CD pipelines and modern DevOps practices.