Expert Work

Backend Engineer

Status: Open

Micro1

Pay
$60–$110/hr
Location
Remote
Employment type
Contractor

About this opportunity

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.

Required skills

  • Python
  • JAVA
  • FastAPI

What you'll do

  • Design, develop, and maintain robust backend services and APIs leveraging Python, Java, FastAPI, and related frameworks.
  • Architect scalable systems using microservices to ensure performance and reliability in cloud environments.
  • Model, implement, and optimize both relational (MySQL, PostgreSQL, Oracle) and NoSQL (MongoDB, Cassandra) databases, ensuring data integrity and access efficiency.
  • Collaborate closely with front-end teams to integrate seamless APIs and deliver end-to-end solutions.
  • Deploy and manage applications using Docker and Kubernetes in modern cloud infrastructures like AWS, Azure, or Google Cloud.
  • Champion best practices in code quality, version control (Git), security, and continuous integration/deployment (CI/CD).
  • Lead and mentor team members, fostering a culture of collaboration and innovation within the customer's team.

Requirements

  • Advanced proficiency in Python and Java with hands-on experience in FastAPI and frameworks such as Spring, Django, or Flask.
  • Deep understanding of both SQL and NoSQL databases, including data modeling, optimization, and query design.
  • Strong background in API development, integration, and microservices architectures.
  • Highly skilled in using Git for version control and collaborating on distributed teams.
  • Proven experience with containerization and orchestration tools like Docker and Kubernetes.
  • Excellent written and verbal communication skills, with a focus on clarity and precision, essential for remote teamwork.
  • Demonstrated commitment to secure software development and mitigation of vulnerabilities.

Preferred qualifications

  • Experience leading backend or cross-functional teams in remote or distributed settings.
  • Familiarity with advanced cloud solutions, including deployment, scaling, and monitoring on AWS, Azure, or Google Cloud.
  • History of designing and deploying highly available, mission-critical backend systems.
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TypeScript + Rust Developer

Job Title: TypeScript + Rust Developer 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: - Collaborate with cross-functional teams to deliver robust solutions in TypeScript and Rust. - Design, implement, and refactor complex systems, with a focus on codebase migrations or rewrites between language ecosystems. - Create and curate high-quality human data for AI training and evaluation tasks. - Follow best practices for software engineering, including code reviews, testing, and documentation. - Communicate technical concepts clearly via written and verbal communication to both technical and non-technical stakeholders. - Troubleshoot, debug, and optimize codebases in both TypeScript and Rust environments. - Maintain 6+ hours of daily work overlap with the Eastern Time zone to ensure effective collaboration. Required Skills and Qualifications: - 5+ years of professional software development experience, with a proven track record of production-level work. - Idiomatic fluency in TypeScript and Rust, demonstrated through hands-on experience. - Strong background in codebase migrations, rewrites, or working within multiple language environments. - Excellent written and verbal communication skills, with the ability to explain complex technical issues clearly. - Experience producing or working with human-labeled data, ideally for AI or ML applications. - Ability to work independently and as part of a remote, global team. - Fluent English proficiency. Preferred Qualifications: - Previous experience on AI/ML data engineering or data labeling teams. - Contributions to open-source TypeScript or Rust projects. - Background in developing scalable cloud-native applications.

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