Backend Software Engineer

$20 - $50/hourpay

Required Skills

python
javascript
typescript
go
java
c#
fastapi
flask
nodejs
asp.net
restful-api
microservices
test-driven development
unit testing
regression testing
smoke testing
git
version control
docker
distributed systems
ci/cd
devops
communication
remote collaboration
problem-solving
About micro1
micro1 connects domain experts to the development of frontier AI models. Real-world expertise is turned into training data, evaluations, and feedback loops that improve how models perform. AI labs and enterprises use micro1 to train models and build reliable AI agents through advanced evaluations and reinforcement learning environments. Experts contribute directly to how AI systems learn, reason, and perform across domains like finance, healthcare, engineering, and more. Our platform identifies and vets top talent through an AI recruiter, enabling high-quality contributions at scale.
Our goal is to enable 1 billion people to do meaningful work by applying their expertise to AI. We’ve raised $40M+ in funding, and our AI recruiter has powered over 1 million AI-led interviews as our global network of experts grows into the human intelligence layer for AI.

Job Description

Job Title: Backend Software Engineer

Job Type: Contractor

Location: Remote


Job Summary: As a Backend Software Engineer, 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.

Apply now

Please note that after completing the interview process, you’ll be added to our talent pool and considered for this and other roles that match your skills.

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