Anyone AI logo
Anyone AI

We invest in people from Latam to bridge the talent gap in AI.

Backend Developer – AI Trainer

Backend EngineerSoftware EngineerPart TimeRemoteSeniorTeam 11-50Since 2022H1B No SponsorCompany SiteLinkedIn

Location

France

Posted

5 days ago

Salary

$25 - $50 / hour

Seniority

Senior

Bachelor Degree3 yrs expExperience acceptedEnglishJavaJavaScriptJestJUnitPythonTypeScriptGo

Job Description

Backend Developer – AI Trainer

Anyone AI

• Design and implement multi-file coding tasks across bug fixing, feature development, refactoring, and testing • Write clear natural-language specifications and reference implementations • Develop and extend unit and integration test suites • Review peer-generated tasks for correctness, clarity, and realism • Identify edge cases, ambiguities, and potential failure modes • Ensure alignment between specifications, code, and expected outputs

Job Requirements

  • Advanced professional written proficiency in English
  • 3–7 years of professional software engineering experience
  • Strong proficiency in Python and JavaScript/TypeScript; working knowledge of Java, C#, or Go
  • Backend or full‑stack development experience in production systems
  • Experience with testing frameworks (e.g., pytest, Jest, JUnit, xUnit, Go testing)
  • Proven ability to debug and navigate large, multi‑file codebases
  • Experience with code reviews, refactoring, and production migrations

Related Job Pages

More Backend Engineer Jobs

Tines logo

Staff Software Engineer – Backend

Tines

No-code automation for security teams

Full TimeRemoteTeam 51-200Since 2018H1B Sponsor

• Lead the technical direction for some of Tines’ most critical systems. • Make valuable changes in our codebase in your first week, and see them live in production minutes after merging them. • Shape how jobs and code are executed at the very heart of our application, to help us power the world’s most important workflows. • Write and review high-quality, well-tested code to ensure that we’re creating a stable product for our customers, and a stress-free codebase for ourselves. • Identify areas for improvement, both in our codebase and in how we work, and share the responsibility of making our team better. • Own the problems you’re solving - and the software you write to solve them - all the way to production and beyond, responding to customer feedback to improve those solutions. • Use your knowledge to mentor other engineers in our team, providing support and guidance to help them grow their abilities.

Massachusetts
Retorna logo

Senior Backend Engineer – Mobile, AI

Retorna

An easy to use platform that transfers money from anywhere at any time and solves core pains.

Full TimeRemoteTeam 51-200Since 2019H1B No Sponsor

• Diseñar y mantener la capa BFF que alimenta nuestras apps móviles • Orquestar llamadas a microservicios, optimizar payloads, manejar caching y autenticación • Integrar asistentes conversacionales con RAG sobre datos financieros del cliente • Construir agentes autónomos para onboarding y resolución de problemas sin fricción • Diseñar personalización hiper-contextual en tiempo real

Latin America
Job Closed
Retorna logo

Senior Backend Developer – Operaciones, AI

Retorna

An easy to use platform that transfers money from anywhere at any time and solves core pains.

Full TimeRemoteTeam 51-200Since 2019H1B No Sponsor

• Construir y evolucionar herramientas internas de gestión de transacciones y soporte • Diseñar agentes que resuelvan tickets de soporte end-to-end sin intervención humana • Implementar pipelines RAG sobre documentación regulatoria para compliance • Construir sistemas de extracción inteligente de documentos (KYC, identity, onboarding) • Automatizar workflows operativos que hoy frenan el crecimiento • Integrar con Salesforce y flujos de backoffice existentes

Chile
Job Closed
Remote logo

Senior Backend Engineer

Remote

The easier way to employ globally. Remote builds belonging for your team with payroll, benefits, & compliance solutions.

Full TimeRemoteTeam 501-1,000H1B Sponsor

• Lead the development of major team-scoped projects, participate in cross-team initiatives for Remote's HR and Payroll products. • Actively participate in product work in the team: provide feedback, suggest solutions to the problems. Use technical insights and expertise to suggest product improvements. • Maintain good understanding of the team’s domain, both from product and engineering sides. • Provide feedback on code reviews. • Contribute to the shared codebase. • Debug and solve technical and business issues. • Participate in non-team activities, such as support rotations, hiring process, RFC discussions, etc. • Mentor and provide guidance to other engineers. • Investigate, propose and participate in implementation of improvements to our platform. • Implement interfaces with performance, accessibility, and API design in mind. • Redesign how engineering work ships with autonomous agents as the default execution layer. • Propose and operationalize agentic workflows end-to-end (spec → plan → execute → verify) to deliver outcomes faster. • Build reusable agentic workflows and primitives in the codebase so teams can apply them repeatedly across domains. • Use verification loops (tests, checks, evals, guardrails) to ensure results are correct, secure, reliable, and scalable.

Canada
$53.3K - $119.9K / year