We invest in people from Latam to bridge the talent gap in AI.
Backend Developer – AI Trainer
Location
United Kingdom
Posted
32 days ago
Salary
$45 - $80 / hour
Seniority
Senior
Job Description
Backend Developer – AI Trainer
Anyone AI
• Contributors will 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 Guides
Related Job Pages
More Backend Engineer Jobs
Full-Stack Developer – Java
WerecruiterRecrutamento para área de tecnologia com Fit Cultural e Aderência Técnica.
• Promote the development of improvements to products; • Design integration scenarios between products and third-party systems; • Document processes and activities related to product operation and sustainment; • Specify, evaluate and develop programs, scripts and system/server configurations for Internet servers hosted in cloud computing environments and databases; • Test and install programs, scripts and system configurations; • Deploy, configure and develop scripts for version control tools (SVN/GIT), continuous build and delivery (JENKINS), and systems administration; • Write requirements documents and develop acceptance tests;
Desarrollador Fullstack – React, Java
Tekton LabsWe are the bridge between people and technology. #CreativityPowersTechnology
• Diseñar y mantener aplicaciones web escalables integrando componentes de frontend y backend con altos estándares de calidad. • Desarrollar interfaces de usuario modernas, responsivas y altamente eficientes utilizando React y TypeScript. • Optimizar consultas SQL complejas para asegurar un acceso rápido y seguro a bases de datos relacionales. • Implementar y gestionar servicios RESTful para garantizar una comunicación fluida entre sistemas y microservicios. • Colaborar con equipos multidisciplinarios en la definición y lanzamiento de nuevas funcionalidades bajo metodologías ágiles. • Diagnosticar y resolver incidencias técnicas en software existente, priorizando la estabilidad y el rendimiento. • Investigar y aplicar nuevas tecnologías para fomentar la mejora continua en el ciclo de vida del desarrollo.
• Support the design and development of modern, cloud‑native healthcare and public sector products • Contribute as a senior individual contributor position blending hands‑on engineering with technical advisory leadership • Modernize and scale platforms used in healthcare delivery, public health, and government services • Design, develop, and maintain scalable Java‑based product platforms • Build and evolve cloud‑native applications using modern frameworks and engineering best practices • Translate policy, regulatory, and program requirements into secure, production‑ready software • Develop reusable services, shared components, and platform capabilities to support multiple programs • Design and deploy solutions on AWS, leveraging secure, compliant, and cost‑effective cloud services • Apply microservices, API‑first, and event‑driven architectures • Ensure systems meet requirements for availability, resiliency, performance, and disaster recovery • Support modernization initiatives moving legacy platforms toward cloud‑native architectures • Design and improve CI/CD pipelines • Apply DevOps practices to improve release reliability • Partner with platform, SRE, and security teams for monitoring and operational readiness • Support Infrastructure as Code (IaC) • Utilize AI‑assisted engineering tools to improve development efficiency, code quality, and test coverage • Implement automation to streamline software delivery, testing, and operational workflows • Serve as a technical advisor to product, architecture, and delivery teams • Conduct design and code reviews, mentor engineers, and promote engineering standards
Senior Backend Engineer, Java
In All MediaImagine the future of business. Ideas for a Digital Renaissance.
• Build and maintain production-grade backend services using Java and Spring Boot within a microservices architecture. • Execute complex migration patterns to transition services from legacy systems to modern cloud-native platforms. • Manage high-volume data flows using Kafka and ensure seamless synchronization between relational (MySQL/PostgreSQL) and NoSQL databases. • Participate in architectural discussions and code reviews, contributing to the roadmap for AI-driven workflows and LLM-based service patterns. • Partner with international product and engineering squads to translate business requirements into technical solutions that impact millions of users.




