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# Machine Learning Engineer (Remote | $60-$120/Hr)

- **Company:** Synthires
- **Location:** Illes Balears, Spain (Remote available)
- **Salary:** €124,800.0
- **Contract:** Permanent contract
- **Skills:** Testing (Software), Java (Programming Language), Artificial Intelligence, Systems Engineering, Software Bug Management, C++ (Programming Language), Cloud Computing, Code Review, Continuous Integration, Data Structures, Software Debugging, DevOps, Programming Tools, Python (Programming Language), Machine Learning, Performance Tuning, Software Engineering, Software Systems, TypeScript, Reinforcement Learning, Rust (Programming Language), Generative AI, Codebase, Virtual Agents, Code Restructuring, Golang
- **Published:** September 9, 2026
- **Apply:** https://www.buscojobs.com.es/machine-learning-engineer-remote-60-120-hr-en-islas-baleares-ID-370225874

## About the Role

Strong proficiency in at least one of
C++, Python, Java, Go, TypeScript, or Rust
.
Deep understanding of
algorithms, data structures, and performance optimization
.
Demonstrated experience debugging complex software issues and delivering
maintainable solutions
.
Strong background in
feature development and codebase refactoring
.
Proven ability to optimize software for
performance and scalability
.
Excellent
analytical, problem-solving, written, and verbal communication skills
.
Strong attention to detail and ability to work independently.
Experience collaborating effectively within
cross-functional or remote engineering teams, Experience working with
large-scale or distributed codebases
.
Familiarity with
AI, machine learning, generative AI, or AI agent systems
.
Experience with
MCP, agentic workflows, or developer tools
.
Background in rigorous
code reviews, software testing, and engineering best practices
.
Experience designing
benchmarks, evaluation environments, or technical assessments
.
Familiarity with
DevOps, CI/CD, cloud infrastructure, or systems engineering

## Description

AI Engineer¿Tiene las cualificaciones y habilidades adecuadas para este trabajo? Descúbralo a continuación y pulse en "solicitar" para ser considerado.Position:AI EngineerType:Hourly Contract (Part-Time)Compensation:$60-$120/hourLocation:RemoteAbout the OpportunityThis opportunity is for experiencedAI Engineers and Software Engineerswith expertise inPython, Java, C++, Rust, TypeScript, algorithms, debugging, codebase refactoring, and performance optimizationto contribute to advancedAI research and evaluation projects.You'll apply your software engineering expertise to createReinforcement Learning (RL) environmentsthat test AI models on complex software engineering workflows. Tasks may involve debugging, feature implementation, code refactoring, performance optimization, and working withModel Context Protocol (MCP)tools.No priorAI experienceis required - your technical expertise is what matters.ResponsibilitiesDesign and developReinforcement Learning environmentsthat evaluate AI models on realistic software engineering workflows.Create tasks involvingbug fixing, feature implementation, codebase refactoring, and performance optimization.Develop reproducible environments withdeterministic verification and golden reference solutions.Design workflows that require AI agents to discover and reason over information usingMCP tools and real MCP servers.Evaluate AI-generated software solutions forcorrectness, maintainability, performance, and scalability.Apply strong knowledge ofalgorithms, data structures, debugging, and systems engineeringto create challenging evaluation tasks.Provide structured technical feedback to improveAI model reasoning and software engineering capabilities.Collaborate with technical teams to maintain consistent evaluation standards and high-quality deliverables.Required QualificationsStrong proficiency in at least one ofC++, Python, Java, Go, TypeScript, or Rust.Deep understanding ofalgorithms, data structures, and performance optimization.Demonstrated experience debugging complex software issues and deliveringmaintainable solutions.Strong background infeature development and codebase refactoring.Proven ability to optimize software forperformance and scalability.Excellentanalytical, problem-solving, written, and verbal communication skills.Strong attention to detail and ability to work independently.Experience collaborating effectively withincross-functional or remote engineering teams.Preferred QualificationsExperience working withlarge-scale or distributed codebases.Familiarity withAI, machine learning, generative AI, or AI agent systems.Experience withMCP, agentic workflows, or developer tools.Background in rigorouscode reviews, software testing, and engineering best practices.Experience designingbenchmarks, evaluation environments, or technical assessments.Familiarity withDevOps, CI/CD, cloud infrastructure, or systems engineering.CompensationCompetitive compensation of $60-$120/hour.Hourly contract engagement.Part-time opportunity of approximately 15 hours per week.Fully remote with flexible scheduling, including the option to choose your preferred working days and hours.Output-based compensationmay apply, with payment based on completed tasks meeting project specifications. xbhjioeApplication ProcessApply to the role and complete the required screening questionsComplete an AI interview of approximately 30 minutesComplete the technical assessment, if requiredHiring Manager reviewComplete onboarding and begin the engagementHay opciones de teletrabajo/trabajo desde casa disponibles para este puesto.


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