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Freelance Software Developer (Java) - Quality Assurance / AI Trainer Career Opportunity with Mindrift in Mexico

Freelance Software Developer (Java) Quality Assurance / AI Trainer

    Mexico Jobs Expertini Expertini Mexico Jobs Computer Occupations Freelance Software Developer (Java) Quality Assurance / Ai Trainer

Job description

This opportunity is only for candidates currently residing in the specified country.

Your location may affect eligibility and rates.

Please submit your resume in English and indicate your level of English proficiency.

At , innovation meets opportunity.

We believe in using the power of collective intelligence to ethically shape the future of AI.

What we do

The Mindrift platform connects specialists with AI projects from major tech innovators.

Our mission is to unlock the potential of Generative AI by tapping into real-world expertise from across the globe.

About the Role

GenAI models are improving very quickly, and one of our goals is to make them capable of addressing specialized questions and achieving complex reasoning skills.

If you join the platform as an AI Tutor in Coding, you’ll have the opportunity to collaborate on these projects.

Although every project is unique, you might typically:

  • Code generation and code review
  • Prompt evaluation and complex data annotation
  • Training and evaluation of large language models
  • Benchmarking and agent-based code execution in sandboxed environments
  • Working across multiple programming languages
  • Adapting guidelines for new domains and use cases
  • Following project-specific rubrics and requirements
  • Collaborating with project leads, solution engineers, and supply managers on complex or experimental projects

Note: Flexibility and quick adaptation to new requirements are essential.

How to get started

Simply apply to this post, qualify, and get the chance to contribute to projects that match your technical skills, on your own schedule.

From coding and automation to fine-tuning AI outputs, you’ll play a key role in advancing AI capabilities and real-world applications.

Requirements

  • You hold a Bachelor's or Master’s Degree in Computer Science, Software Engineering, Software Development, Computer Engineering, Mobile App Development, Cloud Computing, Data Science, Big Data or other related fields.
  • You have at least 3 years of professional experience in Java 17+, including streams API and concurrent programming.
  • Your level of English is advanced (C1) or above.
  • Hands-on experience with JUnit 5, TestNG, Mockito, and TestContainers.
  • Proficiency with build tools (Maven, Gradle), IDEs (IntelliJ IDEA), and CI/CD pipelines (Jenkins, GitHub Actions, GitLab CI).
  • Experience with the Spring ecosystem (Spring Boot, Spring Data, Spring Security), JPA/Hibernate.
  • Strong understanding of JVM internals, garbage collection, performance optimization, and design patterns.
  • Experience with messaging systems (Kafka, RabbitMQ) and microservices architectures.
  • Practical use of AI-assisted tools for refactoring, performance analysis, and test generation.
  • Familiarity with cloud platforms (AWS, Azure), containers, and Kubernetes.
  • Strong skills in JVM profiling (JProfiler, VisualVM) and debugging.
  • You are ready to learn new methods, able to switch between tasks and topics quickly and sometimes work with challenging, complex guidelines.
  • Our freelance role is fully remote so, you just need a laptop, internet connection, time available and enthusiasm to take on a challenge.

Benefits

Why this freelance opportunity might be a great fit for you?

  • Get paid for your expertise, with rates that can go up to $20/hour depending on your skills, experience, and project needs.
  • Take part in a part-time, remote, freelance project that fits around your primary professional or academic commitments.
  • Work on advanced AI projects and gain valuable experience that enhances your portfolio.
  • Influence how future AI models understand and communicate in your field of expertise.

Required Skill Profession

Computer Occupations


  • Job Details

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Unlock Your Freelance Software Potential: Insight & Career Growth Guide


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Explore profound insights with Expertini's real-time, in-depth analysis, showcased through the graph here. Uncover the dynamic job market trends for Freelance Software in Mexico, Mexico, highlighting market share and opportunities for professionals in Freelance Software roles.

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The Work Culture

An organization's rules and standards set how people should be treated in the office and how different situations should be handled. The work culture at Mindrift adheres to the cultural norms as outlined by Expertini.

The fundamental ethical values are:

1. Independence

2. Loyalty

3. Impartiapty

4. Integrity

5. Accountabipty

6. Respect for human rights

7. Obeying Mexico laws and regulations

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Interview Tips for Freelance Software Developer (Java) Quality Assurance / AI Trainer Job Success

Mindrift interview tips for Freelance Software Developer (Java)   Quality Assurance / AI Trainer

Here are some tips to help you prepare for and ace your Freelance Software Developer (Java) Quality Assurance / AI Trainer job interview:

Before the Interview:

Research: Learn about the Mindrift's mission, values, products, and the specific job requirements and get further information about

Other Openings

Practice: Prepare answers to common interview questions and rehearse using the STAR method (Situation, Task, Action, Result) to showcase your skills and experiences.

Dress Professionally: Choose attire appropriate for the company culture.

Prepare Questions: Show your interest by having thoughtful questions for the interviewer.

Plan Your Commute: Allow ample time to arrive on time and avoid feeling rushed.

During the Interview:

Be Punctual: Arrive on time to demonstrate professionalism and respect.

Make a Great First Impression: Greet the interviewer with a handshake, smile, and eye contact.

Confidence and Enthusiasm: Project a positive attitude and show your genuine interest in the opportunity.

Answer Thoughtfully: Listen carefully, take a moment to formulate clear and concise responses. Highlight relevant skills and experiences using the STAR method.

Ask Prepared Questions: Demonstrate curiosity and engagement with the role and company.

Follow Up: Send a thank-you email to the interviewer within 24 hours.

Additional Tips:

Be Yourself: Let your personality shine through while maintaining professionalism.

Be Honest: Don't exaggerate your skills or experience.

Be Positive: Focus on your strengths and accomplishments.

Body Language: Maintain good posture, avoid fidgeting, and make eye contact.

Turn Off Phone: Avoid distractions during the interview.

Final Thought:

To prepare for your Freelance Software Developer (Java) Quality Assurance / AI Trainer interview at Mindrift, research the company, understand the job requirements, and practice common interview questions.

Highlight your leadership skills, achievements, and strategic thinking abilities. Be prepared to discuss your experience with HR, including your approach to meeting targets as a team player. Additionally, review the Mindrift's products or services and be prepared to discuss how you can contribute to their success.

By following these tips, you can increase your chances of making a positive impression and landing the job!

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