Spanish (Mexico) Language Specialist - Freelance AI Trainer Opportunity

Role Overview Anyone AI is looking for experienced software engineers in Mexico to join as AI Software Engineering Trainers. This fully remote, part-time consultancy centers on designing and evaluating realistic coding challenges for a leading AI laboratory. What You Will Do Create and implement complex, multi-file coding tasks involving bug fixes, new features, refactoring, and test generation. Write clear and precise specifications and provide reference implementations. Develop and improve unit and integration test suites. Review peer-created tasks for clarity and accuracy. Spot edge cases, ambiguities, and potential failure points in assignments. Ensure that specifications, code, and expected outputs are consistent and correct. Who We’re Looking For Exceptional written English skills. 3 to 7 years of hands-on software engineering experience. Deep expertise in Python and JavaScript or TypeScript. Familiarity with Java, C#, or Go is a plus. Background in backend or full-stack development in production settings. Comfort with testing frameworks such as pytest, Jest, JUnit, xUnit, or Go testing tools. Strong debugging skills and experience managing large, multi-file codebases. Experience with code reviews, refactoring, and production migrations. Engagement Details Part-time, project-based consultancy focused on expert evaluations. Fully remote within Mexico. Expected Outcomes Deliver high-quality, production-ready software engineering tasks that meet project needs.

Join the innovative team at Anyone AI as we seek talented software engineers to serve as project consultants. This fully remote role allows you to engage with cutting-edge AI technology while collaborating with a diverse team of professionals.As an AI Software Engineering Consultant, you will be tasked with designing and evaluating realistic engineering projects, which include bug resolution, feature implementation, refactoring, and test generation. You will create complex coding scenarios and assess peer submissions for quality and accuracy, ensuring the highest standards are met.

Role Overview anyone-ai is hiring a Backend Developer - AI Trainer for a fully remote role based in Mexico. This position focuses on developing and training AI systems, with a goal of improving their performance and reliability. What You Will Do Develop backend components that support AI technologies Train and refine AI systems to enhance efficiency and effectiveness Collaborate with team members to shape AI solutions Location This is a fully remote position open to candidates based in Mexico.

About PMGRecognized as one of the Ad Age Best Places to Work for 11 consecutive years and featured in Fast Company Best Workplaces for Innovators since 2022, PMG is a leading independent marketing services and technology company dedicated to inspiring individuals and brands to believe in limitless possibilities. Our mission is fueled by a commitment to shared achievements, leveraging strategic business transformations, creative solutions, media, and insights through our proprietary operating system, Alli, to provide state-of-the-art digital solutions and innovative media strategies.With a global footprint of over 900 talented professionals, our collaborations with ambitious brands such as Apple, Nike, Sephora, Experian, Therabody, Best Western Hotels & Resorts, Creed Fragrances, BNY, Intuit, CKE Restaurants, Travelex, and Whole Foods span across more than 85 countries.Role OverviewThe AI & Software Engineer III is pivotal in designing, constructing, and maintaining the foundational systems that underpin PMG's data and AI ecosystem. This position is centered on developing and optimizing scalable data pipelines, overseeing data ingestion and transformation processes, and facilitating the integration of both internal and external data sources.You will collaborate closely with engineers, data analysts, and product teams to ensure the reliability, performance, and accessibility of data that drives insights and intelligent automation throughout the organization. This role is ideal for an individual who excels at the intersection of software engineering, data infrastructure, and AI-driven innovation.Key ResponsibilitiesData Systems & Pipeline DevelopmentDesign, develop, and maintain scalable data ingestion systems that connect various internal and external data sources.Manage data workflows across cloud platforms such as AWS S3 and Snowflake.Implement efficient ELT pipelines using modern tools and frameworks (e.g., dbt, Snowflake).Monitor and ensure data quality, integrity, and consistency across systems, employing validation mechanisms.Collaborate on infrastructure-as-code deployments and CI/CD practices for data systems.Software Engineering & ArchitectureContribute to the design and implementation of APIs and internal services that support PMG’s broader product ecosystem.Write clean, efficient, and testable code in contemporary programming languages, particularly focusing on Python.Adhere to software engineering best practices, including version control, testing, and observability.

Are you a passionate Spanish (Mexico) language expert ready to influence the future of artificial intelligence? As large-scale language models transition from simple chatbots to sophisticated communication tools, your contribution is vital. High-quality training data is essential for AI to grasp regional language nuances, context, and tone, thus enhancing global accessibility and cultural exchange. Your expertise will lay the groundwork for the next generation of AI.We seek Spanish (Mexico) language specialists who are deeply familiar with grammar, orthography, vocabulary, idiomatic expressions, and cultural references unique to Mexico. You will engage with advanced language models, focusing on regional colloquialisms, contextual interpretation, tone adaptation, syntactic accuracy, and semantic precision—diligently documenting each failure mode to strengthen model reasoning.On a typical day, you will interact with the model in Spanish (Mexico) on an array of topics, verify linguistic accuracy, ensure cultural relevance, capture reproducible error traces, and provide valuable feedback to refine our prompt engineering and evaluation metrics.A degree in Linguistics, Translation, Spanish Language, Literature, or a related field is preferred. Professional experience in teaching, translation, localization, or editorial roles is highly advantageous. Clear and metacognitive communication—demonstrating your process—is crucial.Are you ready to transform your Spanish (Mexico) expertise into the foundational knowledge for tomorrow's AI? Apply today and begin teaching the model that will educate the world!

About Doctoralia Doctoralia connects millions of patients with healthcare professionals, helping to make healthcare experiences more human through technology. As a leading SaaS platform in Mexico’s medical sector and a global reference, the company focuses on efficient, patient-centered digital solutions. Role Overview: Sales Trainer The Sales Trainer will play a key role in developing and delivering training programs for both new hires and current team members in Mexico City. This position supports the growth of internal talent and helps the sales team reach its highest potential in productivity and performance. The Trainer ensures every team member understands company processes, tools, and standards. Main Responsibilities Design and deliver training programs for new and existing staff. Create training materials, including presentations, manuals, guides, and digital content. Work with team leads and managers to identify training needs. Assess training effectiveness through evaluations and ongoing feedback. Track participant progress and provide coaching as needed. Keep training records and reports up to date. Update training content when processes, policies, or tools change. Facilitate workshops, group sessions, and one-on-one trainings. Professional Profile Bachelor’s degree in Human Resources, Administration, Psychology, Education, or a related field (preferred). Previous experience as a Trainer, Instructor, or Training Specialist in sales. Strong communication and presentation skills. Ability to motivate and develop participants. Knowledge of training and learning techniques.

Join a Leading IT Company in Latin America as a Generative AI Engineer!We are searching for an innovative and skilled Generative AI Engineer to join our dynamic team remotely from Mexico. Your expertise will help us leverage cutting-edge generative AI technologies and tools to drive our projects forward.As a key player in our organization, you will be tasked with:Developing and deploying generative AI solutions utilizing Azure OpenAI Services, Cognitive Search, Azure AI Studio, and LangChain frameworks.Implementing agent orchestration with effective context management and retrieval-augmented reasoning.Ensuring a solid understanding of security, identity, and compliance measures within Azure, including Managed Identities and Key Vault.Exhibiting proficiency in Python and React.js for full-stack cloud-native solution development.Managing multi-region deployments and high-throughput data pipelines while ensuring serverless scaling.Creating solutions with robust monitoring and scaling strategies across hybrid and multi-tenant environments.Applying hands-on experience with Role-Based Access Control (RBAC) and establishing prompt and response guardrails.Communicating effectively, documenting solutions, and engaging stakeholders.Requirements: Advanced conversational proficiency in both English and Spanish is essential (candidates will be evaluated). If you are a foreigner residing in Mexico, please ensure you possess a valid INE, CURP, NSS, and RFC.Job Type: RemoteSalary: $110,000 grossBenefits: Outstanding superior benefits.

Join dandy as a Software Engineer II in our Practice Production team! This role offers the opportunity to contribute to innovative software solutions in a dynamic and collaborative environment. As a key member of our team, you will engage in the full software development lifecycle, from design and implementation to deployment and support.

Anyone AI is looking for Backend Developers to support projects for a leading AI laboratory. This fully remote position is open to candidates based in Mexico. The role centers on building and improving software tasks that drive AI research and development. What you will do Design and implement coding tasks that span multiple files, including fixing bugs, developing new features, refactoring existing code, and writing tests. Draft clear natural-language specifications and provide reference implementations to guide development. Develop and improve both unit and integration test suites to ensure software reliability. Review peer-generated tasks for accuracy, clarity, and practical relevance. Spot edge cases, ambiguities, and possible failure points in tasks and code. Make sure that specifications, code, and expected results remain consistent throughout the project. Engagement details This is a part-time, project-based consulting role. Contributors create and evaluate realistic software engineering tasks, such as resolving bugs and implementing features. Compensation is provided per project. The position offers flexible scheduling and allows for work with multiple clients.

Join Our Team as a Software Engineer II!Sezzle is on a mission to empower the next generation financially. We are transforming the shopping experience by integrating innovative technology with convenient, interest-free installment plans. Our goal is to make shopping smarter, more accessible, and impactful for both consumers and merchants. By enhancing payment methods, we are redefining the way people discover and purchase their favorite items while boosting merchant sales through improved conversion rates and higher order values. If you are passionate about pushing the boundaries of technology and creating a unique shopping journey, we invite you to be part of our dynamic team at Sezzle!

Salary Range: $1,500 - $2,700 per month (Gross in USD)About Sezzle:Sezzle is on a mission to financially empower the next generation. We are transforming the shopping experience by seamlessly integrating cutting-edge technology with innovative, interest-free installment plans. Our goal is to make shopping smarter and more accessible while enhancing merchant sales through increased conversions and higher order values. Join our dynamic team as we redefine how consumers discover and purchase their favorite products, creating a unique shopping journey.About the Role:We are looking for an enthusiastic and driven Junior Software Engineer to join our rapidly growing team. This role offers an exciting opportunity for personal and professional development in a fast-paced environment. As a Junior Software Engineer, you will play a vital role in the design, development, and implementation of software solutions. You will be responsible for writing high-quality code, documentation, and ensuring compliance with coding standards and technical design.Compensation:The compensation for this entry-level role, requiring 0-3 years of experience, ranges from $1,500 to $2,700 per month, reflecting the foundational skills and potential for growth within the role.Interview Process:At Sezzle, we prioritize transparency and regular feedback throughout the interview process. Each step is designed with clear expectations, but advancement is not guaranteed.Application submitted (you are here)Wonderlic test (30-40 min)Coding assessment (~1.5 hours)Interview with recruiters (30 min)Interview with engineers (1 hour)Interview with engineering leadership (30-45 min)Offer!Sezzle Technical Stack:Golang backend, React / React Native front-end

ALTEN Mexico is a proud member of the ALTEN Group, a distinguished global leader in engineering and technology consulting. With over three decades of expertise, ALTEN Group operates in 30 countries and houses a workforce of more than 46,000 engineers across diverse sectors. ALTEN Mexico delivers an extensive array of engineering services, encompassing concept development, design, product development, and implementation.We are currently in search of an innovative and motivated Junior Service Designer to join our Feature Team.In this role, you will engage with cross-functional teams to conceptualize and develop service features for software applications and systems. Your contributions will involve analyzing and assessing service requirements, creating service design deliverables, and collaborating closely with software engineers and designers to bring service features to fruition.Your key responsibilities will encompass:1. Support for Functional Safety Processes (ISO 26262)Assist in executing functional safety lifecycle activities under guidance and contribute to the development and upkeep of vital documentation, including the Safety Plan, Safety Case, and audit reports.2. Technical and Risk AnalysisSupport the execution of Hazard Analysis and Risk Assessment (HARA) to identify safety functions and determine ASIL levels, while also aiding in the creation and revision of FMEAs and Fault Tree Analyses (FTA).3. Requirements Management and TraceabilityDraft, organize, and manage both technical and safety requirements, ensuring traceability between requirements, design elements, test cases, and verification activities.4. Integration and Validation SupportCollaborate with validation teams to guarantee that test activities address safety objectives and review test outcomes (HIL and vehicle testing) from a functional safety standpoint.5. Technical Problem SolvingAct as a contributing member of the first-response team for incident analysis, applying root cause analysis methodologies to reported safety, quality, or warranty issues.6. Technical Coordination and CommunicationServe as a supportive link between engineering teams (Systems, Software, Hardware, Validation) regarding functional safety topics and participate in technical reviews and “Voice of the Customer” sessions.7. Benchmarking and Continuous ImprovementConduct benchmarking analysis of competitor safety systems and functionalities, documenting and supporting the implementation of lessons learned.

Join ALTEN Mexico as a Junior Java Developer and become an integral part of our team dedicated to engineering and technology solutions. You will engage in innovative projects across diverse industries, including Automotive, Energy, Aeronautics, Banking, Telecommunications, and more.In this role, you will be accountable for the development, integration, and modernization of software tools essential for validation and automation processes.The position necessitates a strong technical grasp of Java, backend architectures, integration with DLLs (JNI/JNA), validation flow automation, communication between heterogeneous tools, and connection with NI or dSPACE platforms. Additionally, you will ensure delivery quality by adhering to best development practices, testing, documentation, and traceability via GitHub and Rally.

anyone-ai is looking for a Mathematics AI Training Specialist based in Mexico to help develop STEM training datasets for advanced AI models. This fully remote position centers on building resources that strengthen AI reasoning in technical fields. Role overview The main responsibility in this role is to create challenging mathematical problems. Each problem should be carefully designed to test the capabilities of sophisticated AI systems. Problems must have one clear, verifiable answer and include a full, validated solution. What you will do Develop rigorous mathematical questions for AI training datasets Ensure each problem has a single correct answer Provide complete and validated solutions for every problem Impact Your work will directly support the improvement of AI reasoning across technical domains, helping to advance the performance of AI models used in STEM applications.

At Varicent, we're not just revolutionizing the Sales Performance Management (SPM) landscape—we're reshaping the way organizations achieve revenue excellence. Our innovative SaaS solutions empower revenue leaders across the globe to craft smarter go-to-market strategies, enhance seller performance, and tap into uncharted potential. Varicent is recognized as a leader in the 2025 Forrester Wave Report for SPM, 2023 Ventana Research Revenue Performance Management (RPM) Value Index, Gartner Peer Insights, 2024 Gartner SPM Market Guide, and G2. Our solutions are trusted by a diverse array of global industry leaders, including T-Mobile, ServiceNow, Wawanesa Bank, Shaw Industries, Moody's, Stryker, and many more. Here’s why you’ll thrive at Varicent:Innovate with Purpose: Create impactful solutions for customers worldwide.Join Excellence: Collaborate within a diverse, innovative team.Shape the Future: Lead initiatives that redefine revenue optimization.Grow Together: Unlock your potential in a supportive environment.Join us at Varicent—where your talent and ambition align with limitless opportunities for success!

At Varicent, we are not merely transforming the Sales Performance Management (SPM) market; we are revolutionizing how organizations achieve revenue success. Our innovative SaaS solutions empower revenue leaders worldwide to craft smarter go-to-market strategies, enhance seller performance, and unveil untapped potential. Recognized as a market leader in the 2025 Forrester Wave Report for SPM, 2023 Ventana Research Revenue Performance Management (RPM) Value Index, Gartner Peer Insights, 2024 Gartner SPM Market Guide, and G2, our solutions are trusted by a diverse array of global industry leaders including T-Mobile, ServiceNow, Wawanesa Bank, Shaw Industries, Moody's, Stryker, and many more. Here’s why you’ll excel at Varicent:Innovate with Purpose: Craft impactful solutions for customers globally.Join Excellence: Collaborate within a diverse and innovative team.Shape the Future: Take the lead in redefining revenue optimization.Grow Together: Realize your potential in a supportive environment.Become a part of Varicent—where your talents and aspirations meet boundless opportunities for success! As a Senior Software Developer, GenAI at Varicent, you will play a crucial role in building and scaling production-grade AI systems that significantly influence how our customers utilize and experience our offerings.

ALTEN Mexico is a premier engineering firm renowned for delivering cutting-edge solutions tailored to engineering, technology, and product development projects. Our commitment spans multiple industries including Automotive, Energy, Aeronautics, Banking & Insurance, Telecom & Multimedia, and Rail, providing comprehensive services from project design and development to testing, validation, programming, implementation, and manufacturing.As a proud subsidiary of the ALTEN Group, we collaborate with international clients and are currently seeking an Electronic Validation Engineer to ensure that alternative electronic components replacing End-of-Life (EoL) parts uphold all functional, safety, reliability, and compliance standards within automotive Electronic Control Units (ECUs). This role involves conducting risk-based delta validation, designing and executing test plans, analyzing results, preparing detailed technical reports, and collaborating with cross-functional teams utilizing tools such as JIRA, PLM systems, CANoe/CANalyzer, Siemens Capital, Altium, and Ansys.

At Varicent, we are revolutionizing the Sales Performance Management (SPM) landscape by empowering organizations to achieve unparalleled revenue success. Our state-of-the-art SaaS solutions enable revenue leaders worldwide to craft innovative go-to-market strategies, enhance seller performance, and uncover hidden potential. Recognized as a trailblazer in the 2025 Forrester Wave Report for SPM, 2023 Ventana Research Revenue Performance Management (RPM) Value Index, Gartner Peer Insights, 2024 Gartner SPM Market Guide, and G2, Varicent’s solutions are trusted by industry giants including T-Mobile, ServiceNow, Wawanesa Bank, Shaw Industries, Moody's, and Stryker. Here’s why you’ll thrive at Varicent:Innovate with Purpose: Create impactful solutions for customers across the globe.Join Excellence: Collaborate within a diverse and innovative team.Shape the Future: Take the lead in redefining revenue optimization.Grow Together: Unlock your full potential in a supportive environment.Join us at Varicent, where your skills and ambitions converge with endless opportunities for success! At Varicent, we believe that exceptional individuals drive exceptional companies. As our Senior Software Developer, GenAI, you will play a pivotal role in developing and scaling production-grade AI systems that significantly enhance customer experience.

About Doctoralia Doctoralia connects millions of patients with healthcare specialists, aiming to improve the healthcare experience through technology. As a leader in the Mexican market and a global reference for SaaS solutions in the medical field, Doctoralia works to make clinical practice more efficient and patient-centered. Position: AI Sales Executive Location: Mexico City What You Will Do Develop and execute sales strategies focused on artificial intelligence technologies for the healthcare sector. Identify and pursue new business opportunities, expanding Doctoralia’s client base. Guide clients through the adoption of advanced digital solutions, helping them transform their clinical practices. Act as a consultative advisor, ensuring each client receives solutions tailored to their needs. Build and strengthen business relationships within the healthcare industry. Who We’re Looking For Sales professionals with a strategic vision and a drive for results. Experience in acquiring new clients and managing relationships, ideally within the healthcare or technology sectors. Interest in artificial intelligence and digital transformation in healthcare. This role offers the chance to play a key part in Doctoralia’s growth and to help shape the future of healthcare through technology.