Machine Learning Engineer, Applied AI (Hybrid)

About Us At SimplePractice, we are committed to enhancing access to high-quality healthcare by providing health and wellness professionals with comprehensive tools designed for success in private practice. With over 250,000 providers relying on SimplePractice, our state-of-the-art software offers powerful solutions that streamline every aspect of practice ma…

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 anyone-ai as a Math AI Training Expert, where you will play a vital role in the development and enhancement of artificial intelligence systems focused on mathematical problem-solving. You will work closely with our team of experts to train AI models, ensuring they understand and solve a variety of mathematical concepts and problems efficiently.

Role overview Anyone AI seeks experienced software engineers based in Mexico for a remote, part-time consultancy. As an AI Software Engineering Trainer, the focus is on designing and evaluating realistic coding challenges for a major AI laboratory. This position centers on technical content creation and peer review rather than classroom instruction. What you will do Create complex, multi-file coding tasks that involve bug fixes, adding new features, refactoring, and generating tests. Write clear specifications and provide reference implementations to guide learners. Develop and refine unit and integration test suites to ensure code quality. Review tasks created by peers, checking for clarity, accuracy, and completeness. Identify edge cases, ambiguities, and possible failure points in assignments. Verify that specifications, code, and expected outputs remain consistent and correct. Requirements Exceptional written English communication. 3 to 7 years of hands-on software engineering experience. Strong expertise in Python and JavaScript or TypeScript. Familiarity with Java, C#, or Go is an advantage. Background in backend or full-stack development for production systems. Experience with testing frameworks such as pytest, Jest, JUnit, xUnit, or Go testing tools. Strong debugging skills and comfort managing large, multi-file codebases. Experience with code reviews, refactoring, and production migrations. Engagement details Part-time, project-based consultancy focused on expert-level evaluations. Fully remote role within Mexico. Expected outcomes Deliver high-quality, production-ready software engineering tasks that align with project requirements.

About Darwin AIAt Darwin AI, we are revolutionizing the way mid-market companies engage with their customers by harnessing the power of AI-driven digital workers through WhatsApp. Our innovative AI solutions automate critical business processes, including customer qualification, reactivation strategies, satisfaction surveys, appointment scheduling, and payment collection. As the sole no-prompt AI platform in the industry, Darwin AI empowers businesses to implement AI effortlessly, without the need for extensive technical knowledge or teams, ensuring smooth integration and immediate results. Join our dynamic team that is transforming the landscape of AI technology!Internship OpportunityWe are on the lookout for a driven and enthusiastic individual who is eager to help scale our business significantly and possesses a keen interest in technology and AI. This internship is perfect for those who wish to delve into the realms of software, AI, and B2B marketing.We invite ambitious and curious candidates who are passionate about making a meaningful contribution to our Marketing team.As a Marketing Intern, you will play a vital role in executing marketing campaigns, analyzing performance metrics, coordinating with freelancers, and managing marketing databases.

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.

This remote, contract position is open to candidates based in Mexico. The role requires a commitment of 20 hours per week, with compensation up to $40 USD per hour. The initial project runs for 2 months, with the potential for extension. Immediate availability is preferred. Role overview anyone-ai focuses on producing high-quality STEM training data for advanced AI models. As an Expert in Chemistry AI Training, you will design complex, deterministic chemistry problems that require a single, verifiable solution. These problems play a key part in evaluating and training AI systems at leading research facilities, and should demand strong reasoning, deep domain knowledge, and computational precision. Projects may involve computational chemistry, physical chemistry, analytical chemistry, chemical engineering workflows, or tasks that use specialized chemistry software tools. What you will do Develop challenging chemistry problems that reflect real scientific workflows. Create deterministic tasks with one correct answer, providing thorough, verified solutions. Focus on problems that require advanced reasoning and computational methods. Use Python and, when needed, domain-specific chemistry tools or simulation packages. Ensure all problems are reproducible, technically accurate, and well documented. Write clear, concise technical explanations in English. Requirements Bachelor's, Master's, or PhD in Chemistry or a related field. Background in research or industry involving computational or quantitative chemistry. Proficiency in Python and familiarity with scientific libraries. Strong understanding of modeling, numerical methods, and chemical reasoning. Ability to create original, complex problems that go beyond standard textbook examples. Excellent attention to detail and clear technical writing skills. Preferred qualifications Experience with specialized chemistry software tools.

At Darwin AI, we believe that individuals should focus on what only humans can do—empathy, creativity, and strategy. Everything else, the repetitive and tedious tasks, can be handled by AI. Discover more about us here.As an Operations Associate, you will work closely with the Head of Operations to ensure our processes are as intelligent as our technology. We are looking for a proactive individual with an ownership mentality who isn’t afraid to get their hands dirty and is eager to learn how to scale an AI startup from the inside.What Will You Do?1. Process Optimization: Identify flaws in current workflows and design and implement enhancements in Onboarding, Customer Success, and Support.2. Strategic Intervention: Directly engage with accounts needing assistance, proposing and executing solutions to enhance customer experience.3. Data-Driven Analysis: Utilize Excel/Sheets to analyze operational metrics and uncover improvement opportunities.4. Customer Voice: Gather critical user feedback to assist the product team in prioritizing the roadmap.5. Documentation: Create the "bible" of our processes to enable orderly team growth.

Join anyone-ai as a Physics AI Training Expert and be at the forefront of integrating artificial intelligence with physics education. In this fully remote role, you will leverage your expertise in physics and AI to develop and refine training programs that enhance learning experiences.

Anyone AI seeks experienced Python developers to join projects with a prominent AI laboratory. This role is fully remote and open to professionals based anywhere in Mexico. Key responsibilities Work closely with teams to design, build, and refine AI-driven solutions Develop and maintain clean, efficient Python code for both research and production settings Support projects that push the boundaries of artificial intelligence capabilities Location This position is remote within Mexico. Candidates must reside in Mexico to be considered.

Join Blend360 as an AI Engineering Lead and take the lead in driving innovative AI solutions. You will spearhead projects that leverage cutting-edge technologies to enhance our clients' business operations. Your expertise will guide a team of talented engineers, ensuring the successful execution of AI initiatives.

Encora is seeking a Senior AI Software Engineer based in Mexico to join its remote team. This full-time position calls for deep experience in AI workloads, natural language processing (NLP), large language models (LLMs), and voice API integration. The role centers on building and scaling automation solutions that use conversational AI technologies. Role overview This engineer will design, develop, and improve intelligent systems powered by LLMs. Responsibilities include architecting AI-driven solutions, integrating voice features, and optimizing model performance for production use. A strong background with AWS and hands-on experience with Claude are essential for success in this position. Requirements At least 7 years of relevant software engineering experience Expertise in AI workloads, NLP, LLMs, and voice APIs Proven practical knowledge of AWS Significant experience working with Claude Position details Full-time employment Remote work from anywhere in Mexico Job ID: 20891

Salary: Between $50,000 - $120,000 annually (Gross in USD)About Sezzle:Sezzle is on a mission to financially empower the next generation, transforming the shopping experience with innovative technology and interest-free installment plans. We are redefining how consumers discover and purchase products while significantly enhancing merchant sales through improved conversion rates and higher order values. Join our dynamic team to help shape the future of fintech and retail and create a unique shopping journey for our customers.About the Role:We are looking for a highly skilled and motivated Senior AI Engineer who combines top-tier technical expertise with emotional intelligence. This role offers the chance to excel in a fast-paced, innovative environment with ample opportunities for career growth.As a Senior AI Engineer, you will lead the design, development, and deployment of machine learning models that enhance our financial platform. You will create scalable machine learning solutions for personalized recommendations, fraud detection, and credit risk assessments, utilizing a mix of cloud services, open-source tools, and proprietary algorithms.Your leadership will be crucial in integrating machine learning development and operations (MLOps) to automate and optimize the lifecycle of our ML models. Collaborating with engineers and data scientists, you will build large-scale, high-quality solutions that tackle various challenges in the shopping and fintech sectors, ensuring our AI-driven features remain robust and scalable as we grow.

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.

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.

anyone-ai is looking for a Physics AI Training Specialist based in Mexico to help build high-quality STEM datasets for advanced AI models. This fully remote position centers on developing materials that support AI systems used by leading research labs. What you will do Design complex physics problems tailored for AI training and assessment. Write deterministic questions with a single, verifiable solution. Document each reasoning process in detail and provide validated, comprehensive solutions. Create problems that test deep physical reasoning and multi-step analysis, focusing on understanding over memorization. Use Python or other specialized tools to build simulations and computational workflows as needed. Deliver outputs that are technically accurate, reproducible, and clearly written in English. Requirements Bachelor’s, Master’s, or PhD in Physics or a closely related field. Background in theoretical, experimental, or computational physics from academia or industry. Proficiency in Python, including experience with scientific libraries like NumPy or SciPy. Strong skills in modeling, simulation, numerical methods, and tackling complex problems. Ability to create original and challenging problems that reflect real-world physics situations. Keen attention to detail and excellent technical writing skills in English. This role focuses on shaping the next generation of AI by developing rigorous, realistic physics challenges and solutions that push the boundaries of automated reasoning.

Role overview Mitratech is hiring a Senior AI Product Engineer to build new AI-driven features for our products. This role focuses on developing and integrating AI algorithms that address practical challenges and add value to our platforms. What you will do Design, implement, and assess AI algorithms for real-world applications Work closely with teams across engineering, product, and other functions Ensure smooth integration of AI solutions into existing platforms Location This is a remote position based in Mexico.

Role overview The Principal Engineer - Lead AI Engineer at Nagarro takes on a senior leadership role in Mexico City. This position guides the design and delivery of advanced AI solutions across several projects. The role sets technical direction, defines engineering standards, and ensures AI initiatives support business objectives. What you will do Lead the development and deployment of AI-driven systems for a range of projects Mentor engineers and encourage collaboration within the team Establish and uphold best practices in AI engineering Work directly with emerging AI technologies to address complex problems and drive efficiency Impact This role directly shapes Nagarro’s AI capabilities. The work influences both project results and the growth of the engineering team.

Join our dynamic team at ion as a Senior AI Copilot & Agent Platform Engineer! In this pivotal role, you will spearhead the development of cutting-edge AI solutions that enhance user interactions and streamline processes. Collaborate with a talented team of engineers and data scientists to design, implement, and optimize advanced AI systems that deliver exceptional results.

Role Overview anyone-ai produces high-quality STEM training data used by leading AI labs to strengthen scientific reasoning in artificial intelligence. This fully remote position is open to candidates based in Mexico. The team seeks Biology specialists who can create complex, deterministic problems with clear, verifiable answers, reflecting authentic scientific and analytical approaches. Solutions must be thorough and validated. Projects may span molecular biology, genetics, systems biology, computational biology, bioinformatics, or other quantitative biology fields. What You Will Do Create advanced biology problems designed to test and improve AI models. Develop deterministic tasks with a single correct answer. Deliver complete, verified solutions for each problem. Design tasks involving experimental reasoning and bioinformatics workflows. Work with Python and relevant biology or bioinformatics tools. Uphold high standards for rigor, reproducibility, and technical clarity. Requirements Bachelor's, Master's, or PhD in Biology or a related life science field. Background in research or industry, especially with computational or quantitative biological analysis. Proficiency in Python; experience with data analysis or bioinformatics workflows preferred. Strong analytical skills and experience with multi-step scientific problem solving. Ability to design original, challenging problems rooted in real biological practices. Excellent written English and close attention to detail.