Join Anyone.ai as a Backend Developer and AI Trainer, where you'll have the opportunity to shape the future of artificial intelligence through innovative backend solutions. In this fully remote role, you'll collaborate with a dynamic team of AI experts to design, implement, and refine AI training systems that power our cutting-edge technologies.

Join Anyone AI, a pioneering company at the forefront of artificial intelligence, as we seek talented Full-Stack Developers to collaborate on innovative projects with a top-tier AI research lab.Key Responsibilities:Design and develop sophisticated multi-file coding assignments across various tasks such as bug fixing, feature development, refactoring, and testing.Compose clear, natural-language specifications and reference implementations for technical tasks.Create and enhance unit and integration test suites to ensure robust software quality.Critically review peer-generated tasks for accuracy, clarity, and realism.Identify edge cases, ambiguities, and potential failure points in code.Ensure that specifications, code, and expected outcomes are in alignment.Qualifications:Exceptional written proficiency in English.3 to 7 years of experience in software engineering.Strong command of Python and JavaScript/TypeScript, with familiarity in Java, C#, or Go.Experience in backend or full-stack development within production environments.Proficient in testing frameworks such as pytest, Jest, JUnit, xUnit, or Go testing.Demonstrated ability to debug and work with large, complex codebases.Experience with code reviews, refactoring, and production migrations.This is a part-time, project-based consultant role where you can manage your own schedule, use your preferred tools, and potentially work with other employers simultaneously (subject to their policies).

Anyone AI is on the lookout for talented Full-Stack Developers to collaborate on innovative projects with a top-tier AI laboratory. This role offers the unique opportunity to engage in expert evaluation tasks aimed at enhancing artificial intelligence systems.Engagement: This is a part-time, project-oriented consultant position where you will have the flexibility to manage your own schedule while working remotely.Responsibilities:Design and implement complex coding tasks focusing on bug fixes, feature enhancements, and testing.Produce clear documentation and reference implementations.Expand unit and integration testing frameworks.Review tasks generated by peers to ensure they meet quality standards.Identify edge cases and potential failure modes.Verify alignment between specifications, code, and expected results.

Anyone AI is on the lookout for talented software engineers to join our dynamic team as project consultants. This fully remote role allows you to apply your expertise in innovative and impactful ways.Key Responsibilities:Develop and implement multi-file coding tasks focusing on bug fixing, feature development, refactoring, and testing.Craft clear natural-language specifications and reference implementations.Create and expand unit and integration test suites to ensure code quality.Review peer-generated tasks for accuracy, clarity, and realism.Identify edge cases, ambiguities, and potential failure modes within projects.Ensure alignment between specifications, code, and expected outcomes.This position is structured as a project-based consultant role where you will be compensated per project. You have the flexibility to set your schedule, utilize your preferred tools, and may work with other clients concurrently.

Join the innovative team at Anyone-AI as a Software Engineering AI Trainer. In this exciting role, you will help shape the future of AI technology by mentoring aspiring software engineers across Latin America. Your expertise will guide our learners in mastering essential skills, fostering creativity, and applying knowledge in practical scenarios.If you are passionate about technology and education, and have a knack for teaching complex concepts in an accessible way, we want to hear from you!

Salary Range: $2,800 - $6,000 per month (Gross in USD)About Sezzle:Sezzle is dedicated to financially empowering the next generation by transforming the shopping experience. We integrate innovative technology with seamless, interest-free installment plans, enabling smarter and more accessible shopping. As we redefine payments, we also redefine how individuals discover, engage with, and acquire the products they love, ultimately enhancing merchant sales through increased conversions and higher order values. Join our vibrant team at Sezzle and be part of shaping the future of fintech and retail, where every transaction is more than just a purchase; it's a unique shopping journey.

Salary: The monthly compensation for this role ranges from 2,500 to 3,333 USD (Gross).About Sezzle:Sezzle is on a mission to financially empower the next generation by revolutionizing the shopping experience. By integrating advanced technology with seamless, interest-free installment plans, we make shopping smarter and more accessible. Our goal is to transform not just payments, but the entire journey of how people discover and purchase the products they love, driving real impact on merchant sales through increased conversions and higher order values. Join our innovative and dynamic team as we redefine the future of fintech and retail!About the Role:We are looking for a motivated and talented AI Engineer I who excels in both technical and interpersonal skills. This position offers an exciting opportunity to thrive in a fast-paced, dynamic environment and be part of a rapidly growing team with significant opportunities for professional development and increased responsibilities.As an AI Engineer I on the Applied AI team, you will play a key role in the development of platforms and systems that enhance Sezzle's AI-driven features. Your responsibilities will include creating AI-powered functionalities, developing intelligent automation systems, and integrating AI solutions into customer-focused products as well as internal tools.You will collaborate closely with senior engineers and cross-functional teams to identify areas where AI can deliver meaningful improvements—be it enhancing customer experiences, aiding decision-making, or automating complex workflows. This position is perfect for engineers at the start of their AI careers seeking hands-on experience with production-grade AI systems, along with opportunities to grow into leadership roles over time.

Anyone AI is looking for Backend Developers to join a fully remote team in Colombia. This role supports a major AI research lab, focusing on software engineering for advanced projects. What you will do Design and implement complex engineering solutions, including fixing bugs, developing new features, and improving code performance. Create clear specifications in natural language, along with reference implementations to guide development. Expand and improve unit and integration test suites to maintain code quality. Review tasks completed by peers to ensure accuracy and clarity. Identify edge cases and potential ambiguities in specifications and code. Verify that specifications match both the code and intended outcomes. Requirements Advanced written English skills. 3 to 7 years of experience in software engineering. Strong programming skills in Python and JavaScript or TypeScript. Familiarity with Java, C#, or Go is a plus. Background in backend or full-stack development within production environments. Experience with testing frameworks such as pytest, Jest, JUnit, xUnit, or Go testing tools. Ability to debug and work with large codebases. Hands-on experience with code reviews, refactoring, and migrations in production settings. Engagement details This is a part-time, project-based consultancy. Consultants manage their own schedules and may work with multiple clients, as long as they follow all client agreements.

Join our innovative team as an AI Software Engineer! This is a remote position tailored for talents within LATAM, offering part-time engagement with the potential for full-time opportunities or a side gig.About FutureproofingAt Futureproofing, we are dedicated to connecting exceptional engineers with cutting-edge startups that are creating transformative AI products. Our focus is on practical application, ensuring our engineers deliver real-world solutions rather than just theoretical concepts.We prioritize hands-on experience over traditional hiring methods, enabling our engineers to implement production-ready AI features and drive innovation across various sectors, including fintech and biotech.Your ResponsibilitiesRapidly develop and deploy Minimum Viable Products (MVPs).Engage directly with Large Language Models (LLMs), APIs, and AI-enhanced workflows.Utilize advanced tools like Copilot, Cursor, GPT, and Claude in your daily tasks.Contribute to AI-driven products within dynamic startups that are reshaping industries.Desired QualificationsA minimum of 5 years of experience in delivering production-quality products.Proficiency in modern programming languages such as JavaScript (including React and Node) and/or Python, with a strong ability to navigate across the technology stack.A passion for building innovative solutions from the ground up and thriving in uncertain environments.Experience in developing, experimenting with, or deploying AI technologies.A strong enthusiasm for AI and its integration into your coding practices.A self-motivated, meticulous, and results-driven mindset.Work EnvironmentFully remote work setup.Flexible commitment options: part-time, project-based, or side gig.Adaptable working hours with some overlap with US time zones.Why Choose Futureproofing?We provide applied AI training when necessary, focusing on LLMs, APIs, and workflow optimization to accelerate MVP delivery.We cover 100% of training costs.Our matching process is intentional, ensuring the best fit rather than relying on keyword filtering.We integrate engineers directly into startup teams, emphasizing output and speed of delivery.We adopt a developer-first approach, focusing on enabling engineers to excel rather than maximizing client volume.Continuous learning opportunities with optional certification paths.

Location: Colombia (fully remote) Type: Contract / Part-time Weekly Commitment: 20 hours Compensation: Up to $40 USD per hour Project Duration: 2 months, with possible extension Start Date: Immediate Role Overview anyone-ai focuses on producing high-quality STEM training data to advance the reasoning abilities of AI models used by top laboratories. The team is looking for specialists in Biology to craft complex, deterministic problems, each with a single, verifiable answer. These problems should reflect genuine scientific and analytical processes, and must include detailed, validated solutions. Projects may touch on molecular biology, genetics, systems biology, computational biology, bioinformatics, or related quantitative biology fields. What You Will Do Design advanced biology problems aimed at testing AI systems. Create deterministic tasks that have only one correct solution. Submit solutions that are comprehensive and thoroughly validated. Develop problems involving experimental reasoning, biological systems, computational analysis, or bioinformatics workflows. Work with Python and specialized tools relevant to biology or bioinformatics. Uphold high standards for rigor, reproducibility, and technical clarity. Requirements Bachelor's, Master’s, or PhD in Biology or a related life science. Experience in computational or quantitative biological analysis (research or industry). Proficiency with Python; experience in data analysis or bioinformatics workflows is a plus. Strong analytical skills and comfort with complex scientific problem-solving. Ability to generate original, challenging problems rooted in real biological practice. Excellent written English and strong attention to detail. Preferred Qualifications Background in molecular biology or genetics. Familiarity with bioinformatics tools. Self-motivated and able to meet deadlines independently.

Encora is seeking a Senior Software Engineer - AI to join the team in Colombia. This hybrid role focuses on building and scaling software solutions that support offensive security and penetration testing products. Role overview This position involves designing, developing, and maintaining advanced AI-driven systems. Collaboration with cross-functional teams is essential to understand business needs and transform them into effective, scalable applications. The role also includes leading technical projects, mentoring junior engineers, and refining development practices to deliver reliable software. What you will do Design, build, and scale distributed AI systems for security and penetration testing products. Lead the development of agentic AI features, such as LLM-driven workflows, RAG pipelines, and automated vulnerability detection. Oversee the full lifecycle of AI-powered features, including architecture, implementation, deployment, monitoring, and ongoing optimization. Guide architecture discussions, conduct code reviews, mentor engineers, and promote best practices in software development and cloud-native environments. Location and work mode Based in Colombia Hybrid work arrangement

Join Bold as a Marketing AI Trainer!Founded in May 2019 by a remarkable team with unique expertise, our founders include the creators of PayU Latam and other innovators in fintech. At Bold, we are dedicated to developing payment and banking solutions tailored for micro, small, and medium enterprises (MiPymes), freelancers, and entrepreneurs throughout Colombia. With over 450,000 registered clients and more than USD $120 million in national and international investment funds, we are recognized as one of the fastest-growing fintech startups in Latin America.At Bold, we provide micro-entrepreneurs with a comprehensive payment solution enabling them to accept debit and credit card payments as well as wallet transactions through point-of-sale devices and payment links. However, our vision extends beyond payments; we aspire to become a technology and financial services platform for small businesses, enhancing our payment solutions with additional software products aligned with our value proposition.Our mission is to unleash the potential of entrepreneurs. We firmly believe that we can assist small business owners in expanding their operations by offering user-friendly and approachable financial and technological services tailored to their needs.We uphold the following values as the foundation of our organizational culture: Mastery, Critical Thinking, Teamwork, Urgency, Openness, and putting the Customer at the center of everything we do.For more information about Bold, visit our website: https://bold.coThe RoleAs a Marketing AI Trainer, you will be responsible for designing, training, and optimizing AI agents focused on customer acquisition and conversion through conversational channels such as WhatsApp and Chat. Your mission is to convert incoming traffic into effective sales of Bold products (including POS devices, Payment Links, Digital Account Bold CF, and others), ensuring a smooth, persuasive, and automated sales flow.Key Responsibilities:Design Conversational Funnels: Build and optimize chat flows specifically tailored for the sales customer journey.

About UsAt Nubank, we are proud to be one of the largest digital financial platforms globally, serving over 122 million customers across Brazil, Mexico, and Colombia. Our mission is to simplify financial services and empower individuals, leading the transformation of financial experiences in Latin America. This is just the beginning of our vision for a vibrant future.As a publicly traded company on the New York Stock Exchange (NYSE: NU), we harness innovative technology, advanced data analytics, and a streamlined operational model to offer financial products that are accessible, straightforward, and user-friendly.Our achievements have earned us accolades from renowned global organizations, including Time's 100 Companies, Fast Company’s Most Innovative Companies, and Forbes’ World’s Best Bank. To learn more about us, visit our institutional page https://international.nubank.com.br/careers/.Nubank is seeking a Lead Software Engineer to spearhead innovative solutions and provide technical leadership within our agile teams. In this pivotal role, you will confront intricate challenges, influence our technical roadmap, mentor fellow engineers, and contribute to our mission of fostering inclusive teams while delivering outstanding customer experiences.For insights into our workplace culture, check out our blog.

Are you ready to elevate your career?Clara is the fastest-growing company in Latin America, providing an innovative solution that empowers businesses to manage their payments seamlessly. With a robust platform that supports over 20,000 businesses, we deliver agility and financial clarity through locally issued corporate cards, bill payments, financing options, and a scalable B2B platform.Supported by world-renowned investors, including top regional VCs and global funds, Clara is on a mission to build the financial infrastructure for high-performing organizations throughout the region. Join us in a dynamic environment that fosters your career growth and allows you to produce exceptional work alongside a passionate team spread across the Americas.Role OverviewWe are seeking a Developer Experience Engineer to transform the development landscape at Clara by creating a self-service platform that automates and streamlines infrastructure, deployments, and operations. Your mission will be to remove obstacles in the development lifecycle, empowering engineering teams to concentrate on delivering real business value.Key ResponsibilitiesDeveloper Experience & Self-Service PlatformDesign and maintain a developer portal (e.g., Backstage.io) as the central resource management hub.Develop abstractions and APIs to allow developers to provision resources autonomously.Create self-service workflows for establishing environments, configurations, and permissions.Generate reusable templates and blueprints for services, repositories, and pipelines.CI/CD & AutomationDesign, implement, and optimize highly automated CI/CD pipelines.Enhance build and deployment speeds through intelligent caching, parallelization, and optimizations.Implement GitOps and continuous deployment strategies with automated rollback capabilities.Automate testing processes (unit, integration, e2e) within pipelines.

About Sezzle: Sezzle is on a mission to financially empower the next generation, transforming the shopping experience with innovative technology that offers seamless, interest-free installment plans. We redefine how consumers discover and purchase their favorite products while significantly boosting merchant sales through better conversion rates and higher order values. As we continue to lead the evolution of fintech and retail, we are building a dynamic and innovative team focused on creating more than transactions—crafting unique shopping journeys. If you are passionate about pushing technological boundaries and enhancing consumer experiences, we invite you to join us at Sezzle and help shape the future of shopping! About the Role: We are looking for a skilled and enthusiastic Mobile Engineer at any level who combines technical expertise with emotional intelligence. This position offers a fantastic opportunity to excel in a fast-paced, collaborative environment with numerous career advancement opportunities. As a Mobile Engineer, you will tackle challenges in our most popular applications, directly impacting our customer experience and product offerings. You will collaborate closely with your team to develop new features and enhancements for our React Native-based mobile application. Additionally, you will support the mobile app as a platform, working alongside engineers from various teams to facilitate larger product launches. As your capabilities expand, so will your involvement in larger, more complex projects. Sezzle fosters a strong culture of promotion with clearly defined career paths in Engineering tailored to all levels. You will be part of a full-stack engineering team with diverse expertise.

anyone-ai develops specialized STEM training data for advanced AI models used by leading research labs. The Chemistry AI Training Specialist role focuses on designing and documenting intricate chemistry problems that push the boundaries of modern AI reasoning. This is a fully remote position based in Colombia. What you will do Create challenging chemistry problems that reflect real-world scientific methods. Develop deterministic tasks with single correct answers and thorough solutions. Design problems requiring deep reasoning and computational rigor. Use Python and, when needed, chemistry-specific tools or simulation software. Ensure all tasks are reproducible, technically sound, and clearly 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 with computational or quantitative chemistry workflows. Strong Python skills, including experience with scientific libraries. Deep understanding of modeling, numerical methods, and chemical problem-solving. Ability to craft original, challenging problems beyond standard textbook material. Excellent attention to detail and technical writing ability.

Join our dynamic team at nimblegravity as an outstanding AI Engineer in Medellin, Colombia, where your expertise in Generative AI can shine. We are seeking a candidate who is not only skilled in LLMs, RAG, Agents, and semantic search but is also enthusiastic about innovating in a collaborative and fast-paced environment.What You’ll Do:Create and implement cutting-edge AI solutions using Retrieval-Augmented Generation (RAG), embeddings, vector databases, and agent architectures for real-world automation.Develop intelligent, agent-driven systems for document processing, knowledge retrieval, and content generation, transforming unstructured data into actionable insights.Execute Model Context Protocol (MCP) and manage the integration of AI models into various applications.

Role Overview anyone-ai creates high-quality STEM training datasets to support advanced AI models. The work directly impacts reasoning and technical evaluation at leading AI labs. This fully remote position is open to candidates based in Colombia. The AI Training Specialist in Computer Science will design complex, deterministic problems with single, verifiable solutions. Each problem must include a thorough, validated answer. What You Will Do Develop advanced problems in algorithms, systems, theory, machine learning, and computational methods. Create tasks focused on code and logic that push the limits of modern AI systems. Deliver complete, verified solutions, using programmatic approaches when needed. Design multi-step tasks that mirror real-world technical and research processes. Maintain rigor, determinism, and reproducibility in every problem. Communicate clearly and professionally in English. Required Qualifications Bachelor’s, Master’s, or PhD in Computer Science or a closely related field. Strong research or industry background in computational problem-solving. Proficient in Python; experience with scientific or machine learning libraries is a plus. Deep understanding of algorithms, computational complexity, numerical methods, and software workflows. Proven ability to invent original, challenging problems that go beyond standard interview content. Excellent written communication and attention to detail. Preferred Experience Background in machine learning, formal methods, distributed systems, optimization, or scientific computing. Experience with benchmarking, technical evaluations, or assessment design.

Join Nubank as a Staff Software Engineer and become part of a team that is transforming the financial landscape in Latin America. With a focus on innovation and customer-centric solutions, you will play a pivotal role in designing and implementing high-quality software solutions that enhance user experience.