Join Provectus as a Machine Learning Solution Architect where you'll leverage your expertise to design and implement cutting-edge machine learning solutions. In this role, you will collaborate with cross-functional teams, engage with clients, and drive innovative projects that enhance our capabilities in artificial intelligence.

Join our innovative team at Inetum2 as a Machine Learning Engineer. In this role, you will harness your expertise in artificial intelligence algorithms and data science to develop cutting-edge machine learning models that drive our business solutions. We are looking for a passionate engineer who thrives in a fast-paced environment and is eager to solve complex challenges.

Join our innovative team at Experian as a Machine Learning Engineer. In this role, you will leverage your expertise in machine learning and data science to develop cutting-edge algorithms and models that drive our business strategies and enhance our products.We are looking for a passionate engineer who can collaborate with cross-functional teams to implement and optimize machine learning solutions. Your contributions will be pivotal in transforming data into actionable insights.

This Senior Machine Learning Engineer position is based in Colombia and follows a hybrid work model. Role overview This role centers on designing, developing, and maintaining software solutions that use machine learning. The position involves collaborating with teams from different backgrounds to understand business needs and translate them into scalable, efficient applications. Senior engineers in this role lead technical projects, provide guidance to junior team members, and help improve development practices to deliver reliable systems. Main responsibilities Design, build, and deploy scalable machine learning models and pipelines throughout the machine learning lifecycle. Develop and refine data processing workflows using Python, SQL, and distributed tools such as PySpark. Deploy and monitor machine learning models in cloud environments, focusing on performance, reliability, and scalability. Work with cross-functional teams to address business problems using data-driven approaches and improve model performance. Work mode This is a hybrid role, combining on-site and remote work in Colombia.

Join inetum2 as a Machine Learning Engineer and play a pivotal role in developing innovative solutions that leverage machine learning and artificial intelligence. You will collaborate with cross-functional teams to design, implement, and optimize machine learning models that drive data-driven decision-making.

About Us: At Wizeline, we are a pioneering technology solutions provider specializing in AI-driven digital products and platforms. We collaborate with our clients to harness the power of data and artificial intelligence, fostering business transformation and expediting market entry. Our global community of innovators is dedicated to cultivating a culture of growth, collaboration, and impact. With the right talent and innovative ideas, there are no boundaries to what we can accomplish! Are You the Right Fit? If this opportunity excites you, let’s see if you align with our expectations for this role:

At Provectus, we empower businesses to leverage machine learning and artificial intelligence to redefine operational efficiency, enhance competitive edge, and maximize value creation. Our primary objective is to develop robust ML infrastructures that facilitate comprehensive AI transformations. We guide organizations in identifying optimal AI use cases and scaling their AI strategies across various sectors, including Healthcare & Life Sciences, Retail & Consumer Packaged Goods, Media & Entertainment, Manufacturing, and Internet Services. We are on the lookout for an accomplished GenAI Technical Lead who possesses extensive expertise in Large Language Models (LLMs) and AWS Cloud services. In this pivotal role, you will spearhead the design and implementation of innovative AI solutions while leading a talented team of engineers. This position requires a blend of hands-on technical skills, strategic foresight, and effective team leadership to deliver cutting-edge products at scale.

At Provectus, we empower organizations to harness the transformative power of machine learning and artificial intelligence, redefining their operational dynamics, enhancing competitive advantages, and maximizing value creation. Our primary mission revolves around developing robust ML infrastructure that facilitates comprehensive AI transformations, guiding businesses in selecting optimal AI use cases, and scaling their AI efforts across various sectors including Healthcare & Life Sciences, Retail & CPG, Media & Entertainment, Manufacturing, and Internet enterprises. As a Senior Machine Learning Engineer, you will be presented with abundant opportunities for professional development and career advancement. Join us in our mission to create a brighter future for everyone!

Join Loka Inc. as a Data and Machine Learning Intern, where you'll have the opportunity to work alongside experienced professionals in an innovative environment. This role will provide you with hands-on experience in data analysis, machine learning algorithms, and real-world problem-solving. You'll be involved in exciting projects that will enhance your skills and knowledge in data science.

Role overview N-iX seeks a Lead AI/ML Engineer to join the team from Colombia or anywhere in LATAM. The role centers on designing, evaluating, and enhancing AI-powered solutions for clients. Projects often involve building intelligent systems that use retrieval-augmented generation (RAG) and natural language processing (NLP) technologies. What you will do Develop and scale AI-driven systems, focusing on RAG-based and NLP applications. Guide clients through technical discovery and architectural decisions related to AI adoption. Collaborate with stakeholders to design solutions that streamline business operations and improve efficiency. Extract actionable insights from data, balancing scalability, quality, and cost-effectiveness. Location This role is open to candidates based in Colombia or anywhere in the LATAM region.

Join Amwell as a Senior Backend Engineer, where you'll play a pivotal role in developing cutting-edge healthcare solutions. As part of our dynamic team, you will design and implement robust and scalable backend systems that support our telehealth platform. Your expertise will directly impact the delivery of critical healthcare services!

Join Boldteam as a Senior Backend EngineerFounded in May 2019, Boldteam is a dynamic fintech startup created by a group of exceptional individuals with unparalleled experience, including the creators of PayU Latam and other technology experts. We are dedicated to developing innovative payment and banking solutions for small and medium-sized enterprises (MiPymes), freelancers, and entrepreneurs across Colombia. To date, we have successfully served over 450,000 clients and secured more than USD $120 million in investment funding from both domestic and international sources, establishing ourselves as one of the fastest-growing fintech startups in Latin America.At Bold, we offer a payment solution that enables micro-entrepreneurs to accept card payments and digital wallets through point-of-sale terminals and payment links. However, our vision extends beyond payments; we aspire to become a comprehensive platform offering financial and technological services tailored for small businesses, integrating payment solutions with an array of complementary software products that enhance our value proposition.Our mission is to unlock the potential of entrepreneurs. We firmly believe in empowering small business owners by providing customized financial and technological services that are accessible and user-friendly.Our organizational culture is founded on core values that include Mastery, Critical Thinking, Teamwork, Urgency, Openness, and a Customer-Centric Approach.For more information about Boldteam, visit our website: https://bold.co/Role OverviewAs a Senior Backend Engineer, you will be instrumental in building the core products of Boldteam. You will collaborate with your team to develop APIs and services designed using serverless and self-service architectures, utilizing Python as your primary programming language. We are seeking developers to join our Banking and Payments teams.Your role will involve close collaboration with Frontend Developers, Mobile Developers, DevOps specialists, and Testers to ensure that our standards are met within an agile and lean environment.Key ResponsibilitiesUtilize Python in your daily tasks.Design, build, and maintain APIs deployed on AWS.Create and maintain unit and integration tests.Contribute to architectural decisions and selection of tools and processes.Provide constructive feedback and insights.Thrive in a fast-paced and ambiguous environment.Benefits‍ Prepaid medical assistance Company stock options

About AddiAt Addi, we are pioneering a transformative financial platform that redefines payments, shopping, and banking—creating an ecosystem where consumers and merchants engage in seamless transactions and thrive collectively. Currently, we cater to more than 2 million customers and collaborate with over 20,000 merchants, establishing Addi as Colombia's premier and fastest-evolving marketplace.Embracing a cutting-edge, technology-first philosophy, we offer an array of banking solutions (including deposits, payments, and unsecured credit) alongside commerce services (e-commerce and marketing), effectively bridging the financial divide for millions and reshaping the notion of financial freedom. As the foremost provider of Buy Now, Pay Later solutions in the country, we have obtained regulatory approval to function as a bank, thereby unlocking even more extensive opportunities for our clientele. Over the past year, we have successfully reached profitability, underscoring our robust business model and our capacity to scale sustainably.Our mission has garnered the confidence of leading investors, such as Andreessen Horowitz, Architect Capital, GIC, Goldman Sachs, Greycroft, Monashees, Notable Capital, Quona Capital, Union Square Ventures, Victory Park Capital, and others, who support our vision for a progressive future. With their backing, we are not just experiencing growth—we are revolutionizing Latin America's financial landscape and crafting a new era for shopping, paying, and banking in Colombia.What distinguishes us is our approach to building. We are a conscientious company, fueled by extensive expertise in scaling technology, services, and products, and we embody our core values daily.About the RoleThis is where your journey begins. Below, you will uncover the essence of this role—the impact you will make, the challenges you will confront, and the qualities necessary to excel at Addi. If you are prepared to be part of something substantial, continue reading.What You Will DoAssume end-to-end ownership and manage the software you design, develop, test, and deploy into production.Collaborate closely with cross-functional teams to deliver high-quality software solutions.

Truelogic, based in New York, offers nearshore staff augmentation and has spent over 20 years supporting digital transformation for a diverse client base. The company’s team of more than 600 technology professionals partners with U.S. organizations, ranging from Fortune 500 firms to startups, to deliver technology projects across Latin America. This Senior Backend Engineer role is part of a team working for a major Mass Media and Broadcasting client. The client’s projects reach millions of users worldwide, especially during high-profile events, and require digital experiences that perform reliably at scale. The engineering group blends creative and technical expertise to help businesses respond to changing consumer needs, new technologies, and artificial intelligence. Role overview The Senior Backend Engineer will focus on building and maintaining the core backend infrastructure. This work goes beyond typical API development, requiring experience with systems that deliver low latency, high throughput, and high availability. Downtime is not an option in these environments. Main responsibilities Design and implement scalable, event-driven backend architectures for live-streaming data, interactive fan engagement, and real-time notifications. Develop type-safe backend services using Node.js and TypeScript, emphasizing performance and maintainability. Manage persistent live connections at scale with Socket.IO, ensuring reliable data flow between servers and clients during periods of peak demand. Location This position is based in Bogota.

Location: Fully Remote (U.S. time zone overlap preferred)Type: Contract (Full-Time Preferred)Domain: Payments / Fintech / eCommerce InfrastructureAbout the ProjectJoin us in our ambitious drive to modernize a rapidly growing digital commerce platform that emphasizes payment orchestration, gateway optimization, and API-driven architecture.While familiarity with orchestration platforms like Gr4vy, Stripe, etc. is advantageous, it is not a prerequisite. However, extensive experience in the payments field is essential.About the RoleWe are looking for a seasoned Backend Engineer to spearhead our payment modernization initiative. You will collaborate closely with the CTO to develop and integrate sophisticated payment orchestration systems and establish direct connections to Payment Service Providers (PSPs).Responsibilities Build and maintain API integrations with various PSPs. Implement intelligent payment routing logic. Develop robust webhook handlers. Implement secure tokenization flows. Support complex subscription billing logic. Ensure system resilience, observability, and effective error handling.Requirements Minimum 6 years of backend development experience. Proficient in one or more programming languages: Node.js Java Python Go Extensive experience in REST API integration. Solid knowledge in webhook processing. Proven expertise in the payments domain is mandatory. Strong understanding of: Authorization/Capture flows. Refund management. Chargeback lifecycle. Subscription billing.Benefits High-impact architecture project. Executive visibility on project outcomes. Competitive contract compensation. Flexible remote work structure. Defined project scope and timelines. Opportunity for long-term engagement. Technical ownership of your work.

About DaCodesAt DaCodes, we are committed to delivering transformative software solutions tailored for startups and established companies in LATAM and the U.S. Our team comprises seasoned professionals who prioritize ownership, technical prowess, and exceptional engineering standards.Role OverviewWe are seeking a Senior Backend Engineer with a keen emphasis on integrations, adept at designing, executing, and sustaining robust, scalable, and secure backend systems, primarily utilizing Node.js, APIs, and event-driven architectures. This position demands a profound comprehension of backend engineering, protocols, concurrency, and security.Why This Role is Exciting Engage with complex backend systems and real-world integrations (SaaS, APIs, ERPs) Tackle challenges related to scalability, reliability, and distributed systems Collaborate with a highly skilled team that values technical ownership Work closely with U.S.-based clients on impactful projectsKey Responsibilities Architect and implement robust backend integrations across various systems (SaaS, APIs, internal services) Develop and uphold secure, scalable REST APIs Design and manage event-driven systems (webhooks, asynchronous processing, retries, idempotency) Implement authentication and authorization mechanisms: OAuth2 (authorization code, client credentials) JWT (token validation, and security considerations) API Keys / HMAC when necessary Address real-world integration challenges: Duplicate events Out-of-order data Partial failures Debug and resolve production issues within distributed systems Ensure effective logging, monitoring, and error handling Engage in technical decision-making and trade-offs

Location: ColombiaWork Mode: Hybrid Role overview The Senior Go Backend Engineer - Cybersecurity position focuses on designing, developing, and maintaining backend software for cybersecurity solutions. This role involves close collaboration with teams across disciplines to understand business needs and turn them into scalable applications. Leading technical projects and mentoring junior engineers are key aspects of this position, along with a commitment to improving software development practices for dependable system delivery. What you will do Design and develop high-performance backend systems for cybersecurity platforms using Go (Golang). Architect and implement scalable microservices and cloud-native solutions with an emphasis on high availability and resilience. Build and maintain CI/CD pipelines, observability, and monitoring tools to support reliable operations. Collaborate with cross-functional teams, contribute to system design, and mentor engineers to promote best practices. Requirements Experience developing backend systems in Go (Golang). Background in building scalable microservices and cloud-native solutions. Familiarity with CI/CD, observability, and monitoring practices. Ability to lead technical projects and mentor junior engineers.

Salary Range: $50,000 - $120,000 per year (Gross in USD)About Sezzle:Sezzle is on a mission to financially empower the next generation by revolutionizing the shopping experience beyond just payments. We blend cutting-edge technology with seamless, interest-free installment plans, making shopping smarter and more accessible. Our innovative approach not only transforms the payment landscape but also redefines how consumers discover and engage with the products they love, driving substantial impacts on merchant sales through increased conversions and higher order values. Join us as we shape the future of fintech and retail, building a dynamic team dedicated to crafting a unique shopping journey that goes beyond mere transactions.About the Role:We are looking for a highly skilled and motivated Senior AI Engineer to join our rapidly growing team. This role offers an exciting opportunity to excel in a fast-paced environment with significant prospects for career advancement. You will design, develop, and deploy machine learning models that enhance our financial platform, creating scalable solutions for personalized recommendations, fraud detection, and credit risk assessment utilizing cloud services and proprietary algorithms.Your leadership will play a crucial role in integrating machine learning development and operations (MLOps) to automate and optimize the full lifecycle of our ML models. Collaborating with a team of engineers and data scientists, you will build large-scale, high-quality solutions that address various challenges within the shopping and fintech sectors, ensuring our AI-driven features remain robust, efficient, and scalable as we continue to grow.

Role overview Sezzle Inc. seeks an AI Engineer II to join the marketing team in Bogota, Colombia. The position centers on creating and applying artificial intelligence and machine learning solutions that enhance marketing efforts. What you will do Design algorithms that align with marketing objectives Analyze data sets to identify trends and actionable insights Develop and implement AI-based strategies aimed at increasing customer engagement Support the improvement of marketing campaign effectiveness through technology