AI Engineer Specialist - Customer Intelligence

Join the Inter Team!At Inter, we believe that every day is a new opportunity to shape the future through technology, connections, and innovative ideas. As a comprehensive Super App, we offer a wide range of digital banking solutions, investment options, credit facilities, insurance, and marketplace services for everyday needs. But there’s more: we are a dynamic team constantly evolving.This fast-paced environment opens the door to exciting new opportunities. Now is your chance to explore this intelligent approach to advancing your career. Join the #sanguelaranja family!About the Role and MissionAs an AI Engineer Specialist, you will be the technical reference in our journey towards AI transformation. Your mission will be to develop robust and scalable Generative AI Agents using Python or .NET. Beyond just coding, you will play a crucial role in architecting solutions that integrate Large Language Models (LLMs) into our corporate systems while simultaneously uplifting the technical standards of our team by mentoring fellow developers and promoting an AI-centric culture within engineering.Your Daily Responsibilities:Develop and deploy intelligent agents utilizing modern frameworks (LangChain or Semantic Kernel) integrated with models.Implement Retrieval-Augmented Generation (RAG) architectures to ensure that AI utilizes company data securely and accurately.Act as a technical reference: conduct code reviews, engage in pair programming, and lead internal workshops to empower the team in AI.Optimize prompts and model configurations to enhance AI performance.

Please submit your CV in English and indicate your English proficiency level. Mindrift connects specialists with project-based assignments to help technology companies assess, test, and improve AI systems. All work is project-based and does not constitute permanent employment. Role overview This freelance role is designed for electrical engineers with Python expertise who want part-time, flexible projects. Contributors support AI training and evaluation by tackling engineering challenges that require both domain knowledge and programming skills. What you will do Design computational engineering problems that reflect real-world processes Create Python-based problems for engineering calculations and simulations Develop tasks that require significant computation, often using numerical methods or iterative techniques Focus on system design, optimization, and analytical problem-solving Base assignments on current research challenges or practical engineering scenarios Validate solutions in Python, using standard engineering libraries Write clear problem statements and provide verified answers Requirements Degree in Electrical Engineering or a related discipline Proficiency with Python for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar tools is also valued At least two years of professional experience in applied work, research, or teaching Strong understanding of engineering constraints and practical approximations Excellent written English at C1 level or above Professional certifications (such as CMME, SAS Certifications, CAP) and international or applied project experience are considered a plus How projects work Apply Pass qualifications Join a project Complete assigned tasks Receive compensation Project commitment During active project phases, expect to contribute an estimated 10–20 hours per week, depending on project needs. Actual hours may vary. Compensation Contributors can earn up to $14 per hour, depending on the nature and complexity of the project. Pay rates may differ across assignments based on requirements and scope. This is a remote, project-based position open to candidates based in Belo Horizonte, State of Minas Gerais, Brazil.

Join the Inter Team!At Inter, we believe that the future starts every day through the technology you create, the connections you forge, and the ideas you share. We are a Super App offering comprehensive solutions in digital banking, investments, credit, insurance, a marketplace, and various daily services. But we are much more than that: we are a dynamic team in continuous evolution.With this pace, new opportunities arise. It’s your turn to explore this smart way to invest in your career. Join us and be part of the #sanguelaranja!About the Role and MissionAs a member of our Customer Intelligence team, you will work directly with Marketing Cloud, leading the squad responsible for meeting the needs of different departments, enhancing processes, and ensuring governance of the platform.Your Daily Responsibilities Will Include:Managing technological solutions using Marketing Cloud for growth, ensuring high performance, scalability, and security.Collaborating with business areas and other IT teams.Overseeing the squad's backlog, ensuring timely and quality deliveries.Defining and monitoring KPIs for platform performance, continuously seeking improvements and innovations.Working with data engineering teams to ensure data integration for personalized customer experiences.Ensuring data governance and compliance with LGPD.Encouraging innovation and evaluating new technologies.

Role overview Toloka AI seeks a freelance AI Trainer who combines civil engineering experience with strong Python programming skills. This contract position is fully remote, with work based in Belo Horizonte, State of Minas Gerais, Brazil. What you will do Guide and support others in civil engineering topics and Python programming as part of AI-focused projects. Help develop and refine methods for AI training. Apply your expertise to influence how new AI tools are built for the civil engineering field. Location This is a remote role tied to Belo Horizonte, State of Minas Gerais, Brazil.

Toloka AI seeks a freelance Mechanical Engineer with advanced Python skills to contribute to AI training projects. This contract position is fully remote and open to professionals located in Belo Horizonte or anywhere in the State of Minas Gerais, Brazil. Key responsibilities Integrate mechanical engineering expertise into AI training workflows Utilize Python for data processing, automation tasks, or model-related development Work closely with Toloka AI teams to align on project objectives and deliverables Remote work details This role offers full remote flexibility. Candidates must reside in Belo Horizonte or within the broader Minas Gerais region.

Toloka Annotators brings people from around the world into the process of building generative AI by involving them directly in data creation. The team helps shape AI systems with real-world input by connecting individuals to projects from top technology companies. Role overview This freelance, remote role centers on recording everyday household activities to help train AI vision models. The position welcomes candidates globally, including those in Belo Horizonte, State of Minas Gerais, Brazil. Work involves capturing point-of-view videos of routine home tasks such as washing dishes, vacuuming, walking the dog, or folding laundry. Payment is provided for each qualifying video submitted. What you will do Record hands-on household tasks in your home using a smartphone or camera. Document activities such as cleaning, laundry, washing dishes, and mapping out home layouts. Follow detailed instructions to ensure videos meet standards for quality, variety, and location. Requirements Equipment: Smartphone or camera that records at least 1080p resolution at 30fps or higher. Recording method: Mount the device at forehead or eye level, angled down to keep hands visible for an egocentric view. Software: Use the provided 'D&A' app to capture and upload all footage. Quality standards: Submit clear, stable, well-lit videos (minimum 15 seconds each) showing real, uninterrupted household tasks. Benefits Earn up to $5 per hour, depending on the project, while completing your regular household chores. Freelance, project-based work lets you choose tasks that fit your schedule. Play a part in improving how AI communicates and understands the world.

Join the Inter Team!At Inter, we believe that every day is a new opportunity to shape the future through the technology you create, the connections you foster, and the ideas you share. We are a Super App offering comprehensive solutions in digital banking, investments, credit, insurance, a marketplace, and other everyday services. But we are much more than that: we are a dynamic team continuously evolving.This pace brings forth new opportunities. Now it’s your chance to discover this intelligent way to invest in your career. Come and be part of the #sanguelaranja family!About the Role and MissionAs a member of the Customer Intelligence team, you will be responsible for developing and enhancing applications and microservices in .NET, ensuring quality, performance, security, and integration with other systems.Your Daily Tasks Will Include:Developing and maintaining APIs and microservices using C# and .NET (ASP.NET Core).Modeling RESTful APIs following the API First approach (Swagger/OpenAPI).Participating in code reviews and adhering to team coding and architectural standards.Writing automated tests (unit and integration) with xUnit, NUnit, or MSTest.Integrating services with relational and non-relational databases using ORMs (Entity Framework Core, Dapper).Implementing secure solutions using authentication/authorization (OAuth2, OpenID Connect, JWT).Documenting technical decisions and collaborating with the team on various projects.

toloka-ai is hiring a Freelance Junior Journalist - AI Trainer for remote work based in Belo Horizonte, State of Minas Gerais, Brazil. This role supports content creation and helps train AI systems. Responsibilities Provide accurate data and detailed feedback to help improve AI models Use AI tools and follow established workflows to complete content-related tasks Develop journalistic skills while working in a rapidly evolving field Requirements Interest in journalism and new AI technologies Willingness to learn and adapt as the field changes Strong ability to deliver clear, high-quality input and thoughtful insights

Please submit your CV in English and include your English proficiency level. This contract role supports toloka-ai through Mindrift, focusing on building and evaluating datasets that measure how well AI coding agents perform real-world developer tasks. The position is project-based and not a permanent employment opportunity. Role overview The Freelance AI Agent Evaluation Engineer creates and refines simulated development environments to test advanced AI models. The work centers on designing authentic scenarios that mirror the challenges developers face, ensuring that AI agents are thoroughly evaluated in realistic contexts. What you will do Build virtual companies from scratch, including codebases, infrastructure, and supporting materials like documentation, conversations, and tickets to establish convincing development histories. Curate and refine tasks drawn from different stages of the virtual company, draft prompts, set evaluation criteria, and ensure tasks are solvable and assessed fairly. Design assignments within isolated environments that resemble a developer's workstation, using a Linux machine equipped with development tools, MCP servers (repository, task tracker, messenger, documentation), and a working web application codebase. Write tests that accept all correct solutions while rejecting incorrect ones, carefully balancing strictness to avoid excluding valid approaches or allowing flawed solutions. Collaborate with AI agents to ensure tests catch real issues, support valid solutions, and do not miss poor ones. Review code generated by AI agents, analyze factors behind success or failure, and design edge cases and adversarial scenarios to challenge the models. Iterate on your work based on feedback from expert QA reviewers who assess your output against quality standards. What this role does not involve Data labeling Prompt engineering Writing code from scratch (the AI agent handles most coding; the focus here is on guidance and evaluation) Collaboration with AI models is central to this work. Crafting tasks that truly test advanced models requires both technical expertise and creativity in using these systems as part of the process. Location Remote , Belo Horizonte, State of Minas Gerais, Brazil

Toloka-AI seeks a Computer Science Specialist with advanced Python expertise to join AI-focused initiatives. This fully remote role is based in Belo Horizonte, State of Minas Gerais, Brazil, and centers on building impactful systems in artificial intelligence. What you will do Work closely with a team to design and develop AI-driven solutions Create and maintain Python-based systems that address practical challenges Contribute to projects that push forward AI capabilities at Toloka-AI Requirements Solid foundation in computer science principles High level of proficiency in Python programming Genuine interest in advancing AI with real-world applications Ability to collaborate effectively in a remote setting

Please submit your CV in English and indicate your English proficiency level. toloka-ai, through the Mindrift platform, offers project-based freelance work focused on evaluating, testing, and improving AI systems for leading technology companies. This is not a permanent position; assignments are tied to specific projects. Key responsibilities Create original optics challenges that reflect real research processes in physics. Design computationally intensive problems that require computer-based solutions. Develop tasks involving advanced reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics. Base problem sets on real-world research questions or practical scenarios in optics and physics. Document problem statements clearly and provide accurate, verified solutions. Requirements Degree in Physics (theoretical, experimental, or computational) or a closely related field. Minimum of 2 years in applied, research, or teaching roles. Experience with numerical simulation methods. Ability to construct problems that mirror authentic research approaches in physics. Creative mindset for developing problems across various physics domains. Knowledge of physics modeling and approximation techniques. Strong written English skills at C1 level or higher. Project workflow Apply Pass qualification steps Join a project Complete assigned tasks Receive compensation Time commitment During active projects, expect to dedicate approximately 10 to 20 hours per week. Actual hours may vary and are only required while a project is in progress. Compensation Rates are up to $14 per hour, depending on experience and the complexity of the tasks. Compensation may differ between projects based on their requirements. Location This freelance remote position is based in Belo Horizonte, State of Minas Gerais, Brazil.

Join our dynamic team as a Salesforce Marketing Cloud Developer Analyst III focused on enhancing customer intelligence. You will play a pivotal role in developing and implementing innovative marketing solutions, leveraging Salesforce Marketing Cloud to optimize customer engagement and drive business growth. Your expertise in data analysis and marketing strategies will be crucial in transforming insights into actionable plans that resonate with our customers.

Please submit your CV in English and indicate your English proficiency level. Mindrift, in partnership with toloka-ai, connects professionals to project-based AI assignments for major technology companies. Projects focus on testing, evaluating, and improving AI systems. All roles are project-specific and non-permanent. Role overview This freelance optical engineer position centers on supporting AI training projects by designing and validating computational physics problems. Assignments are project-based and may include tasks such as: Creating computational physics problems that reflect real research workflows Developing tasks requiring Python programming solutions, using libraries like Numpy, SciPy, or Sympy Ensuring problems are computation-intensive and cannot be solved manually within days or weeks Building multi-step reasoning challenges in areas such as mechanics, electromagnetism, thermodynamics, and quantum mechanics Basing problems on real research questions or practical physics scenarios Validating solutions with Python and established physics simulation libraries Documenting clear problem statements and providing verified solutions Requirements Degree in Physics (theoretical, experimental, or computational) or a closely related field Proficiency in Python for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar tools is a plus Minimum of 2 years of professional experience in applied, research, or teaching settings Background in numerical simulation methods Skill in designing problems that mirror authentic physics research Creative problem-solving across multiple physics domains Knowledge of physics modeling and approximation techniques Strong written English skills at C1 level or above Application process Apply Pass qualifications Join a project Complete tasks Receive payment Time commitment Estimated workload is 10 to 20 hours per week during active project periods. Actual hours may vary depending on project requirements. Compensation Contributors may earn up to $14 per hour, depending on expertise and pace. Compensation varies by project scope, complexity, and required skills. Other assignments on the platform may offer different pay rates based on their criteria. Location This is a remote position open to candidates based in Belo Horizonte, State of Minas Gerais, Brazil.

To apply, please submit your CV in English and indicate your English proficiency level. Mindrift connects experienced specialists with project-based AI work for leading technology companies. Assignments focus on testing, evaluating, and improving AI systems. These are freelance, project-specific roles rather than permanent employment. Role overview This freelance, remote position is available to candidates based in Belo Horizonte, State of Minas Gerais, Brazil. The work centers on designing and validating computational statistics problems that mirror real mathematical research and require Python programming to solve. What you will do Design original computational statistics problems inspired by real-world mathematical research workflows. Create challenges that require Python programming, using libraries such as Numpy, SciPy, and Sympy. Ensure problems are computationally intensive and not solvable by hand in a reasonable timeframe. Develop challenges involving complex reasoning in areas like number theory, combinatorics, graph theory, and numerical analysis. Base problem statements on authentic research questions or practical mathematical applications. Validate solutions in Python with standard mathematical libraries. Document problems clearly and provide verified, correct answers. Requirements Degree in Statistics or a related field. Proficiency in Python for numerical validation. Experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, other domain-specific libraries, Stata, or other programming languages is also acceptable. At least 2 years of relevant professional experience in applied, research, or teaching roles. Strong written English skills (C1 proficiency or above). Professional certifications (such as CMME, SAS Certifications, CAP) and experience with international or applied projects are a plus. How projects work Apply Pass qualifications Join a project Complete assigned tasks Receive payment Time commitment During active project phases, tasks typically require 10–20 hours per week. Actual workload may vary and is not guaranteed. This estimate applies only when a project is active. Compensation Contributors can earn up to $16 per hour, depending on experience and the pace of contributions. Pay rates may vary between projects based on their scope, complexity, and required expertise.

Toloka AI seeks a Freelance AI Trainer with expertise in both biology and Python. This remote role focuses on designing and delivering training sessions that help learners apply artificial intelligence to biological research and related applications. Role overview The Biology and Python Specialist will create educational content and lead sessions for a range of participants. The goal is to make complex AI concepts accessible and relevant within the context of biology. What you will do Develop and present training materials that connect AI techniques with real-world biological problems Engage learners through clear explanations and practical examples using Python Adapt content to suit different backgrounds and experience levels Requirements Strong background in biology Proficiency in Python programming Interest in education and technology This freelance position is open to candidates based in Belo Horizonte, State of Minas Gerais, Brazil, and offers full remote flexibility.

Mindrift connects subject matter experts with AI projects for leading technology companies, focusing on testing, evaluation, and improvement of AI systems. This is a project-based freelance role, not a permanent position. Role overview As a Mathematics & Python Specialist, freelance AI trainers work on a range of challenging projects. Tasks may include: Creating original computational mathematics problems that mirror real mathematical research workflows Designing problems that require Python programming to solve, often using libraries such as Numpy, SciPy, or Sympy Ensuring problems are computationally intensive and cannot be solved manually in a reasonable timeframe Developing problems involving complex reasoning in areas like number theory, combinatorics, graph theory, and numerical analysis Basing problems on real-world research challenges or practical mathematical applications Validating solutions in Python with established mathematical libraries Clearly documenting problem statements and providing verified solutions Requirements Degree in Mathematics (Pure or Applied) or a related field Proficiency in Python for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar tools is also accepted At least 2 years of professional experience, which may include applied, research, or teaching roles Experience with numerical methods and symbolic computation Ability to design problems reflecting authentic mathematical research workflows Understanding of computational complexity theory Strong written English skills (C1 level or higher) Process The process includes: Apply → Pass qualifications → Join a project → Complete tasks → Receive payment. Project commitment Tasks for this project are estimated at 10–20 hours per week during active phases. This is an estimate, not a guaranteed workload. Compensation Contributors may earn up to $14 per hour, depending on contribution level and pace. Actual rates may vary by project based on scope, complexity, and required expertise. Other projects on the platform may offer different earning opportunities. Please submit your CV in English and include your English proficiency level.

Mindrift connects chemistry specialists with project-based freelance opportunities focused on AI system development for leading technology companies. These roles involve short-term projects and do not represent permanent employment. Role overview This freelance position centers on creating and validating computational chemistry challenges for AI training. Tasks vary by project and may include: Designing original computational chemistry problems that reflect real-world research workflows Developing challenges that require Python programming, using libraries such as numpy, scipy, or chemistry-specific tools Ensuring problems are computationally intensive and cannot be solved manually within a reasonable timeframe Incorporating advanced reasoning in areas like physical chemistry, quantum chemistry, and molecular modeling Basing problems on authentic research questions or practical chemistry applications Validating solutions in Python using established computational chemistry methods Clearly documenting problem statements and providing accurate, verified solutions Requirements Degree in Chemistry or a closely related field Proficiency in Python for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or domain-specific libraries is also valued At least 2 years of relevant professional experience (applied, research, or teaching) Expertise in numerical methods as applied to chemistry Strong understanding of computational chemistry concepts and techniques Excellent written English skills (C1 level or higher) Project structure The process includes submitting an application, passing qualification steps, participating in a project, completing assigned tasks, and receiving payment. Tasks typically require 10–20 hours per week during active phases, though actual workload may vary by project. Compensation Contributors can earn up to $14 per hour, depending on expertise and pace. Actual rates may vary based on project scope, complexity, and required skills. Other projects on the platform may offer different compensation levels. Please submit your CV in English and indicate your English proficiency level.

Please submit your CV in English and specify your English proficiency level. Mindrift connects subject-matter experts with project-based AI work for technology companies. This is a freelance, project-based position, not a permanent role. Role overview The Freelance AI Trainer - Physics and Python Specialist creates and tests computational physics problems for AI systems. This work involves designing problems that reflect real research workflows and require Python programming to solve, often using libraries such as Numpy, SciPy, or Sympy. Problems should be complex enough that they cannot be solved by hand in a reasonable timeframe, and should draw from advanced topics in mechanics, electromagnetism, thermodynamics, and quantum mechanics. Each problem must be clearly documented, based on genuine research challenges or practical applications, and include accurate, verified solutions implemented in Python. Requirements Degree in Physics (Theoretical, Experimental, or Computational) or a closely related field Proficiency in Python for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar tools is a plus Minimum 2 years of professional experience in applied physics, research, or teaching Background in numerical simulation methods Ability to design problems reflecting real-world research in physics Creativity in developing problems across multiple physics domains Familiarity with modeling and approximation techniques in physics Strong written English skills at C1 level or higher How to apply Apply Pass qualification(s) Join a project Complete assigned tasks Receive compensation Time commitment Project tasks typically require 10–20 hours per week during active phases. Actual workload may vary depending on project needs. Compensation Earn up to $14 per hour, based on expertise and task completion rate. Compensation varies by project complexity, scope, and required skills. Other projects on the Mindrift platform may offer different earning potentials. Location This is a remote role for candidates based in Belo Horizonte, State of Minas Gerais, Brazil.

Toloka AI seeks a Strategy Consultant with expertise in AI training and evaluation. This is a remote role based in Belo Horizonte, State of Minas Gerais, Brazil. The focus is on advising organizations as they refine their AI strategies and enhance training programs. Key responsibilities Guide companies in shaping and improving their AI training and evaluation processes Offer insights to support informed decisions for AI-related projects Assist clients in building stronger AI capabilities and refining their methodologies Location This position is remote, with a focus on candidates in Belo Horizonte, State of Minas Gerais, Brazil.

Toloka Annotators is hiring an AI Training Specialist to help build global egocentric video datasets. This role is remote and based in Belo Horizonte, State of Minas Gerais, Brazil. Key responsibilities Annotate and review egocentric video data to support AI model development Collaborate with cross-functional teams to ensure data quality and accuracy Assist in preparing and refining training materials for AI systems Location This is a remote position based in Belo Horizonte, State of Minas Gerais, Brazil.