AI Research Engineer - Robotics

Who We AreHelsing is a pioneering defense AI company dedicated to safeguarding democratic values. Our mission centers on achieving technological leadership, enabling open societies to make independent decisions and uphold their ethical standards.As advocates for democracy, we recognize our unique responsibility in the thoughtful advancement and application o…

NielsenIQ is hiring a Research Scientist in Madrid to focus on Generative AI and applied research. This position is dedicated to pushing AI capabilities further by conducting hands-on research and building new models that address practical challenges. What you will do Advance generative AI through original research and experimentation Develop and refine models for real-world applications Work closely with colleagues from different backgrounds to drive progress in applied AI Collaboration This role involves working with a multidisciplinary team. Expect regular collaboration with experts in other fields to ensure that new AI solutions are grounded in practical needs and can be effectively implemented.

NielsenIQ is seeking a Research Scientist specializing in Generative AI and Applied Research to join the team in Valladolid. This position centers on building advanced AI models that transform data into actionable insights. Role overview The Research Scientist will contribute to new research directions, supporting the development of AI-driven solutions tailored to client needs. The focus is on applying generative AI techniques to real-world data challenges and ensuring research outcomes have practical impact. Key responsibilities Develop and refine generative AI models for applied research projects Collaborate with colleagues to translate complex data into practical insights Support the creation of solutions that address client requirements Location This role is based in Valladolid.

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focusing on testing, evaluating, and enhancing AI systems. This role is project-based and does not offer permanent employment.Opportunity OverviewEach project presents distinct tasks, which may include:Crafting original computational physics problems that emulate authentic physics research workflows;Formulating problems that necessitate Python programming for resolution (utilizing Numpy, SciPy, Sympy);Ensuring challenges are computationally intensive, requiring more than just manual solutions within reasonable timeframes (days/weeks);Designing problems that demand intricate reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics;Utilizing real research challenges or practical applications from the field of physics as the foundation for problems;Validating solutions through Python and standard physics simulation libraries;Providing clear documentation of problem statements along with verified correct answers.Ideal Candidate ProfileThis opportunity is well-suited for physicists with Python expertise who are open to part-time, non-permanent projects. Preferred qualifications include:A degree in Physics (Theoretical, Experimental, or Computational) or related disciplines;Proficiency in Python for numerical validation; familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, and other domain-specific libraries is also acceptable;A minimum of 2 years of professional experience, including applied, research, or teaching roles;Experience with numerical simulation techniques;Capability to design problems that reflect actual physics research workflows;Inventive problem design across various physics domains;Understanding of physics modeling and approximation strategies;Strong written English skills (C1 or above).Application ProcessApply → Pass qualifications → Participate in a project → Complete assigned tasks → Receive payment.Project CommitmentTasks are anticipated to require approximately 10–20 hours per week during active phases, based on project needs. This is an estimate and not a guaranteed workload, applicable only during active project periods.Compensation DetailsContributors may earn up to $29 per hour, contingent upon their level of expertise and contribution pace. Note that compensation may vary across projects depending on their scope, complexity, and required skill sets.

Role overview This Research Scientist position at NielsenIQ focuses on Generative AI and applied research, based in Barcelona. The role leads projects that apply advanced AI techniques to deliver research results with real-world impact. Work centers on designing and implementing AI solutions that help advance industry knowledge and improve NielsenIQ’s products. Collaboration and impact In this role, collaboration is key. The Research Scientist works closely with a team of researchers and engineers, exploring new applications for AI technologies. The group aims to expand the possibilities of AI and strengthen the value of NielsenIQ’s offerings through innovative research and development.

About Axiomatic AI Axiomatic AI develops AI systems grounded in scientific rigor. By combining deep learning, formal logic, and physics-based modeling, the team builds interpretable and verifiable AI that supports human researchers in scientific and engineering work. Mission The company is working toward a 30× improvement in the speed, accessibility, and cost of semiconductor and photonic hardware development by 2030. The goal: transform hardware design and simulation, moving innovations from research into real-world applications. Role Overview: AI Research Scientist – Scientific Reasoning This position centers on developing reliable and trustworthy AI for scientific and engineering domains. The role involves designing verification pipelines, analyzing and curating data, benchmarking systematically, and diagnosing design issues to recommend improvements. Collaboration is key: the team includes Mathematicians, AI Engineers, Software Engineers, Lean4 developers, Physicists, and other AI scientists. What You Will Do Project Contribution and Technical Execution: Design and implement formalization and validation strategies for scientific applications. Innovation and Learning: Stay current with new research and technologies, integrating advances to strengthen product impact. Cross-Team Collaboration: Work closely with AI and development teams to integrate solutions, encourage open communication, and support technical quality. Knowledge Sharing: Share insights and best practices to support team learning and growth. Location Barcelona, Spain

Join the innovative team at Fundamental as a Senior Applied Research Engineer in Barcelona. In this pivotal role, you will leverage your extensive expertise in applied research to develop cutting-edge solutions that drive our projects forward. You will collaborate with a dynamic team of engineers and researchers, pushing the boundaries of technology to create impactful products.

Join anyone-ai as an AI Software Engineering Trainer, where you will play a pivotal role in shaping the future of AI education. Your expertise in software engineering and AI technologies will help guide aspiring professionals in mastering cutting-edge methodologies.As part of our innovative team, you will be responsible for developing and delivering training programs, creating engaging content, and mentoring participants to achieve their career goals in AI.

Mindrift seeks a Freelance AI Workflow Engineer to join the Tendem project as an AI Pilot. This part-time, remote role centers on building automation systems powered by Large Language Models (LLMs) in collaboration with Tendem Agents, who manage repetitive tasks. The focus is on prompt engineering, workflow design, and maintaining quality throughout each solution. Key Responsibilities Design and evaluate workflows using LLM APIs such as OpenAI, Claude, Gemini, or similar tools. Build and refine automation systems for tasks like content creation, enrichment, and communication. Develop and iterate on prompt frameworks to ensure consistent, high-quality workflow outputs. Create automated outreach systems, including email and messaging flows, and oversee lead enrichment processes. Organize and preprocess data to support stable model performance and reliable results. Review and optimize AI-driven pipelines for scalability, efficiency, and accuracy. Role Fit This freelance position suits professionals experienced in LLM integrations, prompt design, and AI automation. The part-time, remote structure offers flexibility for those with relevant expertise. Location Remote , València, Valencian Community, Spain

Mindrift is seeking talented AI Workflow Engineers to contribute to the Tendem project (https://tendem.ai/), where you will develop intelligent automation systems driven by large language models (LLMs) within a collaborative AI and human environment.In this position, referred to as an AI Pilot at Mindrift, you will work alongside Tendem Agents responsible for repetitive tasks. Your role will involve applying structured reasoning, prompt engineering skills, and quality assurance to create scalable and dependable AI-enabled workflows.This part-time remote role is perfect for professionals with practical experience in LLM integration, prompt design, and AI-driven automation systems.About MindriftThe Mindrift platform connects experts with AI projects from leading technology innovators. Our goal is to harness the capabilities of Generative AI by leveraging real-world expertise from around the world.Role OverviewThis freelance opportunity within the Tendem project requires you to design, construct, and enhance workflows that incorporate LLM APIs, establishing scalable systems for content generation, communication, and automation.Key ResponsibilitiesDesign and assess workflows that integrate LLM APIs (OpenAI, Claude, Gemini, or similar).Create and enhance AI-powered automation systems for content generation, enrichment, and communication.Develop and optimize prompt frameworks to ensure consistent, high-quality outputs throughout workflows.Establish systems for personalized automated outreach (email, messaging flows, lead enrichment).Structure and preprocess data to guarantee stable model behavior and reliable outputs.Analyze and enhance AI-driven pipelines for scalability, efficiency, and accuracy.

About Prosper AIProsper AI is at the forefront of innovation, specializing in AI Phone Agents designed for the healthcare sector. Our mission is to deliver human-like expertise while dramatically reducing operational costs. Our AI Agents efficiently manage a variety of tasks such as patient outreach, claims status inquiries, benefit verifications, prior authorizations, scheduling, and balance reminders. We are dedicated to eliminating $200 billion in administrative waste, enabling healthcare professionals to devote more time to patient care instead of administrative duties.Your RoleJoin us at Prosper as we redefine the capabilities of real-time AI technology. As a Software Engineer, your primary focus will be on designing and scaling our robust platform, including low-latency speech and LLM pipelines, orchestration layers, and reliability systems that empower our AI voice agents to engage in complex healthcare conversations with clarity and efficiency. This position is a full-time, on-site opportunity based in Barcelona with the potential for relocation to our New York office.Qualifications1-3 years of hands-on experience in developing end-to-end software solutions, from architecture to deployment.Proficiency in technologies that drive our stack, particularly FastAPI (Python) for backend development and React (TypeScript) for frontend.Experience in managing large-scale distributed systems with asynchronous workload orchestration.Familiarity with LLMs, AI agents, or other machine learning models is advantageous; we utilize Pipecat for our voice agents.A founder mindset: take ownership and work diligently, viewing Prosper as a stepping stone to your future entrepreneurial endeavors.Prepared to tackle the complexities of deploying AI voice agents for thousands of daily calls.Bachelor’s or Master’s degree in Computer Science, Engineering, Mathematics, Physics, or a related field (or equivalent experience).Interview ProcessInitial conversation to discuss your background, aspirations, and career goals (30 minutes).Completion of a take-home challenge to be reviewed in the subsequent interview.Discussion of your solution with our engineering team to evaluate your approach and thought process.

We invite you to submit your CV in English, including your level of English proficiency.Mindrift is at the forefront of connecting experts with project-based AI opportunities for top-tier technology companies, dedicated to testing, evaluating, and enhancing AI systems. Note that participation is project-based and does not imply permanent employment.Project OverviewEach project presents unique challenges, and contributors may be tasked with:Designing innovative computational physics problems that reflect authentic physics research workflows;Creating problems that necessitate Python programming solutions (utilizing Numpy, SciPy, Sympy);Ensuring that problems are computationally intensive, designed to be unsolvable manually within practical timeframes (days/weeks);Formulating problems that require complex reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics;Constructing problems based on real research questions or practical applications from physics;Validating solutions using Python alongside established physics simulation libraries;Providing clear documentation of problem statements and verified correct answers.Ideal Candidate ProfileThis role is well-suited for quantum researchers proficient in Python and open to part-time, non-permanent projects. The ideal candidates will possess:A degree in Physics (Theoretical, Experimental, or Computational) or a related field;Proficiency in Python for numerical validation; familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or any relevant programming language is acceptable;A minimum of 2 years of relevant professional experience, including applied, research, or teaching roles;Experience with numerical simulation methodologies;The ability to construct problems that reflect real-world physics research scenarios;Creative problem-solving skills across various physics domains;Familiarity with physics modeling and approximation techniques;Strong command of written English (C1+ level).Application ProcessApply → Pass qualifications → Join a project → Complete tasks → Get compensatedProject CommitmentThe estimated workload for this project ranges from 10 to 20 hours weekly during active phases, based on project requirements. This is an estimate, not a guaranteed workload.CompensationContributors can earn up to $29 per hour, contingent upon their level of expertise and contribution pace. Compensation may differ across projects based on their scope, complexity, and required skills. Please note that other projects may offer varying earning levels based on specific requirements.

About Stack AIStack AI is on a mission to make Large Language Models accessible to everyone through an intuitive no-code platform that seamlessly integrates leading AI models (OpenAI, Anthropic, Google), various data sources (OneDrive, Google Drive, Notion), and essential SaaS tools. With the backing of Y Combinator and Gradient Ventures, we have amassed thousands of users and secured hundreds of paying clients, including prominent public companies and unicorns.The RoleWe are seeking a talented Senior Frontend Engineer who excels in execution. This role focuses on optimizing and enhancing existing features rather than creating flashy new ones. You will collaborate closely with our Product Design team to transform detailed visual specifications into clean, production-ready code.Main Mission: Alleviate bottlenecks within our Product Design team by taking charge of incremental UX/UI enhancements to our current features and codebase.What You'll DoOptimize and enhance existing frontend code and features.Implement gradual UX/UI enhancements based on detailed design specifications (no design skills required).Work independently with minimal code review—your code should be clean and dependable enough for others to trust without hesitation.Collaborate with Product Designers and Engineers to ensure effective execution.Focus on impactful improvements that enhance product quality and user experience.Refactor and improve legacy code.What We're Looking ForMust-haves:Exceptional code quality: Produce clean, maintainable, and trustworthy code that requires minimal review.Strong execution: Ability to ship quickly and effectively.Senior-level experience: Over 5 years of experience with React, TypeScript, Next.js, and modern frontend technologies.Accountability: You take ownership of your decisions and act responsively.Autonomy: You can manage features from start to finish without needing guidance.Pragmatism: You are ready to engage in detail-oriented, iterative work critical to product success.Technical excellence: A mentor who can share knowledge rather than someone who needs to be taught.Nice-to-haves:Experience with additional frameworks or tools.Familiarity with agile methodologies.Passion for user experience and design.

We invite you to submit your CV in English, along with your level of English proficiency.Mindrift connects talented professionals with project-based AI opportunities for top technology companies, focusing on the testing, evaluation, and enhancement of AI systems. This is a project-based engagement, not a permanent position.Opportunity OverviewEach project presents unique challenges, and contributors may be involved in tasks such as:Crafting original computational engineering problems that emulate real-world engineering processes;Developing programming challenges using Python to carry out engineering calculations and simulations;Ensuring that problems are computationally demanding and necessitate numerical methods or iterative solutions;Creating scenarios involving system design, optimization, and analysis;Formulating problems based on genuine research challenges or real-world engineering applications;Validating solutions using Python with standard engineering libraries;Clearly documenting problem statements and providing verified correct answers.Candidate ProfileThis role is suitable for engineers with experience in Python, looking for part-time, non-permanent project work. Ideal candidates will possess:A degree in Electrical Engineering or related disciplines;Proficiency in Python for numerical validation. Familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or any programming language is acceptable;At least 2 years of professional experience, including applied, research, or teaching roles;A solid understanding of practical engineering limitations and approximations;Excellent written English skills (C1 or higher);Professional certifications (e.g., CMME, SAS Certifications, CAP) and experience with international or applied projects is a plus.Application ProcessApply → Pass qualifications → Join a project → Complete tasks → Get compensatedProject Time CommitmentTasks for this project are estimated to require approximately 10-20 hours per week during active phases, depending on project demands. This is an estimate and not a guaranteed workload.CompensationParticipants can earn up to $31 per hour, based on their experience and contribution pace. Compensation varies across different projects based on scope, complexity, and required expertise. Please note that other projects on the platform may offer different compensation levels based on their specific requirements.

Role overview Anyone AI seeks experienced software engineers to serve as AI Software Engineering Trainers. This is a remote, part-time consulting position for candidates based in Spain. Trainers collaborate with a prominent AI laboratory, shaping authentic engineering tasks and evaluating solutions for technical quality and depth. What you will do Create and implement multi-file coding challenges that cover bug fixes, new features, refactoring, and test development. Write clear, thorough specifications along with reference implementations. Develop and expand unit and integration test suites. Review peer-created tasks for technical accuracy and clarity. Identify edge cases, ambiguities, and potential failure points in both code and requirements. Ensure alignment between specifications, code, and expected outputs. Expected outcomes Deliver solutions that are production-ready and meet recognized industry standards. Requirements Exceptional written English for professional communication. 3 to 7 years of hands-on software engineering experience. Proficiency in Python and JavaScript or TypeScript. Knowledge of Java, C#, or Go is a plus. Background in backend or full-stack development for production environments. Experience with testing frameworks such as pytest, Jest, JUnit, xUnit, or Go testing tools. Ability to work with large, multi-file codebases and debug complex issues. Track record of code reviews, refactoring, and managing production migrations. Engagement details Part-time, project-based consulting arrangement. Fully remote role based in Spain.

Toloka AI seeks a freelance AI trainer with experience in civil engineering and Python programming. This role focuses on training AI systems by combining technical engineering knowledge with hands-on coding skills. Responsibilities Use civil engineering expertise and Python programming to support AI training projects. Handle a variety of assignments that help advance AI technology. Collaborate with an international team while working remotely. Location This position is fully remote, based in València, Valencian Community, Spain.

We invite you to submit your CV in English and indicate your English proficiency level.Mindrift offers a unique platform that connects talented specialists with project-based AI opportunities at leading technology firms, focusing on the testing, evaluation, and enhancement of AI systems. Please note that participation is project-based and does not constitute permanent employment.Role OverviewWhile each project presents distinct challenges, contributors can expect to:Design innovative computational engineering problems that replicate genuine engineering processes;Create scenarios that necessitate Python programming to resolve engineering calculations and simulations;Ensure tasks are computationally demanding and require numerical methods or iterative solutions;Develop challenges related to system design, optimization, and analysis;Base scenarios on authentic research challenges or practical engineering applications;Validate solutions using Python with established engineering libraries;Clearly document problem statements and provide verified correct answers.Ideal Candidate ProfileThis position suits engineers proficient in Python who are interested in part-time, non-permanent projects. Ideal candidates will possess:A degree in Mechanical Engineering or a related field;Proficiency in Python for numerical validation. Familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or any domain-specific programming languages is also acceptable;At least 2 years of professional experience in applied engineering, research, or teaching;A solid understanding of practical engineering limitations and approximations;Strong written English skills (C1+ level);Professional certifications (e.g., CMME, SAS, CAP) and experience in international or applied projects are advantageous.Project WorkflowApplication → Qualification Process → Project Engagement → Task Completion → PaymentProject Time CommitmentFor this project, participants can expect to dedicate approximately 10–20 hours per week during active phases based on project needs. This is an estimate and not a guaranteed workload while the project is active.CompensationContributors on this project can earn up to $31 per hour, depending on their expertise and contribution pace. Compensation will vary by project based on scope, complexity, and required expertise. Please note that other projects on the platform may offer different earnings based on their specific requirements.

Join Prosper AI as an AI StrategistLocation: Barcelona (On-site)Type: Full-timeAbout Prosper AIAt Prosper AI, we are revolutionizing healthcare through our innovative AI Phone Agents that provide human-like expertise while drastically cutting costs. Our AI agents streamline administrative tasks such as patient scheduling, claims status checks, and benefit verifications, aiming to eliminate $200 billion in administrative waste, thus allowing healthcare professionals to concentrate more on patient care.About the RoleAs an AI Strategist, you will be pivotal in deploying and optimizing our AI agents across some of the most intricate healthcare organizations globally. You will lead strategic initiatives from configuration to full-scale production, ensuring measurable impacts for our clients. Your insights will help refine our external deployments and internal best practices.Key ResponsibilitiesOversee the complete deployment of AI agents on Prosper AI’s platform for U.S. healthcare clients, including hospitals and clinics.Collaborate with clients and internal teams to map out administrative workflows and pinpoint areas ripe for AI-driven automation.Evaluate deployment performance data to identify challenges and promote continuous improvement.Create and enhance internal playbooks and frameworks to expedite future deployments.Transform complex operational challenges into actionable strategies that connect technology with healthcare operations.Who You AreHolds a Bachelor’s degree or higher in Computer Science, Engineering, Business, Economics, or a related field.Possesses strong analytical skills with the ability to dissect complex processes for AI impact.Demonstrates a passion for the convergence of AI, healthcare, and operations.Thrives in a dynamic startup environment with evolving priorities and significant ownership.Bonus: Familiarity with healthcare workflows, LLMs, automation tools, or enterprise software deployments is a plus.

Join the cutting-edge AI Special Forces team at Darwin AI! We are seeking a driven and enthusiastic AI Engineer who is passionate about leveraging technology to provide exceptional support to our clients. This role is ideal for individuals who thrive on solving complex problems and have a keen interest in the intricacies of technology and artificial intelligence.As an AI Engineer, you will be at the forefront of client interactions, serving as the primary resource for resolving challenges related to AI agents and their integration with external systems. Your responsibilities will involve direct communication with clients to address inquiries, troubleshoot issues, and collaborate with internal teams including Customer Success, Onboarding, Product, and Engineering to ensure timely and comprehensive resolutions. Your contributions are vital in fostering strong client relationships and enhancing the overall Darwin AI experience.Key Responsibilities:Promptly respond to customer inquiries through WhatsApp, email, and Slack, ensuring high levels of satisfaction.Diagnose and resolve technical issues, particularly those involving AI behavior, configurations, and API integrations.Monitor alerts from internal tools and customer feedback on the Darwin platform to take necessary actions.Collaborate closely with Product and Engineering teams, escalating complex challenges and contributing to product enhancements.Maintain detailed documentation of support activities to ensure accurate tracking of issues and solutions.Identify recurring problems and assist in developing internal documentation and FAQs.Work alongside Customer Success and Onboarding teams to ensure a seamless client journey.Review AI conversations to uncover bugs or areas for improvement.Ensure all critical feedback and issues are addressed within the specified SLA.

Join us at SpotLab as we tackle the challenges in healthcare through the innovative application of digital transformation and Artificial Intelligence. Our mission is to enhance patient care and reduce healthcare costs by leveraging advanced AI technologies.While many medical fields are reaping the benefits of AI, areas like hematology, infectious diseases, and neglected tropical diseases still lag behind. At SpotLab, we are dedicated to bridging this gap.As an internationally recognized start-up, we have received over 10 awards, including the prestigious Seal of Excellence from the European Union, reflecting our commitment to groundbreaking innovations with significant impact. Our diverse team comprises developers, engineers, medical professionals, and business strategists who collaborate to drive progress with gender parity.We are seeking a full-time Artificial Intelligence Research Scientist to spearhead the development, training, and deployment of multi-modal AI models focused on diagnostics and clinical research.