AI Machine Learning Engineer

Join our innovative team at Visium as an AI Machine Learning Engineer, where you will play a crucial role in developing cutting-edge machine learning algorithms and artificial intelligence solutions. You will collaborate with cross-functional teams to design, implement, and optimize machine learning models that drive our business forward.

Role Overview T-Systems Iberia is hiring an AI / Software Solutions Engineer in Seville. This position focuses on designing, developing, and implementing AI-driven software that improves efficiency and user experience. What You Will Do Create and deliver AI solutions for real-world applications Contribute to the full software development lifecycle, from concept to deployment Work with a team to solve complex technical challenges Support projects that enhance client outcomes through technology Who We’re Looking For Experience in AI or software engineering Comfort working on challenging problems Interest in building solutions that make a difference for users and clients Ability to collaborate in a team setting

We invite you to submit your CV in English and specify your proficiency level in the language.Mindrift connects skilled professionals with AI project opportunities from top tech companies, focusing on the testing, assessment, and enhancement of AI systems. Please note that participation is project-based and does not constitute permanent employment.About the RoleWe are looking for a Senior Python Developer with substantial experience in functional testing, advanced skills in Linux and Docker, and the capability to read and interpret code across multiple languages with the assistance of LLMs (e.g., C, Rust, Go). The ideal candidate will be adept at translating requirements for migration tasks and will be confident in utilizing tools such as Roo Code or Claude Code to expedite iterative development.Key ResponsibilitiesDevelop and implement functional black box tests for extensive codebases in various source languages.Establish and maintain Docker environments to guarantee fully reproducible builds and test executions across multiple platforms.Oversee code coverage and configure automated scoring metrics to align with industry-standard benchmarks.Utilize LLMs (Roo Code, Claude) to streamline development cycles, automate repetitive tasks, and enhance overall code quality.RequirementsA minimum of 5 years of experience in software engineering, primarily using Python.Extensive knowledge of pytest (including fixtures, session-scoped tests, timeouts) and designing black-box functional tests for CLI applications.Proficient in Docker with expertise in creating reproducible Dockerfiles, managing user contexts, and ensuring secure workspaces.Strong skills in Linux and Bash scripting, with the ability to debug within containers.Familiarity with modern Python tools (uv, pyproject.toml, packaging).Capability to read and comprehend various programming languages (such as C, C++, Rust, or Go) with the aid of LLMs.Experience utilizing LLMs (Claude Code, Roo Code, Cursor) for accelerating development and generating test cases.Proficiency in English at a B2 level or higher.Preferred QualificationsPrior experience with agent evaluation platforms and MCP CLI.Technologies and Tools: Python (pytest, uv, Pillow), Docker, Bash, Git Submodules, C/C++/Rust/Go (reading), Dagger, GitHub Codespaces, LLMs (Claude Code, Roo Code, Cursor), coverage.py, gcov, kcov.What We OfferFreelance, project-based collaboration via the Mindrift platform (powered by Toloka AI).Fully remote and flexible working hours — choose your availability (20-30 hours per week).Compensation varies per project based on the scope of work and required expertise. On this project, AI trainers can earn up to $30 per hour.

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 of powerful technologies such as AI. We take this responsibility seriously.Our ambitious team comprises engineers, AI experts, and customer-oriented program managers. We seek mission-driven individuals to join our European teams and leverage their skills to tackle the most intricate and impactful challenges. Our culture is open and transparent, encouraging healthy discussions on the role of technology in defense, its advantages, and ethical considerations.The RoleAt Helsing, we provide AI-driven capabilities and foundational technologies that empower machines to enhance human decision-making. You will have a unique opportunity to develop AI capabilities in a challenging sector where high generalization needs to meet hardware constraints and real-world resilience.As part of a team dedicated to pushing the limits of autonomous robotics through reinforcement learning, your focus will be on designing, training, and deploying RL-based controllers for robots in complex, unstructured, and dynamic real-world environments—areas where traditional control strategies fall short. This role involves enabling robots to perceive and comprehend their surroundings by integrating diverse sensory inputs, including vision, to inform robust and adaptive control strategies. You will manage the entire pipeline, from simulation to deployment, ensuring that learned policies are not only robust and efficient but also primed for real-world operations under stringent hardware limitations.

Join our innovative Notebooks team as a Staff Software Engineer specializing in AI/ML. At Datadog, our Notebooks are versatile tools for on-the-fly data analysis, collaborative investigations, and technical documentation. They facilitate seamless interaction between agents and users. Our team is at the forefront of developing AI-enhanced workflows for natural language data analysis, automated graph generation, and in-depth investigations. In this role, you will serve as a technical leader, dedicated to creating cutting-edge AI-powered functionalities. We are in search of a product-oriented ML engineer who possesses strong technical acumen, exceptional communication skills, and a proven history of spearheading impactful projects from inception to completion.At Datadog, we cherish our office culture for its collaborative spirit and the creativity it fosters. We adopt a hybrid work model to support our Datadogs in achieving a work-life balance that aligns with their unique needs.

Join Visium as the AI Engineering & Platform Lead, where you will spearhead innovative AI projects and lead a dynamic team of engineers. Your expertise will drive the development of cutting-edge AI solutions that enhance our platform capabilities. We seek a visionary leader who thrives in a fast-paced environment and is passionate about leveraging AI to solve real-world challenges.

About the Role airapps is hiring an AI/ML Engineer in Madrid. This position focuses on building and improving machine learning solutions that turn data into practical insights. The work involves close collaboration with colleagues from different teams to refine current applications and design new models that support the company’s technology goals. What You Will Do Develop machine learning models to solve real business problems Work with cross-functional teams to improve existing applications Create new solutions that advance airapps’ technology Location This role is based in Madrid.

airapps is hiring an AI/ML Engineer in Barcelona to contribute to new artificial intelligence and machine learning projects. This position centers on building and improving technology that drives real-world impact. Role overview This role involves hands-on work with AI and ML systems. The team values individuals who bring technical skill and a genuine interest in advancing the field. Collaboration and curiosity are important here, as projects often require creative problem-solving and fresh ideas. What you will do Develop and refine AI and machine learning solutions as part of a collaborative team Work on projects that aim to advance technology in meaningful ways Who we’re looking for Experience or strong interest in artificial intelligence and machine learning Motivation to contribute to impactful technology projects Based in or willing to work in Barcelona

Join Celonis as an Associate Applied AI Engineer in our innovative Orbit Program, where you'll collaborate with a dynamic team to develop cutting-edge AI solutions. This role offers a unique opportunity to work at the forefront of technology, applying your skills to real-world problems and making a significant impact on our clients' operations.

Join our dynamic Customer Success team at Darwin AI, where we are dedicated to empowering our clients through innovative technology and artificial intelligence. We seek an enthusiastic and proactive Customer Success Executive who appreciates the significance of delivering outstanding client satisfaction. This role is ideal for someone who excels at nurturing long-term customer relationships and enjoys utilizing data and AI tools to enhance client success with our platform.As a Customer Success Executive, you will be pivotal in guiding our clients towards achieving their objectives, driving product adoption, and minimizing churn. You will serve as the primary liaison for our customers, offering continuous support and forward-thinking solutions to facilitate their business growth using Darwin AI.Key Responsibilities: Oversee the ongoing relationships with designated customers, acting as their main contact for support, updates, and optimization of AI solutions. Facilitate Monthly Business Reviews (MBRs) to evaluate customer satisfaction, assess AI performance, and pinpoint areas for improvement. Engage proactively with clients to discover new use cases, relay product updates, and ensure they are extracting maximum value from our AI solutions. Regularly monitor client accounts for signs of churn risk and collaborate with internal teams to devise strategies aimed at enhancing engagement and retention. Conduct training workshops to boost customer proficiency and encourage deeper integration of our tools. Analyze customer feedback and usage data to identify trends, insights, and potential areas for enhancement. Collaborate closely with Customer Support, Product, and Engineering teams to escalate and resolve technical issues while providing feedback for product enhancements. Maintain precise records of customer interactions and progress utilizing Planhat and other CRM tools.

About UsAt Visium, we empower enterprise leaders to craft their AI and data strategies, drive transformative initiatives, and effectively integrate AI into their operations—ensuring that their organizations are resilient and future-ready. As a spin-off from Visium, we are channeling our extensive enterprise knowledge into a groundbreaking product: a category-defining Agentic AI solution tailored specifically for pharmaceutical companies.Our product is anchored in AI designed for highly regulated sectors, operating where complexity, compliance, and trust are paramount. Our mission is clear: to expedite the delivery of life-saving medications to the market, making the process faster, more cost-effective, and safer, thereby unlocking significant benefits at scale.With deep roots in enterprise AI and an ambitious vision for the future, we are building a team of innovators, engineers, researchers, and product thinkers to shape a product that is not only technically superior but also transformative.Join us on a mission to redefine the future of work, creativity, and knowledge. Are you ready to help us construct the future of Agentic AI?Role OverviewWe are in search of a Full-Stack Software Engineer eager to help us create the foundation of our Agentic AI Platform from the ground up. You will translate cutting-edge AI concepts into real, production-ready software utilized by scientists and researchers daily.Your responsibilities will encompass the entire stack: from developing intuitive frontends that simplify complex AI systems to designing robust APIs and backend services that facilitate autonomous agents. You will work collaboratively with ML engineers, product designers, and domain experts to forge a platform that merges human expertise with intelligent automation.This role is hands-on and impactful, granting you significant ownership. You will play a critical role in making architectural decisions, experimenting with innovative agentic frameworks, and helping to establish what “state-of-the-art” signifies in the realm of trustworthy AI for life sciences.If you thrive in dynamic environments, are passionate about creating groundbreaking solutions, and aspire to influence the next generation of intelligent software, we would be excited to connect with you.Your daily activities might include:Designing and implementing full-stack features that bring agentic workflows to life for scientists and researchers.Creating orchestration layers, retrieval pipelines, and APIs for intelligent agents using Python and FastAPI.Developing user-friendly and high-performance frontends in React and TypeScript for configuring and monitoring AI agents.Collaborating with ML engineers to integrate LLMs, embeddings, and RAG systems into production settings.Building and maintaining cloud-native infrastructure using containers, Kubernetes, and CI/CD automation.Contributing to architectural decisions, SDK design, and enhancing the developer experience.

Please submit your CV in English and include your English proficiency level. toloka-ai, in partnership with Mindrift, connects material science experts to project-based AI work for major technology companies. These freelance roles involve testing, evaluating, and improving AI systems. All work is project-based and does not constitute permanent employment. Key Responsibilities Design original materials engineering problems that mirror real-world engineering workflows Create challenges that require Python programming for calculations or simulations Develop computationally intensive tasks using numerical methods or iterative approaches Formulate problems centered on system design, optimization, and analysis Incorporate real research questions or practical engineering scenarios into problem sets Validate solutions with Python and recognized engineering libraries Document problem statements clearly and provide verified solutions Requirements Degree in Material Science or a closely related field Strong Python skills for numerical validation (experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar libraries is a plus) Minimum 2 years of professional experience, ideally in applied research or teaching Solid grasp of engineering constraints and practical approximations Excellent written English (C1 level or above) How Projects Work Submit an application Meet the required qualifications Join a project Complete assigned tasks Receive compensation Time Commitment During active project phases, tasks typically require 10 to 20 hours per week. Workload may fluctuate based on project needs. Compensation Contributors can earn up to $29 per hour, depending on project complexity, expertise, and individual pace. Rates may vary between projects on the platform. Location: Remote , València, Valencian Community, Spain

Toloka AI seeks a Freelance English Writer - AI Trainer to support the development of artificial intelligence systems. This is a remote position based in València, Valencian Community, Spain. Role overview This role centers on producing well-crafted English text for AI training projects. The writing produced will directly influence how AI models interpret and generate language. What you will do Write clear, accurate English content for use in training artificial intelligence systems Contribute to projects that require careful attention to language quality and clarity Location This position is remote, but candidates should be based in València, Valencian Community, Spain.

Toloka AI seeks a Freelance Junior Journalist - AI Trainer to join projects focused on artificial intelligence. This is a remote position, available to candidates based in València, Valencian Community, Spain. Key responsibilities Collaborate with teams to produce clear and engaging content that supports AI development. Help train AI models by supplying relevant materials and offering feedback. Location details This role is fully remote but requires residence in València, Valencian Community, Spain.

About EverfieldEverfield is dedicated to acquiring, developing, and enhancing European vertical market and specialized software companies, equipping them with essential tools for advancement. Our mission is to ignite ambition, stimulate growth, and unlock opportunities within Europe’s software ecosystem.Companies within the Everfield ecosystem adopt a decentralized model, retaining their unique teams, brands, and offices while concentrating on their core strengths—product development and customer support. Everfield aids in talent acquisition, HR, and offers expert guidance on financial and operational matters to bolster the growth of European B2B SaaS enterprises. Established in 2022, Everfield has expanded its ecosystem across seven countries and continues to grow.Who We AreVozitel is a technology company specializing in conversational automation solutions and intelligent communication management for contact centers. Our platform revolutionizes customer service, boosts productivity, and provides measurable returns through voice virtual agents and generative AI tools applied to real business processes.As part of Everfield, an international software group, we benefit from product investment, excellence standards, and access to a global community of engineering and knowledge. This partnership enables us to continually innovate and deliver greater value to our clients while maintaining the agility and impact-driven approach that defines us.Our clear objective is to lead the future of Voice AI and intelligent business communications from Spain to the world.We are looking for curious, courageous individuals with a growth mindset who want to embark on this journey and help shape the future of business communications with us.

Project OverviewAt the Telco Hub in Madrid, we are at the forefront of integrating IT and telecommunications, developing and expanding Telco as a Platform (TaaP) utilizing our unique layered cloud infrastructure. Our teams are organized into cross-functional and cross-border squads, delivering avant-garde services to Europe's leading telecommunications operators.Our goal is to provide an unparalleled customer experience grounded in three foundational principles: Cloud-Based – Leveraging cutting-edge technologies for enhanced scalability and performance. Automated – Enhancing efficiency through AI, automation, and DevOps methodologies. Sustainable – Creating a future-ready, environmentally sound infrastructure.We're seeking exceptional engineering talent who are keen to advance both technically and professionally within a vibrant and collaborative setting. If you're passionate about influencing the future of telecommunications, join us!The Voice & Messaging (T-VM) unit within Deutsche Telekom Technik GmbH is entrusted with overseeing all voice and messaging platforms across Deutsche Telekom's fixed and mobile networks throughout their lifecycle. The platforms under T-VM are integral to a substantial portion of Telekom Deutschland's core operations, and our mission is to maintain critical factors of stability, quality, innovation, and efficiency. The ACS Squad (Announcement-, Control & Supportsystems) manages the complete lifecycle of essential IMS components within DT Technik.Job Responsibilities:Managing IMS-MRF (Media Resource Function) deployed on Kubernetes.Overseeing OneiDNS, a cloud-native DNS service for all IMS nodes in fixed and mobile networks, deployed on Kubernetes.Administering VoIP Support Systems, a VMware-based application landscape within the IMS fixed network provisioning chain.Operating as a DevOps team, taking full accountability from design and engineering through to deployment and operational management.Addressing the next significant challenge of developing a new AI Calling system, built on DT Technik’s CaaS Kubernetes platform, to facilitate real-time speech processing and translation within IMS call flows.We are looking for a motivated and technically proficient colleague to join our team and contribute to this exciting journey.

NEORIS, now part of EPAM, is a leading Digital Accelerator guiding enterprises into the future. With over 20 years of experience as digital partners to some of the world's most prominent organizations, we pride ourselves on a diverse team of over 4,000 professionals across 11 countries. Our multicultural and startup-oriented environment encourages innovation, ongoing learning, and the delivery of impactful solutions for our clients. We are on the lookout for a skilled and enthusiastic AI Engineer to become a key member of our Connected Insights team. In this pivotal role, you will be responsible for designing, building, and deploying advanced AI systems that provide significant business and scientific insights, especially in competitive intelligence and strategy settings. Your work will involve utilizing both foundational and cutting-edge AI methodologies, harnessing structured and unstructured data to develop scalable, dependable, and high-impact AI solutions. This includes crafting LLM-powered applications, multi-agent systems, and sophisticated retrieval architectures. You will collaborate closely with cross-functional teams and internal stakeholders to translate strategic requirements into robust AI products.

Join Datadog, a leader in cloud monitoring and observability, where we harness the power of AI to enhance our platform's capabilities. Our mission is to streamline monitoring, accelerate incident resolution, and ensure data integrity for cloud applications. The Deployment Gates team is at the forefront of creating innovative, customer-centric systems that determine the readiness of software for production. These systems play a crucial role in CI/CD pipelines, utilizing observability data to answer a pivotal question in software delivery: Is this deployment safe to proceed based on our current knowledge? As a Senior AI Engineer, you will: Advance Deployment Gates from static rules to AI-driven decisions, leveraging Datadog telemetry to identify and prevent faulty changes before they reach users. Lead the design and implementation of progressive deployment automation, starting with conservative AI rules and evolving towards adaptive gates that learn from incidents and organizational behaviors. Create frameworks for autonomous remediation, linking code changes to production issues, enabling capabilities to block and roll back unsafe deployments while suggesting fixes and enforcing policies. This role is ideal for someone with a strong product mindset, as you will engage in the entire lifecycle from problem discovery and user experience to delivering reliable, scalable production systems. At Datadog, we value our office culture - the relationships we build, the creativity we foster, and the collaboration that arises from working together. We embrace a hybrid work model to help our employees achieve a balance that suits their lifestyle.

Ebury empowers ambitious businesses to achieve global expansion, mirroring this ethos in our approach to our team. We champion innovation, collaboration, and problem-solving, creating an inclusive environment where everyone feels valued, supported, and empowered to thrive.If you're a collaborative professional eager to revolutionize global business operations, connect with us. We would be delighted to discuss how Ebury can accelerate your career trajectory and enable you to influence the future.Join Our Data Team as a Senior Data Engineer - AI PlatformHybrid Work Model: 4 days in the office, 1 day remoteBecome a part of Ebury's Data Team in our Madrid or Málaga office.The success of Ebury's strategic growth plan heavily relies on our Data team, and we are on the lookout for a skilled Data Engineer - AI Platform to enhance our Data Platform Engineering team!Our mission centers on developing, maintaining, and enhancing Ebury's Data Platform, with a current focus on constructing the Agentic Data Plane (ADP): a cohesive, governed interface layer for AI and agentic products that simplifies data communication and access while ensuring governance, lineage, traceability, and full replayability.As an AI Platform Engineer, you will collaborate closely with the Data Platform team and cross-functional domain teams to design and deliver the platform capabilities that allow Ebury to safely deploy AI and agentic products at scale.What We Offer:Attractive salary and benefits packagePerformance-based discretionary bonusOngoing personal development through training and certificationSupportive of Open Source principles, encouraging contributions to both internal and external projects

Join Docplanner as a Backend Engineer specializing in AI Integration and play a vital role in revolutionizing the healthcare industry. We are looking for a talented professional with a strong background in backend development and a passion for artificial intelligence.In this position, you will collaborate with cross-functional teams to design, implement, and optimize backend solutions that effectively integrate AI technologies. With your expertise, you will help us enhance our platform's capabilities and improve user experience.