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Qualifications
Proven experience in machine learning algorithms and frameworks. Strong programming skills in Python or similar languages. Familiarity with data manipulation and analysis tools (e.g., Pandas, NumPy). Ability to work independently and meet project deadlines. Excellent problem-solving skills and attention to detail.
About the job
toloka-ai seeks a Freelance Machine Learning Developer to join its team remotely from Greece. This position centers on using machine learning and artificial intelligence skills to support various projects. Collaboration with colleagues across locations is a key part of the role.
Responsibilities
Apply machine learning expertise to both ongoing and new projects
Work closely with distributed team members in a remote environment
Use modern technologies to solve complex problems
Location
This is a remote position open to candidates based in Greece.
About toloka-ai
toloka-ai is a forward-thinking company dedicated to harnessing the power of AI to enhance various industries. We prioritize innovation, collaboration, and the continuous development of our team members in a dynamic work environment.
Role overview Toloka AI seeks a Freelance UI/Web Specialist to join its remote team from Greece. This contract position centers on designing web interfaces that make Toloka AI’s digital products easier and more enjoyable to use. What you will do Create and improve user interfaces for both web applications and websites Use creative approaches to solve design …
Core Values: Trust | Respect | Team SpiritOur Secret Ingredient: A team that excels through integrity and expertise!Position Overview: Web UI/UX Designer | Full-time | Athens - GRYour daily responsibilities will encompass:Evaluating user needs from a UX standpoint in conjunction with analysts, product managers, and engineers.Developing wireframes, user flows, mockups, and prototypes to fulfill intricate business objectives and create engaging, user-friendly interfaces.Establishing and maintaining the Product Design UI Library (including components, styles, icons, etc.).Collaborating closely with the development team throughout all design phases.Participating in user interviews and engaging with key stakeholders, integrating their insights into your designs.
Join INTERWEAVE as a creative UI/UX Designer! We are seeking a digital product innovator who can design compelling user experiences across various platforms and channels.In this collaborative role, you will work closely with strategists, marketers, information architects, and copywriters to craft exceptional online brand experiences. Your mission is to develop user-centered designs for digital products, campaigns, websites, mobile apps, and more, ensuring they are engaging and meet our clients’ objectives.This is an exciting opportunity to collaborate with an array of clients and brands across multiple regions, enriching your professional experience.About INTERWEAVEAt INTERWEAVE, we are an ideas-driven company, with technology and data at the core of our operations. Our team is a blend of consultants and creative makers, backed by industry expertise and a strong entrepreneurial spirit.WE DRIVE CHANGE, delivering positive and sustainable impact. Our goal is to create top-tier brand experiences by understanding people's needs and using our expertise, creativity, and collaborative approach to solve real challenges and achieve measurable results.Our diverse team consists of professionals from both client and agency backgrounds, including strategists, brand experience consultants, creatives, designers, writers, digital marketers, data scientists, and innovators, all working together to inspire change on various levels.Our Core Values: Accountability, Excellence, Ambition, Forward-thinking, Resilience, Togetherness, and Positivity are not just principles; they embody who we are.With offices in London and Athens, we serve brands and companies globally, particularly in the MENA region. Our partnerships extend to New York, Washington DC, Brussels, UAE, and Paris, and we are proud members of WPI, a global network of independent agencies with 115 offices worldwide.What We Value:We seek individuals who not only possess the right skills but also align with our culture and ambitions. Here’s what makes our team unique:Passion & Enthusiasm: You bring energy and curiosity to every project, inspiring those around you.Positive Attitude: You maintain a constructive mindset and view challenges as opportunities.A Thinker & A Doer: You are both strategic and action-oriented, comfortable with big ideas and execution.A Collaborative Team Player: You thrive in team settings, actively listening and valuing diverse perspectives.
Join Relevance, a multi-award-winning digital agency recognized by Google, as we lead the charge in innovative online marketing solutions. Our commitment to excellence has made us a trusted partner for top brands, including AVIS, Porsche, and UNICEF Greece.A Great Place To Work®Certified as a Great Place To Work® by Great Place To Work Hellas® in 2020, we pride ourselves on fostering an open, inclusive, and creative environment where every team member can thrive both personally and professionally. Our team is the heart of our success, and we are dedicated to empowering them to reach their full potential.Our Esteemed ClientsWe've had the privilege to work with distinguished clients, such as BEAT, Jumbo, Kaizen Gaming, and many more, showcasing our versatility and expertise in the digital landscape.Our RecognitionOur accolades include multiple awards for innovation and performance, including the Google Ads Impact Awards 2025 for Data Innovation and the Peak Awards 2025 Grand Winner for Best Performance Per Industry.Our Core PrinciplesAt Relevance, we embody six core principles that guide our culture: Diversity, Knowledge, Innovation, Execution, Humility, and Ownership. These values drive us to create a supportive environment conducive to growth, learning, and achievement.We Value Attitude Over SkillsWe believe in hiring individuals based on their attitude and potential, offering comprehensive training to develop their skills. Join us and contribute to an inspiring culture where you can make a difference.
Join the Domes Family – Where Hospitality Meets Creativity!Are you ready to embark on an exciting journey with one of the most dynamic hospitality groups in the industry? At Domes Resorts, we pride ourselves on creating a welcoming environment that feels like home for both our guests and team members.As we expand with new resort openings almost every year, our mission is to foster a unique atmosphere that elevates the guest experience while nurturing our team’s professional growth.We are looking for a passionate Web & Graphic Designer to join our innovative marketing team. This role is essential in enhancing our luxury hospitality brand across both digital and print platforms. You will blend strategic web design with sophisticated graphic execution to create visually stunning and conversion-oriented experiences that reflect the essence of Domes Resorts.The ideal candidate will take the lead in UI/UX design using Figma, develop responsive websites and high-impact landing pages, and apply a conversion-focused approach to enhance guest interactions. Additionally, you will create premium print and editorial materials, design branded newsletters via Brevo, and ensure impeccable typography and brand consistency across all platforms.We seek a designer with a keen eye for detail, strong creative judgment, and the ability to translate the elevated identity of Domes Resorts into seamless digital and visual experiences. If you are excited about making a meaningful impact in the hospitality industry, we want to hear from you!
Are you passionate about the Greek language and eager to influence the future of artificial intelligence? As large-scale language models transition from simple chatbots to sophisticated tools for linguistic exploration, we seek your expertise to provide high-quality training data. Your contributions will help make world-class education accessible, keep up with the latest research, and enhance communication for Greek speakers around the globe.We are in search of Greek language specialists who have a deep understanding of Greek grammar, syntax, morphology, phonology, semantics, and pragmatics. You will engage with advanced language models on various topics including verb conjugation, noun declension, word order, accents, idiomatic expressions, and stylistic variation—documenting any model failures to refine its reasoning capabilities.On any given day, you will interact with the AI on language scenarios, verify factual accuracy and logical consistency, capture reproducible error traces, and propose enhancements to our prompt engineering and evaluation metrics.A Master’s degree or PhD in Greek language, linguistics, or a related field is preferred. Experience in teaching, peer-reviewed publications, or hands-on linguistic analysis projects will strengthen your application. Strong, clear communication skills, including the ability to explain your reasoning, are essential.Are you ready to transform your Greek language knowledge into the foundation for tomorrow’s AI? Apply now and begin training the model that will educate the world.
As the leading digital business agency in Greece, ATCOM S.A. has spent over two decades valuing the contributions of every team member towards our collective success.With a portfolio that includes numerous significant web projects spanning various sectors—ranging from large-scale e-commerce and travel platforms to intranets and news portals—we are dedicated to delivering exceptional digital solutions for both private and public entities.We believe in empowering our individuals and teams, seeking self-motivated and goal-oriented professionals who are passionate about their work. If you are enthusiastic about crafting digital solutions that you and your colleagues will cherish and take pride in, we encourage you to apply.We are currently on the lookout for a talented UX/UI Designer to join our Experience Design Department. This role requires a strong design mindset with the capability to connect user flows and interface design effectively. You will be involved in the complete user experience process, from analyzing user needs and translating business requirements into intuitive flows, to developing detailed, accessible, and visually cohesive interfaces.
ATCOM S.A. leads the web development industry in Greece, delivering a wide range of large-scale web projects and solutions across various sectors, including e-commerce, travel, intranets, news portals, and other significant web applications for both the private and public sectors. As the largest web development company in Greece, we truly value every team member who contributes to our success. We believe in empowering our teams and individuals, which is why we seek passionate, self-motivated professionals who strive to accomplish their goals independently. We want you to love what you do and create exceptional web solutions.As our products are built on Microsoft technologies, we are in search of a talented and highly productive Senior .NET/C# Web Developer to join our skilled team. Here, you will have the opportunity to work on some of the most exciting and challenging web projects in Greece. We thrive in a fast-paced, dynamic environment and utilize cutting-edge web technologies to achieve outstanding results.
Join our dynamic team at natech as a UI/UX Designer. In this role, you will be pivotal in creating intuitive and engaging user experiences across our digital platforms. You will collaborate with product managers and developers to design user-friendly interfaces that meet the needs of our clientele.
Join a prominent player in the education technology sector! PeopleCert, a global leader in the assessment and certification of professional skills, is present in over 200 countries worldwide. This is your opportunity to apply now! As a Senior UX/UI Designer, you will be responsible for crafting exceptional user experiences across both web and mobile platforms. Your role will involve designing seamless and impactful learning and certification journeys for our candidates, as well as enhancing the value of our partnerships. You will be a crucial member of our team, influencing the company’s vision and providing strategic insights that support informed decision-making.Key Responsibilities:Lead the development of innovative solutions that combine strategic UX thinking, pixel-perfect visual design, and expert interaction design.Create and deliver high-fidelity mockups optimized for various devices and platforms.Collaborate with product managers in rapid concept and product prototyping to ensure an agile development process.Facilitate product vision through research, sketching, prototyping, and user testing for digital products.Work closely with stakeholders to understand their needs and create intuitive, user-friendly designs.Partner with software engineers and product managers to implement design solutions effectively.Promote best practices in creating maintainable, high-performing web and mobile applications.Encourage innovative thinking by asking insightful questions and proposing new methodologies.Implement procedures and policies as outlined in PeopleCert’s Integrated Management System.
Role overview Jobgether is searching for a Creative UI/UX Designer to join a partner company in Greece. This fully remote position centers on crafting engaging and intuitive user experiences for mobile games enjoyed by players around the world. What you will do Create game interfaces, starting from initial wireframes and progressing to polished visual assets Work closely with game designers, artists, and producers to ensure the user experience supports gameplay objectives Use strong visual design skills and knowledge of player behavior to develop user-friendly mobile gaming experiences Help define both the artistic style and usability of game interfaces Contribute to global projects while managing your schedule remotely Requirements Experience designing UI/UX for mobile games or comparable digital products Strong skills in visual design and a keen eye for detail Understanding of mobile usability principles and player psychology Ability to collaborate effectively within a creative, cross-functional team Location This is a remote position based in Greece.
Please submit your CV in English and highlight your language proficiency. Mindrift offers project-based contracts for professionals interested in shaping and testing AI systems for leading technology companies. This freelance Data Scientist (Python & SQL) - AI Training Specialist position is not a permanent role but focuses on specific projects. Work is fully remote and open to those based in Greece. Role overview This contract centers on designing and validating computational data science problems that reflect real-world analytics challenges. Projects span industries such as telecom, finance, government, e-commerce, and healthcare. The work involves creating complex, computationally demanding scenarios that require advanced data science skills and cannot be solved manually in a short time. What you will do Design data science problems based on realistic business cases, including customer analytics, risk assessment, fraud detection, forecasting, and optimization. Develop challenges solvable using Python and libraries like Pandas, Numpy, Scipy, Scikit-learn, Statsmodels, Matplotlib, and Seaborn. Ensure each problem is deterministic and reproducible, using either no randomness or fixed seeds. Include tasks that require advanced reasoning: data manipulation, statistical analysis, feature engineering, predictive modeling, and drawing insights. Address the full data science workflow: data ingestion, cleaning, exploratory analysis, modeling, validation, and deployment considerations. Incorporate big data scenarios that demand scalable solutions. Validate solutions in Python using established libraries and statistical approaches. Clearly document each problem, providing realistic context and verified solutions. Requirements Minimum 5 years of hands-on data science experience with measurable business outcomes. Portfolio of projects or publications showing real-world problem solving. Strong Python skills for data science tasks (pandas, numpy, scipy, scikit-learn, statsmodels). Advanced knowledge of statistical analysis and machine learning, both algorithms and practical applications. Expertise in SQL and database operations for analytics. Experience with Generative AI technologies, including LLMs, RAG, prompt engineering, and vector databases. Understanding of MLOps and model deployment workflows. Familiarity with frameworks such as TensorFlow, PyTorch, or LangChain. Excellent English skills (C1 level or above). Application process Apply Pass qualifications Join a project Complete tasks Receive compensation This freelance role is remote and open to candidates based in Greece.
At Enerwave, a proud member of HELLENiQ ENERGY, we are dedicated to delivering innovative and exceptional energy solutions. Our passion drives us to create value and excellence in everything we do. We believe in fostering an environment where our employees can thrive and grow.We are seeking a skilled Business Applications Analyst to join our IT Division, focusing on our Commercial Web Portals, which include customer and retail interaction websites. Your role will be pivotal in aligning our web platforms with business objectives and operational efficiency. You will be responsible for the continuous enhancement of our web portals, ensuring they are stable, secure, and user-friendly to streamline processes and accelerate business operations.Key Responsibilities:Serve as the liaison between business units and IT, gathering requirements, clarifying objectives, and translating needs into functional specifications.Collaborate with internal teams and external vendors to drive enhancements, integrations, and improvements across the portal ecosystem, including APIs, identity management, payments, content, and analytics.Define and support User Acceptance Testing (UAT), create test scenarios, coordinate execution, and ensure that delivered changes meet functional requirements and quality standards.Document current and future state processes, portal workflows, user journeys, and operating procedures to maintain clarity, governance, and traceability.Partner with UI/UX teams and stakeholders to enhance customer experience, navigation, and usability; contribute to interface requirements, prototypes, and usability validation as needed.Support change management and release processes, ensuring smooth transitions and minimal impact on customers through effective planning and communication.Ensure high availability, stability, and quality of services by providing effective support, performing root cause analysis, and escalating complex issues when necessary.Contribute to service metrics and reporting to support operational transparency and continuous improvement.Ensure compliance with internal governance, operational procedures, and security policies.
Target Profile: Near-Native Proficiency in Greek Project Overview: We are seeking talented Greek language experts to participate in an engaging freelance project aimed at training AI systems. This involves recording short scripted reads that require a touch of light voice acting and voiceover skills. We value clear diction, natural delivery, and a consistent quality of performance. If you possess a quiet recording space and a quality microphone, we would love to hear your unique voice! Proficiency in at least two languages is essential, preferably with one being non-English. Fluency requirements include native-level proficiency in Greek and strong command over a second language—either equal proficiency, near-native fluency, or working proficiency. What You Will Do: Record short lines and paragraphs in your primary language, utilizing various tones such as friendly, neutral, and authoritative. Engage in collaborative script readings with fellow Greek speakers, typically involving short scripts of approximately 5 minutes. Adhere to direction and make retakes as necessary to ensure proper timing, emphasis, and clarity. Submit well-organized and clearly labeled audio files on schedule. Requirements: Exceptional native-level fluency in Greek with articulate and easily understandable speech. A quiet recording environment free from background noise, echoes, or hums. A high-quality microphone is highly advantageous (USB or XLR), along with a stable recording setup and a pop filter if available. Ability to follow instructions accurately and take notes on pronunciation or stylistic nuances. Preferred Qualifications: Experience in voice-over work, voice acting, podcasting, or any on-mic experience. Basic audio hygiene skills, ensuring steady audio levels and consistent microphone distance, with minimal editing required—just clean, raw takes. We offer a competitive pay range of $8 to $65 per hour, with the final rate based on your experience, expertise, and geographic location. As a contractor, you will need to provide your own secure computer, high-quality microphone and recording setup, and stable internet connection; company-sponsored benefits such as health insurance and PTO do not apply. Job title: Greek Voice Acting Specialist – AI TrainerEmployment type: ContractWorkplace type: RemoteSeniority level: Mid-Senior
Join Kpler as a Senior Product Manager - Web Experience and lead the charge in enhancing our web platform to provide an exceptional user experience. In this pivotal role, you will collaborate with cross-functional teams to define product vision, roadmap, and growth opportunities.As a seasoned professional, you will leverage your expertise in product management and web technologies to drive innovation and elevate our digital offerings. Your strategic insights will shape the future of our products and deliver significant value to our clients.
Toloka AI is looking for a Freelance Brand Designer to shape and communicate the company’s brand across digital platforms. This contract position is fully remote and open to candidates located in Greece. Role overview This role centers on creating and refining visual assets that capture Toloka AI’s identity and values. The designer will work closely with the team to maintain a consistent brand presence across web, social media, and marketing materials. What you will do Design visual assets that express Toloka AI’s brand Develop and update brand elements for use on digital and marketing channels Work with team members to ensure a unified brand experience Requirements Portfolio demonstrating experience in branding and digital design Creative mindset and strong attention to detail Ability to work independently and communicate effectively with remote teams Residence in Greece
Join Avomind, a distinguished recruiting firm dedicated to linking top-tier talent with dynamic, high-growth companies. We pride ourselves on our multicultural team, fluent in 16 languages and hailing from countries across Europe, the Americas, and Asia.Our mission is simple: to provide exceptional opportunities for our candidates while delivering only the most qualified candidates to our valued clients.What We Need:As we expand our Talent Acquisition team, we are looking for enthusiastic individuals to contribute significantly to our operations. This role is essential to Avomind's success, placing you at the forefront of our recruitment initiatives and shaping the future of our business.Are you passionate, dedicated, and eager to learn about the recruitment landscape? If so, we want to hear from you!Your Daily Responsibilities:Collaborate on both outbound and inbound recruitment strategies, partnering closely with management to uncover new candidate pathways.Utilize various channels, including LinkedIn, Xing, GitHub, and Google X-Ray, to source candidates directly.Conduct screening calls to familiarize yourself with candidates, assessing their suitability for our roles.Coordinate interview logistics alongside our Project Managers and Client Managers.Provide insights to Project Managers and Client Managers regarding candidate trends and landscapes to enhance our client services.Own the candidate experience, building your reputation through exceptional service.Work alongside some of the best professionals in the industry, and we’re thrilled to welcome you to our team!
toloka-ai seeks a Freelance Machine Learning Developer to join its team remotely from Greece. This position centers on using machine learning and artificial intelligence skills to support various projects. Collaboration with colleagues across locations is a key part of the role. Responsibilities Apply machine learning expertise to both ongoing and new projects Work closely with distributed team members in a remote environment Use modern technologies to solve complex problems Location This is a remote position open to candidates based in Greece.
Toloka AI seeks a Freelance Graphic Designer to join the creative team remotely from Greece. This contract role centers on producing graphics that capture the brand’s identity and support marketing efforts. Finished designs will appear across various platforms, helping to deliver clear and consistent messages. Responsibilities Produce visual assets that follow Toloka AI’s brand guidelines Collaborate with the marketing team to create graphics for campaigns, social media, and other channels Ensure all design work supports communication goals and connects with the intended audience Requirements Portfolio showcasing both creative vision and technical design ability Comfort working independently and managing deadlines Experience working with marketing or creative teams Location This remote freelance position is open to candidates based in Greece.
Role overview Toloka AI seeks a Freelance Presentation Designer based in Greece. This is a remote position focused on creating visually engaging presentations that support both client-facing and internal communication needs. The designer will help convey ideas and strategies through well-crafted slide decks. What you will do Design presentations that make complex concepts easy to understand using compelling visuals Produce polished, on-brand slide decks for client meetings and internal communications Work closely with team members to understand messaging goals and translate them into effective designs Requirements Keen eye for visual aesthetics and strong attention to detail Solid understanding of design principles Ability to transform abstract or complex ideas into clear, engaging slides Creative mindset and genuine interest in presentation design Toloka AI welcomes candidates who are passionate about design and enjoy making information visually accessible.
