Mid-Level Machine Learning and AI Engineer

Join our team at Progressoft as a Senior AI Engineer, where your passion for transforming data into intelligent, production-ready solutions will thrive. In this remote role, you will engage with the entire AI stack, from classical machine-learning models to cutting-edge large language models (LLMs), computer vision pipelines, and analytics/forecasting workflows. If you are enthusiastic about data exploration, model development, and delivering reliable AI services, we are eager to connect with you.Key ResponsibilitiesModel Development: Design, train, fine-tune, and assess models across various methodologies including classical ML, deep learning (CNNs, transformers), and generative AI (LLMs, diffusion).Data Exploration & Analytics: Perform exploratory data analysis, statistical testing, and forecasting to guide feature development and business KPIs.End-to-End Pipelines: Create reproducible workflows for data ingestion, feature engineering, training, CI/CD, and automated monitoring.LLM & Agentic AI Engineering: Develop prompts and retrieval-augmented generation (RAG) pipelines; fine-tune LLMs on specialized datasets to enhance accuracy and meet product specifications.AI Automation & Integration: Deploy AI components as micro-services; integrate with orchestration tools (Airflow, Prefect) and business APIs to streamline decision-making processes.Continuous Learning: Stay updated on advancements in LLMs, vision, and analytics; share knowledge and best practices with the engineering team.Mentorship: Provide guidance to junior engineers and contribute to shaping technical direction and engineering excellence.

Join Eleks as a Senior AI Engineer and spearhead cutting-edge Proof of Concept (PoC) projects that redefine the future of technology. In this role, you will leverage your expertise in artificial intelligence to design, develop, and implement innovative solutions that address complex business challenges.As a remote team member, you will collaborate with a dynamic group of professionals who are passionate about technology and innovation. You will play a crucial role in shaping our AI strategies and ensuring the successful delivery of our projects.

N-iX seeks a Lead AI/ML Engineer based in Ukraine to shape and advance the company’s AI initiatives. This position focuses on designing, evaluating, and refining advanced AI systems, with particular attention to Retrieval-Augmented Generation (RAG) and Natural Language Processing (NLP) solutions. The role also involves working closely with clients to guide technical decisions and develop strategies for integrating AI into business processes. Collaboration with stakeholders is central to this position. Delivering AI solutions that improve operations, streamline workflows, and maximize data value is a core part of the job. Throughout each project, scalability, quality, and cost-effectiveness are key priorities. Main Responsibilities Design and develop AI-driven systems using Palantir Foundry AIP, including RAG pipelines, large language model (LLM) applications, and NLP workflows for document understanding and knowledge extraction. Oversee the full lifecycle of AI solutions, from data ingestion and embedding generation to retrieval, reasoning, and response generation. Work with AI/ML engineers to deploy models and LLM-based solutions, ensuring reliability, scalability, and high performance. Lead technical discovery, evaluate potential AI solutions, clarify architecture, and identify risks or improvement areas. Analyze and enhance RAG pipelines, focusing on retrieval quality, chunking strategies, embeddings, and hybrid search methods. Assess AI systems for scalability, multilingual capabilities, and the balance between cost and performance. Advise on AI architecture evolution, including platform selection, vendor dependencies, and migration planning. Establish standards for LLMOps and MLOps, covering evaluation, prompt engineering, monitoring, and iterative updates. Promote ethical AI practices, emphasizing data governance, security, and compliance. Mentor engineers and foster collaboration among AI, data, and product teams.

Role overview nix is hiring a Senior AI Engineer based in Europe or Ukraine. This role focuses on building and improving AI-driven products. The Senior AI Engineer works closely with colleagues from different disciplines to design, develop, and implement advanced AI models. The position plays a key part in shaping technical solutions that support and expand nix’s product lineup.

Role Overview Ruby Labs is hiring an AI Engineer in Ukraine. This role focuses on building and deploying AI solutions that support business goals. The AI Engineer works closely with a collaborative team to design, develop, and implement new artificial intelligence projects.

SKELAR is a venture builder that creates international tech companies adhering to the principles of the venture investment landscape. We collaborate with co-founders to assemble strong teams and launch product-oriented IT businesses that can compete on global markets.We are currently expanding our team and seeking a Lead AI/ML Engineer to spearhead the development of our flagship product - a personalized AI Stylist.Dressly, which began operations in 2024, has quadrupled its growth in just the past six months. By 2026, we aim to achieve quintuple growth compared to 2025. Our user base is steadily increasing, and they are already fans of our AI features: Virtual Try-On, Color, Body, and Outfit Analysis. Therefore, we are building internal expertise at Dressly and are in search of a Lead AI/ML Engineer to lead the development of our key product - a personalized AI Stylist.Why join us now? This is your chance to become an architect of AI strategy at an early stage, build your own team from the ground up, and create a product that will transform the fashion experience for millions of users.Technology Stack: We are looking for a leader who will take responsibility for the final selection of tools and architectural patterns. Currently, we are focusing on the following stack, but you will need to choose and implement many components or their equivalents independently:Languages and Frameworks: Python (PyTorch / TensorFlow / JAX)GenAI & LLM: LangChain / LlamaIndex, Vector Databases (Pinecone, Milvus or equivalents)Infrastructure & MLOps: GCP (Vertex AI, GKE), Docker, Kubernetes, MLFlow or other tools for orchestration and monitoring of modelsData: PostgreSQL, BigQuery, ETL process toolsWhat matters to us:You have 5+ years of experience in ML/AI and a successful background in building systems from scratch (from R&D to Production).A deep understanding of the GenAI ecosystem: knowledge of LLM architectures, fine-tuning methods, and RAG (Retrieval-Augmented Generation).Expertise in Computer Vision and RecSys: experience with generative image models (VTON) and building personalized recommendation systems.An engineering mindset: you understand the mathematics 'under the hood' and can build stable data pipelines and ML services.Pragmatism and business focus: you can align technical solutions with business goals.

Huzzle connects professionals with companies around the globe, including clients in the UK, US, Canada, Europe, and Australia. The client base includes startups, digital agencies, and technology platforms in areas like SaaS, MarTech, FinTech, and EdTech. Huzzle specializes in fully remote roles, helping talent join client teams directly while remaining part of Huzzle’s broader network. Role overview Huzzle is looking for an AI Automation Engineer to design, build, and optimize automated workflows using modern AI tools. This remote role focuses on applying AI technologies, such as large language models, APIs, and no-code or low-code platforms, to streamline business operations and boost efficiency. The engineer will collaborate with teams in sales, marketing, and customer success to deliver scalable automation systems. Main responsibilities Design and deploy automation workflows with AI features using platforms like Zapier, Make (Integromat), and custom APIs. Develop and implement solutions that use large language models (such as OpenAI or Claude) to automate business processes. Integrate CRMs (HubSpot, Salesforce), support tools, and internal systems to enable efficient data movement. Write scripts and backend logic in Python or JavaScript for advanced automation needs. Apply AI tools to enhance lead generation, outreach, and customer support workflows. Monitor, troubleshoot, and refine automation systems to maintain reliability and efficiency. Work with stakeholders to identify new automation opportunities across departments. Keep up with trends, tools, and best practices in AI and automation. Location This is a fully remote position for candidates based in Ukraine.

Role overview Wix.com Ltd. seeks an AI-Native Software Engineer for its Kyiv office. The position centers on building and refining AI technologies that power the Wix platform and serve a global audience. What you will do Build and integrate AI-driven features within Wix products Collaborate with engineers and specialists to deliver reliable solutions Take part in projects that shape the future of web development at Wix Team and culture Work alongside experienced professionals who value practical problem-solving and new ideas. The team supports open communication and shared learning to strengthen both the platform and each member’s skills.

Skelar is a venture builder focused on creating innovative tech companies that operate under the principles of venture capital. We collaborate with co-founders to assemble strong teams and launch product-driven IT businesses that excel in global markets.We are currently expanding our team and seeking a Senior AI/ML Engineer to play a pivotal role in developing our flagship product—an AI Stylist that offers personalized styling solutions. This is an opportunity for you to eventually lead our AI initiatives.Dressly launched in 2024 and has quadrupled its growth in the last six months. We anticipate a fivefold increase in growth by 2026 compared to 2025. With a steady influx of users who love our AI features, including Virtual Try-On, Color, Body, and Outfit Analysis, we are building internal AI expertise. We need a Senior AI/ML Engineer to architect our models today and lead our AI team in the future.Why join us now?This is your chance to join a product at a crucial growth stage, influence technical decisions from day one, and pave your way to becoming a Lead AI/ML Engineer as we build our team from the ground up.Technology StackWe are looking for an engineer with a solid technical foundation who is ready to take responsibility for tool and architectural pattern selection. Our current focus includes the following technologies, but you will have the autonomy to choose and implement many components:Languages and Frameworks: Python (PyTorch / TensorFlow / JAX)GenAI & LLM: LangChain / LlamaIndex, Vector Databases (Pinecone, Milvus or similar)Infrastructure & MLOps: GCP (Vertex AI, GKE), Docker, Kubernetes, MLFlow or other orchestration and monitoring toolsData: PostgreSQL, BigQuery, ETL process toolsWhat Matters to UsYou have 7+ years of experience in ML/AI with a proven track record of deploying models in production.You understand the GenAI ecosystem: not just API usage but knowledge of LLM architectures, fine-tuning methods, and Retrieval-Augmented Generation (RAG)....

Why Choose Valtech?At Valtech, we pride ourselves on being a leading experience innovation company, trusted by some of the most renowned brands globally. Our team enjoys numerous growth opportunities, a culture driven by our core values, international career prospects, and the ability to influence the future of experiences.The OpportunityJoin us at Valtech, where an environment focused on continuous learning, impactful contributions, and professional development awaits you. Whether you are innovating new digital solutions, redefining traditional paradigms, or creating next-gen customer experiences, your contributions will be pivotal in transforming industries.

Role overview nix seeks a Senior AI/ML Engineer to lead the design and scaling of AI solutions within the Palantir Foundry and AIP ecosystem. This position is available for candidates based in Europe or Ukraine. What you will do Design and build AI systems ready for production, tailored to enterprise needs Create applications that use large language models (LLMs) and retrieval-augmented generation (RAG) pipelines Develop and maintain machine learning models with a focus on reliability and scalability Work closely with cross-functional teams to guide architecture and implementation decisions Contribute to the company’s AI capabilities through practical engineering and thoughtful design Key technologies Palantir Foundry AIP ecosystem Large language models (LLMs) Retrieval-augmented generation (RAG) pipelines General machine learning frameworks Location Candidates must be based in Europe or Ukraine for this role.

Join Viseven Group, a premier international MarTech company specializing in innovative interactive content and cloud solutions tailored for global pharmaceutical enterprises since 2009. Our commitment to continuous growth and self-improvement is embedded in our corporate DNA. Our unique developments and methodologies are actively utilized in over 50 countries worldwide, and our solutions are showcased at major industry events in Barcelona, Philadelphia, London, and more.Our rapidly expanding team comprises over 700 highly skilled technical and non-technical professionals, including front-end and back-end developers, business analysts, and managers. Together, we create, localize, and customize applications across our offices located in Zhytomyr (Ukraine), Tallinn (Estonia), Poznań (Poland), New Delhi (India), and Bridgewater (USA).Role Description:We are seeking a Senior AI Engineer to join our AI team for our product eWizard.

Join Simulmedia as a Lead AI Engineer and play a pivotal role in shaping the future of our Agentic Products & Platform. You will lead a team of talented engineers to design, develop, and implement advanced AI solutions that enhance our product offerings and drive innovation. Your expertise will be critical in solving complex problems and delivering exceptional results.

N-iX is in search of an innovative Lead AI/ML Engineer to spearhead the development of cutting-edge data and AI pipelines. In this pivotal role, you will be tasked with designing, developing, and optimizing robust data workflows, encompassing Spark-based and RAG-style solutions. Your expertise will ensure the performance, scalability, and reliability of our AI systems.As the Lead Engineer, you will engage in technical discovery and solution assessment, guiding clients in understanding their current AI infrastructures—specifically a RAG-based solution for document analysis. You will evaluate scalability, quality, cost, and risks while providing recommendations for future architectural advancements.

Location: Remote within EMEA time zones, including UkraineStart date: ASAPLanguages: Fluent English requiredIndustry: Cloud Computing, AI, European Deep-Tech SaaS Role overview Pragmatike is a funded startup developing distributed cloud infrastructure for AI and machine learning workloads. The team focuses on GPU-powered platforms, secure storage, and high-speed data transfer, using a decentralized approach to reduce the environmental impact of cloud computing compared to traditional providers. This is a hands-on engineering position centered on designing, building, and managing the core infrastructure needed for scalable machine learning model serving. The work supports real-time AI applications and involves close collaboration with infrastructure, platform, and applied AI teams. Success in this role requires a strong sense of ownership, a production mindset, and experience working with distributed GPU systems. What you will do Build and maintain production-ready model serving systems using frameworks such as vLLM, TGI, Triton, or similar technologies. Design deployment pipelines that use blue/green and canary rollout strategies for machine learning models. Develop auto-scaling mechanisms, multi-model serving capabilities, and request routing layers. Optimize GPU usage, memory management, network throughput, and storage performance for model artifacts. Implement observability tools to monitor inference latency, throughput, GPU utilization, costs, and system health. Manage model registries and CI/CD pipelines to support automated and reproducible deployments. Oversee the full lifecycle of machine learning systems, from development to production, including operational support and on-call duties. Help define engineering best practices and contribute to platform scalability as the company grows. Requirements Direct experience with AI infrastructure and model serving in production environments. Knowledge of GPU architecture and distributed systems. Strong problem-solving skills and the ability to work independently.

SKELAR is an innovative venture builder focused on creating international IT product companies while adhering to the principles of the venture capital ecosystem. Our collaborative efforts with co-founders allow us to assemble dynamic teams to launch technology businesses that excel in the global marketplace.We are seeking an Automation AI Engineer.As part of Leaply, a comprehensive ecosystem of digital and physical products aimed at helping individuals cultivate healthy habits and enhance their quality of life, we operate across global markets, including the United States, Tier 1 countries in Europe, and beyond.In June 2024, we launched an innovative habit-building app utilizing a subscription-based monetization strategy and a performance-driven marketing approach leveraging platforms like Meta, Google, and TikTok. Within two months, we achieved positive unit economics and are poised for a 10x growth by year-end.Our team is in the process of building its third successful business together, having achieved notable exits and possessing extensive knowledge of our niche and target demographic. We prioritize quick execution, transparent communication, and ambitious goal-setting.Responsibilities:— Develop and enhance a unified marketing technology platform that acts as a cohesive system to drive business performance, rather than a mere assortment of tools;— Assume complete ownership of over five existing services (Hokuto, UA automation, Creo Factory, Revealbot, Creo-translate): assess their current conditions, identify architectural limitations, and systematically enhance their reliability, scalability, and maintainability;— Design and maintain production-grade integrations with Meta, TikTok, and Google, ensuring robust error management, rate limiting, retries, and comprehensive monitoring to guarantee that the system operates consistently without undetected failures;— Redefine the tracking architecture by transitioning from client-side to server-side (CAPI pattern for Facebook and similar platforms), implement adequate test coverage, and create tools that empower Growth Managers to independently configure tracking for their funnels;— Streamline operational workflows (e.g., in Airtable) to allow marketing teams (UA managers, designers, growth managers) to function independently without requiring engineering support for routine tasks;— Proactively identify and integrate new marketing technology solutions before they become bottlenecks, shaping the long-term vision of the domain and influencing technical and product priorities.This role is ideal for you if...

Quantum Systems is at the forefront of developing next-generation unmanned solutions that operate across air, land, and sea. Our innovative systems, which range from advanced aerial drones to underwater and ground platforms, integrate state-of-the-art hardware with AI-powered software to provide seamless control and real-time data insights. We are proud to be a trusted partner for defense, security, and public sector clients globally, continuously pushing the boundaries of mission versatility and performance.Since establishing our local office in Ukraine in 2022, we have been a strong supporter of the country’s progress and innovation.The position is located in Kyiv, and we expect you to be present full-time in the office.Your Daily Responsibilities:Lead a team of Machine Learning Engineers.Design, develop, and enhance real-time object detection and tracking models for aerial video captured by UAVs (using EO/IR cameras).Implement optimized inference pipelines tailored for edge hardware (e.g., NVIDIA Jetson, Orin).Conduct model training, testing, benchmarking, and validation in real flight environments.Integrate AI models into onboard systems.Collaborate with software and hardware teams to ensure robust end-to-end performance.Research and apply cutting-edge deep learning techniques in computer vision.

Become a pivotal member of our Chatbot team at Wix, where your expertise in AI technology will help revolutionize customer experiences. As a Senior AI Server Engineer, you'll be responsible for the creation of sophisticated, context-aware features that will transform our Customer Care Chatbot into an essential resource for users navigating their Wix journey. Your role will encompass the entire development cycle—from exploring cutting-edge AI methodologies to implementing scalable features that provide meaningful value to millions of users.You will:Architect, develop, and integrate advanced AI functionalities utilizing the latest LLM and NLP technologiesEngage in research and experimentation to discover innovative solutions and apply high-level models to real-world customer care challengesTake full ownership of feature development, collaborating with product teams to define requirements, estimate scope, implement solutions, and monitor performanceOptimize system performance, stability, and reliability to ensure an uninterrupted, high-quality serviceParticipate in architectural and technical discussions aimed at enhancing system design and developer experience

nix is seeking a Mid-Level Machine Learning and AI Engineer located in Ukraine. This position focuses on building and refining AI solutions using Palantir Foundry and AIP platforms. Role overview The engineer will develop machine learning models and large language model (LLM) solutions, integrating them into Foundry workflows. The main aim is to enhance analytics, automation, and decision-making. Regular collaboration with data engineers, business analysts, and subject matter experts ensures that AI solutions are both production-ready and effective. What you will do Design and improve machine learning and AI models for predictive analytics, classification, forecasting, and workflow automation. Build AI and ML solutions with Palantir Foundry, Python, and existing Foundry pipelines, including Ontology objects and workflows. Apply LLMs and NLP techniques such as prompt engineering, fine-tuning, embeddings, and retrieval-augmented workflows using Palantir AIP for enterprise needs. Work closely with data engineers to understand data sources, check data quality, and prepare datasets for model training and inference. Run experiments to evaluate model performance, iterating on features and methods as needed. Integrate AI models into Foundry workflows to deliver insights and support business goals. Assist with model deployment and monitoring, following team standards and best practices. Collaborate with business and domain stakeholders to turn requirements into practical AI solutions. Document model behaviors, assumptions, and limitations to maintain transparency and compliance. Stay informed about trends in applied and generative AI, sharing knowledge and learning from senior colleagues.