Lead AI/ML Engineer

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.

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.

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.

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.

Location: Remote within EMEA time zones (including Ukraine) Start date: ASAP Languages: Fluent English required Industry: Cloud Computing, AI, European Deep-Tech SaaS Role Overview Pragmatike is hiring an ML Ops Engineer to help build the backbone of a distributed cloud infrastructure startup. This well-funded company focuses on AI-native cloud services, offering GPU-powered compute for machine learning workloads, secure storage, and high-speed data transfer. The platform relies on a decentralized architecture designed to reduce environmental impact compared to traditional cloud providers. This position centers on designing and operating scalable ML inference platforms for real-time AI applications. The role involves close collaboration with infrastructure, platform, and applied AI teams to deliver high availability, low latency, and cost-efficient model serving. A production mindset and hands-on experience with distributed GPU systems are essential. What You Will Do Build and maintain production-ready model serving infrastructure using frameworks such as vLLM, TGI, Triton, or similar tools. Design and implement deployment pipelines with blue/green and canary rollout strategies for machine learning models. Develop and support auto-scaling systems, multi-model serving solutions, and smart request routing layers. Optimize GPU utilization, memory usage, network throughput, and model artifact storage performance. Set up observability systems to monitor inference latency, throughput, GPU consumption, cost, and system health. Manage model registries and CI/CD pipelines to automate and standardize model deployments. Oversee the full ML systems lifecycle, from development through production operations, including on-call support. Shape engineering best practices and contribute to platform scalability as the company grows. Requirements Proven experience in ML Ops and production model serving. Hands-on background with GPU systems and distributed computing frameworks. Skilled in deployment strategies and CI/CD pipeline management. Strong problem-solving abilities, especially in performance tuning and optimization. Comfort working collaboratively in a team-oriented, fast-moving setting.

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)....

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.

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.

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.

Join Our Vision of AI Companionship EverAI — Shaping the Future of AI CompanionshipRecognized as one of the Top 15 Largest & Fastest-Growing AI Companies GloballyWith 40 Million Users in Just 2 Years — Help Us Achieve 100M, Then 500M!At EverAI, we are redefining the way humans connect with AI. With an expanding user base of 40 million, we are not just creating products; we are pioneering entirely new categories.Our flagship offering, the world’s largest AI girlfriend/boyfriend platform, is transforming relationships for millions. This platform is supported by our innovative moderation system, EverGuard — an internal AI designed to ensure that all our creations are safe, ethical, and human-centric.And this is just the beginning!Meet Our Dynamic TeamWe are a dedicated and passionate team of 75 individuals. Our founders possess extensive entrepreneurial expertise in building and scaling web products from inception to IPO.The OpportunityWe are not just creating a product; we are constructing a large-scale conversational ecosystem. Join us in our journey!

We are on the lookout for an accomplished and innovative Lead Backend Engineer (AI-Driven Lifecycle Expert) to join our dynamic team.In this pivotal role, you will lead a newly established high-performance engineering team comprising 6-8 skilled professionals, including Senior Frontend and Backend Engineers. As a reliable leader, you will be accountable for the success of projects and the professional growth of your team members. Your role extends beyond conventional leadership; you will advocate for the adoption of AI-Driven Lifecycle (AIDLC) practices, ensuring that your team leverages AI tools throughout the development process to significantly enhance delivery speed.

Location: Fully RemoteStart Date: As Soon As PossibleLanguages Required: EnglishAbout the RoleJoin pragmatike as a Lead Full Stack Engineer for a dynamic and rapidly expanding AI and trading startup. We are creating an innovative orchestration protocol that seamlessly integrates various trading dimensions into a single, AI-driven platform, empowering users to trade effortlessly across both crypto and traditional financial markets.Our groundbreaking technology leverages autonomous AI agents that operate around the clock, eliminating emotional biases and enhancing trade execution efficiency. Having successfully managed over $500,000 in assets during our beta phase, we are poised for significant growth as we scale our platform to support a multitude of agents across diverse trading environments.We seek a Senior Full Stack Engineer (React / Node / Next.js) to enhance and expand our product experience and core application as we transition from initial traction to institutional-scale operations.Your ResponsibilitiesDesign and implement scalable, production-ready web applications utilizing React and Next.js.Develop reliable backend services and APIs through Node.js.Architect comprehensive features spanning frontend, backend, and database layers.Create real-time dashboards for monitoring trading performance, agent activity, and analytics.Establish secure authentication, authorization, and role-based access management systems.Enhance frontend performance, user experience, and state management.Collaborate closely with AI, backend, and infrastructure teams to integrate trading agents and execution systems.Maintain code quality through rigorous testing, CI/CD practices, and adherence to engineering best practices.Contribute to architectural strategy and long-term product scalability initiatives.Influence product direction in a fast-paced, high-ownership environment.QualificationsA minimum of 5 years of experience in Full Stack Engineering.Proficient in React and Next.js (SSR, routing, performance optimization).Strong backend development skills with Node.js.Experience designing and consuming REST or WebSocket APIs.

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.

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.

N-iX brings together over 2,400 technology professionals across more than 40 countries. Since 2002, the company has delivered solutions in cloud computing, data analytics, AI, embedded software, and IoT for a range of clients, including industry leaders and Fortune 500 companies. This role supports a client operating Europe's largest online car marketplace, which serves over 30 million users each month in 18 countries. The client is developing a new Agentic Software Delivery platform to automate engineering tasks at scale. The initial priority is automating the software development life cycle (SDLC), aiming for 10–20% of JIRA stories to move through the autonomous delivery system within a year. Future plans include expanding the platform's capabilities. Role overview N-iX is looking for a Lead or Senior Full-Stack Software Engineer with a strong background in AI. The position calls for someone proactive and self-motivated, who can navigate ambiguity and take initiative without waiting for detailed instructions. Ownership and independent progress are key traits for success in this role. What you will do Design and build features for the Agentic Software Delivery platform, focusing on AI-powered automation. Work with internal delivery teams (about 10% of your time) to understand their workflows, identify pain points in the SDLC, and share feedback to improve the platform. This includes technical discovery and direct developer conversations. Support the rollout of the platform by mentoring others and helping teams adopt and use the new tools effectively. Who succeeds here Engineers who are comfortable with minimal direction and enjoy shaping projects in evolving environments. Those who bring technical curiosity, strong communication skills, and a willingness to learn from peers. Location This position is open to candidates based in Europe or Ukraine.

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.

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.

Join SKELAR, a pioneering Ukrainian venture builder focused on creating international tech businesses. Together with our co-founders, we assemble talented teams to succeed in global markets.At SKELAR, we have multiple businesses operating in diverse niches — from EdTech to marketplaces. Our companies are featured among the top startups and product firms in Ukraine, consistently ranking high in the App Store and developing platforms that millions of people use. Our innovations have been covered by major media outlets such as TechCrunch and Wired.We take pride in our strong team of over 1000 professionals, each bringing exceptional expertise and ambitious goals. Our people are our most valuable asset, which is why we strive to build businesses with the best talents available.Every successful venture starts with a single line of code. Are you ready to write the next chapter with us?We are launching a new business.With over 1.8 billion people learning foreign languages, less than 10% can speak them fluently. We are developing an interactive communication environment — the AI Language Tutor — allowing users to speak and learn without the fear of judgment.Our goal is to create a product that learns alongside the user — gathering data to personalize the approach and motivate further learning. We believe in tailored learning experiences rather than one-size-fits-all solutions, leveraging algorithms to help users learn in their own ways and achieve effective results.This product is yet to be built. If you thrive on creating something from the ground up, let’s embark on this journey together!Being among the first five team members means you will play a crucial role in defining the direction of this business. We invite you to join us on this exciting adventure.You will lead the development of our key asset — the AI tutor mobile application. From inception to execution, you will lay the groundwork for the mobile architecture, write the initial lines of the MVP code, and establish release processes. Given that real-time voice interaction with AI is central to our product, your primary technical challenge will be to ensure a seamless, fast, and stable user experience.