AI Solution Architect at Sigma Software | Kyiv

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 (…

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.

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.

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.

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 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 Restream as a Design Engineer within our innovative AI Clips Team, where you will play a key role in shaping the user interface of our cutting-edge product. Your mission will be to create visually stunning features that not only perform flawlessly but also offer an intuitive user experience. As a Design Engineer, your main focus will be ensuring that our products are user-friendly, meticulously crafted, and deliver genuine value to our users.You will be at the forefront of brainstorming, developing, and launching transformative experiences as part of our dynamic team. We prioritize small teams where each member's contributions are highly valued.ResponsibilitiesTransform ideas into detailed designs and implement compelling product features.Design and develop the UI/UX along with the necessary business logic to enhance both new and existing features.Iterate and refine features to boost user engagement and increase conversion rates.Work collaboratively with product, marketing, and customer support teams to define feature specifications and influence the overall product direction.Participate in code reviews, providing and receiving constructive feedback to improve our work.Stay updated on emerging technologies and identify potential opportunities within our ecosystem.QualificationsComprehensive understanding of the UX design process and strategic implementation.A keen eye for detail with a commitment to delivering an exceptional user experience.Proficiency in Figma or similar design and prototyping tools.A robust portfolio showcasing your previous design work.Familiarity with JavaScript, React, and at least one major state management system within React.Comfortable working with tools such as Figma, React, TypeScript, MobX, AWS, and continuous deployment workflows.Excellent written and verbal communication skills.Self-motivated, analytical, and able to thrive in a collaborative environment.Genuine passion for the Restream product and its mission.Founded in 2015 in Ukraine, Restream is dedicated to empowering creators by providing the leading multistreaming solution, helping them reach wider audiences.

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.

We are seeking an innovative and strategic Head of AI for Business Solutions to lead our AI initiatives and drive transformation across our business landscape. In this pivotal role, you will be responsible for creating and implementing AI strategies that enhance operational efficiency and deliver exceptional value to our clients.Your expertise will guide cross-functional teams in developing AI-driven solutions that meet evolving market demands. The ideal candidate will possess both technical knowledge and business acumen, enabling them to bridge the gap between AI technology and business objectives.

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.

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.

Innovecs is seeking talented Senior Backend Engineers (AI-Driven) to join our dynamic team, dedicated to enhancing our B2B and B2C warehouse management ecosystem. The ideal candidate will be an AI-Native Software Engineer, skilled in not only coding but also in orchestrating AI agents and assistants to optimize the Software Development Life Cycle (SDLC). You will play a pivotal role in delivering robust, scalable microservices at speeds that traditional development practices cannot achieve.

Role overview Sigma Software Group is hiring a Senior Business Analyst in Kyiv to focus on AI-driven solutions. This role connects business priorities with technology, supporting projects that apply artificial intelligence to address client needs. What you will do Collaborate with cross-functional teams to gather and document business requirements for AI projects Translate complex business objectives into clear, actionable insights for technical teams Contribute to the direction and impact of AI initiatives, with the goal of improving efficiency and client results

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

About Our Client:Join a pioneering SaaS company that specializes in innovative solutions for risk detection and management in clinical trials. Using a sophisticated set of algorithms, our client analyzes clinical and operational data in real-time to uncover anomalies and outliers effectively. Role Overview:As a key member of our rapidly expanding engineering team, which consists of over 100 skilled professionals, you will contribute to the future of data-driven statistics, machine learning, and AI software solutions. Collaborate with a dynamic group of Python developers to tackle significant engineering challenges, including the integration of AI-assisted development practices into our daily workflows. Our backend engineers primarily utilize Python and FastAPI, with a tech stack that includes Kubernetes, Docker, Flask, Pyramid, Git, MySQL, MongoDB, Azure Cosmos DB, Celery, and Temporal. Key Responsibilities: Design, develop, and maintain robust, scalable Python services and APIs. Integrate and enhance AI/LLM functionalities using the OpenAI API and associated tools. Boost development speed by leveraging GitHub Copilot and AI-assisted code review. Implement Specification-Driven Development (SDD) practices to ensure features align with specifications and are thoroughly documented from the outset. Refactor existing codebases and conduct detailed peer code reviews. Address complex performance bottlenecks and architectural challenges on a large scale. Work alongside Product and Design teams to translate user needs into practical technical solutions. Promote engineering best practices, clean code principles, and knowledge sharing within the team.

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 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.

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.