Senior Machine Learning Engineer - AI Detection Team

Sentinel Labs is looking for a Senior Machine Learning Engineer to join the AI Detection Team in Prague. This role centers on advancing Static AI Detection technology, with a focus on developing algorithms and models that strengthen AI detection capabilities for organizations around the world. Role overview The Senior Machine Learning Engineer will work closely with colleagues from different disciplines to design, implement, and optimize machine learning solutions. The position involves analyzing data, building prototypes, and refining processes to improve the performance of AI systems. What you will do Develop and enhance algorithms and models for AI detection Collaborate with cross-functional teams on impactful projects Analyze data to inform model development Build and test prototypes to validate new approaches Refine processes to ensure optimal system performance Location This position is based in Prague, Czech Republic.

Join Filevine, a pioneering Legal AI company redefining the future landscape of legal work through our innovative Legal Operating Intelligence (LOIS) platform. Our unique system integrates data, documents, workflows, and teams into a cohesive environment where legal professionals can operate with exceptional clarity and efficiency.With LOIS at its core, Filevine empowers legal professionals by transforming operations from reactive to proactive, utilizing advanced capabilities to comprehend and analyze data. Our award-winning technology, recognized by Deloitte and Inc., continues to earn accolades for innovation and rapid growth. Collaborate with a dynamic team of visionaries and innovators dedicated to reshaping the legal field.Role Overview:As a Machine Learning Engineer at Filevine, you will spearhead the design and implementation of advanced NLP models for applications such as medical summarization, credibility assessment, and contradiction detection. Your role will also involve enhancing our transcription pipelines and automating internal AI processes. Collaborate closely with engineering teams to integrate these models into production, ensuring optimal system stability and accuracy while driving forward-thinking advancements in NLP, particularly in the legal and medical sectors, utilizing tools such as Python, PyTorch, and AWS.

About the RoleJoin Rossum, where we leverage cutting-edge machine learning and an intuitive user interface to streamline document processing and enhance efficiency across various industries. Our AI Research Team develops proprietary neural architectures that drive our production systems, enabling the processing of millions of documents weekly for clients globally.We are seeking a talented Senior AI Research Engineer to become a pivotal member of our AI Research Team (R&D). In this role, you will advance the field of document understanding through the training of innovative models from inception to realization, and by creating research prototypes and solutions that significantly enhance our product's capabilities.You will work at the intersection of groundbreaking global research and our internal model development, directly impacting our long-term model strategy and technical roadmap, enabling successful concepts to swiftly transition into scalable systems for customer use.As part of a collaborative team of seasoned researchers and engineers, you will work closely with Product and AI Platform Teams within a shared monorepo, fostering rapid experimentation, continuous delivery, and tangible customer impact.What You'll DoYou will be a leading force in shaping Rossum's document understanding strategy, managing comprehensive research initiatives while guiding the evolution of our models and platforms.Key Responsibilities Include:Lead research projects spanning deep learning, NLP, computer vision, and multimodal systems — integrating insights from global research with in-house innovation to create proprietary, production-ready models for Rossum.Design and execute innovative experiments with a proactive mindset, rapidly prototyping while evaluating deployment considerations to ensure real-world impact — focusing on inference cost, latency, robustness, and reliability.Manage large-scale NLP and vision training systems, overseeing architecture design, distributed training, and in-house benchmarks to align critical metrics with product needs.Utilize top-tier research infrastructure, including high-performance GPU clusters and large-memory machines, to conduct ambitious experiments at real-world scale.Influence Rossum’s technical roadmap by pinpointing high-impact research directions and driving their development from concept to customer implementation.Mentor and guide junior researchers and engineers, fostering a culture of learning and innovation within the team.

JetBrains is seeking a Senior Machine Learning Researcher to focus on Spectrum. This position centers on applying machine learning expertise to improve product features and contribute to ongoing research efforts. Role overview This role involves working with a team dedicated to advancing the capabilities of Spectrum. The Senior Machine Learning Researcher will use their knowledge to influence product direction and participate in research projects that drive innovation. Key responsibilities Apply machine learning methods to enhance Spectrum's technology. Contribute to research initiatives that inform future product development. Share insights and provide leadership within the research team. Locations This position is available in Amsterdam, Belgrade, Berlin, Limassol, Madrid, Munich, Paphos, Prague, Warsaw, and Yerevan.

Join Filevine, a pioneering leader in Legal AI, as we redefine the future of legal operations through our innovative platform that integrates data, documents, workflows, and teams into a singular system of truth. Our Legal Operating Intelligence System, LOIS, empowers legal professionals by transforming operations from reactive to proactive, providing insights that enhance clarity and confidence.As a recognized innovator in the tech industry, Filevine has received accolades from prestigious organizations like Deloitte and Inc., solidifying our position as one of the fastest-growing technology companies in the country.Role Summary:We are on the lookout for a dedicated Machine Learning Data Annotator to play a vital role in the development of our AI-driven products. In this position, you will be responsible for generating high-quality annotations for machine learning tasks, which are essential for model training, evaluation, retrieval, and quality analysis. Your expertise will also involve conducting error analysis of model outputs, assessing the performance of various approaches, and collaborating with cross-functional teams to optimize datasets and workflows.Your contributions will be critical in ensuring data accuracy, consistency, and completeness, which directly influences the effectiveness of our AI solutions.This is a full-time independent contractor position.

About SentinelOne SentinelOne develops AI-powered cybersecurity solutions that protect businesses, infrastructure, and emerging technologies. The platform brings together endpoint, cloud, identity, data, and AI system protection, using real-time analytics and automation to help security teams focus on what matters most. The Prague office is home to engineers and security experts who collaborate to advance these capabilities. Role Overview: Senior Windows Identity Detection Engineer This position focuses on identifying and countering new identity-based threats within Windows environments. The engineer will design and implement behavior-based detection methods, create tools and proofs of concept to prevent attacks like Pass-the-Hash, Silver Ticket, and multi-factor authentication bypass. The work directly strengthens the security of millions of Windows endpoints running SentinelOne’s platform. This is also an opportunity to help shape SentinelOne’s new Identity Security business area, contributing from the earliest stages and expanding expertise beyond Windows security. Key Responsibilities Lead research, design, and implementation of behavior-based detection for emerging identity threats in Windows environments. Develop tools and proofs of concept to address attacks such as Pass-the-Hash, Silver Ticket, and MFA bypass. Take end-to-end ownership of detection capabilities, from initial research through deployment. Location Based in Prague, Czech Republic.

Filevine is at the forefront of Legal AI, offering innovative Legal Operating Intelligence designed for the future of legal work. Our platform integrates data, documents, workflows, and teams into a cohesive system, ensuring clarity and consistency in modern legal operations.Our proprietary Legal Operating Intelligence System, LOIS, revolutionizes legal operations by transforming them from reactive to proactive. LOIS comprehends, analyzes, and interprets data to uncover insights, streamline complexities, and empower legal professionals with the clarity and confidence they need to excel. Recognized by Deloitte and Inc. as one of the most innovative and rapidly expanding tech companies in the nation, Filevine thrives on the creativity and collaboration of its exceptional team.Role Overview:We are a group of passionate and driven problem solvers with expertise in machine learning, engineering, product management, law, and operations. Our mission is to assist attorneys in resolving cases more efficiently for improved outcomes. With two established ML teams exploring new frontiers in transcription, NLP, and GenAI applications, we are currently developing a vital analytics framework to ensure operational excellence, uphold quality standards, and foster continuous improvement across our AI systems.

Join Collibra's Innovative Artificial Intelligence Team We are on the lookout for a seasoned AI Engineer to architect and implement Artificial Intelligence solutions that enhance our customer experience and facilitate informed, data-driven decision-making. If you are passionate about leveraging cutting-edge technologies to create effective, high-performance AI solutions, this role is for you. You will collaborate with a global team of exceptional builders, united by a commitment to innovative technology, problem-solving, and the pursuit of crafting simple, elegant products that engage and delight customers at every level of data interaction. This is a hybrid role based in our Prague office, where you will work on-site at least two days a week. This model fosters connectivity, teamwork, and collective progress.

Role Overview Rossum AI is hiring a Junior AI Platform Engineer to join the AI Platform (R&D) team in Prague. This entry-level role suits recent graduates or junior engineers interested in AI infrastructure and large-scale machine learning systems. As part of the team, you will help build and maintain Rossum’s proprietary LLM models. The work involves deploying AI solutions that process millions of documents, and collaborating closely with experienced research engineers. This position offers hands-on exposure to both platform engineering and machine learning in a production environment. What You Will Do Contribute to AI Infrastructure: Support the development of cloud-based AI systems (AWS), data processing pipelines, and model deployment workflows. Support CI/CD Processes: Help maintain and improve continuous integration and delivery pipelines to enable reliable model versioning and testing. System Monitoring: Build and refine monitoring tools to keep AI systems healthy and reliable. Cross-Team Collaboration: Work with research, backend, and product teams to bring new AI models into production smoothly. What We Look For Education: Degree in Computer Science or a related technical field. Background from Matfyz, CTU, FSV, or similar institutions is a plus. Python Skills: Solid programming experience in Python, gained through coursework, personal projects, or internships. Technical Fundamentals: Familiarity with SQL, and a basic understanding of Docker and Kubernetes. Interest in AI/ML: Curiosity about AI and machine learning, with a hands-on approach to understanding how systems work. English Communication: Comfortable communicating in English in a professional setting. What Success Looks Like First 3 Months: Complete onboarding, learn the system architecture, and deliver your first small tasks with guidance from a senior mentor. First 6 Months: Independently handle minor infrastructure improvements and help maintain system stability.

Role overview Pipedrive is hiring a Principal AI/ML Scientist & Engineer in Prague, Czech Republic. This role leads projects focused on artificial intelligence and machine learning, working closely with a skilled team to create solutions that improve business processes and customer experiences. The position plays a key part in shaping the company's AI strategy and driving meaningful results.

At Rossum, we leverage cutting-edge machine learning and a user-friendly interface to eliminate unnecessary paperwork, enhancing efficiency across the globe. Our ML Research Team is at the forefront of developing proprietary, state-of-the-art neural architectures that drive Rossum’s systems, processing millions of documents weekly for clients around the world.We invite exceptional students to join our innovative startup in Prague, where we uphold the elite standards characteristic of Silicon Valley.This internship is anything but ordinary. We seek motivated individuals with a background in ambitious research projects who desire the autonomy to manage their own initiatives while receiving guidance from our esteemed Research Team.THE PROJECT: Your Innovation, Our SupportThis is a 2-month summer internship in ML research with opportunities for long-term collaboration or a potential full-time position based on performance and mutual fit.Your Role:Join Rossum’s Research Team and spearhead your own project that explores state-of-the-art deep learning and LLMs for document understanding.Engage in hands-on work utilizing Python and PyTorch in the realms of Computer Vision and NLP.Conduct experiments on extensive real-world datasets that are integral to Rossum’s operational systems.Gain access to advanced research servers equipped with numerous high-performance GPUs, terabytes of RAM, and hundreds of CPU cores.Collaborate closely with senior researchers and engineers who are shaping the core technologies at Rossum.After a successful interview, instead of merely assigning a task, we will tailor a project to align with your research interests and passions.High-achieving interns may find their work integrated into production systems, influence internal research directions, and even co-author publications.ABOUT YOUYou are a standout student with a keen interest in Machine Learning, Computer Vision, or NLP, likely in the latter stages of your Bachelor’s program or currently pursuing a Master’s or PhD.You offer:Practical ML experience through academic projects, internships, or research.

Sentinel Labs is hiring a Senior or Staff Windows Malware Researcher / Detection Engineer in Prague, Czech Republic. This position focuses on strengthening malware analysis and detection for Windows environments. Role overview The role centers on analyzing malware and improving detection methods. Collaboration with a skilled team is key, as the group works together to identify and reduce cyber threats. The position supports ongoing efforts to develop new ways to protect clients from changing security risks. What you will do Analyze Windows-based malware to understand threats and attack techniques Contribute to detection technologies that help identify and stop malicious activity Work closely with other security professionals to create and refine solutions Requirements Expertise in malware analysis and detection for Windows platforms Experience working with security teams on threat mitigation

People.ai is a cutting-edge AI-driven foundational data platform, dedicated to empowering organizations in achieving go-to-market success and growth. Our solutions are tailored to meet the unique needs of teams, offering enhanced visibility into pipelines, actionable insights, and a unified source of truth for all sales activities.People.ai stands out with its unique dataset, comprising trillions of sales activities, millions of deals, and a vast network of 160 million business contacts, supported by 69 approved patents in AI-based business insights. Esteemed companies like Verizon, Red Hat, and Palo Alto Networks trust our enterprise-ready, patented AI technology.At People.ai, we embrace the transformative power of creativity, resourcefulness, and critical thinking in enriching the professional landscape. Our diverse team of innovative thinkers is committed to driving meaningful change and fostering growth. We celebrate uniqueness and applaud non-traditional career journeys, drawing inspiration from those who redefine processes.As a Senior Software Engineer within our XCore team, you will engage with one of the most significant projects at People.ai — Forecasting. Your role involves building and continuously improving a live product that serves active daily users, collaborating closely with business teams and customers through discovery calls. Your contributions will directly influence the company’s revenue by shaping and delivering features based on authentic customer feedback, fundamentally impacting how clients plan, forecast results, and make crucial business decisions.Moreover, you will work in collaboration with our Engineering and R&D teams to enhance core Admin Platform services, including authentication, user management, settings, and configurations. Utilizing customer insights and data analytics, you will design and develop high-performance, low-latency systems and APIs that scale effectively while optimizing our operational costs.Ownership is a core value at People.ai — the ability to see an idea through all stages, from conception to product launch. This ethos is deeply ingrained in our engineering culture. As an engineer at People.ai, you will be part of a highly independent and collaborative environment, driving innovation and excellence.

About ShipMonkAt ShipMonk, we transcend traditional 3PL services; we act as a growth partner for merchants. Our cutting-edge technology combined with our proprietary network of fulfillment centers empowers high-growth eCommerce and DTC brands to focus on growth while we handle fulfillment seamlessly. With a dedicated team of over 2,500 employees across five countries, we are committed to transforming fulfillment. Our mission is to provide the fastest click-to-delivery service, real-time inventory management, and tailored solutions—all driven by a merchant-first philosophy.Why Join ShipMonk?We believe in building enduring partnerships, which is evident through five key differentiators that position us as true allies to our merchants.● Global Fulfillment Network: Our 12+ owned fulfillment centers located across the US, Canada, Mexico, the U.K., and Mainland Europe ensure quality and consistency by never outsourcing our operations.● Proprietary Technology: Our AI-powered platform offers a real-time, unified view of inventory and orders, granting our merchants the control and visibility essential for their success.● Unrivaled Support: We pride ourselves on providing personalized, hands-on support with a global presence. Our dedicated teams are always on-site, ready to assist.● Transparent Pricing: We advocate for honest, long-term partnerships with our all-inclusive pricing model that guarantees predictable costs without hidden fees.● Future Commitment: With over $10 million invested annually in R&D, we ensure our technology and services continuously evolve, solidifying our role as a long-term partner.

About the RoleWe are seeking an experienced Senior Backend Engineer to become a vital member of our Main Application Team (MAT). In this influential role, you will be instrumental in designing and enhancing the backend systems that drive Rossum’s primary product, facilitating complex document processing workflows and extensive data flows utilized by our global customers.This position transcends mere implementation; our engineers understand that technical debt and scalability are challenges we must tackle. We are looking for you to help define those solutions. You will collaborate closely with Product, Frontend, and other Backend teams to implement features that effectively balance immediate requirements with long-term maintainability.What You'll DoAs a key contributor to our backend initiatives, you will oversee daily operations while identifying strategic enhancements to ensure our systems remain reliable and easy to develop upon.Your main responsibilities will include:Designing, implementing, and maintaining backend services and APIs for Rossum’s core platform.Taking ownership of significant backend features or components from conception to production.Writing high-quality, thoroughly tested code with a persistent focus on scalability, reliability, and security.Collaborating across departments, engaging in code reviews to provide constructive feedback and working closely with Frontend and Product teams.Proactively identifying and addressing performance, reliability, and operational challenges to foster technical excellence.Who You AreWe are looking for a straightforward problem solver who is not afraid to question assumptions. You should possess:Robust professional experience in backend engineering within a production environment.Expertise in Python (or a similar backend language) with a solid grasp of relational databases.A blend of hands-on execution and strategic thinking, particularly in designing REST APIs and managing backend services.Familiarity with AI coding tools and a proven history of driving features through their complete lifecycle.

At GoodData, we are transforming data analytics for the AI era. Our mission focuses on integrating AI as a key component of the GoodData platform, ensuring it is not merely an add-on but a fundamental aspect of our offering.We are seeking a Senior AI Architect to spearhead this initiative. In this pivotal role within our technical leadership team, you will help us stay ahead of the evolving AI landscape.This position goes beyond traditional enterprise architecture; it requires a visionary who views architecture as a dynamic system, embraces rapid experimentation, and is committed to delivering results.Key ResponsibilitiesEngage actively in hands-on development: prototype, implement, refactor, guide, and assist others as necessary.Critically evaluate existing assumptions that no longer hold up under scaling.Lead and influence the architecture of AI-driven features within the GoodData platform.Design adaptable, evolvable, and resilient systems that thrive in uncertainty rather than false stability.Steer the technical direction and decision-making processes within the AI team.Work across the technology stack, with a strong focus on backend development while maintaining front-end awareness.Translate AI advancements into practical, deployable product solutions.Mentor senior engineers to elevate the overall technical capabilities of the team.Your ProfileDemonstrate a strong sense of ownership; you proactively identify and resolve challenges.Exhibit a pragmatic, results-oriented, and execution-focused mindset.Approach AI as an integral part of workflows, considering factors like probabilistic systems, model limitations, and human-in-the-loop design.Be enthusiastic about testing emerging AI trends and evaluating their practical impact in production environments.Be comfortable designing systems where deterministic outcomes are optional.Possess strong backend engineering skills (Python, Langfuse, Qdrant, MCP, Deepeval, PyTorch, etc.) with a solid understanding of frontend principles.Have experience in designing distributed systems, APIs, service boundaries, and scalable, observable platforms.

Role Overview GoodData is looking for a Senior Python Engineer with a focus on Artificial Intelligence to join the team in Prague. This role centers on building AI solutions that support data analytics and business intelligence initiatives. What You Will Do Develop AI-driven features and tools using Python Work on projects that advance data analytics and business intelligence capabilities Collaborate with other engineers and teams to deliver reliable, scalable solutions Location This position is based in Prague.

Join Filevine, a pioneering company in Legal AI, as we revolutionize the future of legal work with our innovative Legal Operating Intelligence platform. Our unique system consolidates data, documents, workflows, and teams into a cohesive environment, ensuring clarity and consistency in modern legal operations.With the power of LOIS, our Legal Operating Intelligence System, we redefine legal operations, shifting from reactive to proactive approaches. LOIS intelligently analyzes and interprets data to provide insights, automate complexities, and empower legal professionals with the clarity and confidence they need to maximize their potential. Thanks to our team of brilliant innovators and collaborators, Filevine has garnered numerous accolades, including recognition from Deloitte and Inc. as one of the fastest-growing and most innovative tech companies in the country.Role Overview:As a Senior Platform Engineer, you will be instrumental in constructing and enhancing the foundational architecture of Filevine’s engineering ecosystem. Your responsibilities will include designing robust infrastructure, ensuring system reliability, and implementing automation processes to keep our platform swift, stable, and primed for growth. You will collaborate closely with Machine Learning teams to manage cutting-edge ML/AI pipelines, fortify our MLOps framework, and propel our platform's advancement forward.This position transcends traditional “DevOps tasks”; it focuses on architecting systems, minimizing unnecessary workload, and creating an environment where every engineer can deliver exceptional software with ease and security.

Veeam Software supports organizations in understanding, protecting, and strengthening their data and AI systems. The company emphasizes data resilience and security posture management, connecting identity, data, security, and AI risk. Headquartered in Seattle, Veeam operates in over 30 countries and serves more than 550,000 customers who rely on dependable business continuity. Role overview This Senior AI Developer position is located in Prague, Czechia. The main focus is integrating AI technologies into Veeam’s product suite to enhance both functionality and performance. What you will do Develop and refine REST APIs using Python Contribute to projects that add AI features to existing Veeam solutions Work closely with fellow developers and product teams to deliver product improvements Requirements Solid experience with Python Strong understanding of REST API development Experience integrating AI technologies is an advantage

Join us at the forefront of technology, where we are revolutionizing the data storage landscape. Lead with creativity, evolve with us, and become part of the brightest minds in the industry.Our mission is rooted in work that transforms the world, staying true to the values that founded the tech industry. If you're eager to embrace limitless possibilities and leave your mark, we invite you to join our team.THE ROLEAs a Data / AI Engineer, you will design a high-performance data ecosystem that converts raw data into actionable intelligence and advanced AI solutions. Collaborating with Data Scientists and Product Managers, you will establish the infrastructure necessary to scale our AI capabilities, setting the stage for the future of automated customer support and operational excellence.WHAT YOU'LL DOArchitect Scalable Data Infrastructure: Design, deploy, and enhance ETL pipelines and data models that generate high-quality, AI-ready datasets for global business insights.Drive AI Evolution: Spearhead the technical development of AI-driven workflows, integrating innovative LLM frameworks to automate intricate business operations and improve decision-making.Ensure Data Excellence and Integrity: Oversee the complete data management lifecycle, implementing strong governance, security, and monitoring to uphold a "single source of truth" for key stakeholders.Collaborate and Solve Across Functions: Work alongside cross-functional teams to translate business needs into technical specifications, serving as the vital link that transforms raw data into meaningful organizational impact.Operational Reliability: Manage on-call support during business hours to guarantee smooth operation of ingestion systems, ensuring high availability for our global data users.WHAT YOU BRINGAdvanced Engineering Proficiency: Extensive technical knowledge in SQL, Python, and data modeling, with a successful history of maintaining complex data pipelines and workflow orchestration tools like Airflow or DBT.Modern Data Stack Expertise: Practical experience in managing relational and NoSQL databases (such as Snowflake, PostgreSQL, or MongoDB) within AWS cloud environments.Growth Mindset & AI Curiosity: A strong desire to learn and innovate in the field of AI.