LLM Researcher

About ValkaValka, a pioneering spin-off from the Realms Group, is dedicated to transforming the landscape of digital content creation and interaction. Our mission is to ensure that content is not merely consumed but co-created in real time, seamlessly merging imagination with reality. By leveraging advanced AI technologies, we are developing an interactive h…

Gen Digital Inc. brings together well-known consumer brands such as Norton, Avast, LifeLock, and MoneyLion. Serving nearly 500 million users across more than 150 countries, Gen focuses on cybersecurity, online privacy, identity protection, and financial wellness. The company’s mission is to empower digital freedom and security for people around the world. The team values resourcefulness, a strong customer focus, and a willingness to experiment and learn. Gen encourages diverse backgrounds and perspectives, believing these differences lead to stronger results. Collaboration, mutual respect, and support are at the core of the workplace culture. Role overview The Threat Research Internship offers a full-time, onsite summer position with Gen’s Threat Intelligence team in Prague. Running from June 15 to September 15, this internship focuses on developing an AI-powered agent that interacts with social media platforms to find suspicious or harmful ads. The work supports a real-world security project and gives practical experience in AI, automation, and threat detection within cybersecurity. What you will do Help design and implement an AI agent that communicates with social media APIs. Write scripts to extract, filter, and analyze advertisement content for suspicious indicators. Collaborate with team members to define detection logic and integrate sandbox or VM-based analysis. Assist in evaluating and integrating AI models for classifying content and detecting anomalies. Document findings, workflows, and contribute to internal knowledge sharing. Location This internship is based onsite in Prague, Czech Republic. Internship dates June 15 to September 15 (full-time).

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.

Join a Leading Global SaaS Company | $28M Series B Investment | Fully Remote or Hybrid Work The #1 AI Business Communication PlatformAbout CloudTalkWith a remarkable $28 million Series B funding from esteemed investors like KPN Ventures, Lead Ventures, Point 9, and HenQ, CloudTalk is revolutionizing business communication through AI. Our platform empowers over 4,000 sales and support teams to transform customer experience into their most significant competitive advantage for enhanced revenue growth.We cater to businesses of all sizes, from innovative scale-ups like Deel to industry giants such as Nokia, Glovo, and Rakuten. Our mission is to enable businesses worldwide to facilitate meaningful conversations while managing calls and messages seamlessly from a single platform.At CloudTalk, we strive to create an integrated ecosystem for communication among sales and customer service teams, allowing every professional to engage in more productive and impactful conversations.Your Challenge:Are you prepared to influence the future of AI-driven solutions? Join our AI Team — the forefront of our technological advancements. This team is dedicated to developing cutting-edge innovations and exceptional AI voice solutions, including voice agents, AI-generated summaries, and voicemail detection.Your Responsibilities:Design and prototype the integration of AI capabilities into CloudTalk’s offerings, addressing model limitations, latency, cost, and reliability.Collaborate with product and engineering teams to conceptualize, define, and deliver new AI-powered features for voice and conversation intelligence.Conduct thorough research and evaluation of emerging AI models, tools, and architectures to identify optimal solutions for real-world applications.Develop prototypes and proof-of-concept solutions to validate innovative ideas prior to production deployment.Implement chosen solutions into production systems or partner closely with engineers to facilitate their integration.Evaluate and benchmark large language models (LLMs) and speech models to inform technical direction and product strategy.Create and manage automated evaluation pipelines to accelerate the feedback loop between research and production.Enhance existing AI functionalities through experimentation, prompt design, and system-level optimizations.Maintain an in-depth understanding of CloudTalk’s systems to ensure reliable AI integration.Promote best practices in the development, testing, and operation of AI systems.Stay informed about the latest AI advancements and continually assess their potential impact on our products.Your Profile:Proven experience with AI systems, particularly LLM-based or speech-based applications.Ability to design pragmatic AI solutions while recognizing the limitations of existing models.Strong problem-solving and analytical abilities.Comfortable exploring new technologies and conducting experiments to drive innovation.Excellent communication skills and a collaborative mindset.

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 the forefront of cloud networking and security!Cato Networks is the pioneering force in unifying enterprise networking and security into a single, global service powered by the cloud. Founded by industry luminaries including Shlomo Kramer (Check Point, Imperva), we are redefining the landscape of network security with our innovative technology that has led to the emergence of a new product category known as SASE, which is projected to reach $28.5 billion by 2028. Don’t miss your chance to be a part of this transformative journey with a company poised to become the global leader in secure enterprise networking.We are seeking proactive and analytical individuals to join our Cato Network Security Content team as a Security Researcher (Network & Apps Research). In this role, you will dive deep into the analysis of network protocols and application traffic across layers 4 to 7, utilizing modern big data frameworks and tools such as Wireshark, Fiddler, BurpSuite, and DevTool.Your primary responsibility will be to create and refine content signatures for Cato's suite of security and network solutions, including Next-Generation Firewall (NGWF), Cloud Access Security Broker (CASB), Data Loss Prevention (DLP), and IoT/OT security, among others. This is an exceptional opportunity for passionate network security enthusiasts looking to shape the future of enterprise networking.

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.

The User Experience Research Intern (Summer) position at Gen offers a hands-on, onsite internship in Prague or Brno from 15 June to 15 September. This full-time role places you alongside experienced researchers, designers, and product teams, providing direct exposure to real product development and user research within the cybersecurity and consumer SaaS space. Role overview This internship centers on supporting research for consumer SaaS security products such as Norton. Interns work closely with cross-functional teams to investigate user behavior and contribute insights that shape the design and improvement of security products for a global audience. What you will do Assist in planning and carrying out user research activities focused on digital security products. Collaborate with researchers, designers, and product teams to gather and interpret user feedback. Help analyze user interactions and report findings that inform product, business, and design decisions. Internship details Location: Onsite in Prague or Brno Duration: 15 June to 15 September Full-time, in-person collaboration and mentorship Who this internship suits This role is well-suited to those interested in how people interact with digital products and curious about the influence of user insights on technology design and business strategy. It offers the chance to learn from established professionals in a collaborative environment focused on digital security and user experience.

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

Join our dynamic team at psicro as a Clinical Trials Business Development Representative. In this pivotal role, you will be responsible for identifying new business opportunities, building relationships with clients, and contributing to our mission of advancing clinical research.

Role Overview NielsenIQ is hiring an Associate Director of Deal Desk in Prague. This position shapes pricing and deal strategy for the business. The role works closely with teams across the company to align financial targets with broader business goals. What You Will Do Partner with cross-functional groups to develop and refine pricing approaches Structure deals and support contract negotiations Help ensure financial objectives match business priorities Identify ways to improve efficiency in deal processes and pricing models Impact This role supports NielsenIQ’s position in the market by strengthening how deals are structured and negotiated.