AI Researcher - Early Career Opportunity

Why Join Nebius?Nebius is at the forefront of a new era in cloud computing, specifically tailored to support the burgeoning global AI economy. We equip our clients with innovative tools and resources, enabling them to tackle real-world challenges and revolutionize industries without the burden of exorbitant infrastructure expenses or the need to develop exte…

Join Nebius and Shape the Future of Cloud Computing!Nebius is at the forefront of a revolutionary shift in cloud computing, catering to the burgeoning global AI economy. We empower our clients with the essential tools and resources needed to tackle real-world challenges and revolutionize industries, all without incurring hefty infrastructure costs or assembling large in-house AI/ML teams. Our team operates at the vanguard of AI cloud infrastructure, collaborating with some of the most seasoned and innovative professionals in the industry.Our Work EnvironmentBased in Amsterdam and publicly traded on Nasdaq, Nebius boasts a global presence with R&D facilities across Europe, North America, and Israel. Our diverse team of over 1,400 employees includes more than 400 adept engineers specializing in hardware and software engineering, complemented by a dedicated in-house AI R&D team.Role Overview:As a Software Engineer at Nebius, you will collaborate closely with seasoned engineers, gaining insights into the design and operation of high-performance backend systems while actively contributing code that powers real-world applications utilized by clients globally. This position offers hands-on experience with cutting-edge backend technologies, scalable architectures, and engineering best practices within a team dedicated to advancing AI cloud infrastructure.

Why Join Nebius?Nebius is at the forefront of cloud computing, dedicated to empowering the global AI economy. We provide the essential tools and resources to help our clients tackle real-world challenges and revolutionize industries, all while minimizing infrastructure expenses and the need for extensive in-house AI/ML teams. Our team works on the cutting edge of AI cloud infrastructure, collaborating with some of the most knowledgeable and innovative leaders and engineers in the industry.Work EnvironmentLocated in the vibrant city of Amsterdam and publicly traded on Nasdaq, Nebius boasts a global presence with R&D centers across Europe, North America, and Israel. Our team consists of over 1,400 professionals, including more than 400 exceptionally skilled engineers with in-depth expertise in both hardware and software engineering, complemented by a dedicated in-house AI R&D team.Role Overview:Primary Focus: Engage in learning network operations while assisting the team with routine tasks related to data center and backbone networks under close supervision.Operational Support (Supervised):Provide assistance in daily network operations for data center and backbone environments.Execute straightforward, well-defined tasks as directed.

Why Join Nebius?Nebius is at the forefront of revolutionizing cloud computing to empower the global AI economy. We develop cutting-edge tools and resources that enable our clients to tackle real-world challenges and revolutionize industries, all while minimizing infrastructure costs and reducing the necessity for large in-house AI/ML teams. Our workforce operates at the forefront of AI cloud infrastructure, collaborating with some of the most experienced and innovative leaders and engineers in the industry.Our Work EnvironmentBased in Amsterdam and publicly listed on Nasdaq, Nebius boasts a global presence with R&D centers across Europe, North America, and Israel. Our diverse team of over 1400 professionals includes more than 400 highly skilled engineers excelling in both hardware and software development, complemented by an in-house AI R&D team.The RoleThis opportunity is part of Nebius AI R&D, a team dedicated to applied research in AI. Recent applied research published by our team includes:Applying reinforcement learning for agent training in long-context multi-turn scenariosDramatically scaling task data collection to enhance reinforcement learning for software engineering (SWE) agentsDeveloping a decontaminated evaluation system for SWE agents that is consistently updatedInvestigating test-time guided search methods to create more powerful agentsThe outcomes of our research frequently pave the way for collaboration with adjacent teams, allowing practical applications of our findings.We are currently seeking experienced ML engineers at the senior and staff levels to engage in research projects that include:Guided search and reinforcement learning for agentic systemsReinforcement learning applications for reasoning modelsWeb-scale data collection for agent trainingEfficient model distillation techniquesKey Responsibilities:Conducting experiments to identify effective methods for training large language models based on interaction traces with various environmentsExploring guided generation and search methodologies within trajectory spacesDevising innovative strategies for mining relevant data at web scale

At JetBrains, we are driven by a passion for code. Since our inception in 2000, we've dedicated ourselves to crafting the most powerful and efficient developer tools available. As AI-driven coding agents become integral to Kotlin development, we are committed to ensuring these tools excel in their purpose. The Kotlin AI Value Stream team plays a pivotal role in how AI agents comprehend, generate, and enhance Kotlin code across diverse platforms, including Android, Kotlin Multiplatform, server-side, web, and desktop applications. We develop evaluation infrastructures, error analysis tools, and post-training pipelines that assess and enhance agent performance on actual Kotlin developer tasks. In your role as a Research Engineer with our team, you will take charge of the complete feedback loop: Analyze failures in Kotlin code generated by agents, devise evaluations to identify those failures, research and implement strategies for improvement, and measure the outcomes. Your contributions will significantly influence how millions of developers interact with Kotlin through AI coding agents.

Why Join NebiusNebius is at the forefront of a transformative era in cloud computing, empowering the global AI economy. We are dedicated to providing innovative tools and resources that enable our clients to tackle real-world challenges and revolutionize industries, all while minimizing infrastructure costs and eliminating the need for extensive in-house AI/ML teams. Our team members are pioneering advancements in AI cloud infrastructure, collaborating with some of the most skilled and visionary leaders and engineers in the industry.Our Work EnvironmentBased in Amsterdam and publicly traded on Nasdaq, Nebius boasts a global presence with R&D hubs across Europe, North America, and Israel. Our workforce consists of over 1,400 professionals, including more than 400 highly knowledgeable engineers who specialize in both hardware and software engineering, along with a dedicated in-house AI R&D team.Position Overview:Location: AmsterdamDuration: 3 monthsStart Date: June 2026Compensation: PaidEligibility: Current University student (Computer Science or related field), Recent Graduate or Early Career specialistWork Authorization: Authorized to work in the job’s locationThe RoleWe are seeking an Early Career Full Stack Developer to create cloud-based integrations on Microsoft Azure. This position offers the opportunity to collaborate with seasoned engineers and acquire hands-on experience in developing API-driven and cloud-native integration solutions.

Join Nebius and Shape the Future of AINebius is pioneering a transformative approach to cloud computing, dedicated to empowering the global AI economy. Our mission is to provide the essential tools and resources that enable our clients to tackle real-world challenges and revolutionize industries, all while minimizing infrastructure costs and the necessity of extensive in-house AI/ML teams. Our talented workforce operates at the forefront of AI cloud infrastructure, collaborating with some of the most innovative and experienced leaders and engineers in the industry.Our Work EnvironmentLocated in Amsterdam and publicly listed on Nasdaq, Nebius boasts a global presence with R&D centers across Europe, North America, and Israel. Our diverse team, comprising over 1,400 employees, includes more than 400 highly skilled engineers, equipped with deep expertise in both hardware and software engineering, as well as an in-house AI R&D team.We are on the lookout for a Staff or Principal Applied AI Researcher to join our rapidly expanding team, focused on developing an agent-native search platform—the vital web access layer for AI systems.Unlike traditional search methodologies, we are innovating how AI agents—not humans—access, retrieve, and reason over information available on the internet. As AI increasingly becomes the primary interface for web interaction, this pivotal layer is set to transform the function of conventional search engines.This role involves tackling retrieval and search challenges within entirely new access patterns and scales.Depending on your experience and the responsibilities you take on, this position can be classified at either the Staff or Principal level, granting you ownership over vital aspects of our applied AI research trajectory.You will lead applied research initiatives that directly enhance how AI systems retrieve, ground, and utilize real-world information in production, ensuring that research is closely linked to large-scale deployment.Your ResponsibilitiesEngage in projects at the intersection of search, retrieval, and LLM-based systems, shaping how AI agents engage with the web. This includes designing agent-native retrieval systems (distinct from human search UX), developing systems where LLMs actively query, iterate, and reason over results, and collaborating with cross-functional teams to foster innovation.

Join WPP Media as a Research Intern and immerse yourself in an innovative environment where creativity meets data-driven insights. As part of our dynamic team, you will assist in conducting comprehensive research that drives strategic decisions and enhances our client offerings. This is a unique opportunity for individuals eager to grow their skills in a fast-paced media landscape.

Why Join Nebius?Nebius is at the forefront of cloud computing, empowering the global AI economy. We provide essential tools and resources that allow our clients to tackle real-world challenges and revolutionize their industries without incurring substantial infrastructure costs or the need for extensive in-house AI/ML teams. Our team is composed of some of the most experienced and innovative leaders and engineers in the field, working on the cutting edge of AI cloud infrastructure.Our Work EnvironmentBased in Amsterdam and listed on Nasdaq, Nebius has a global presence with R&D hubs spread across Europe, North America, and Israel. Our diverse team of over 1,400 employees includes more than 400 highly skilled engineers with profound expertise in both hardware and software engineering, complemented by an in-house AI R&D team.Your RoleNebius is seeking an enthusiastic Product Operations Specialist as part of our Early Talent Program. You can work from our offices located in Amsterdam or Belgrade.Your Responsibilities Include:Developing...

Your RoleAs an Early Intervention Specialist in Amsterdam, you will collaborate with housing associations, health insurers, and local government to assist individuals facing payment difficulties. Your proactive engagement will help prevent further debt escalation, ensuring they receive the necessary support.Your responsibilities include visiting clients at their homes to discuss the root causes of their financial challenges. By doing so, you will help avert severe issues such as eviction. Through thorough assessments and by providing simple advice and information, you will foster a sense of calm and trust. You will competently address straightforward issues, while complex cases will be referred to appropriate specialists. Having a solid network and familiarity with the social services landscape in Amsterdam Zuidoost is advantageous. Your experience should equip you with substantial knowledge of finances, budgeting, and relevant social and legal regulations.

Join us at the Career Fair 2025 to explore exciting opportunities with Software Improvement Group. We are looking for talented individuals eager to make an impact in the software industry. Engage with our team, learn more about our innovative projects, and discover how you can contribute to our mission of improving software quality. We welcome applications across various roles in our Delivery – Service Center department.

About CuspAICuspAI is a pioneering AI company dedicated to unlocking breakthrough materials essential for advancing human progress. While nature has taken billions of years to refine molecules, we leverage the power of AI to achieve trillion-dollar material breakthroughs in mere months instead of millennia. Our founding team is recognized as the most cited globally, featuring elite researchers in AI, chemistry, and engineering.We tackle some of the most pressing and complex challenges, including energy solutions, clean water access, future computing technologies, and carbon capture. This is merely the beginning of what our innovative 'search engine' for next-generation materials can achieve.Join our diverse and forward-thinking team at the intersection of AI and materials science, where your contributions will foster impactful partnerships and drive innovation, scalability, and collaboration across industries. Your work is significant—let’s make it count.Be part of the on-demand materials revolution. Join us!

Join JetBrains as a Staff Research Engineer specializing in pre-training technologies. In this pivotal role, you will lead groundbreaking research initiatives aimed at enhancing our AI capabilities. Collaborate with a talented team of engineers and researchers to innovate and implement cutting-edge solutions that push the boundaries of software development and AI integration.

Join our innovative team at pinely as a Staff Research Scientist / Principal Deep Learning Scientist, where you'll spearhead groundbreaking AI research initiatives. In this prominent individual contributor role, you will be at the forefront of technical advancements, crafting research strategies that influence the entire team.We are looking for someone with a profound curiosity and a strong history of leadership in AI laboratories. You should possess hands-on experience with neural networks and applied AI research, ready to take the initiative and make tangible contributions to the development and deployment of advanced models.Key Responsibilities:Lead the creation of AI models that underpin all elements of our trading strategies across global markets.Address the ultimate challenge of forecasting the future by “solving” the complexities of financial markets, leveraging your understanding of deep neural networks amidst diverse, noisy, and ever-evolving dependencies.Guide the direction of research and enhance team capabilities through your deep expertise and insights.Participate in all phases of research, from concept generation to deployment, ensuring the seamless integration of new findings into production systems.Qualifications:Experience as a Senior/Staff/Principal Researcher at a prestigious AI lab or as a faculty member (Professor/Lecturer) at a renowned AI research institution (e.g., Stanford, Berkeley, CMU, MIT, Mila, ETH, UofT, Oxford, UCL, NYU, Princeton).Preferred expertise in competitive, application-driven AI domains such as LLMs, reasoning architectures, generative modalities (e.g., video), or mechanistic interpretability.A drive for impactful research depth with a focus on contributing meaningfully to both the team and the wider field.What We Offer:A unique opportunity to make significant contributions across the entirety of our trading portfolio.Competitive compensation with exceptional profit-sharing potential.A research-driven environment where your deep technical insights directly influence outcomes.Flexibility to work part-time alongside your academic lab commitments.A culture that fosters personal initiative, supports exploration of new ideas, and acknowledges outstanding performance.Flexible work options, with the choice of working from our Amsterdam office or fully remotely, along with potential business travel as needed.

Why Join Nebius?Nebius is pioneering a transformative approach in cloud computing, catering to the burgeoning global AI economy. We equip our clients with the essential tools and resources they need to tackle real-world problems and revolutionize industries—all while minimizing infrastructure costs and eliminating the necessity of building extensive in-house AI/ML teams. Our team operates at the forefront of AI cloud infrastructure, working alongside some of the most seasoned and innovative leaders and engineers in the industry.Our Work EnvironmentBased in Amsterdam and publicly traded on Nasdaq, Nebius boasts a global presence with R&D centers across Europe, North America, and Israel. Our workforce comprises over 1,400 employees, including more than 400 highly skilled engineers with extensive expertise in both hardware and software engineering, complemented by an in-house AI R&D team.Job Overview:Location: AmsterdamDuration: 3 monthsStart Date: June 2026Compensation: Paid InternshipEligibility: Current University student (in Computer Science or a related field), Recent Graduate, or Early Career SpecialistWork Authorization: Must be authorized to work in the job's location.Role ResponsibilitiesWe are seeking an Early Talent to assist in developing cloud-based integrations on Microsoft Azure. You will collaborate with seasoned engineers and gain practical experience in building API-driven and cloud-native integration solutions.

Join our dynamic team at Pinely as a Deep Learning Research Group Lead, where you will spearhead innovative AI research initiatives and take full charge of one of our key subgroups. This pivotal role is essential to our organization as our deep learning strategies increasingly drive our business growth each year. The team you lead will have a significant impact across various markets and asset classes.Your Responsibilities:Lead the development of advanced AI models, particularly foundational models for market data, to accurately forecast prices of financial instruments in diverse and rapidly changing markets.Define and steer the research agenda: formulate hypotheses, design experiments, and thoroughly validate findings.Mentor and guide researchers, focusing on recruitment, motivation, development, and retention of top talent.Streamline the research process to ensure it is efficient, transparent, and value-centric.Consolidate results from various researchers into a cohesive, functional product.Engage in coding and strategy development, not merely oversight.Gradually broaden your responsibilities within the deep learning division.Candidate Profile:A passionate and adaptable deep learning researcher with a strong background in technical leadership.Preferably with expertise in competitive, application-driven AI fields such as large language models, reasoning systems, and generative models (e.g., video).Motivated by depth of research and real-world impact, eager to contribute meaningfully to both the team and the broader field.A supportive leader who maintains a high-performance pace while nurturing a positive team environment.While prior trading experience is beneficial, it is not mandatory; we value a first-principles mindset and a readiness to innovate within quantitative markets.What We Offer:Significant influence on a core aspect of the company—deep learning is vital for our growth.Immediate effect on real profit and loss: streamlined processes, rapid feedback loops, and direct evaluation of your contributions.A unique setting for data-driven research, complete with extensive datasets, reproducible experiments, and results substantiated by billions of observations.Robust engineering support and access to a Data Center equipped with H200s, doubling in capacity each year.Engagement with complex challenges in a highly competitive environment characterized by low signal-to-noise ratios and vast amounts of loosely correlated data that demand innovative, rigorous, and advanced solutions.The chance to create foundational models for finance, shaping the future of the quantitative industry.The freedom to experiment, delve into extensive research, and establish your vision for model and strategy development.A top-tier team based in Amsterdam, with strong offline collaboration and a streamlined hierarchy.

At JetBrains, we are passionate about crafting exceptional developer tools. Since our inception in 2000, we have dedicated ourselves to creating the most effective and innovative solutions for developers around the globe. With the rise of AI-assisted technology, we are at the forefront of integrating these advancements into our integrated development environments (IDEs). Join our Agentic Models team as a Research Engineer, where you will play a pivotal role in developing multi-step coding agents capable of comprehending extensive codebases, strategizing modifications, utilizing tools, and engaging interactively with users. You will be responsible for designing models, training loops, and evaluation pipelines that drive these intelligent coding agents. Your work will involve merging supervised fine-tuning (SFT) techniques with reinforcement learning (RL) methodologies, coupled with product-oriented evaluations, leveraging our distributed GPU and MapReduce clusters to deploy models across JetBrains products.

About Software Improvement Group Software Improvement Group (SIG) helps organizations strengthen their software quality through detailed source code analysis and hands-on consultancy. Our Sigrid platform supports software portfolio governance, giving clients more control over their technology landscape. With guidance from experienced consultants, clients can turn software into a reliable asset instead of a risk factor. Role Overview: AI Research and Development Engineer Based in Amsterdam, this role sits within the CTO Office. The AI R&D Engineer will focus on designing and prototyping AI-driven solutions for software engineering challenges. The work blends experimentation, engineering, and applied research. What You Will Do Develop rapid prototypes and applications powered by AI Run internal experiments using large language models (LLMs), prompt engineering, and AI coding assistants Analyze data and contribute to machine learning projects, especially those related to software quality and development practices This position suits someone who enjoys quickly building and testing new ideas, especially in a team that values experimentation and innovation. Why Join SIG? Work in a small, innovation-focused team with room to experiment Influence SIG’s AI strategy and future product direction See your work shape client-facing solutions and the evolution of our offerings

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 our innovative team at Pinely as a Quantitative Research Intern in Amsterdam! This internship provides a unique opportunity to delve into high-frequency trading (HFT) strategies, where you will collaborate with seasoned researchers and engineers. You will gain invaluable practical experience in applying advanced methodologies to real financial datasets. During this internship, you will engage in groundbreaking projects aimed at automating and enhancing trading strategies within a dynamic market environment. The duration of the internship ranges from 3 to 6 months, allowing for flexibility based on your availability. Successful candidates may receive a full-time job offer upon completion of the internship.Key ResponsibilitiesContribute to the research and development of innovative high-frequency trading strategies.Analyze existing HFT strategies and market microstructures to uncover new trading opportunities.Collaborate with developers and fellow researchers to implement and fine-tune trading strategies.Assist in refining current trading strategies and supporting quantitative strategy design efforts.QualificationsA strong passion for research and quantitative analysis.Solid understanding of probability theory and mathematical statistics.Proficient in Python and C++ programming languages.Familiarity with machine learning techniques is a plus.Exceptional performance in mathematical competitions or competitive programming contests.What We OfferWork alongside brilliant minds, including Kaggle Grandmasters and ACM ICPC World Finalists.Access to robust infrastructure for supporting your strategies and daily testing of ideas on a real-time production leaderboard.A modern, well-equipped workspace designed for productivity and comfort.A supportive work environment that prioritizes a healthy work-life balance.Participation in corporate and team events.