Principal AI/ML Scientist & Engineer

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.

About UsAt duvo, we are on a mission to revolutionize enterprise operations. Traditional data transfer methods cause inefficiencies, resulting in costly and time-consuming processes. We are determined to eliminate this chaos for good.Our dynamic team is dedicated to delivering impactful solutions for our customers. We value humility and hard work, allowing our results to reflect our capabilities.Our VisionWe are developing an innovative Agentic Automation Platform designed for enterprises. This platform enables AI agents to seamlessly execute comprehensive tasks across various UIs and APIs, ensuring built-in governance.Where other copilots fall short, duvo excels. Business users define their desired outcomes, while our agents autonomously plan, execute, seek approvals for exceptions, and learn with each task. We are starting with a focus on retail applications—such as category management and supply chain optimization—where the return on investment is clear, before expanding into other sectors.Our speed is our competitive advantage: we ship quickly, iterate faster, and build upon our learning.

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.

Our PurposeAt SentinelOne, we are fueled by a strong mission: to empower those who protect our future. In an era where AI is transforming the operational landscape, safeguarding organizations is paramount. Joining SentinelOne means your contributions directly shield global enterprises, critical infrastructure, and pioneering technologies. If you thrive on impactful challenges and wish to make a tangible difference on a global scale, you will find your purpose with us.About UsSentinelOne stands at the forefront of AI and cybersecurity, revolutionizing the way security is approached. Our AI-driven platform integrates protection across endpoints, cloud, identity, data, and AI systems, providing autonomous detection and swift response. By harnessing real-time analytics and intelligent automation within a cohesive data framework, we cut through the noise, streamline complexity, and empower security teams to prioritize effectively.Our teams are innovators and problem-solvers dedicated to crafting the future of security. If you are eager to tackle challenging problems alongside talented, mission-driven individuals, we welcome you to join us in building a safer future for humanity.What Are We Seeking?We are in search of individuals who possess an insatiable curiosity and a commitment to continuous learning. As AI influences every aspect of our business, we encourage all team members, regardless of their role or level, to develop proficiency in AI tools and concepts. Those who excel in our environment actively pursue new solutions, experiment thoughtfully, and leverage their insights to drive superior outcomes.Key Responsibilities:At SentinelOne, we are redefining the developer platform to foster a cohesive Developer Experience. We are on the lookout for a Staff (tech lead-level) Software/Infrastructure Engineer for a pivotal role that will contribute to this transformation, shaping the next generation of our platform that serves numerous teams and nearly 1000 engineers across the company.As a vital contributor to our ambitious project, you will design and implement a secure, scalable, and reliable Developer Platform & APIs utilizing modern technologies and methodologies. This Developer Platform is built on our Infrastructure Platform, and its APIs are designed to provide both a streamlined developer experience and robust internal infrastructure service protection.Your extensive experience with IDP/DevEx fundamentals will be crucial in this role.

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 are not just a third-party logistics provider; we are a growth partner for merchants. Our advanced technology and a network of proprietary fulfillment centers empower fast-growing e-commerce and direct-to-consumer (DTC) brands to focus on growth while we handle the logistics. With a diverse team of over 2,500 professionals across five countries, we are dedicated to transforming the fulfillment landscape by offering everything from rapid click-to-delivery services to real-time inventory management and customized solutions—all with a merchant-first approach.Why Choose ShipMonk?We are committed to long-term success, driven by five core differentiators that establish us as true partners for our merchants:Global Fulfillment Network: Our 12+ owned and operated fulfillment centers span the US, Canada, Mexico, the UK, and Mainland Europe, ensuring quality and consistency without outsourcing.Proprietary Technology: Our AI-driven platform eliminates the need for tribal knowledge, providing a real-time, unified overview of inventory and orders, thus empowering our merchants with the control and visibility they need to thrive.Unmatched Support: We offer personalized, hands-on support with a global reach, with dedicated teams stationed at every fulfillment center, ready to assist whenever needed.Transparent Pricing: We uphold honest, long-term partnerships through all-inclusive pricing that ensures predictable costs without hidden fees or surprises.Future-Focused: We invest over $10 million annually in research and development to ensure our technology and services continuously evolve, making us a reliable partner for merchants looking to establish a lasting presence.

Keboola has successfully secured $32 million in funding, marking the largest Series A round in Central Europe for 2023. Our mission is to transform the way businesses engage with data. Our innovative platform enables clients to achieve results that are ten times more impactful, and we are now expanding our reach globally to empower data teams to accelerate their processes, enhance their decision-making, and create significant outcomes.We are on the lookout for a talented and experienced Principal Engineer / Software Architect to become a vital part of our engineering team and influence the future of Keboola’s platform. This role is critical in steering our technical vision, making strategic architectural decisions, promoting adherence to the highest industry standards, and equipping teams to develop and scale our platform effectively. You will be instrumental in designing and establishing a core platform architecture that is resilient, scalable, secure, and easy to maintain in a landscape driven by data and artificial intelligence.In this role, you will collaborate closely with our backend engineering teams, serving as a technical partner and multiplier. Your support will include preparing best practices, providing tooling, and establishing architectural guidelines, all aimed at helping them build and manage secure services at scale while being cost-conscious. The ideal candidate will possess a robust software engineering background, experience in designing complex SaaS or data platforms, familiarity with cloud providers, and a proven history of leading cross-functional technical initiatives.While our primary language is English, proficiency in Czech or Slovak could be beneficial given our headquarters' location.

Role overview DNAnexus seeks a Senior Software Engineer to join the Agentic platform team in Prague. This position centers on developing and refining software that enables genomics and data analysis workflows. The engineering work shapes how researchers and clients interact with complex datasets to address practical challenges. What you will do Design, implement, and deploy new features for the Agentic platform Collaborate with colleagues across teams to deliver solutions tailored to client requirements Support ongoing enhancements so the platform can address emerging needs in genomics and data analysis

Role overview Sentinel Labs is looking for a Staff Software Engineer to join the Developer Platform team in Prague. The focus is on Go programming and building tools that enhance an AI-first Developer Experience. The goal is to improve how developers work with the platform, making daily development tasks more efficient and intuitive. What you will do Lead the development of software solutions for the Developer Platform Design and build new features in Go, prioritizing AI-driven workflows Work closely with other engineers to refine user experience and simplify development processes Location This role is based in Prague, Czech Republic.

At JetBrains, we are passionate about code. Since our inception in 2000, we have dedicated ourselves to developing the strongest and most effective developer tools available. Our innovative solutions automate routine checks and corrections, accelerating production and empowering developers to innovate, explore, and create.About the InitiativeJetBrains is transforming from standalone developer tools to a unified, AI-native platform for software development.AI is evolving from a mere assistant within the editor to an essential participant in software planning, building, reviewing, and operating across teams and organizations. This evolution presents new challenges that cannot be addressed by individual tools alone, including governance, security, cost management, observability, and cooperation between humans and autonomous agents.Our mission is to establish a platform that facilitates the adoption of AI in software development in a structured, scalable, and economically efficient manner, without confining companies to closed ecosystems.We are constructing a foundation that unifies developer workflows, team collaboration, and organizational oversight into a coherent system.This platform will act as the execution and governance layer for AI-driven development, tightly integrated with developer tools while designed for cross-team, product, and environmental compatibility.This initiative represents a long-term strategic investment for JetBrains and is a cornerstone of our vision for the future of software development. The RoleWe are seeking a Principal Engineer (JetBrains Cloud Platform, Developer Experience) to spearhead significant enhancements to the development experience across the JetBrains Cloud Platform (JCP).This position is pivotal in enhancing the productivity of JCP engineers through improvements to build systems, CI/CD pipelines, local development workflows, tooling infrastructure, and AI pipelines. You will oversee the developer experience from the local development, build, and testing stages to the transition of code through CI to production. Given the rapid growth of this platform, numerous workflows and processes are still in development. You will define what an exceptional development experience entails and guide the organization toward achieving it. As part of our team, you will:Develop and implement strategies for enhancing the developer experience across the entire JCP platform.Optimize build systems (such as Gradle and Nx) for improved speed, caching, and reliable reproducibility at scale.Establish AI development pipelines to facilitate innovation.

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.

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.

Pure Storage is building a new Data Platform Engineering function within its Infrastructure Shared Services (ISS) group in Prague. This team is responsible for creating a unified data platform that enables consistent, secure, and efficient data-centric services across the company. The goal is to deliver a seamless developer experience and provide clear ownership and protection for data, supporting teams as they adapt to evolving business and technology needs. As a Senior Data Platform Engineer, the focus will be on designing and managing a reliable, scalable, and intelligent data platform. This work supports fast, data-driven decisions and encourages a culture of innovation and accountability. What you will do Design, build, and manage core data platform services to support data ingestion, modeling, querying, and publishing. Architect a multi-engine environment using technologies such as Trino/Starburst, Dremio, ClickHouse, and Postgres/pgLake, with an Iceberg-based lakehouse at the center. Prioritize interoperability, operability, and security. Drive platform evolution by experimenting and evaluating performance, reliability, and cost, then standardizing effective solutions. Build lasting corporate knowledge through strong defaults, clear documentation, and user-friendly interfaces. This role is based in Prague, Czech Republic, and offers the chance to collaborate with experienced engineers while shaping the future of data infrastructure at Pure Storage.

About OutreachFounded in 2014, Outreach stands as the premier AI Revenue Workflow Platform designed to empower sales leaders with comprehensive account visibility, insightful performance metrics, and enhanced forecasting accuracy across all go-to-market teams. Our innovative agentic AI drives automation for numerous sales activities, from prospecting new clients to managing renewals and expansions, allowing sales professionals to engage in more strategic dialogues. Renowned global enterprises such as SAP, Siemens, Snowflake, ZoomInfo, and Verizon trust Outreach to elevate their revenue operations. Discover more at www.outreach.io.About the TeamJoin us at a pivotal moment as we scale a highly sophisticated, high-throughput platform that supports millions of seller actions daily while rapidly enhancing our agentic AI capabilities, real-time intelligence framework, and essential platform services.The Core Platform team is responsible for the foundational systems that underpin all operations at Outreach, including the data platform, event and workflow engines, identity and access management, API and integration architecture, real-time processing infrastructure, and developer platform. We drive product velocity across the organization while ensuring enterprise-grade reliability, security, scalability, and extensibility.The RoleAs a Principal Product Manager on the Core Platform team, you will be instrumental in shaping and executing a multi-year strategy and roadmap for vital shared platform capabilities, particularly focusing on real-time data and event processing, extensibility, and the developer platform.Collaboration will be key as you work closely with engineering leaders, UX designers, marketing, and various product lines to make architectural decisions that balance immediate delivery demands with a long-term technical vision. This role is deeply technical; you should anticipate dedicating significant time to system design discussions, API specifications, data models, and performance optimization.LocationWe embrace a remote-friendly approach, but we remain an

Transform the Future of Financial Services with Capco At Capco, we are at the forefront of management consulting and software development, working in partnership with leading international banks and insurance firms across Western Europe. Our innovative strategies and collaborative culture create an ideal environment for professionals eager to make a significant impact in financial services technology. Curious about our culture and team? Explore more at: Capco Careers Slovakia Why Join Our Team? Work with Prestigious Clients on Exciting Projects – Engage with top-tier banks on transformation initiatives that are reshaping financial services. Commitment to Continuous Learning & Development – Benefit from access to technical and soft skills training, professional certifications, and unlimited usage of the Udemy online learning platform. Flexible Work Environment – Enjoy the freedom to work remotely from anywhere within the Czech Republic. Comprehensive Benefits Package: Private health care & fully paid sick leave & sick days 25 vacation days (irrespective of age) Monthly cafeteria allowance (€50/month) or contribution to the 3rd pillar Fully paid meal vouchers Smartphone with 1TB data + Laptop Focus on Well-being & Community Engagement – Participate in yoga classes, mental health webinars, running challenges, sports activities, or take part in our volunteering initiatives. Competitive Compensation (commensurate with experience) along with an annual bonus & benefits package. Long-term Career Prospects – Indefinite period contract with ample opportunities for professional growth. Your Role – Generative AI Engineer Assist in developing scalable Python applications focused on Generative AI. Explore and implement techniques such as document chunking and embeddings. Collaborate with team members to design user-friendly interfaces (Angular/React) and deployment processes (Docker, Terraform, GitHub Actions). Engage with stakeholders to gather requirements and transform them into functional code. Adhere to coding best practices and contribute to documentation and testing. Skills and Expertise Bachelor's degree in a relevant field Fluent in English (German is a plus) 1–3 years of experience in Python Strong interest in Generative AI, LLMs, and data search technologies Experience with cloud services and DevOps tools is advantageous.

At JetBrains, we are passionate about code. Since our inception in 2000, our mission has been to develop the most powerful and effective developer tools available. By automating routine checks and corrections, we accelerate production, empowering developers to innovate and create.About the InitiativeJetBrains is transitioning from standalone developer tools to a cohesive, AI-native platform for software development.AI is evolving from a mere editor assistant to an integral participant in the planning, building, reviewing, and operation of software across teams and organizations. This transformation brings forth challenges that go beyond individual tools, including governance, security, cost management, observability, and coordination between human and autonomous agents.Our aim is to establish a platform that facilitates the structured, scalable, and economically efficient adoption of AI in software development—without confining companies to closed ecosystems.We are constructing the foundation that integrates developer workflows, team collaboration, and organizational control into a cohesive system.This platform will function as the execution and governance layer for AI-driven development, seamlessly integrated with developer tools while designed for cross-team, product, and environment functionality.This initiative represents a long-term strategic investment for JetBrains and is a crucial element of our vision for the future of software development. The RoleWe are seeking a Developer Experience Lead to spearhead significant enhancements to the development experience within the JetBrains Cloud Platform (JCP).This position focuses on optimizing the productivity of JCP engineers by refining build systems, CI/CD pipelines, local development workflows, tooling infrastructure, and AI pipelines. You will be responsible for the developer experience from start to finish—covering local development, testing, CI processes, and production deployment. As this platform is rapidly evolving, many workflows and processes are still being refined. You will define what a superior development experience entails and guide the organization towards achieving it. As part of the team, your responsibilities will include:Leading and executing the strategy for developer experience enhancements across the entire JCP platform.Optimizing build systems (including Gradle, Nx, and others) for quicker builds, improved caching, and reliable scalability.Establishing AI development pipelines, managing context, agents, and transitions, and...

We are seeking a strategic, people-oriented leader to steer one of our three pivotal Engineering Pods as it transitions to an AI-Native operational framework. You will not be working alone; you will have the backing of a dedicated team of specialists, including a Portfolio/FinOps Lead, Quality Engineering Lead, Architecture Lead, and other Directors, along with the VP team. Your primary objective is to connect the engineering potential with the business reality. You will be the catalyst ensuring that our engineering teams go beyond merely building technology to actually delivering substantial value through our AI-Native Strategy. With an AI mindset, you recognize that AI represents not just a tool, but a transformative operational paradigm, and you are driven to see projects through to completion. Your Responsibilities 1. Strategic Execution & Driving Results Execution & Momentum Driver: Your mission is to minimize friction and sustain momentum. You will ensure that strategic initiatives (such as the transition towards Agentic AI) progress seamlessly from exploration to practical implementation, avoiding analysis paralysis or endless proofs of concept. Problem Solving: You will be the key person who resolves obstacles. When a project encounters delays due to interdepartmental misalignment or resource shortages, you will proactively address and resolve these issues. 2. Promoting an AI Mindset & Culture AI Evangelism: While you don’t need to train models, you must comprehend what AI can achieve. You will challenge existing practices by questioning: “Why are we doing this manually?” and “How can AI agents facilitate this workflow?” People-First Leadership: You will mentor Engineering Managers, fostering a culture that embraces a “fail fast, fail forward” philosophy that encourages learning through experimentation while ensuring strong accountability for delivery and knowledge sharing beyond individuals. Change Management: You understand that the journey to AI transformation is 10% technology and 90% people. You will guide the organization through this cultural evolution, transforming fears of automation into enthusiasm for high-value work. 3. AI Factory Economics & Governance Portfolio Management: View engineering initiatives as a valuable investment portfolio...

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 JetBrains is hiring a QA Engineer to support quality and performance for AI assistant features across several locations in Europe. This role centers on testing and improving AI-driven product capabilities, working closely with developers and product managers to maintain high standards for users.