Data Engineer (Python) at Quantlane | Prague

Our Tech Stack: Python 3 (asyncio), Airflow, Docker, PostgreSQL/TimescaleDB, GitLab, Metabase, Streamlit, RabbitMQ, Kubernetes, AWS (S3, EC2), and we also explore ClickHouse, Apache Iceberg, DuckDB, and Trino.We are Quantlane, a proprietary trading firm designed for traders. We operate a diversified portfolio of systematic and discretionary strategies across…

Join Nebius: Pioneering AI-Driven Cloud SolutionsNebius is at the forefront of revolutionizing cloud computing, strategically designed to empower the global AI economy. We provide our clients with the innovative tools and resources necessary to address real-world challenges and transform industries, all while minimizing infrastructure costs and eliminating the need for expansive in-house AI/ML teams. Our workforce collaborates at the cutting edge of AI cloud infrastructure, guided by some of the field's most experienced and inventive leaders and engineers.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 diverse team of over 1,400 professionals includes more than 400 highly skilled engineers, specializing in both hardware and software engineering, alongside a dedicated in-house AI R&D team.The RoleWe are seeking a Senior Software Engineer with a robust background in C++ to contribute to the development and operation of the Nebius Data Platform. This cutting-edge distributed storage and processing platform serves as the company's

Keboola has successfully raised $32 million in 2023, marking the largest Series A funding round in Central Europe, with a vision to revolutionize how organizations interact with data. Our innovative platform empowers teams to achieve tenfold results, and we are now expanding our reach globally to accelerate data-driven initiatives.We are on the lookout for a Senior Product Manager to oversee Automation & Data Applications at Keboola. This pivotal role involves enabling users to design and schedule automated data workflows, manage intricate orchestration logic, query data interactively, and create customer-focused data applications that operate on our Keboola infrastructure.This position sits at the crossroads of developer-centric tools and business user accessibility. Your user base will include data engineers constructing complex pipelines and managing Git-synced code, as well as business analysts who need to build workflows and data applications without writing any code. You must fluently communicate in both technical and business terms and focus on optimizing the user experience for everyone involved. The ideal product is not defined by its features but by its ability to empower more users to create.The competitive landscape is rapidly evolving, with players ranging from app-building platforms like Lovable and Base44 to workflow solutions such as Zapier, Make, and n8n. Understanding not only what competitors offer but also the rationale behind user preferences is crucial.We seek a candidate who is inherently AI-savvy, utilizing AI for prototyping, analysis, and specification writing as a standard practice, and who can influence the way AI enhances our product—from assisted flow creation to intelligent automation. You will take complete ownership of your area, making data-driven prioritization decisions and possessing acute commercial awareness regarding what fuels growth and how product choices influence business outcomes.This role does not involve engineering management. We require a Product Manager with profound user empathy—someone who actively engages with users to identify their genuine pain points and translates those insights into a product strategy that drives measurable success. You must be equally concerned about the data engineer craving detailed control and the business analyst eager to launch a workflow independently. If you prefer drafting specifications over engaging with customers, this position is not suited for you.

Join Wargaming as a Senior Game Data Analyst and contribute to the World of Tanks product analytics team! At Wargaming, we are passionate about understanding player behavior and game dynamics. We collect a vast array of data points, including economic, financial, and combat statistics, to inform our decision-making processes. Our comprehensive database is available for analysis around the clock, allowing us to glean insights that drive our game development forward. As part of the WoT Product Team, you will collaborate with various departments including the Data Warehouse team, which manages our data storage and reporting systems, and connect with over 60 analysts worldwide as part of the Wargaming Global Analyst Network.

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 our dynamic team at 2ntelekomunikaceas as a Database Specialist/Data Engineer specializing in SQL. In this role, you will be responsible for designing, implementing, and maintaining our database systems to ensure high availability and performance. You will work collaboratively with cross-functional teams to analyze data requirements and optimize database queries.

Join us in our exhilarating journey to revolutionize the data storage industry with cutting-edge technology. As a part of our team, you'll engage in innovative projects that redefine the tech landscape, working alongside some of the brightest minds in the field.If you are eager to embrace limitless possibilities and make a significant impact, we invite you to become a key player in our mission.THE ROLEAs a Senior Applied AI Engineer, you will design and maintain production-grade AI systems capable of deriving insights from extensive unstructured document collections. Your work will facilitate enterprise data discovery, classification, and governance.You will take ownership of the entire lifecycle of graph intelligence solutions—from problem definition and data modeling to the development and enhancement of knowledge graphs, culminating in the deployment of ML and LLM-powered analytics in production environments. Your focus will be on semantic and contextual analysis of unstructured data to reveal relationships, patterns, and insights that uphold AI safety, security, and compliance standards.WHAT YOU'LL DODesign, construct, and implement graph-based AI solutions, integrating knowledge graphs, LLMs, and ML models tailored for extensive unstructured datasets.Define and manage data pipelines that transform and enrich entity relationships into production-quality knowledge graphs.Incorporate LLMs and ML models into text processing workflows for tasks such as classification, embedding generation, document similarity, and semantic analysis.Architect, deploy, and maintain graph and vector databases to facilitate retrieval, reasoning, and analytics.Enhance models and inference pipelines to meet production constraints including latency, throughput, cost, and infrastructure requirements.Deploy, supervise, and refine ML systems in live environments, ensuring reliability and continuous integration.Lead architectural decisions and set the technical direction for applied AI and graph intelligence solutions.Note: Our work primarily takes place in an office environment, and you will be expected to work from the Prague office in accordance with company policies, except during PTO, business travel, or other approved leaves.

Pure Storage offers an internship in Prague focused on Master Data Management (MDM). This role gives hands-on experience with master data systems and the opportunity to work closely with skilled engineers. Key Responsibilities Support the management and enhancement of master data systems Participate in projects aimed at improving data quality and system optimization Work with team members across engineering functions Build technical skills through practical assignments Internship Experience This internship centers on real-world exposure to MDM projects. Interns will gain insight into data processes and learn from experienced professionals in the field.

About Us: 2K, established in 2005 and headquartered in Novato, California, is a prominent label under Take-Two Interactive Software, Inc. (NASDAQ: TTWO). As a leading global video game publisher, we are dedicated to delivering exceptional gaming experiences through our diverse portfolio, which includes critically acclaimed titles from renowned studios such as Visual Concepts, Firaxis, and Hangar 13. Our games span various genres including sports, action, and role-playing, captivating millions of players worldwide. We take pride in fostering an inclusive workplace, encouraging our teams to express their authentic selves and perform at their best. We invite all candidates to explore our global opportunities, even if they don't meet every criteria listed. As an equal opportunity employer, we are committed to providing reasonable accommodations for individuals with disabilities throughout the application and interview process. Please let us know if you require assistance. About the Team: Network Operations The 2K Network Operations team is at the forefront of deploying, managing, and troubleshooting our production and enterprise networks, ensuring robust support for our studios and online gaming experiences. Collaborating closely with various infrastructure and development teams, we strive to create seamless network solutions. Your Role: We are seeking a Senior Network Engineer to play a pivotal role in implementing and maintaining 2K’s gaming networks, ranging from the Internet edge and core security layers to user connections. Your expertise will be crucial in ensuring our networks are scalable and agile, providing hundreds of thousands of fans with a stable and reliable gaming platform.

Why Join NebiusNebius is at the forefront of revolutionizing cloud computing to empower the global AI economy. We provide innovative tools and resources that enable our clients to tackle real-world challenges and revolutionize industries, all while minimizing infrastructure costs and avoiding the need for extensive in-house AI/ML teams. Our team collaborates with some of the most skilled and inventive leaders and engineers in AI cloud infrastructure.Our Work EnvironmentWith our headquarters in Amsterdam and listed on Nasdaq, Nebius boasts a worldwide presence with R&D centers across Europe, North America, and Israel. Our diverse team of over 1400 includes more than 400 exceptionally talented engineers with profound expertise in both hardware and software engineering, complemented by an in-house AI R&D division.Position OverviewWe are seeking a Senior Backend Software Engineer to contribute to the development of our hyperscaling platform.Responsibilities will involve significant tasks in Golang, with additional work in Java and Python.You have the flexibility to work from our offices in Prague, Amsterdam, or Berlin—whether in a hybrid setting or remotely.Key Responsibilities:Design and develop fault-tolerant, reliable cloud services, including cloud infrastructure, managed databases, Kubernetes orchestration, billing systems, monitoring systems, ML services, and more.

Wrike is a leading work management platform designed to empower teams and organizations to collaborate effectively, innovate, and excel in their endeavors. By bringing all work into a unified space, Wrike simplifies processes, enhances productivity, and enables individuals to concentrate on their most impactful work. Our Vision: A world where everyone is liberated to engage in their most meaningful work collaboratively. About the Role:As a key member of Wrike’s Security team, you will play a vital role in safeguarding the integrity and trustworthiness of the data housed within our platform. In this senior role, you will take ownership of and enhance the security framework for Wrike’s production, Kubernetes, and GCP environments. You will not only maintain systems but also design a "secure by default" infrastructure that empowers our engineering teams to operate swiftly without sacrificing safety.Your Impact:Ownership of Infrastructure Security: Architect, implement, and refine security measures—including hardening, network segmentation, IAM, and endpoint security—across our entire infrastructure.Strategic Cyber Defense: Set the technical vision for cybersecurity defense, encompassing enterprise posture management, threat detection, and vulnerability management.Collaborative Security Architecture: Collaborate with ITOps, SysOps, DevOps, and XOps to integrate security into the foundation of our architecture and change management processes.SIEM Development: Create and manage our SIEM strategy and its associated infrastructure to ensure proactive monitoring and visibility.Mentorship and Education: Guide and educate engineering teams on secure system design, enhancing the security knowledge across the organization.

Keboola has successfully raised $32 million in funding—marking Central Europe’s largest Series A round in 2023. Our mission is to transform how organizations leverage data, achieving results that are ten times more impactful for our clients. As we expand our global footprint, we aim to empower every data team to operate with greater speed, intelligence, and influence. We are currently seeking a talented Senior DevSecOps Engineer to join our Site Reliability Engineering (SRE) team consisting of five skilled engineers within our rapidly growing SaaS company. In this role, you will play a critical part in embedding security practices throughout our development lifecycle, automating security controls, and enabling developers to create secure services at scale. The ideal candidate will possess a strong foundation in software engineering, cloud security, and DevOps practices. You should have a solid understanding of infrastructure as code and container security, and be adept at utilizing AI tools to automate security workflows and expedite problem resolution. Although our team primarily communicates in Czech/Slovak, proficiency in English is essential for collaboration with other teams.

Why Join Nebius?Nebius is pioneering a transformative era in cloud computing, dedicated to empowering the global AI economy. We provide innovative tools and resources that help our clients tackle real-world challenges and revolutionize industries without incurring hefty infrastructure costs or assembling large in-house AI/ML teams. Our team operates at the forefront of AI cloud infrastructure, collaborating with some of the most seasoned and inventive leaders and engineers in the industry.Work EnvironmentHeadquartered in Amsterdam and publicly listed on Nasdaq, Nebius boasts a worldwide presence with R&D hubs in Europe, North America, and Israel. Our diverse team of over 1,400 employees includes more than 400 highly skilled engineers who possess extensive expertise in both hardware and software engineering, complemented by a dedicated in-house AI R&D team.The RoleWe are seeking a Senior Hypervisor Engineer to play a vital role in the development of our hyperscaler platform. The Hypervisor team is responsible for enhancing the Cloud platform components that directly impact the KVM hypervisor and QEMU device emulator. We delve deep into the intricacies of hardware virtualization and device emulation, ensuring optimal performance and robust protection against untrusted code. In this role, you will work on significant extensions for the QEMU/KVM virtualization stack, collaborating closely with the open-source community.Your Responsibilities Will Include:Optimizing I/O for emulated disk and network devicesIntegrating the hypervisor with other platform services and storage solutions for user dataEfficiently allocating resources among virtual machinesEnhancing guest system supportPushing the boundaries of open-source virtualization

Join AFRY's Civil Engineering Department as a Senior Designer and lead innovative projects that shape the infrastructure of tomorrow. In this pivotal role, you will collaborate with a team of dedicated professionals, utilizing cutting-edge technologies to deliver high-quality designs. Your expertise will guide the development of sustainable solutions, ensuring compliance with industry standards and client specifications.

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.

Join our dynamic team as a Senior Fullstack Engineer and contribute to the development of innovative features for our diverse platforms: HTTPie Cloud, HTTPie for Web & Desktop, and HTTPie for Terminal. Your expertise will help shape the user experience across our documentation and website as well.Key Responsibilities:Design and implement user-centric features that prioritize simplicity and an exceptional user experience.Engage in full-stack development, tackling everything from database models to API endpoints and UI components.Enhance our real-time data synchronization protocol for improved performance.Integrate team collaboration features across our platforms.Implement user data version history and version control functionalities.Develop API testing automation features and scripting capabilities within the product.Support various formats, including OpenAPI, and create import/export mechanisms.Integrate platform components to deliver a seamless and enjoyable developer experience.Add analytics, monitoring, and alert systems to enhance our service offerings.

Join our dynamic team at HTTPie as a Senior Frontend Engineer, where you'll have the opportunity to craft exceptional user experiences for our web and desktop applications, documentation, and website content. Your RoleDeveloping high-quality user-facing features with an emphasis on superior user experience.Building complex React components that support drag-and-drop functionality and keyboard shortcuts.Collaborating on a shared React codebase that powers our Next.js and Electron applications.Implementing real-time collaboration functionalities across our products.Enhancing application performance through profiling and optimization techniques.Technology StackFrontend: TypeScript, React, Next.js, TailwindCSS, Electron, WebSocketBackend: Python, Terraform, AWS, Amazon Aurora, AWS Lambda, DjangoTools: Vercel, GitHub, Linear, Slack, Notion, Figma, JetBrains IDEsYour QualificationsMinimum of 5 years of experience in software engineering.Proven experience in developing React single-page applications.Strong understanding of HTTP protocols and modern APIs.Familiarity with contemporary coding practices, testing methodologies, debugging, and automation tools.A passion for developer tools and an eye for what makes them exceptional.A commitment to simplicity and creating delightful user experiences.Ability to discern between robust and minimal solutions to expedite development.Comfortable navigating various levels of abstraction.Excellent written communication skills.A desire to learn continuously and share knowledge with teammates.Bonus QualificationsExperience with TypeScript.Background in building distributed systems.Experience in developing a technology product.Familiarity with early-stage startup environments.Contributions to open-source projects.A history of innovative side projects.An entrepreneurial mindset.

Why join Nebius?Nebius is at the forefront of a revolutionary shift in cloud computing, dedicated to empowering the global AI economy. We provide innovative tools and resources that enable our clients to tackle real-world challenges and revolutionize their industries without incurring substantial infrastructure costs or the necessity of assembling extensive in-house AI/ML teams. Our workforce operates on the cutting edge of AI cloud infrastructure, collaborating with some of the most seasoned and creative leaders and engineers in the industry.Our Work EnvironmentHeadquartered in Amsterdam and publicly traded on Nasdaq, Nebius boasts a worldwide presence with R&D centers across Europe, North America, and Israel. Our team consists of over 1,400 professionals, including more than 400 highly skilled engineers with profound expertise in both hardware and software engineering, complemented by an in-house AI R&D team.As part of Nebius Cloud, one of the largest GPU clouds globally, the Token Factory team operates tens of thousands of GPUs. We are developing an inference platform designed to deploy a variety of foundation models — including text, vision, audio, and cutting-edge multimodal architectures — quickly, dependably, and effortlessly at scale. To achieve this goal, we are seeking an engineer capable of ensuring the platform operates flawlessly under heavy loads and can recover seamlessly from unexpected issues.In this position, you will take ownership of the reliability, performance, and observability of the complete inference stack. Your day may start with designing and refining telemetry pipelines — turning hundreds of terabytes of signals into actionable insights through metrics, logs, and traces. You might also optimize Kubernetes autoscalers for enhanced GPU efficiency, create Terraform modules that incorporate resilience into every new cluster, or strengthen our request-routing and retry logic to ensure that transient failures remain unnoticed by users. When incidents occur, you will utilize the automation and runbooks you’ve developed to swiftly detect, isolate, and address issues, while fostering a post-mortem culture to prevent future occurrences. All these efforts are directed towards a singular objective: achieving smooth platform scaling while meeting rigorous cost and reliability targets.Success in this role requires a deep understanding of Kubernetes, Prometheus, Grafana, Terraform, and the principles of infrastructure-as-code. You should be comfortable scripting in Python or Bash, grasp the intricacies of alert design and SLOs for high-throughput APIs, and have enough production experience to recognize how distributed back-ends can fail in real-world scenarios. Experience managing GPU-intensive workloads — whether with vLLM, Triton, Ray, or a similar accelerator stack — will be advantageous, as will a background in MLOps or model-hosting platforms.

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...

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.