Senior/Principal Data Engineer

Join Sigma Software Group as a Senior/Principal Data Engineer, where you will play a pivotal role in designing and implementing data-driven solutions that power our innovative projects. Your expertise in data architecture, ETL processes, and big data technologies will be essential as you collaborate with cross-functional teams to deliver high-quality data pr…

Join Sigma Software Group as a Principal Site Reliability Engineer and play a crucial role in ensuring the reliability, availability, and performance of our systems and services. You will work on complex challenges, drive improvements, and collaborate with cross-functional teams to build innovative solutions that enhance our operational capabilities.

Join the talented team at CD Projekt Red as a Senior Story Engineer. In this role, you will be responsible for crafting engaging narratives and developing intricate storylines that enhance player experience in our games. Collaborate with writers, designers, and artists to bring immersive worlds to life.

Join our dynamic team at CD PROJEKT RED as a Senior IT Cloud Engineer. In this pivotal role, you will leverage your expertise to design, implement, and manage cloud solutions that enhance our gaming infrastructure. You will collaborate with cross-functional teams to ensure our systems are robust, scalable, and secure. Your contributions will directly impact our mission to deliver exceptional gaming experiences.

Waymo is revolutionizing transportation with its autonomous driving technology, aiming to become the world's most trusted driver. Originating from the Google Self-Driving Car Project in 2009, Waymo focuses on creating the Waymo Driver—The World’s Most Experienced Driver™—to enhance mobility access and prevent the tragic loss of lives due to traffic accidents. With over ten million rider-only trips and the experience of autonomously traveling more than 100 million miles on public roads, Waymo is leading the charge in the self-driving industry.The Waymo Onboard Infrastructure team is responsible for the foundational software and infrastructure of various components within the Waymo self-driving ecosystem. Our work includes everything from low-level system software to high-bandwidth data logging, inter-process communication (IPC), performance analysis, and comprehensive debugging. We collaborate closely with teams in Hardware, Compute, Sensor, Perception, Behavior, and Machine Learning to create the most efficient and low-latency self-driving solutions available.As a member of the System Software Team, you will focus on the primary compute node of Waymo's on-vehicle compute platform, an integrated embedded system. If you have a passion for building embedded systems with innovative compute hardware and enjoy collaborating with engineering teams that leverage your work, you will thrive in this role.

Role Overview netcompany1 is hiring a Junior Operations Engineer to support both Linux and Windows systems in Warsaw. This entry-level position suits those ready to begin a career in IT operations. What You Will Do Assist with managing and maintaining Linux and Windows environments Work alongside senior engineers to troubleshoot technical issues Help implement solutions that improve system performance and reliability Contribute to ongoing projects within the operations team Who We’re Looking For Entry-level candidates interested in IT operations Willingness to learn and collaborate with experienced engineers Interest in both Linux and Windows platforms

Join hyperexponential as an Associate Software EngineerAt hyperexponential, we are revolutionizing the insurance industry with our innovative AI-powered platform, which supports critical decision-making in a $7 trillion market. Our platform is designed to enhance how insurers evaluate risks and determine pricing, ensuring that pivotal choices—like the successful launch of rockets or the deployment of autonomous vehicles—are made with confidence.Traditionally, insurance relies on outdated methodologies for making billion-dollar decisions. We aim to change that by integrating data, artificial intelligence, and expert insights to streamline the process from submission to decision, enabling insurers to act swiftly and intelligently.Backed by prestigious investors such as a16z, Highland Europe, and Battery Ventures, we are on a global expansion trajectory. Our platform has gained the trust of nearly 50 of the world's largest insurers, experiencing zero churn and facilitating billions in premiums through our system.What began as a singular product has rapidly transformed into a robust, multi-product platform that enhances every aspect of pricing and underwriting. AI is central to our operations—whether it's developing the world's first domain-specific AI peer programmer for insurance or creating workflows that redefine industry standards.At hyperexponential, it’s not just about titles; it’s about the impact and the challenges you tackle. You will collaborate with peers who inspire you to do your best work in an environment built to last.If this resonates with you, we invite you to join us in shaping the future.About the Kernel TeamThe Kernel team is integral to hyperexponential’s platform, responsible for the execution engine that processes pricing models with safety, reliability, and scalability. Our work supports the critical decisions made by insurers, ensuring that complex pricing logic operates seamlessly while also maintaining the performance and reliability essential for mission-critical underwriting workflows.In this role, you will contribute to the Kernel team by developing well-defined features, tests, and internal tools while gaining a comprehensive understanding of how the execution engine functions from start to finish. You will collaborate closely with seasoned engineers to grasp the architecture, diagnose issues, and gradually take on more responsibility.

QED AI is a pioneering technology firm dedicated to enhancing public health and food security across Sub-Saharan Africa. Our mission is to construct the digital infrastructure and AI solutions that serve at the nexus of humanitarian assistance and scientific research. Our projects include critical surveillance of HIV and malaria, as well as nutrient analysis of crops and soils, operating on a national scale in several African nations. Our funding is supported by esteemed philanthropic and governmental organizations including the Global Fund, Gates Foundation, CDC, and USAID.We are actively seeking a talented mid to senior-level Software Engineer to become an integral part of our Warsaw team. The ideal candidate will possess:A robust background in software engineering, including proficiency in version control, writing clean and maintainable code, robust design principles, and a solid understanding of data structures and algorithms.The ability to conceptualize logical software architectures and communicate effectively in both verbal and written formats.A willingness to address a diverse range of challenges and technologies.A collaborative spirit, participating in regular design sessions, code reviews, and team efforts.Experience in development on UNIX-based or OSX-Darwin platforms.Working proficiency (≥C1) in English, including speaking, reading, and typing (≥45 words per minute).An interest in collaborating with individuals from diverse cultural backgrounds.Emotional resilience and social intelligence.A passion for your work and a tendency to maintain an optimistic outlook, even amidst challenges.While the following skills are not mandatory, they would be advantageous:Experience with Python, Django, React, Android, or PyTorch.Knowledge of computer hardware, electronics, or physics.Participation in programming and/or mathematics competitions.A product-oriented mindset.A spirit of adventure and exploration.A passion for sustainable development goals, particularly in public health, agriculture, and supporting developing nations.

Join our dynamic Product Security team as a Senior Platform Security Engineer, where your expertise will be crucial in safeguarding our platform that supports multiple products and handles sensitive, high-value information. With our operations expanding, we seek two professionals to strengthen our security efforts.Your role will involve hands-on engineering, where you will design, build, and deploy robust security and privacy controls. This is not about merely defining policies; you will actively contribute to the security architecture of our systems.Your responsibilities will include enhancing supply-chain security through SAST, SCA, container scanning, and CI/CD hardening. Expect a varied role that will challenge you across multiple domains without confining you to a single specialty.What Success Looks Like:Within 90 days, you will have implemented significant, production-level security enhancements.You will take ownership of components of the AuthN/AuthZ model and its execution.You will develop a comprehensive understanding of our data flows and associated privacy risks.Establish yourself as a trusted advisor across teams, able to confidently voice concerns and provide rationale.Effectively reduce risk through practical measures rather than superficial security actions.Your Work Style:This role offers a high degree of autonomy, encouraging you to identify and address issues independently.You will collaborate closely with engineers from different teams, fostering a culture of teamwork.Engaging in constructive disagreements is encouraged, with decisions rooted in data and threat modeling.You will have the authority to block releases on security or privacy grounds when necessary, following clear escalation paths.Proactively addressing problems, even beyond your immediate area, is expected.

Join Saily, where we are revolutionizing mobile connectivity while you travel with our service that eliminates roaming fees and the need for plastic SIM cards, providing seamless, secure mobile data in over 200 destinations worldwide. With millions of customers and countless travelers engaged with Saily at any time, we are committed to delivering the best mobile experience.Our AI-native Product Engineering culture is designed for innovation:The Engineer takes ownership, managing projects from concept through to production.AI Agents support engineers by handling coding and repetitive tasks, enhancing productivity.Every team member is encouraged to suggest improvements, fostering a culture of constant enhancement.We prioritize curiosity, learning, and sharing knowledge.The comfort and connectivity of our customers is always our primary focus.At Saily, we emphasize growth over comfort, contribution over hierarchy, and impact over process, providing our talented team with the autonomy and AI tools necessary to excel in their roles.

Nearmap Ltd. is seeking a Senior Data Engineer to join its Engineering & Technology group in Warsaw. This team develops and refines systems that help organizations make better use of location data. Role overview The Senior Data Engineer will design and build data solutions tailored to business needs. The position involves maintaining data quality, ensuring process integrity, and collaborating with teams across the company to deliver actionable insights. What you will do Create and implement data solutions that align with business goals Monitor and enhance data quality and the reliability of data processes Partner with teams throughout Nearmap to provide valuable insights from data Requirements This position requires strong experience in data engineering, a commitment to quality, and an interest in supporting projects that apply location data in innovative ways.

Role overview CreatorIQ seeks a Senior Data Engineer in Warsaw with a focus on reporting. This role collaborates with teams across the company to strengthen data architecture and reporting systems. The work directly supports data-driven decisions at every level of the organization. What you will do Design and build data pipelines that power reporting and analytics Maintain and improve data quality throughout multiple systems Optimize the performance of reporting tools to ensure timely and accurate insights Impact Efficient analytics and reliable data are central to CreatorIQ’s business. The Senior Data Engineer’s contributions shape how teams access information and make decisions, directly influencing business outcomes.

Join our dynamic trading platform as we extend our reach globally. Our award-winning products are recognized for their innovative technology and exceptional user experience. We are dedicated to assembling a top-tier team, and we are eager to welcome talented individuals who share our vision.In the role of Data Engineer, you will be an essential member of our data team, responsible for the design, development, and maintenance of robust data pipelines and systems. Collaborating closely with data scientists, analysts, and other stakeholders, you will ensure that our data is reliable and readily available to support informed decision-making and analytics efforts. Your key responsibilities will involve data ingestion, transformation, and delivery, alongside optimizing our data infrastructure.As a Mid-Level Data Engineer, you are expected to enhance and sustain our data infrastructure, guaranteeing data integrity and accessibility. You should demonstrate the ability to work both independently and collaboratively, adapting to evolving data requirements and partnering with fellow data professionals to derive meaningful insights for the organization. Keeping abreast of the latest data engineering best practices and emerging technologies will be vital for your success in this position.

Please be aware that we will never ask for payment or bank account details at any point during the recruitment process. As we expand our teams, we advise you to remain vigilant against fraudulent job listings or recruitment efforts that misuse our company name and information. Safeguard your personal information throughout any recruitment process. While Monks may reach out to prospective candidates via LinkedIn, all applications must be submitted through our official website (monks.com/careers).What Are We Looking For?We are in search of a highly skilled and seasoned Senior DevOps/Cloud Engineer/SRE with over 7 years of experience to join our vibrant DevOps platform team. In this pivotal role, you will play a crucial part in supporting innovative AI SaaS and PaaS solutions.Note: This position may require participation in an on-call support rotation in the future.

Join Nord Security in Shaping a Safer Cyber Future!At Nord Security, we empower individuals and businesses to reclaim their online security, privacy, and data. Our innovative solutions range from VPN services to password management, threat intelligence, and travel eSIMs, all designed to address complex challenges and earn the trust of millions across the globe.In this role, you will play a vital part in helping people take ownership of their online lives.Main ResponsibilitiesDesign, develop, and maintain secure infrastructure and tools that facilitate agile software development and automated releases.Document DevOps processes and establish standards to guide operations and maintenance.Ensure secure designs for platforms, infrastructure, and delivery mechanisms.Automate security controls across cloud environments, enhancing policy enforcement and container security while minimizing manual efforts.Collaborate with Security and Platform teams to bolster security measures.Identify and automate manual processes for increased efficiency.Mentor fellow engineers, fostering a robust technical security culture and establishing a strong Web Security team across our product offerings.Lead initiatives for improving cloud security posture using CSPM tools, focusing on automation and remediation workflows.Implement supply-chain security controls and Kubernetes security guardrails.Enable and manage cloud-native security controls across CI/CD pipelines and Kubernetes environments.

Join the Positive Side of Technology Known as ZnanyLekarz in Poland and Doctoralia in Spain, we operate globally as Docplanner.Our mission is to develop innovative technology that enhances the quality of life by connecting patients with healthcare providers, streamlining clinical workflows, and supporting healthcare systems utilized by millions every month.At Docplanner, engineering is not just about code; it’s about creating dependable and scalable systems that have a profound impact on people's lives. What we deliver matters in high-pressure situations involving patients, doctors, and clinics, which necessitates a commitment to quality, sound judgment, and strategic thinking.In 2026, we will boost our delivery capabilities across various product domains by transforming our development approach—utilizing AI-driven tools to enhance engineering efficiency and set new standards for designing, delivering, and refining our systems.Why Join Us?Because it’s rewarding to share with your loved ones how you’re contributing to a better world. You’ll rest easy knowing your work has significance and aligns with your values.We aspire to help people lead longer, healthier lives, and this begins with you being your true self. We acknowledge that embracing a diverse range of human experiences enhances healthcare for everyone. We are committed to diversity and will encourage you to bring your whole self to work. You can choose to work fully remotely or in a hybrid model from our offices in Barcelona or Warsaw, depending on team assignments.Key ChallengesAs an engineer at Docplanner, you may tackle challenges in the following areas:Marketplace & SearchDevelop the next-generation marketplace system, overseeing the complete journey from discovery to rebooking. You will harness AI-driven search and onboarding processes to unlock new user engagement and transform one-off bookings into ongoing care relationships.Practice Management Systems (PMS)Create advanced software solutions to support doctors globally. Consolidate the current fragmented landscape and utilize AI to reinvent how doctors prioritize patient care.AI-Powered Clinical Tools (Noa Medic)Design AI-enhanced clinical workflows that go beyond basic administrative tasks. You will develop deep integrations with PMS/EHR systems that become essential tools for medical professionals.

Location: Poland (Remote/Flexible) About Us: RTB House is a leading global company specializing in advanced marketing technologies tailored for top brands and agencies around the globe. Our innovative ad-buying engine, the first of its kind fully powered by Deep Learning algorithms, empowers advertisers to achieve remarkable results and fulfill their objectives at every stage of the marketing funnel. The Bidding Platform division is at the heart of RTB's operations, handling over 20 million requests per second to engage in real-time auctions and display advertisements to audiences across more than 90 countries. The Ad Display Team, which this position pertains to, is a newly formed group within the Bidding Platform focused on guaranteeing the smooth, high-quality, and reliable display and tracking of advertisements. This is an exciting opportunity for those eager to tackle technically challenging solutions!

Join our dynamic team as a Senior Data Analyst at Sigma Software Group, where your analytical expertise will play a crucial role in driving data-driven decision-making. You will be responsible for analyzing complex datasets, generating actionable insights, and collaborating with cross-functional teams to enhance business strategies. If you are passionate about transforming data into meaningful solutions, we want to hear from you!

We are seeking a highly skilled Senior Microsoft Platform/System Engineer to join our dynamic team at Altersolutions in Warsaw. In this role, you will leverage your deep expertise in Microsoft technologies to deliver innovative solutions that drive business success. Your contributions will be instrumental in enhancing our clients' systems and infrastructure.As a key member of our engineering team, you will collaborate with cross-functional teams to design, implement, and optimize Microsoft-based solutions. Your experience will help guide best practices and ensure the highest quality of service delivery.

At CreatorIQ, we are revolutionizing the way brands engage with creators, trusted by over 1,300 global brands and agencies. Our mission is to humanize businesses and amplify human impact. We embody our core values: intentionality, excellence, collaboration, and kindness.Recognized as one of the best companies to work for by BuiltIn LA and NY, we have also been named a Fastest-Growing Company in North America by Deloitte Technology Fast 500™ for four consecutive years. Our accolades include being recognized as a leader in IDC MarketScape: Worldwide Influencer Marketing Platforms for Large Enterprises in 2025, and achieving high ratings from G2 and Influencer MarketingHub.Join us in our flexible work environment that promotes both in-person and remote collaboration, fostering innovation and accommodating diverse work styles.Position OverviewWe are on the lookout for a Senior Full Stack Developer to contribute to our exciting new project, Gifting. This innovative solution allows brands to send products to creators seamlessly, manage fulfillment, and track outcomes, propelling the future of creator commerce.In this high-impact role, you will work across the entire technology stack to design and build scalable systems from scratch. Collaborating closely with product and design teams, you will define the architecture, deliver quickly, and enhance a completely new user experience.Technical StackFrontend: React, TypeScript, JoyUI/MUIBackend: Python (Django), Node.js (TypeScript)Infrastructure: AWS (Lambda, EC2)Key Responsibilities:Lead end-to-end feature development across both frontend and backend (equal contribution)Contribute to the architecture and design of our greenfield product, influencing technical direction from the outsetCreate scalable APIs and services leveraging Django and Node.jsDevelop user-friendly, high-performance interfaces with React and modern component libraries