Tech Lead - Data Engineering

Teltonika Networks seeks a Tech Lead or Senior Embedded Linux Software Engineer for its Warsaw office. This position centers on developing and enhancing networking solutions that enable industrial connectivity in fields such as Industry 4.0, Smart Cities, and Green Energy. Role overview This role involves building software for both bare metal and embedded Linux devices. The work addresses complex challenges at the intersection of software and hardware, supporting industrial-grade connectivity equipment like routers, switches, gateways, and modems. These products help power modern infrastructure and automation. What you will do Develop software for bare metal and embedded Linux platforms Tackle challenging problems that involve both software and hardware Research and implement new technologies to keep solutions up to date Integrate with hardware components and embedded systems Coordinate with team members in Warsaw and the headquarters in Lithuania Offer technical guidance and mentorship to colleagues About the products The Networking Solutions division designs and manufactures equipment for industrial connectivity. To see the full product range, visit https://www.teltonika-networks.com/products.

Veeam Software stands as the trusted authority in data and AI, dedicated to empowering organizations to fully understand, secure, and ensure resilience in their data and AI systems. As a leading entity in data resilience and security posture management, Veeam is designed for the fusion of identity, data, security, and AI risk management. With our headquarters in Seattle and a presence in over 30 countries, we safeguard the operations of more than 550,000 customers globally, who rely on Veeam to keep their businesses thriving. Join us as we confidently advance together, fostering growth, learning, and making a significant impact for some of the world's most prominent brands.About the RoleVeeam Data Cloud is experiencing rapid growth, and we are focused on unifying our security strategy across all teams to ensure uniform product protection.We are in search of a Security Tech Lead who will spearhead the design and deployment of standardized security solutions and help establish a dedicated Software Security Engineering platform team. In this capacity, you will collaborate closely with the Director of Security Engineering to translate our cohesive strategy into a practical engineering roadmap, shaping a robust and integrated security framework.What You’ll DoLead the architecture and implementation of shared security primitives across Veeam Data CloudTranslate high-level security strategy into a concrete, prioritized engineering roadmap for cloud services and platform capabilitiesAct as a hands-on technical leader – write and review production code, drive design and code reviews, and provide mentorshipEstablish and promote secure-by-default patterns and shared libraries to streamline security across teamsBuild the foundation for a Software Security Engineering platform to manage shared security services and toolsCollaborate with product, platform, SRE, and compliance teams to ensure security solutions are robust and easy to adoptEnhance security posture through automation, guardrails, and policy-as-codeTechnologies You’ll Work WithLanguages & Frameworks: Go, Python, and TypeScript (and related service/API frameworks)Cloud & Platform: Modern cloud-native architectures (microservices, event-driven systems, multi-tenant SaaS) using AWS, Azure, and GCPSecurity & Identity: Authentication technologies

SoftwareMind is looking for a Data Engineer based in Warsaw. This role centers on designing, building, and maintaining data pipelines that help drive informed decisions throughout the company. Key responsibilities Create and manage data pipelines that integrate information from multiple sources Monitor and support data quality and reliability at every stage Collaborate with team members to deliver solutions aligned with business needs Requirements Strong grasp of data engineering principles Comfort working closely with others in a collaborative setting Interest in building systems that support data-driven decisions

Waymo is a pioneering autonomous driving technology company dedicated to becoming the world’s most reliable driver. Originating from the Google Self-Driving Car Project in 2009, Waymo is committed to enhancing mobility access and saving lives lost in traffic accidents. The Waymo Driver—the world's most experienced driver—powers our fully autonomous ride-hailing service and can be adapted to various vehicle platforms and applications. To date, the Waymo Driver has successfully completed over ten million rider-only trips, thanks to its extensive experience of autonomously navigating more than 100 million miles on public roads and billions of miles in simulations across over 15 U.S. states.The RO Performance team plays a crucial role in understanding and enhancing Waymo's self-driving technology. We are responsible for building and maintaining the essential infrastructure needed to process and analyze vast datasets from real-world driving logs and simulations. Our systems generate key performance metrics and power dashboards critical for tracking product performance, pinpointing improvement areas, and facilitating data-driven decision-making. The insights we provide directly impact Waymo's operational deployments, weekly performance evaluations, and ultimately enhance the safety and reliability of our autonomous vehicles.In this hybrid role, you will report to a Staff Software Engineer.

At Samba TV, we are at the forefront of transforming the global viewing landscape through our innovative data and technology. Our mission is to enhance the viewing experience for audiences worldwide. With our unique data capabilities, we empower media companies to connect with viewers for their latest shows and movies, while providing advertisers with tools to engage audiences and evaluate their reach across various devices. Our rich narrative is shaped by a diverse array of cultural insights derived from our extensive global data reach and AI-driven analytics.We are looking for a talented Data Engineer to join our data platform team. This team is essential in developing and maintaining the robust data platform that serves our entire organization, facilitating everything from data ingestion to advanced analytics and reporting. You will work with valuable viewership data and contextual datasets, as well as scalable applications that support data-driven decision-making. Our hybrid work model allows you to collaborate primarily using AWS, Databricks, BigQuery, and Snowflake technologies. The successful candidate will possess significant expertise in cloud-based data engineering, distributed data processing, and data governance, ensuring our analytics, reporting, and machine learning initiatives are well-supported.

Join our dynamic team at inetum2 as a Data Engineer, where you will play a pivotal role in designing, building, and optimizing our data infrastructure. We are seeking a forward-thinking individual with a passion for data and technology.

About the Role margo-group is hiring a Senior Data Engineer in Warsaw. This team builds data solutions that help brands and shoppers connect across the open internet. The company started with a start-up mindset and has grown into a global commerce media leader. What Makes This Team Stand Out Focus on commerce intelligence and AI-driven insights Collaborative, inclusive culture where every voice matters Commitment to continuous innovation and diverse perspectives Impact Senior Data Engineers at margo-group play a key role in shaping the future of digital commerce. Work here means building solutions that empower businesses and drive real results in the commerce space.

Role overview Sigma Software Group is hiring a Senior Data Engineer in Warsaw to focus on integrations and the data platform. This position involves designing and building solutions that connect data across the company’s platforms. Collaboration with teams throughout the organization is central to keeping data moving reliably and strengthening the overall data architecture. What you will do Design and implement data integration solutions for various platforms Work closely with cross-functional teams to keep data flowing seamlessly Optimize and maintain data pipelines for performance and reliability Monitor data quality and drive improvements where needed Apply best practices in data management Support the ongoing development of the company’s data architecture Impact This role plays a key part in enabling data-driven decision making at Sigma Software Group. By ensuring reliable, high-quality data is available when needed, the Senior Data Engineer helps establish data as a strategic asset for the organization.

About The Dot CollectiveWe are a forward-thinking consultancy operating across the UK and EU, driven by engineering excellence and a commitment to empowering individuals to create meaningful impacts.Our projects leverage the latest technology stacks and we adopt agile scrum methodologies to ensure efficiency and effectiveness in our deliverables.About YouAre you enthusiastic about the power of data and its potential to transform businesses? Do you thrive on making significant contributions in a short time frame? If so, you may find your perfect role with us.

TENTENS Tech is a dynamic IT partner of SKELAR, a Ukrainian venture builder focused on creating international tech businesses. We specialize in developing social discovery platforms for over 20 million users worldwide.Our growth is driven by deep expertise in analytics, high-load systems, and performance marketing. The TENTENS Tech team currently consists of more than 250 talented individuals, each acting as a CEO in their role and significantly impacting our collective success. We operate with a 10/10ths approach: we stay focused on our goals, ask the right questions, and never settle for 'good enough'—only excellence and a bit more.We are looking for a passionate Marketing Lead (User Acquisition) to join our team.As a Marketing Lead, you will face exciting challenges including:- Directly influencing growth processes and the ability to launch new channels.- Mentoring other User Acquisition Managers with the potential to lead a team in the future.- Launching and scaling campaigns on platforms such as TikTok, Snapchat, X (formerly Twitter), Quora, etc.- Implementing growth hacking strategies and seeking opportunities for rapid growth outside of traditional marketing schemes.- Evaluating campaign effectiveness by monitoring key marketing metrics and adjusting strategies based on data insights.- Conducting competitor research and analyzing their marketing channels, materials, and user acquisition approaches.- Collaborating with the creative team to produce high-converting ad creatives, setting tasks for designers, and participating in brainstorming sessions.- Working with the product and tech teams to design effective conversion funnels and enhancing user flows.What matters to us:- 4+ years of marketing experience;- Hands-on experience in creating and executing advertising campaigns on Facebook and Google Ads;- Understanding of marketing metrics and their relationship with company financial outcomes;- Data-driven decision-making skills with strong analytical abilities to interpret large volumes of information.Bonus points for:- 2+ years of managerial experience;- Experience with TikTok Ads.What you will gain by joining us:- Access to internal clubs focused on professional areas such as marketing, development, finance, and recruitment;- Opportunities for training, courses, and conference attendance;- Spacious and modern offices in Kyiv and Warsaw;- Medical insurance and a corporate doctor.Join us in building the next big thing!

QED AI is an innovative technology firm dedicated to enhancing public health and food security in Sub-Saharan Africa. By developing cutting-edge digital infrastructure and leveraging AI, we operate at the critical intersection of humanitarian aid and scientific research. Our initiatives include monitoring diseases such as HIV, malaria, and tuberculosis, as well as conducting nutrient analyses for crops and soils across various African nations. Our funding sources include prestigious philanthropic and governmental organizations such as the Global Fund, Gates Foundation, and the CDC.We are seeking a mid/senior Data Platform Engineer (Backend) to join our dynamic team in Warsaw. Ideal candidates will possess the following:Proven experience in designing and maintaining data pipelines utilizing ETL and/or ELT methodologies, with a critical eye on trade-offs rather than adhering to a single pattern.Solid understanding of data pipeline reliability, including concepts of idempotency, backfills, and the management of late or corrected data.Ability to structure data systems into distinct layers (e.g., raw, cleaned, curated) and articulate their varying functions and guarantees.Experience with making informed decisions between batch, micro-batch, and streaming methods based on latency, accuracy, and operational complexity.Strong foundation in software engineering principles, version control, writing clean code and tests, robust design, and a grasp of basic data structures and algorithms.Ability to conceptualize logical software architectures and communicate clearly, both verbally and in writing.Eagerness to engage with a diverse range of problems and technologies.Willingness to participate in regular design sessions, code reviews, and collaborate effectively within teams.Experience with UNIX-based or OSX-Darwin development environments.Working proficiency (≥C1) in English, both spoken and written (minimum typing speed of 45 words per minute).Interest in collaborating with individuals from different cultural backgrounds.Demonstrated emotional resilience and social intelligence.A genuine passion for your work and a generally optimistic outlook, while recognizing the value of constructive skepticism.Additional skills that are advantageous but not mandatory include:Understanding of analytical data modeling concepts, including hierarchical and dimensional modeling.

Join one of Poland's foremost telemedicine platforms as an AI Data Engineer, where you will be the architect of our analytics layer. Your role involves designing and implementing intelligent workflows that transform raw operational data into dynamic, self-validating reports. You will analyze business processes to determine which tasks can be automated using AI, then build and maintain these solutions. You'll be the driving force behind initiatives aimed at streamlining reporting, ensuring it aligns with AI capabilities, and shaping the future of our analytics.

Role Overview CreatorIQ is hiring a Senior Data Engineer focused on reporting in Warsaw. This position works closely with teams across the company to improve data architecture and reporting systems. The work supports data-driven decision-making throughout the organization. What You Will Do Design and build data pipelines for reporting and analytics Maintain and improve data quality across systems Optimize performance of reporting tools Impact The Senior Data Engineer’s work shapes the efficiency and reach of CreatorIQ’s analytics. Strong systems and reliable data help teams make informed decisions and drive business results.

Role Overview Miratech is hiring a Senior Data Engineer in Warsaw. This position focuses on designing and building data architectures and pipelines to support the company’s data initiatives. The Senior Data Engineer works closely with teams across the business to maintain data quality and improve accessibility, helping drive informed decisions throughout the organization.

Join our dynamic team as a Junior Data Engineer, where you will play a critical role in enhancing modern, real-time data processing capabilities. You will assist in transitioning existing data and ML workflows from batch processing to scalable streaming solutions. This position involves hands-on engineering, close collaboration with Data Scientists, and operational oversight for production data pipelines.Technology EnvironmentUtilization of advanced real-time data streaming technologies for ML model inference.Experience with distributed data processing frameworks that enable scalable, low-latency pipelines.Work with containerized workloads orchestrated in cloud-native environments.Employ monitoring and observability tools to ensure the reliability and performance of data pipelines.Engage with a Python-based ecosystem that supports ML model integration and lifecycle management.Key ResponsibilitiesTransform batch inference workflows into efficient streaming pipelines.Establish streaming semantics to replace batch windows, including micro-batching, windowing, and state management.Design Kafka topic structures, partitioning strategies, and consumer group patterns tailored for prediction workloads.Implement strategies for checkpointing, backpressure handling, and delivery guarantees.Package and version ML model artifacts for streaming jobs to facilitate safe rollouts and rollbacks.Optimize performance for throughput and latency through effective batching strategies and resource allocation.Deploy and manage streaming jobs with comprehensive monitoring and alerting.Integrate streaming outputs into downstream ETL/BI systems seamlessly.Collaborate with Data Scientists on CI/CD for streaming models while monitoring model performance and drift.Team & CollaborationEngage in a distributed delivery model closely coordinated with the central AI/BI team in Germany.Experience daily collaboration through MS Teams, Jira, and Confluence.Utilize Agile methodologies (Scrum/Kanban) within cross-functional squads.

Join Our Team as a CDP Data Engineer!At Software Mind, we are dedicated to crafting innovative analytical solutions for digital services. Our mission is to create a state-of-the-art data ecosystem utilizing a diverse array of technologies, particularly within the AWS cloud environment.We are seeking a talented individual to become an integral part of our team, focusing on the implementation of a Customer Data Platform (CDP). This role encompasses everything from installation and configuration to development, integration with our analytical and Data Governance tools, and ongoing maintenance.Your Contributions Will Include:Establishing and maintaining the CDP environment, including collectors, enrichers, and loaders.Integrating event data from multiple sources.Configuring and developing the CDP, including schema repositories.Building and sustaining data pipelines on AWS.Creating analytical models and integrating them with the data catalog.Collaborating on the development and implementation of user identification mechanisms (ID stitching, cross-device, cross-site, consent logic).Documenting processes and working closely with teams in Data Engineering, Data Management, Data Governance, IT, Privacy, and Analytics.

About the Role inetum2 is looking for a Technical Leader Data Engineer in Warsaw. This position puts technical leadership at the center of data engineering projects, shaping solutions and guiding teams in a changing data landscape.

Role Overview adlook is hiring an Analytics & Data Engineer in Warsaw, Poland. This position plays a key part in shaping how the company uses data to inform decisions and improve operations. The role centers on building and maintaining data pipelines, making sure information stays accurate and easy to access. What You Will Do Work with teams across the company to design and implement data pipelines Support the reliability and quality of data used for analytics and reporting Help optimize data workflows to improve how the organization makes decisions

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.