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…

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.

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.

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.

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.

Senior Software Engineer, Data Foundations ABOUT THE ROLE At Peloton, we view Data as a Product—a vital asset that drives every member interaction and influences business decisions. Our Datastores team is committed to offering a dependable, secure, and high-performing data persistence layer for application services throughout the organization. Our core principles include: 1. Safeguard the data, 2. Optimize for scalability, speed, and reliability, and 3. Minimize manual effort. We are seeking a Senior Software Engineer with extensive experience in constructing and managing data-intensive systems to join our Datastores team. This position is perfect for a backend engineer who has developed and maintained production systems heavily reliant on databases, caching layers, and data pipelines, and who is eager to advance their knowledge in scalable, cloud-native data infrastructures. You will collaborate at the intersection of application engineering and data platform reliability, working alongside service teams to enhance the storage, access, scalability, and observability of data across Peloton’s ecosystem. YOUR DAILY IMPACT AT PELOTON Your responsibilities will include: Designing, building, and maintaining backend systems that depend on scalable and highly available data persistence layers. Collaborating with service teams to refine database design, enhance query performance, and optimize data modeling. Contributing to automation efforts surrounding infrastructure provisioning using tools like Terraform and Backstage, while improving developer experience by creating self-service tools for databases and caching systems. Focusing on observability, performance insights, and autoscaling strategies for production datastores. Participating in architectural discussions regarding multi-regional data persistence and global scalability. This role merges hands-on backend engineering with significant exposure to cloud data systems and platform reliability challenges. WHAT YOU BRING We are looking for proficient backend engineers who are data-centric—those who have built systems where data performance, reliability, and modeling are crucial. 5+ years of software engineering experience in developing production backend systems. Strong familiarity with relational databases such as PostgreSQL or MySQL, including schema design, indexing, and query optimization. Experience with NoSQL datastores like DynamoDB, Redis, Elasticsearch, or Memcache. Exposure to data pipelines, event-driven architectures, and cloud technologies.

Join our innovative team as a Senior Data Engineer and play a pivotal role in enhancing our product platform. We are looking for an experienced professional with a strong background in data engineering to design, implement, and maintain robust data solutions.Main Responsibilities:Architect and develop data solutions that elevate our product platform.Define and refine data models tailored for analytical, operational, and predictive applications.Engage in critical data architecture and technical infrastructure decisions.Guarantee high quality, reliability, and maintainability through best practices in CI/CD and automation.Work closely with product owners, developers, and stakeholders to convert business requirements into effective technical solutions.Technologies Utilized: Azure DevOps, Kubernetes, SQL, ETL.

We are seeking a talented Senior Data Engineer to join our dynamic team at inetum2. In this role, you will be responsible for designing, implementing, and managing data architectures that support our business objectives. You will work closely with data scientists and analysts to ensure the integrity and accessibility of data across our organization.Your expertise in data modeling, ETL processes, and cloud technologies will be essential in driving our data strategy forward.

At Samba TV, we are at the forefront of transforming the global viewing experience through cutting-edge technology and proprietary data. Our mission is to enhance how audiences connect with their favorite shows and movies while providing advertisers with the tools to effectively engage and measure viewer reach across all devices. With a unique cultural perspective influenced by our extensive global data and AI insights, we are excited to drive innovation in the media landscape.We are seeking a passionate and experienced Senior Engineering Manager to lead our Data Delivery team. This role encompasses overseeing both a frontend platform team and a data delivery team, both of which are currently engaged in significant phases of platform evolution that promise high-impact results.In this position, reporting to the Senior Director of Engineering, you will serve as a second-line manager, guiding Engineering Managers and senior contributors across both teams. You should bring over a decade of engineering experience, along with the capability to establish operational objectives and policies for your department. You will be responsible for driving strategic initiatives across multiple workstreams, ensuring outcomes that have a meaningful impact on the broader business landscape.

AECOM Enterprise Capabilities is currently in search of a highly skilled Principal Engineer specializing in HV Substations Primary to join our dynamic team in Poland.The role encompasses the preparation of innovative designs and deliverables associated with primary electrical systems for transmission and distribution projects. Responsibilities will include, but are not limited to:Designing primary substation systems, including AIS/GIS configurations, transformer installations, circuit breaker selection, busbar arrangements, switchgear layouts, and disconnectors for voltages up to 800kV.Creating single-line diagrams (SLDs), general arrangement (GA) layouts, equipment sizing, and layout plans for substations and transmission systems.Conducting short-circuit force calculations, busbar sizing, fault current analysis, and designing equipment protection to ensure system stability and safety.Designing earthing systems, including grounding layouts, ground grid systems, and lightning protection mechanisms for substations.Integrating HVDC and HVAC systems, including converter stations, ensuring seamless compatibility with the overall substation design.Developing transformer layouts, encompassing oil containment, busduct routing, and secondary system interfaces.Optimizing substation layouts for both new and upgraded facilities, considering constraints such as space, equipment accessibility, and construction requirements.Reviewing and enhancing control and protection systems for primary substations, ensuring alignment with secondary systems and compliance with grid operator regulations.Collaborating with civil teams to design and integrate foundations, steel structures, and electrical cable routes for full integration with primary systems.Producing equipment specification documents, bill of materials (BOM), and providing procurement support to ensure appropriate equipment selection based on project criteria.Preparing electrical interconnection diagrams, termination diagrams, cable schedules, and other documentation essential for the installation and operation of primary systems.Conducting detailed design and review of auxiliary systems, such as cooling systems, auxiliary power supplies, and battery systems for substations.Designing underground cable systems, including cable sizing, routing, and integration into existing networks, particularly for HV cables.Coordinating with external vendors and contractors to guarantee that the supply and installation of equipment align with design specifications and project needs.

Join AECOM's Enterprise Capabilities as a Principal Engineer specializing in HV Substations Secondary in Poland!As a key member of our team, you will be responsible for creating and delivering designs for secondary electrical systems within transmission and distribution projects. Your duties will include, but are not limited to:Designing protection and control systems, which encompass relay settings, protection schemes, and interlock systems for substations.Preparing single line diagrams (SLDs), protection logic diagrams, metering layouts, and cable termination diagrams.Creating electrical interconnection diagrams, termination diagrams, cable schedules, and other essential documentation for the effective installation and operation of secondary systems.Conducting relay coordination studies (overcurrent, earth fault, motor protection, distance protection) including relay setting calculations and fault analysis.Performing power system studies, such as load flow analysis, short circuit studies, transient stability analysis, motor starting studies, and arc flash studies.Developing control and relay panel layouts, including general arrangement (GA) drawings, functional block diagrams, and bill of materials (BOMs).Designing SCADA communication schemes and ensuring system integration for protection systems to facilitate seamless interfacing between control and field devices.Reviewing and verifying design documentation to guarantee compliance with industry standards (IEC, IEEE) and utility specifications.Providing support during commissioning and testing phases, including Factory Acceptance Testing (FAT) and site integration of secondary systems.Creating algorithms to enhance system functionality, including fault detection, relay coordination, and stability improvement.Coordinating across disciplines, collaborating with other engineering teams to ensure the integration of secondary systems with primary infrastructure.Preparing external connection tables, cable schedules, and other design documentation as dictated by project specifications.

About WPP Media WPP is the creative transformation company, harnessing the power of creativity to shape better futures for our people, our planet, clients, and communities. For more details, visit wpp.com. WPP Media serves as WPP’s global media collective. In an era where media permeates every aspect of life, we unite the best platforms, talented individuals, and strategic partners to unlock limitless growth opportunities. Learn more at wppmedia.com. At WPP Media, we are passionate about our culture and the people who drive it. Our values empower us to provide extraordinary experiences for our clients and one another. In this role, embracing the foundational values of WPP and WPP Media is essential: Be Extraordinary by Leading Collectively to Inspire Transformational Creativity. Create an Open environment by Balancing People and Client Experiences through Cultivating Trust. Lead Optimistically by Championing Growth and Development to Mobilize the Enterprise. Role Summary and Impact As a vital member of the Global Operations Centre (GOC), you will collaborate with teams across the United States, Europe, and Asia to deliver impactful solutions in a diverse, multicultural setting. We are in search of an exceptional and visionary Principal Engineer to join our Data & Technology Solutions leadership team. This pivotal position requires deep technical expertise, strategic architectural insight, and influential leadership. You will define the technical vision and direction for the core components of our data products and AI platforms, including WPP Open, ensuring their scalability, reliability, and innovation within the dynamic AdTech landscape. Additionally, you will mentor senior engineers, promote best practices, and significantly influence our engineering culture and future.

At Samba TV, we are pioneers in tracking streaming and broadcast video globally through our innovative data and technology solutions. Our mission is to revolutionize the viewing experience for everyone. We empower media companies to connect with their audiences for new shows and movies while allowing advertisers to engage viewers and measure their reach across all devices. With a unique cultural perspective shaped by our global data and AI-driven insights, we are committed to transforming the media landscape.We are on the lookout for a skilled Data Engineer to enhance our Internal Data and Performance (IDP) team within the Internal Measurement department. This team serves as the definitive source of truth for internal data health and operational metrics, overseeing systems that monitor the company's television footprint, partner payments, and data quality. You will collaborate with various technical teams to enhance visibility and promote data-driven decision-making throughout the organization.

Location: Warsaw, Poland Company: Veeam Software About Veeam Software Veeam leads in data management and AI trust, helping organizations understand, secure, and strengthen their data. Headquartered in Seattle with teams in over 30 countries, Veeam protects the operations of more than 550,000 clients worldwide. The company focuses on keeping businesses running smoothly and enabling the safe, rapid adoption of AI at scale. Role Overview The Senior Data Security and Privacy Engineer will focus on implementing privacy-by-design principles and building strong data protection strategies for the Veeam Data Cloud (VDC) data plane. This position plays a critical role in upholding high standards for data security and privacy, helping to maintain client trust in Veeam's solutions.

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 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.

Join our dynamic team at Sigma Software Group as a Principal Software Engineer specializing in Ruby. In this role, you will lead innovative projects, drive technical excellence, and mentor junior developers. Your expertise will be pivotal in shaping our software solutions and enhancing our development practices.

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.