Infrastructure and Platform Development Engineer

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.

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.

Join Our Team as a Software Engineer!We are seeking a talented Software Engineer to become a key member of Bolt’s Data Platform Insights team. In this role, you will be responsible for developing and enhancing the platform that empowers Bolt teams to create and manage high-quality data products. Your contributions will ensure that data is both reliable and accessible, driving impactful decisions at a massive scale.About BoltWith more than 200 million customers across over 50 countries, Bolt stands as one of the fastest-growing tech companies in Europe and Africa. Our success is attributed to our dedicated team members, and we are committed to fostering an inclusive environment where every individual is welcomed, irrespective of race, color, religion, gender identity, sexual orientation, age, or disability.Our vision is to transform cities into spaces designed for people rather than vehicles. We need your expertise to help us achieve this mission!About the RoleAs a Software Engineer in the Insights team, you will play an essential role in shaping the data ecosystem at Bolt. You will deliver frameworks, libraries, and automations that facilitate the seamless building, testing, and deployment of thousands of data models, metrics, and BI reports. Collaborating closely with data producers, you will tackle their toughest challenges and develop scalable, elegant platform solutions. We are committed to solving complex engineering problems at scale, ensuring that Bolt’s data modeling ecosystem remains reliable, cost-effective, and high-performing.

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 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.

Engineering Manager - Platform** This role can be based remotely in Finland, Switzerland, Poland, UK, Italy, or Germany **At Scandit, we empower individuals with superhuman capabilities. From enabling delivery drivers to optimize their routes, matching patients with their medications, to enhancing retail operations, our cutting-edge technology automates workflows and delivers actionable insights across diverse industries. Join us in our mission to innovate and elevate Scandit to new heights.About the RoleAs the leader of our Platform Engineering (DevOps & SRE) team, you will oversee the vital cloud infrastructure and CI/CD pipeline ecosystem that supports our entire engineering division. Our team is dedicated to refining engineering practices, ensuring efficiency, and accelerating delivery speed. We leverage modern tools such as AI-assisted workflows to enhance planning and execution.We seek an Engineering Manager to guide our Platform Engineering team, providing clarity, structure, and consistent execution. You will collaborate closely with product engineering teams, embracing AI-enabled tools and methodologies to speed up development and enhance engineering effectiveness. This position offers opportunities for expanded responsibilities as Scandit continues to grow, including leading additional engineering initiatives or teams.What You Will DoLead, mentor, and nurture your team.Provide structure and clarity to planning, execution, and reporting.Manage the operation and continuous enhancement of our cloud infrastructure and CI/CD pipelines.Drive cross-team initiatives in security and compliance, such as reducing Snyk vulnerabilities and supporting ISO-related efforts.Enhance security, reliability, and cost efficiency through disciplined processes and clear accountability.Establish roadmaps, milestones, and progress reporting (like OKRs) to keep stakeholders informed of plans, risks, and delivery timelines.Engage in proactive collaboration with product and engineering teams to align priorities and successfully execute shared initiatives.Identify bottlenecks and spearhead improvements to boost engineering velocity.Embrace additional responsibilities and cross-team leadership as Scandit continues to expand.Who You AreYou have a strong background in DevOps/SRE practices.You possess excellent leadership and team-building skills.You are adept at using modern tooling and methodologies to drive engineering efficiency.

Altersolutions is seeking a Senior Platform Engineer (Developer Experience) to lead the establishment and standardization of engineering practices, enhance developer workflows, and define standards for CI/CD and collaboration. This role melds hands-on DevOps expertise with a strong focus on clarity, comprehensive documentation, and effective process design.The primary objective is to boost the efficiency, consistency, and scalability of our engineering organization. In this capacity, you will collaborate closely with engineering leads, product managers, and other key stakeholders to ensure our operational methods are thoroughly documented, clear, and actionable.Key ResponsibilitiesDesign, document, and maintain comprehensive software development processes, encompassing coding standards, branching strategies, testing protocols, release management, and deployment workflows.Engage with engineering managers, team leads, and product teams to gather insights and best practices, facilitating the seamless adoption of tools and methodologies.Convert intricate technical workflows into clear, concise documentation and visual aids (such as flowcharts, process maps, checklists, and templates) to enhance understanding.Assess and implement tools aimed at improving developer experiences (e.g., feature flagging, local development environments, code quality tools).Oversee a central documentation repository (e.g., Confluence, Notion, or Git-based systems), ensuring that all documentation remains current and version-controlled.

Strategic LeadershipDesign and execute a robust data privacy and access control framework that encompasses multi-dimensional classification, dynamic permissions, and information barriers.Serve as the technical leader of a specialized team dedicated to privacy-centric access controls while collaborating with cross-functional teams including data ingestion, knowledge mapping, and automation developers.Establish and uphold security and privacy standards, policies, and best practices throughout the entire product development lifecycle.Technical ImplementationCraft a multi-tiered access control model that integrates Role-Based Access Control (RBAC), Attribute-Based Access Control (ABAC), and purpose-driven limitations.Supervise the deployment of intricate data classification frameworks leveraging NLP and other advanced technologies.Design and validate mechanisms for permission propagation tailored for graph data models and derived insights.Set security boundaries for autonomous AI agents, ensuring adequate context isolation and privilege controls.Cross-Team CoordinationCollaborate closely with engineering teams to embed privacy controls into the data pipeline, knowledge graph, and AI components.Partner with product management to harmonize privacy requirements with usability and functionality.Work alongside customer success to address specific client privacy and compliance needs.Advocate for the adoption of privacy-by-design principles among development teams.

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.

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.

Join the forefront of online privacy with the world’s most advanced VPN.Are you a proactive problem-solver who thrives in dynamic environments? Become a vital member of the team that developed Threat Protection Pro, the NordLynx protocol, and the fastest VPN worldwide—innovations that empower individuals with privacy, security, and control over their digital lives.Your Contribution: Enable millions to regain their online security, privacy, and data management.At NordVPN, we safeguard millions of users every day through an expansive global edge infrastructure comprising thousands of servers across numerous countries. The platform engineering team is responsible for building and maintaining the internal backend services that facilitate this protection.We are seeking a Staff Site Reliability Engineer (SRE) to design, build, and enhance these critical systems. This role demands a high level of ownership—you will architect solutions and deploy them to production. Colleagues will depend on you when it comes to rethinking architecture or scaling services from inception to global deployment.Key ResponsibilitiesDesign and manage on-demand, globally distributed backend services.Make strategic architectural decisions regarding the integration and scalability of internal services.Oversee the entire lifecycle: planning, implementation, monitoring, incident response, and postmortems.Enhance infrastructure tooling and automation processes.Contribute to our engineering standards, documentation, and operational maturity.Assess and incorporate AI tools (including LLMs, Claude Code, and model integrations) into engineering workflows.Essential QualificationsExperience in designing and operating globally distributed systems.Proficiency in systems architecture, service communication, data flow, and resilience patterns.Extensive Linux administration experience at scale (including systemd, kernel tuning, and debugging production systems).Expertise in Docker—building, shipping, and running containers in production environments.Familiarity with databases such as PostgreSQL, MySQL, Redis, OpenSearch, and VictoriaMetrics.Experience with web servers, load balancing, and failover mechanisms (e.g., Nginx, HAProxy).

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.

Oversee the technical management of SimCorp Dimension along with associated enterprise applications.Diagnose and resolve incidents within stipulated operational timelines.Conduct routine software updates and maintenance tasks.Ensure technical documentation is maintained and regularly updated.

Location: Poland About Us: RTB House is a leading global company that specializes in providing cutting-edge marketing technologies for renowned brands and agencies worldwide. Our unique ad-buying engine stands out as the world's first fully Deep Learning-powered platform, enabling advertisers to achieve exceptional results and meet their objectives throughout every stage of the marketing funnel. We are currently seeking talented engineers to join our Platform Engineering team within the Bidding Platform structure. If you have a passion for system-related topics such as deployment, monitoring, databases, and load balancing, along with experience in leading complex project specifications and coordinating team efforts, we want to hear from you! This is an excellent opportunity for those eager to tackle technically challenging and sophisticated solutions.

Join SoftwareMind as a DevOps/Platform Engineer and be a crucial part of our dynamic team in Warsaw. In this role, you will leverage AWS and utilize CDK to enhance our platform's performance and reliability. Collaborate with cross-functional teams, implement innovative solutions, and drive continuous improvement in our DevOps practices.

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.

About the Role Nearmap is looking for a Software Engineering Manager to guide the Web Platform team in Warsaw. This role involves leading engineers focused on building and improving web solutions that support user experience and business objectives. What You Will Do Direct a team of engineers working on the web platform Work with cross-functional groups to clarify project needs and set schedules Oversee delivery of software projects, keeping quality and deadlines in focus Encourage a culture centered on technical growth and ongoing improvement Location This position is based in Warsaw.

Docplanner has spent over ten years reimagining how people experience healthcare. The company began by questioning whether patients truly sat at the center of care, and has since helped millions share reviews about their medical visits. Alongside this, Docplanner has introduced digital tools that make appointment management easier for doctors. The goal remains clear: make healthcare more human and accessible. Today, Docplanner operates in 13 countries and supports over 90 million patients each month. More than 300,000 healthcare professionals use the platform. Backing from investors like Point Nine Capital, Goldman Sachs Asset Management, and One Peak Partners has fueled steady growth. The team now includes over 2,500 employees, yet still values the entrepreneurial spirit that shaped its early years. Tech at Docplanner The Docplanner Tech team brings together more than 400 engineers, data scientists, and product experts. Many have built long careers here, contributing to a culture that values both innovation and lasting collaboration. New team members are welcomed with genuine enthusiasm. For more insights into the company’s culture, see Glassdoor reviews or watch this video. What makes work here meaningful? Projects at Docplanner have a direct impact on healthcare for millions. The company values individuality and encourages people to bring their full selves to work. Diverse perspectives are seen as essential to better solutions. The workplace supports both remote and virtual collaboration, making it easy to contribute from anywhere. Location details The Senior Platform Engineer - AI Innovations role is based in Warsaw. Remote-friendly options are available.

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.