Principal Engineer - AdTech

Join Delivery Hero as a Principal Engineer specializing in AdTech. We are looking for a highly skilled individual to lead our engineering initiatives within the advertising technology space. You will work closely with cross-functional teams to enhance our platform, ensuring a seamless and innovative experience for our users.In this role, you will mentor juni…

Role overview Delivery Hero SE seeks a Senior Backend Engineer to join its AdTech team in Berlin. The focus is on developing and maintaining backend systems that power advertising technology products and services. What you will do Design and build scalable backend systems tailored for AdTech applications. Collaborate with engineers, product managers, and cross-functional teams to deliver features that enhance performance and user engagement. Create solutions that adapt to evolving customer and business requirements. Location This position is based in Berlin.

Role overview As a Senior Fullstack Engineer focused on AdTech at Delivery Hero, this position centers on building and enhancing products that drive advertising technology within the company. The work involves collaborating with various teams to create and improve applications that balance user needs with business objectives. What you will do Design and develop fullstack applications for AdTech initiatives Work with colleagues across departments to deliver solutions that support both users and business stakeholders Continuously refine and optimize existing products to improve performance and outcomes Location This role is based in Berlin.

Join Delivery Hero as a Staff Software Engineer specializing in AdTech Demand. In this key role, you will be pivotal in shaping our advertising technology solutions, driving innovation, and enhancing the user experience for our global audience. We are looking for a passionate engineer who thrives in a collaborative environment and is eager to tackle complex challenges.

Join our dynamic team at redcare-pharmacy as a Staff Engineer specializing in Retail Media and AdTech Solutions. In this pivotal role, you will leverage your expertise to drive innovative solutions within the retail media landscape, optimizing advertising technologies that enhance our clients' visibility and reach. Collaborate with cross-functional teams to develop and implement cutting-edge ad solutions that meet the diverse needs of our customers.

At Intercom, we are revolutionizing customer service with our AI-driven solutions. Our flagship AI agent, Fin, empowers businesses to provide exceptional customer experiences by offering seamless, always-on support. Fin integrates with our Helpdesk to form the comprehensive Intercom Customer Service Suite, designed to tackle complex queries that benefit from human touch.Founded in 2011, Intercom has gained the trust of nearly 30,000 global businesses by setting new benchmarks in customer service. Our core values drive us to innovate relentlessly, work with agility, and deliver unparalleled value to our clients.Berlin's dynamic environment, rich in technical talent and creative energy, aligns perfectly with our vision. We are excited to expand our team and invite top engineers from around the world to join us in shaping the future of customer communication.As we aim to recruit 100 professionals across various disciplines in Berlin, this is an exceptional opportunity to be part of a pioneering R&D team and make a significant impact in the rapidly evolving customer service landscape.What’s the opportunity?As a Principal Engineer at Intercom, you will spearhead the definition and execution of strategic initiatives within our engineering organization. Your role encompasses building both back-end and front-end systems while collaborating closely with designers, product managers, researchers, and data analysts. You will also mentor fellow engineers and work closely with Group Engineering Managers to shape technical strategies and leadership.Discover more about our engineering culture at intercom.engineeringWhat will I be doing?As a seasoned engineer, your responsibilities will include:Leading strategic projects within the R&D organization, utilizing your mastery of domain knowledge.Providing insights on project progress, risks, and challenges to engineering leadership, facilitating effective resource allocation and prioritization.

About commercetoolsAt commercetools, we believe that true innovation is rooted in a solid foundation, achieved through the right synergy of our products and our talented people. Our team is made up of visionary builders, adventurous explorers, and creative problem-solvers. These are the individuals who have not only transformed commerce architecture with a more flexible approach but also fostered a culture of experimentation that drives our success. Together, we are the pulse of commerce innovation today. We empower the next generation of commerce solutions for our clients—whether it's AI-driven tools for informed decision-making, merging digital and physical shopping experiences, or creating new avenues for industries to engage with their customers. We enable the world’s most ambitious companies to experiment, scale, and thrive without limits. Here, the best ideas take precedence over the loudest voices, and you will have the resources, autonomy, and trust to not only redefine the future of commerce but to shape your own journey.Your ImpactAs a Principal Engineer in Product Security, you will play a pivotal role in supporting the Engineering team by addressing complex technical challenges and facilitating a 'shift left' approach to building secure services on a multi-cloud infrastructure.

Join our dynamic Central AdTech team as a (Senior) Product Manager for our Data & Brand Insights Platform. We are dedicated to delivering exceptional experiences that empower thousands of restaurants, shops, and local businesses.Your role will be pivotal in providing vendors with advanced tools to enhance their operations, visibility, and market reach. Every feature you contribute to will unlock growth opportunities, reinforcing Delivery Hero’s ecosystem.In this position, you will lead the strategy, development, and utilization of a platform that transforms extensive commerce and advertising data into significant insights for advertisers, brands, and internal stakeholders. You will influence how brand performance, audience insights, and campaign results are revealed throughout our network.At the intersection of commerce data, advertising, analytics, and AI, you will create data products that help brands gain a deeper understanding of customers, assess impact, and make informed investment choices across our retail media network.Your collaborative efforts with Data Engineers, Analysts, Data Scientists, and Engineering teams, along with commercial partners, will be essential in translating complex data into actionable insights and scalable product solutions.Key Responsibilities:Define and steer the product strategy and roadmap for the Brand & Data Insights platform, enabling value extraction from commerce and advertising data.Develop data products that yield actionable insights on brand performance, customer behavior, and campaign effectiveness.Collaborate closely with Data Engineering, Data Science, and Analytics teams to design scalable data models, pipelines, and insight frameworks.Engage with Frontend, Backend, and UX teams to craft intuitive products that simplify complex insights for diverse user personas.Utilize modern data ecosystems to advance our platform from descriptive reporting to predictive and prescriptive insights.Partner with commercial teams, advertisers, and stakeholders to comprehend key decision-making requirements and translate them into impactful product features.Ensure our data products are reliable, scalable, and self-serve, allowing users to independently explore insights.Drive initiatives to enhance data quality, consistency, and governance across the retail media ecosystem.Champion a data-first product mindset across the organization.

*** Welcome to a place where innovation meets consistency in voice and messaging across all job postings.*** C'est un endroit où l'innovation rencontre la cohérence dans la voix et le message de toutes les offres d'emploi.Are you ready to redefine the future of technology?Join us on an exciting journey into the world of digital banking with Tietoevry Banking. Be a part of a revolutionary movement that empowers businesses and societies to realize their full potential while harnessing your own. Whether your passion lies in strategy, coding, analysis, or technology exploration, we have a place for you.We are currently seeking talented graduates for the autumn of 2024 in Sweden who are eager to help shape the future of finance. Become a member of our international team of 4,000 experts, dedicated to creating value that benefits both customers and humanity. This is your gateway to a fulfilling global career.The ProgramOur Rotation track is tailored for tech students desiring to collaborate with customers to innovate the future of banking. Engage with the latest FinTech technologies as you explore diverse areas within the financial services sector. You will acquire valuable knowledge and hands-on experience throughout the software development lifecycle by participating in three different customer projects, focusing on requirements, development, and testing. Post-program, you will specialize in one of these key areas.The Graduate Program offers a comprehensive introduction to our company, culture, and the markets we operate in, along with exposure to real customer projects.What we offer?Upon joining, you will gain full access to a personal mentor, networking events for Nordic graduates, and activities for young professionals. You will be welcomed into our established learning communities and benefit from collaboration across various digital disciplines. Additionally, we provide:Professional and personal development. We believe that mutual learning and growth elevate us all. Challenge yourself while working in our tech company, supported by your leader, team, and personal mentor. You will also receive guidance from a dedicated buddy.

redcare-pharmacy is seeking a Senior Product Analyst to join the Berlin office, specializing in Retail Media and AdTech. This role centers on using data to guide advertising and product strategies within a dynamic retail environment. Key responsibilities Analyze product performance and advertising effectiveness using data from Retail Media and AdTech sources. Collaborate with cross-functional teams to spot market trends and turn findings into practical insights. Support decisions for product development and company strategy through data-driven analysis. Help shape the direction of advertising and product offerings by contributing analytical expertise. Requirements Proven skills in Retail Media and AdTech analytics. Experience working with teams across different business functions. Ability to interpret trends and translate analysis into clear recommendations.

Join Intercom as a Principal Engineer focusing on our Fin AI Agent, where you'll play a crucial role in shaping the future of financial technology. You will lead the design and development of AI-driven solutions that enhance customer engagement and streamline financial processes.

At JetBrains, we are passionate about code. Since our inception in 2000, we have dedicated ourselves to developing the strongest and most effective developer tools available. Our innovative solutions automate routine checks and corrections, accelerating production and empowering developers to innovate, explore, and create.About the InitiativeJetBrains is transforming from standalone developer tools to a unified, AI-native platform for software development.AI is evolving from a mere assistant within the editor to an essential participant in software planning, building, reviewing, and operating across teams and organizations. This evolution presents new challenges that cannot be addressed by individual tools alone, including governance, security, cost management, observability, and cooperation between humans and autonomous agents.Our mission is to establish a platform that facilitates the adoption of AI in software development in a structured, scalable, and economically efficient manner, without confining companies to closed ecosystems.We are constructing a foundation that unifies developer workflows, team collaboration, and organizational oversight into a coherent system.This platform will act as the execution and governance layer for AI-driven development, tightly integrated with developer tools while designed for cross-team, product, and environmental compatibility.This initiative represents a long-term strategic investment for JetBrains and is a cornerstone of our vision for the future of software development. The RoleWe are seeking a Principal Engineer (JetBrains Cloud Platform, Developer Experience) to spearhead significant enhancements to the development experience across the JetBrains Cloud Platform (JCP).This position is pivotal in enhancing the productivity of JCP engineers through improvements to build systems, CI/CD pipelines, local development workflows, tooling infrastructure, and AI pipelines. You will oversee the developer experience from the local development, build, and testing stages to the transition of code through CI to production. Given the rapid growth of this platform, numerous workflows and processes are still in development. You will define what an exceptional development experience entails and guide the organization toward achieving it. As part of our team, you will:Develop and implement strategies for enhancing the developer experience across the entire JCP platform.Optimize build systems (such as Gradle and Nx) for improved speed, caching, and reliable reproducibility at scale.Establish AI development pipelines to facilitate innovation.

Design and implement robust, scalable architectures that serve millions of users across renowned platforms like BILD, WELT, POLITICO Germany, and BUSINESS INSIDER Germany.Guide architectural decisions across various engineering teams while providing hands-on support to tackle intricate challenges in distributed systems.Develop and manage cloud-native infrastructure utilizing Kubernetes, ensuring high availability and performance at an enterprise scale.Empower engineering teams with platform decisions, tools, and architectural direction that enhance development velocity.Create and execute service architectures, API gateways, and inter-service communication patterns for our multi-brand ecosystem.Oversee infrastructure and CI/CD pipelines (cloud, containers) to maintain stable and efficient systems across all properties.Diagnose and resolve complex production issues, collaborating directly with teams to implement effective solutions.Mentor colleagues in best practices for distributed systems, conduct architecture reviews, and promote technical excellence throughout the organization.Transform complex infrastructure needs into clear technical strategies for both technical and non-technical stakeholders.

Join our innovative AdTech data science team as a Principal Data Scientist focused on Vendor Recommendations and AI, and help us enhance customer experiences.At Delivery Hero, you will play a crucial role in supporting the success of numerous restaurants, shops, and local businesses. Your insights will enable vendors to harness advanced tools for operational management, enhancing their visibility and market reach. Each feature you contribute to will create growth opportunities for diverse businesses, fortifying Delivery Hero’s ecosystem.Our AdTech division connects consumers with new culinary delights while allowing our partners to engage potential customers at the right moment. We have crafted a suite of products that deliver advertising solutions to restaurants, aiding them in boosting visibility, improving order conversion, and ultimately driving increased sales across the marketing funnel. Operating in over 50 countries, our AdTech connects ideal advertisers with their target customers millions of times daily. The data science team is pivotal in this growth, enhancing personalization, ranking, relevance, and recommendations.Ownership: Spearhead the design, construction, and deployment of comprehensive AI recommendation systems that yield multi-million-euro business results for the vendor sector.NBA Framework: Manage the architecture and modeling to establish the best sequence and timing of actions (e.g., ad recommendations, promotional offers) to optimize vendor success metrics.Time-Series & Forecasting: Direct vital initiatives in advanced time series modeling for demand forecasting, vendor projections, and analyzing long-term vendor trends.Commercial Insights: Serve as the technical authority for take rate optimization, utilizing statistical rigor and causal methodologies to evaluate the impact and efficiency of vendor-facing pricing and ad tech strategies.Cross-Functional Collaboration: Be the lead technical partner for Product, Engineering, and Commercial teams to validate business hypotheses and align on the recommendations strategy.

Join Almedia, a forward-thinking company that accelerates career growth for those eager to push the boundaries. As Germany's aspiring second bootstrapped unicorn and Europe’s #3 fastest-growing company according to the FT1000 in 2025, we are revolutionizing marketing by rewarding our community of over 60 million users for engaging with top brands.We are on the lookout for a talented Backend Engineer to enhance our AdTech platform. If you have a passion for developing scalable and high-performance web applications and thrive in a collaborative team environment, we want to hear from you!Tech Stack:TypeScript, NestJS, Jest.GraphQL, REST, gRPC, WebSockets.MySQL, MongoDB, Redis, BigQuery.RabbitMQ, Google Pub/Sub.Docker, Kubernetes, GitLab CI/CD.Datadog.What You’ll Do Write clean, efficient, and scalable code utilizing NestJS and TypeScript.Create a data-driven product by integrating external services for A/B testing and feature flagging.Deliver high-quality, testable code swiftly, ensuring smooth operations.What You’ll Bring Proven experience in web development.Solid understanding of scalable systems.Experience with most of our tech stack in a production environment.An ownership mindset: taking full responsibility for your work.Strong English communication skills for effective teamwork.What Makes You a Great Fit Experience with microservices architecture.Background in DevOps/SRE practices.Why Choose Almedia? Dynamic work environment.Fast career advancement opportunities.Innovative projects with real impact.

We are seeking a highly skilled Principal Engineer specializing in Control and Safety Technology to join our dynamic team at Ramboll in Berlin. In this role, you will utilize your expertise as a Certification Specialist or Construction Authorization Officer, ensuring compliance with industry standards and regulations.Your responsibilities will include leading projects, providing technical guidance, and ensuring that our engineering practices meet the highest standards of quality and safety. You will work closely with clients and stakeholders to deliver innovative solutions that drive efficiency and effectiveness in our operations.

Join Almedia, a dynamic and innovative company where ambition meets opportunity. As we strive to become Germany’s next bootstrapped unicorn, we are proud to be recognized as Europe’s third fastest-growing company in 2025 according to the FT1000.At Almedia, we are revolutionizing the marketing landscape by enabling our vast community of over 60 million users to earn rewards for interacting with our advertisers' products, providing a unique approach to user acquisition for major global brands.Machine Learning EngineerIn this pivotal role, you will be responsible for the design, development, and scaling of production-grade machine learning solutions that drive the innovation of Almedia’s offerings and support our growth trajectory.This is a hands-on position where you will actively engage in coding, development, and deployment of solutions.Key Challenges You Will Tackle:Creating and optimizing user reward systems tailored to player behavior and market trends.Spearheading the development of personalized, real-time reward mechanisms.Identifying and addressing underperforming reward initiatives and their underlying issues.Your Responsibilities Include:Overseeing the complete delivery lifecycle: develop, deploy, and optimize scalable solutions and services.Providing technical guidance on ML projects, upholding best practices and ensuring high coding standards.Aligning technical capabilities with business goals to capitalize on high-value opportunities.Utilizing advanced statistical and causal inference techniques to secure robustness and reliability in solutions.Collaborating with product and engineering teams to convert business challenges into predictive, data-driven solutions.Qualifications Required:Demonstrated expertise in building, deploying, and maintaining production-level solutions and services, preferably in adtech or high-scale environments.Solid understanding of statistical analysis (A/B testing, regression, probability).Proficient in programming with Python and SQL, with practical experience in cloud technologies.Proven ability to mentor and guide ML engineers and cross-functional colleagues.Excellent communication skills and a collaborative mindset.

About the Role Join emnify as we embark on an exciting journey of growth and innovation! With ambitious goals to substantially enhance our revenue streams, optimize platform monetization, and bolster our commercial framework, we have recently integrated pricing ownership into our Commercial organization. This strategic shift highlights the critical role pricing plays in our market approach, sales proficiency, and sustainable growth. As the Pricing Principal, you will assume comprehensive responsibility for emnify’s global pricing and packaging strategy. This high-impact individual contributor position will provide you with significant visibility and influence, directly reporting to Anja Kleinschmidt, VP of Business Operations. You will be instrumental in shaping the monetization of our platform, capturing value across diverse customer segments, and ensuring that our pricing strategies foster long-term growth, profitability, and adaptability in our complex, usage-based business model. Your collaboration will extend across a senior pricing analyst and various departments including Product, Finance, Sales, and Sales Operations. Together, you will reconstruct the pricing framework from the ground up—defining the strategy, translating it into scalable execution, and integrating it into systems, processes, and go-to-market efforts. This role merges strategic insight with practical implementation, making it perfect for someone passionate about navigating the intersection of data, commercial decision-making, and cross-functional leadership. Your Role As Pricing Principal, you will spearhead emnify’s global monetization strategy for IoT connectivity and platform services. This pivotal role combines visionary strategy with hands-on execution, shaping the pricing models, tools, and processes that dictate how we price and package our IoT connectivity products. Working within a cross-functional pricing team, you will design and implement a modular pricing and packaging strategy that unlocks upsell and cross-sell opportunities while driving the development of a top-tier CPQ solution that enforces pricing guidelines, automates calculations, and enables our sales team to deliver accurate and consistent quotes at scale. By closely partnering with Sales, Product, and Finance leadership, you will make data-driven decisions that directly impact revenue growth, conversion rates, and profitability. Your Impact Define and execute emnify’s global pricing and packaging strategy ensuring product modularity and supporting growth through up-selling and cross-selling opportunities.

About StaffbaseWe empower organizations to achieve outstanding results through effective communication. Our mission is to unlock the potential of inspirational communication with the first AI-native Employee Experience Platform. Our award-winning AI-driven communication channels — intranet, employee app, and email solutions — cultivate engaging experiences that connect and empower employees.With headquarters in Chemnitz, Germany, and New York City, along with offices in Berlin, London, Sydney, Tokyo, Prague, and Minneapolis-St. Paul, our diverse team of over 750 professionals supports more than 2,000 clients, impacting over 16.4 million employees in their journey to transform employee experience. We take pride in being a Unicorn company, privately valued at over $1 billion, showcasing our remarkable growth, innovation, and enduring influence in the industry. Together, we are redefining the landscape of workplace communication.We are on the lookout for a proactive and strategic Global Tax Principal to lead our global tax function. This pivotal role is essential in ensuring that our international expansion is backed by a solid, efficient, and compliant tax framework.You will spearhead the continuous enhancement of our tax operations, managing daily compliance and overseeing transfer pricing initiatives. Collaborating closely with our finance team in Chemnitz and global stakeholders, you will ensure the organization is well-positioned for scalable growth.This role is ideal for an individual who thrives in dynamic environments, possesses a strong sense of ownership over complex cross-border issues, and is ready to challenge existing processes to optimize our tax strategies for efficiency and cost-effectiveness.What You’ll Be Doing: Lead Global Compliance & Audit ExecutionOversee the Compliance Program: Collaborate with Group Finance and external advisors to ensure timely and accurate completion of all tax filings.

At Enpal, our vision is to ensure that every rooftop harnesses solar energy, every home has energy storage, and every garage accommodates an electric vehicle. We achieve this through an integrated solution for decentralized energy, encompassing solar panels, battery storage, wall boxes, smart meters, and heat pumps. Our core offering is powered by the AI-driven platform Enpal.One+, which intelligently connects thousands of systems to optimize energy procurement and feed-in efficiently in the energy market.Are you ready to implement solutions that deliver more than just promises, enhancing the daily quality of life in thousands of households? What you create at Enpal will generate clean energy for tomorrow and sustainably change how we utilize energy.Your ResponsibilitiesYou will assume end-to-end responsibility for complex, business-critical clarification cases such as damage settlements, legal inquiries, contract adjustments, or payment modifications, assessing risks holistically and making informed business decisions with direct impact.From these cases, you will identify potential process and structural improvements, derive sustainable, scalable measures, and implement solutions that proactively address recurring themes, strengthening the company in the long term.You will collaborate closely with stakeholders from various departments and leadership levels, set strategic priorities, ensure alignment, and actively drive the achievement of relevant company KPIs.Simultaneously, you will work hands-on with different teams to operationally enhance central processes and interfaces, optimize workflows, and contribute to sustainable performance and scaling effects.You will control the operational performance of selected teams and business areas through meaningful reporting, forecasting, and planning, derive data-driven recommendations for action, and assist the organization in continuous improvement month after month.