Software Engineer - Data Backend (Ad Cloud) at Appier | Taipei, Taiwan

About Appier Appier is a leading software-as-a-service (SaaS) company leveraging artificial intelligence (AI) to transform business decision-making. Established in 2012, our vision is to democratize AI, enabling businesses to convert AI into tangible returns on investment (ROI) through intelligent software solutions. With 17 offices across the APAC region, E…

About Appier Appier is a leading software-as-a-service (SaaS) company that harnesses the power of artificial intelligence (AI) to transform business decision-making. Established in 2012, our vision is to democratize AI, and our mission is to convert AI capabilities into tangible ROI by enhancing software intelligence. With 17 offices strategically located across the APAC region, Europe, and the United States, we are proudly listed on the Tokyo Stock Exchange (Ticker: 4180). For further details, visit www.appier.com. About the Role We are seeking a seasoned Data Engineer to spearhead the development and scalability of our data infrastructure. You will engage with mission-critical systems that drive our data-centric decision-making processes, designing resilient pipelines and optimizing distributed platforms for handling extensive datasets.

About Appier Appier is a leading software-as-a-service (SaaS) provider that harnesses the power of artificial intelligence (AI) to enhance business decision-making. Established in 2012 with a mission to democratize AI, Appier aims to transform AI into measurable ROI by developing intelligent software solutions. With 17 offices across Asia-Pacific, Europe, and the United States, Appier is publicly traded on the Tokyo Stock Exchange (Ticker number: 4180). For more details, visit www.appier.com. About the Role As a Senior Backend Software Engineer on the Ad Cloud Platform Team, you will play a pivotal role in designing and constructing scalable and high-performing backend architectures. You will take ownership of the technical roadmap for significant projects, mentor junior engineers, and lead high-performance agile teams in collaboration with cross-functional stakeholders.

About Appier Founded in 2012, Appier is a leading software-as-a-service (SaaS) company dedicated to leveraging artificial intelligence (AI) to enhance business decision-making processes. Our mission is to democratize AI, transforming it into tangible returns on investment for our clients through intelligent software solutions. With 17 offices spanning across the Asia-Pacific, Europe, and the United States, we are publicly traded on the Tokyo Stock Exchange (Ticker: 4180). Discover more about us at www.appier.com. About the Role As a Senior Software Engineer specializing in Data Backend, you will play a pivotal role in developing critical components that power our advanced solutions, which utilize proprietary deep learning and machine learning technologies. Your expertise will help businesses transform data into actionable insights and informed decisions. Key Responsibilities Architect, develop, and maintain robust RESTful APIs using Python. Design and manage comprehensive data warehouses utilizing ClickHouse, Trino/Presto, and Pinot. Build and optimize data pipelines using Apache Airflow and Apache Spark. Collaborate with cross-functional teams to create automation tools that enhance operational efficiency. Implement cutting-edge monitoring and alerting systems to ensure system performance and stability. Respond to application queries promptly and effectively, ensuring client satisfaction. Leverage cloud platforms like AWS and GCP for data operation optimization. Utilize Kubernetes (k8s) for efficient container orchestration and application deployment. About You [Minimum Qualifications] Bachelor's or Master's degree in Computer Science or a related field. 5+ years of experience in developing and managing large-scale distributed systems or applications. Proficient in Kubernetes development and experienced with Linux/Unix environments. Experience in managing data lakes or data warehouses. Strong understanding of data structures and algorithms on Big Data platforms. Ability to operate effectively and autonomously in a dynamic environment. Adept at multitasking and thriving in a fast-paced team setting. Passionate about leveraging technology to make a significant impact and a self-driven learner. [Preferred Qualifications] Experience working with ClickHouse and related data technologies.

About Appier Appier is a leading software-as-a-service (SaaS) firm leveraging artificial intelligence (AI) to enhance business decision-making. Established in 2012 with the goal of democratizing AI, Appier’s mission focuses on converting AI capabilities into tangible returns on investment by making software more intelligent. With 17 offices across the Asia-Pacific, Europe, and the United States, Appier is publicly traded on the Tokyo Stock Exchange (Ticker number: 4180). Learn more at www.appier.com. About the Ad Cloud Serving Services Team The Ad Cloud Serving Services Team at Appier is responsible for developing and maintaining vital systems that form the backbone of our advertising technology. Our systems manage extensive, high-concurrency, real-time requests, ensuring stability, low latency, and high performance in ad delivery. Our Site Reliability Engineering (SRE) experts play a crucial role in maintaining the reliability of these services under heavy loads, continuously improving product availability and performance through innovation and automation. Key Responsibilities Lead the design and development of scalable, high-performance backend services focused on real-time ad recommendations, data serving, and core ad tech infrastructure. Drive the technical roadmap and ownership for significant projects, ensuring the delivery of robust and efficient solutions within the Ad Cloud ecosystem. Optimize essential system components for latency, throughput, and resource utilization, including interactions with databases (e.g., MongoDB sharding, ClickHouse optimizations) and network architecture. Enhance system observability, incident management, and operational excellence by implementing comprehensive monitoring and alerting solutions (e.g., Grafana, Prometheus), and refining production standard operating procedures. Collaborate closely with product managers and other stakeholders to align development efforts with business goals.

About AppierAppier is a forward-thinking technology company dedicated to delivering innovative artificial intelligence platforms that empower enterprises to tackle their most pressing business challenges. Founded in 2012 by a talented team of computer scientists and engineers, Appier specializes in AI, multi-agent systems, data analysis, distributed systems, and marketing.About The Product Marketing TeamThe product marketing team at Appier is part of the Growth and Marketing organization, collaborating closely with product, sales, and customer success teams to enhance product awareness and drive adoption.About This RoleAs a Product Marketing Associate, you will be instrumental in shaping and executing the go-to-market strategy for our Enterprise Solutions across diverse markets such as Japan, South Korea, Taiwan, Hong Kong, and Southeast Asia. You will ensure the ongoing growth and adoption of our advanced AI-powered solutions. Your role will involve storytelling for Appier, effectively communicating the value of data and personalization through various internal and external channels. You will take ownership of the vertical go-to-market strategy, develop competitor playbooks, provide comprehensive global training, and represent the company publicly.

About Appier Appier is a cutting-edge software-as-a-service (SaaS) company focused on leveraging artificial intelligence (AI) to enhance business decision-making. Established in 2012, our vision is to democratize AI and transform it into measurable ROI through intelligent software solutions. With 17 offices across APAC, Europe, and the U.S., and publicly listed on the Tokyo Stock Exchange (Ticker number: 4180), Appier is at the forefront of the AI revolution. Visit www.appier.com to learn more. About the Role We are looking for an experienced Senior Backend Developer to join our Playable Ads team (https://www.appier.com/en/blog/what-is-playable-ads). You will bring in-depth knowledge of distributed systems and modern backend architecture to design and build scalable, high-performance backend services. Your role will involve maintaining clean, maintainable code and closely collaborating with cross-functional teams to achieve project goals. This position requires a robust understanding of microservices, messaging systems, data persistence layers, and system performance optimization.

About Appier Appier is a leading software-as-a-service (SaaS) firm harnessing the power of artificial intelligence (AI) to enhance business decision-making. Established in 2012, our goal is to democratize AI, turning it into tangible returns on investment (ROI) by infusing intelligence into our software solutions. With a presence in 17 offices across Asia-Pacific, Europe, and the United States, we are listed on the Tokyo Stock Exchange (Ticker number: 4180). Explore more at www.appier.com. About the Role As a Senior Frontend Development Engineer at Appier, you will play a pivotal role in crafting advanced web user interfaces and advertising content. Utilizing cutting-edge front-end development technologies and tools, you will collaborate closely with designers and backend engineers to develop high-quality, seamless, and sophisticated web applications specifically tailored for the advertising sector, while also supporting the daily operational needs within Appier. [Seniority/title is based on job-relevant skills, experience, and interview evaluation.] Responsibilities Design and create reusable advertising UI components (e.g., banners, video ads) and associated systems utilizing modern JavaScript frameworks and AI-enhanced tools. Develop and maintain a modular JavaScript library or SDK to ensure scalable, consistent, and easily integrated ad rendering and tracking. Optimize ad content performance through effective loading strategies and responsive design practices. Forge integrations with external SSP platforms, ensuring compliance with industry technical standards. Implement and manage analytics tools to track user interactions and ad effectiveness, providing actionable insights. Engage in brainstorming sessions, offering innovative technical solutions across UI/UX, algorithms, and product development. Leverage AI-driven development tools (e.g., GitHub Copilot, Tabnine, Cursor) to boost coding efficiency and uphold code quality. About You [Minimum Qualifications] Strong expertise in HTML, CSS, JavaScript, TypeScript, DOM, HTTP, and web standards. Proficient in modern front-end frameworks such as React, Vue, or Svelte. Experience with integrating REST APIs and GraphQL. Familiarity with bundlers like Vite, Webpack, esbuild, and Rollup. Knowledge of Git for version control. Proven experience in ensuring cross-browser compatibility. Commitment to coding conventions, syntax standards, and comprehensive documentation.

About Appier Appier is a pioneering software-as-a-service (SaaS) company that harnesses the power of artificial intelligence (AI) to enhance business decision-making processes. Established in 2012 with the mission to democratize AI, Appier is dedicated to transforming AI into tangible ROI by creating intelligent software solutions. With 17 offices across the APAC region, Europe, and the U.S., Appier is publicly traded on the Tokyo Stock Exchange (Ticker number: 4180). For more details, visit www.appier.com. About the Ad Cloud Bidding TeamThe Ad Cloud Bidding Team leads the charge in delivering AI-driven advertising solutions. Our focus is on developing high-throughput, low-latency systems that optimize Return On Ad Spend (ROAS) and maximize client campaign ROI globally. We adeptly manage budget allocations across premium, high-intent inventories, processing billions of requests each day with millisecond accuracy. As a Senior Software Engineer, you will leverage advanced C++ technologies to construct a robust and scalable infrastructure that underpins our AI decision-making engines in a dynamic, data-centric setting where performance is critical. About the RoleAs a Senior Backend Engineer with a dedicated focus on service operations, you will play a key role in maintaining and optimizing our large-scale distributed systems. Your expertise will ensure our backend services operate reliably and efficiently through automation, monitoring, and effective incident management. Responsibilities Oversee system deployment, configuration, and release pipelines. Design and manage automated deployment pipelines to facilitate seamless and dependable releases. Implement monitoring, alerting, and disaster recovery strategies. Diagnose production incidents and execute root cause analysis. Participate in on-call rotations and lead incident response efforts when necessary. Continuously assess and integrate new tools or technologies to enhance operational workflows.

About Appier Appier is an innovative software-as-a-service (SaaS) company that leverages artificial intelligence (AI) to enhance business decision-making. Established in 2012 with a mission to democratize AI, Appier is dedicated to transforming AI into tangible returns on investment by creating intelligent software solutions. With 17 offices across the Asia-Pacific, Europe, and the United States, and listed on the Tokyo Stock Exchange (Ticker number: 4180), Appier is a leader in its field. For more insights, visit www.appier.com. About the Role As a Senior DevOps Engineer, you will join our dynamic product teams focused on developing large-scale distributed systems aimed at delivering high-quality services. You will be instrumental in designing and implementing tools for product development, managing service operations, and ensuring deployments meet high scalability standards. The position's seniority and title will be based on job-related skills, experience, and interview evaluations. We encourage international candidates to apply, and this role is ideally situated in Taiwan.

About Appier Appier is a pioneering software-as-a-service (SaaS) company that leverages artificial intelligence (AI) to revolutionize business decision-making. Established in 2012 with a goal of democratizing AI, Appier's mission is to transform AI into tangible returns on investment by creating intelligent software solutions. With 17 offices across the Asia-Pacific, Europe, and the United States, Appier is publicly traded on the Tokyo Stock Exchange (Ticker number: 4180). For more information, visit www.appier.com. About the Role As a Backend Development Intern at Appier, you will engage in a diverse array of software projects that drive innovation in solutions, enhance product development workflows, and contribute directly to Appier's product offerings. We are seeking dedicated individuals who can commit to an internship schedule of 2-4 days (16-32 hours) per week, for a minimum duration of 6 months starting from the current date. Prospective applicants are encouraged to evaluate their availability before applying. There is a potential opportunity for interns to transition to full-time positions after the internship concludes. [Please note that due to our hybrid work model, this position requires on-site work in our Taiwan office and cannot be fully remote.] Responsibilities Develop and maintain scalable, reliable, and efficient service-based software and its components. Enhance the scalability and observability of existing systems. Propose and prototype solutions to streamline software development and monitoring processes. Conduct profiling and performance tuning of critical software components. Improve system quality through test automation and related tooling. Contribute to brainstorming sessions, offering innovative ideas related to technology, algorithms, and product development.

About Appier Appier is a cutting-edge software-as-a-service (SaaS) firm leveraging artificial intelligence (AI) to enhance business decision-making. Established in 2012 with the goal of democratizing AI, our mission is to convert AI into tangible ROI by crafting intelligent software solutions. With 17 offices spanning across APAC, Europe, and the U.S., Appier is proudly listed on the Tokyo Stock Exchange (Ticker number: 4180). For more details, visit www.appier.com. About the Role We are on the lookout for a Senior Software Engineer specializing in Machine Learning to join our Enterprise Solution Science Team. This dynamic team is dedicated to applying advanced ML technologies to real-world marketing challenges by integrating them with comprehensive omnichannel customer data. In this role, you will play a crucial part in bridging the divide between research and production by developing and refining scalable, high-performance ML infrastructure, including data pipelines, dashboards, and monitoring systems. Your Responsibilities Design and manage robust ML job execution frameworks for training, inference, and post-processing. Develop and sustain internal API servers and developer tools to coordinate ML jobs on Kubernetes (using Argo Workflows, Helm, Terraform). Architect, implement, and scale batch (Spark) pipelines for ML training and evaluation. Design and oversee data infrastructure using PostgreSQL and other databases. Guarantee high availability and observability through monitoring tools such as Prometheus and Grafana. Create internal tools and services to streamline ML experimentation and production workflows. Collaborate closely with ML scientists to translate research outputs into user-friendly product features. Work in partnership with engineers, project managers, and other cross-functional teams to deliver superior AI products. Qualifications We Seek (Minimum Requirements) Bachelor’s degree in Computer Science, Engineering, or a related field (Master’s degree preferred). 3+ years of hands-on experience in ML platform engineering, MLOps, or data infrastructure, including deploying enterprise-level ML systems (model serving, pipeline automation), integrating data sources, and building dashboards. Proficiency in at least one programming language such as Python, Java, or Scala.

About Appier Appier is a pioneering software-as-a-service (SaaS) organization that leverages the power of artificial intelligence (AI) to enhance business decision-making. Established in 2012 with a mission to democratize AI, Appier strives to transform AI into tangible returns on investment by developing intelligent software solutions. With 17 offices spread across APAC, Europe, and the United States, Appier is publicly traded on the Tokyo Stock Exchange (Ticker number: 4180). For further details, visit www.appier.com. About the Role As a Senior Backend Software Engineer at Appier, you will play a pivotal role in developing a variety of platforms and services that integrate data and AI for our clients and users. Your responsibilities will include architecting scalable and high-performance backend systems, leading the technical roadmap for significant projects, mentoring junior engineers, and fostering collaboration within high-performing agile teams across various functions.

About the Role We are looking for an enthusiastic Data Analyst Intern to join our innovative product R&D team in Taiwan. In this role, you will engage in data analysis to assist Appier teams in addressing critical business and operational inquiries. We value candidates who can dedicate 2-3 days a week and are prepared for a minimum internship duration of 6 months, starting immediately. Please confirm your availability before applying. Responsibilities Analyze complex data sets to identify trends and patterns using statistical and visualization tools. Prepare data analysis reports showcasing insights and results. Collaborate with scientists and engineers to monitor and troubleshoot systems effectively. Develop tools and systems that enhance the efficiency of analysis processes and the quality of reports. About You [Minimum Qualifications] Currently enrolled senior students or graduate students in a relevant field. Strong analytical skills to derive valuable insights from data. Ability to communicate data analysis findings to diverse audiences. Proficient in both written and spoken English. Knowledge of statistics and experience with SQL for data extraction and aggregation, as well as proficiency in Spreadsheet/Excel. Familiarity with machine learning concepts and basic experience using machine learning tools. Proficient in Python programming for simple automation tasks. [Preferred Qualifications] Experience in the digital advertising industry. Hands-on experience with analytical/visualization tools such as SQL, R, and Tableau. Advanced Python programming skills for complex analyses. Experience in writing Spark programs for data analysis.

About Appier Appier stands as a premier SaaS company dedicated to empowering organizations with innovative artificial intelligence (AI) solutions that enhance decision-making processes. Established in 2012, our mission is to democratize AI by transforming intricate data into actionable insights, ensuring AI is both accessible and profitable for businesses. With 17 offices spread across APAC, Europe, and the U.S., and publicly traded on the Tokyo Stock Exchange (Ticker: 4180), Appier continues to lead the charge in AI advancements. For more details, please visit www.appier.com. About the Role We are seeking a driven and technically proficient Senior Software Engineer, Machine Learning to become a part of our esteemed Enterprise Solution Engineering Team, AIXON. This specialized team utilizes advanced ML technologies to tackle real-world marketing challenges through the integration of omnichannel customer data on a large scale. In this position, you will serve as a crucial link between innovative research and production-level deployment. Your responsibilities will include designing, constructing, and enhancing scalable, high-performance ML infrastructure, which encompasses data pipelines, APIs, monitoring systems, and workflow orchestration, thereby powering groundbreaking AI solutions.

About Appier Appier is an innovative technology firm that specializes in AI-driven platforms designed to help enterprises tackle intricate business challenges. Established in 2012 by a dedicated team of computer scientists and engineers, Appier provides three primary cloud solutions: Advertising Cloud, Personalization Cloud, and Data Cloud. About the Business Enablement Team The Business Enablement team is an integral part of the Growth and Marketing organization, working collaboratively with Product, Sales, and Customer Success teams to foster business growth. Position Overview As the Assistant Manager of Business Enablement, you will play a crucial role in developing and implementing strategies aimed at business enablement, with a strong emphasis on go-to-market initiatives, sales training, and knowledge sharing about our products. This position requires close cooperation with cross-functional teams to grasp Appier's offerings, identify target audiences, and develop buyer personas. Your contributions will empower our sales team to articulate a consistent and persuasive narrative to our clients, underscoring the value of our products for digital marketers. Key Responsibilities Support Strategy Development: Assist in crafting and executing business enablement strategies that align with organizational goals. Process Optimization: Discover opportunities to enhance business processes, boosting efficiency and productivity. Cross-Functional Collaboration: Collaborate with Sales, Marketing, and Operations to deploy enablement initiatives seamlessly. Training & Development: Organize training programs to equip teams with essential skills and knowledge. Performance Monitoring: Monitor and analyze key performance indicators (KPIs) to assess the effectiveness of enablement activities and suggest improvements. Resource Management: Support the management of business enablement tools and resources, ensuring they are up-to-date and utilized effectively.

About Appier Appier is a cutting-edge software-as-a-service (SaaS) organization that harnesses the power of artificial intelligence (AI) to enhance business decision-making. Established in 2012 with the goal of democratizing AI, Appier is dedicated to transforming AI into tangible returns on investment by developing intelligent software solutions. With 17 offices spread across Asia-Pacific, Europe, and the United States, Appier is publicly traded on the Tokyo Stock Exchange (Ticker number: 4180). Discover more about us at www.appier.com. About the Role The Campaign Analyst will serve as a Strategic Pilot of AI, focusing on converting AI insights into actionable ROI. Responsibilities Oversee and implement advertising campaigns utilizing Appier's proprietary AI platform and products. Design and manage multinational advertising initiatives, creating tailored advertising strategies. Evaluate data and campaign outcomes, set up automated optimization processes, conduct experiments, and ensure the precise and rapid achievement of client KPIs. Collaborate with sales managers, account managers, product managers, and data analysts on various optimization-related projects. Refine and enhance the effectiveness of AI models, boosting overall system performance. Provide historical data and performance forecasts for the business development team, assisting in onboarding new clients. Who You Are: AI & Tech Enthusiast: A tech-savvy individual who eagerly adopts new AI tools to enhance productivity and efficiency. Detail-Oriented: Committed to flawless campaign execution, with a keen eye for spotting anomalies, data discrepancies, and valuable insights. Hands-On & Proactive: A problem-solver with a strong “can-do” attitude, actively seeking solutions with a hands-on approach. Cool Under Pressure: Maintains composure in a fast-paced environment, delivering results efficiently during busy periods. Proactive Problem Solver: Capable of critical thinking and employing systematic problem-solving strategies to drive success. Data-Driven Mindset: Quickly adapts to new tools and methodologies, applying a quantitative approach to analysis.

About Appier Appier is a cutting-edge software-as-a-service (SaaS) company leveraging artificial intelligence (AI) to enhance business decision-making. Established in 2012 with the ambition of democratizing AI, our mission is to transform AI into tangible returns on investment (ROI) by creating intelligent software solutions. With 17 offices spanning across APAC, Europe, and the U.S., we are proud to be listed on the Tokyo Stock Exchange (Ticker number: 4180). For more details, please visit www.appier.com. Role Overview We are seeking an experienced Senior Machine Learning Scientist specializing in LLM to join our dynamic Enterprise Solution Science Team. This team is dedicated to employing advanced ML technologies to address real-world marketing challenges by integrating them with comprehensive omnichannel customer data. In this pivotal role, you will oversee the complete development lifecycle, from defining problems to implementing models in production. Key Responsibilities Engage with various LLM-related projects such as agents, chatbots, copilots, and retrieval-augmented generation (RAG) systems. Collaborate with product teams to translate business objectives into clearly defined ML challenges during the planning phase. Partner with ML engineers to ensure seamless deployment of models into production, with a focus on reliability and maintainability. Conduct thorough offline and online evaluations, continuous monitoring, and optimization of models post-deployment. Stay informed about the latest research developments and proactively suggest innovative ML applications. (Optional) Mentor junior scientists and contribute to the development of the team's culture and standards. Qualifications (Minimum) Master’s or PhD degree in Computer Science, Machine Learning, Mathematics, Electrical Engineering, or related discipline. 3+ years of experience in machine learning or engineering roles. Proven track record in building and deploying enterprise-grade LLM applications (e.g., intelligent agents). Familiarity with LLM evaluation methodologies, including hallucination detection and confidence scoring, emphasizing quantitative metrics and systematic benchmarking. Hands-on experience with complex reasoning, modular workflows (e.g., multi-component prompting, agent orchestration), and RAG pipelines. Demonstrated experience in cross-functional collaboration and leading industry-specific projects. A strong sense of impact, coupled with excellent analytical and problem-solving skills.

About Appier Appier is a pioneering software-as-a-service (SaaS) company that leverages artificial intelligence (AI) to enhance business decision-making. Established in 2012, our vision is to democratize AI and transform it into measurable return on investment (ROI) by creating intelligent software solutions. With 17 offices spanning APAC, Europe, and the U.S., Appier is listed on the Tokyo Stock Exchange (Ticker number: 4180). For further insights, visit www.appier.com. About the Role As a Machine Learning Scientist at Appier, you will play a crucial role in advancing our research initiatives, focusing on real-world applications of our products. Key Responsibilities Employ machine learning and analytical techniques to create predictive models for advertising and enterprise solutions. Analyze and extract actionable insights from extensive business data sets. Design, develop, and validate advanced models to predict consumer behavior. Collaborate with software engineering teams to implement real-time models and develop new features. Create efficient, scalable, and automated processes for large-scale data analysis, model development, validation, and implementation. Research and evaluate innovative machine learning and statistical models. About You Minimum Qualifications: Master's or Ph.D. in Computer Science, Machine Learning, Mathematics, or Statistics with knowledge of probabilistic models. Strong experience in system design and programming, capable of working with big data with minimal engineering support. 3+ years of experience in data mining, algorithms, statistical analysis, computational NLP, and/or machine learning. Proven track record of solving complex challenges in academia and industry. Extensive publication portfolio. Self-motivated with the ability to prioritize multiple competing tasks in a rapidly growing environment. Possess meta-cognitive skills and a commitment to continuous learning. Ability to think and communicate with clarity and precision. Preferred Qualifications: Exceptional presentation skills to convey product ideas to both technical and non-technical audiences. #LI-AK1

Join Appier as a Senior Software Engineer specializing in backend development. In this role, you will be instrumental in designing and building scalable backend systems that will power our innovative products. You will collaborate with cross-functional teams to deliver high-quality software solutions, ensuring optimal performance and reliability.