Senior Software Engineer - Data Backend at Appier | Taipei, Taiwan

AppierTaipei, Taiwan

On-site Full-time

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Experience Level

Mid to Senior

Qualifications

Minimum Qualifications BS/MS degree in Computer Science or a related technical discipline 2+ years of hands-on experience in constructing and managing large-scale distributed systems Strong proficiency in Java and/or Scala for production-level development Demonstrated experience in building ETL pipelines and data processing workflows utilizing Apache Spark Experience in managing and optimizing data lakes or data warehouses on a large scale Ability to operate independently and adapt swiftly in fast-paced, dynamic environments Self-motivated, proactive learner who takes ownership, effectively manages multiple priorities, and excels in collaborative team settings

About the job

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

At Appier, we are pioneers in the SaaS industry, leveraging AI to provide businesses with intelligent decision-making tools. Our commitment to democratizing AI ensures that companies of all sizes can benefit from advanced technology, driving innovation and efficiency in their operations.

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Backend Development Intern at Appier

Appier

Internship|On-site|Taipei, 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…

Feb 12, 2026

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Senior Software Engineer - Backend Development

Appier

Full-time|On-site|Taipei, Taiwan

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.

Mar 18, 2026

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Senior Software Engineer - C++ Backend Development at Appier | Taipei

Appier

Full-time|On-site|Taipei, Taiwan

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.

Dec 8, 2025

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Staff Software Engineer - C++ Backend Development (Ad Cloud Bidding)

Appier

Full-time|On-site|Taipei, Taiwan

About Appier Appier is a pioneering software-as-a-service (SaaS) organization leveraging artificial intelligence (AI) to enhance business decision-making. Established in 2012 with a commitment to democratizing AI, Appier's mission is to convert AI into tangible ROI by infusing intelligence into software. With 17 offices across the Asia-Pacific, Europe, and the United States, Appier is publicly traded on the Tokyo Stock Exchange (Ticker: 4180). For further details, visit www.appier.com. About the Ad Cloud Bidding TeamThe Ad Cloud Bidding Team spearheads Appier's AI-powered advertising solutions. We craft high-throughput, low-latency systems that enhance ROAS (Return On Ad Spend) and optimize campaign ROI for clients globally. Our services efficiently allocate budgets across premium, high-intent inventories, processing billions of requests daily with millisecond precision. As part of our team, you will harness advanced C++ technologies to develop a robust and scalable infrastructure essential for our AI decision-making engines in a dynamic, data-driven environment where performance is critical. About the RoleAs a Staff Software Engineer (Ad Cloud Bidding) at Appier, you will be instrumental in designing and constructing scalable and high-performance backend architectures. You will take ownership of the technical roadmap for significant projects or services and oversee service operations to ensure reliability, availability, and efficient deployment of large-scale distributed systems. Responsibilities Design large-scale backend systems and distributed services. Contribute to technical roadmap and planning efforts. Collaborate with cross-functional teams to deliver robust, high-performance systems. Troubleshoot production issues and engage in root cause analysis. Ensure high reliability through best practices in service operation, monitoring, and deployment. Participate in on-call rotations and lead incident response as necessary.

Dec 2, 2025

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Senior Backend Engineer at Taboola | Taipei, Taiwan

Taboola

Full-time|On-site|Taipei, Taiwan

Unlock your potential with a leader in performance-driven advertising!As a Senior Backend Engineer at our Taipei Office, you will be instrumental in developing the core systems that drive content comprehension across our organization. You'll establish a robust infrastructure that empowers every team to harness the power of Generative AI. Operating with the nimbleness of a startup, you will deliver impactful, scalable solutions that directly influence our AI innovations.

Feb 25, 2026

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Intermediate Backend Software Engineer

Placements.io

Full-time|Hybrid|Taipei, Taiwan

About Us:Placements.io is a leading SaaS company dedicated to transforming the advertising landscape for digital media publishers and agencies. Our innovative platform streamlines every aspect of ad sales, operations, billing, and revenue reporting, empowering our clients to operate more efficiently and make informed decisions.With a strong global presence and a vibrant engineering culture, we have earned recognition on Inc.’s 5000 Fastest-Growing Companies list and were named one of Will Reed’s Top 100 Early-Stage Companies to Work For. Our headquarters is in Seattle, with additional offices in New York, London, Taipei, and Singapore.The Role:We are seeking an Intermediate Backend Engineer to enhance our dynamic engineering team in Taipei. In this hybrid position (three days per week in the office), you will play a critical role in the design, development, and maintenance of our cutting-edge advertising technology platform. Collaborating with a talented team, you’ll deliver high-quality, scalable solutions that meet the evolving needs of our clients.Placements.io is committed to continuous innovation in our platform, including the incorporation of AI-driven features designed to improve automation, predictive insights, and reporting capabilities. If you are passionate about backend development and eager to contribute to the future of AdTech—especially in areas such as AI-driven automation and robust external integrations—this opportunity is perfect for you.Technology Stack:Our technology stack includes:Ruby on RailsPostgresSQLElastic SearchThe Engineering team tackles a diverse range of challenges, from big data and system scalability to enhancing user experience. You will have the opportunity to work across the stack or specialize deeply in backend systems and integrations.

Jun 18, 2025

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Backend Java Engineer (Web3) - Binance Wallet

Binance

Full-time|On-site|Taiwan, Taipei

Join Binance, the world's premier blockchain ecosystem that powers the largest cryptocurrency exchange by trading volume and user base. With a trusted community of over 300 million users across more than 100 countries, we are at the forefront of innovation in security, transparency, trading speed, liquidity, and an extensive portfolio of digital asset solutions. Our offerings encompass trading, finance, education, research, payments, institutional services, and Web3 capabilities, all geared towards creating a more inclusive financial ecosystem that champions the freedom of money and enhances financial accessibility globally.The Binance Wallet team is on a mission to develop a decentralized version of Binance, integrating robust on-chain infrastructure, self-custody wallets, a decentralized exchange (DEX), and innovative earning solutions. We empower users with absolute control over their assets, facilitating seamless token trading across various blockchains. This Web3 initiative not only broadens our strategic horizons but also complements our centralized exchange (CEX) business, presenting substantial growth opportunities. Become a part of this dynamic journey with us!

Oct 17, 2022

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Senior Backend Software Engineer at Appier | Taipei, Taiwan

Appier

Full-time|On-site|Taipei, Taiwan

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.

Aug 12, 2025

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Senior Backend Software Engineer - Playable Ads

Appier

Full-time|On-site|Taipei, Taiwan; Tokyo, Japan

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.

Dec 26, 2025

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Senior Backend Engineer at Stellar Cyber | Remote

Stellar Cyber

Full-time|TWD 1.5M/yr - TWD 2.5M/yr|Remote|Remote — Taipei, Taipei City, Taiwan

Become a key player at Stellar Cyber, a rapidly expanding global leader in the cybersecurity sector, trusted by some of the most renowned names in the industry. With nearly 30% of the world's leading Managed Security Service Providers (MSSPs) leveraging our innovative platform, we are at the forefront of combating sophisticated cyber threats through advanced AI and automation technologies.We pride ourselves on offering a competitive compensation package that rivals industry giants like Google and Microsoft, rewarding our team for their expertise and commitment. Enjoy the flexibility of fully remote work from anywhere in Taiwan or Japan, as we embrace a culture of transparency, openness, and collaboration. Our team thrives on feedback, promoting innovation and creativity that makes a significant impact in the cybersecurity landscape.Position Overview:As a Senior Backend Engineer, you will design, architect, and implement scalable, secure, and maintainable API integration frameworks supporting various protocols including RESTful API, GraphQL, and Stream API. You will play a vital role in our no-code security automation initiatives, collaborating with internal teams to gather requirements, ensure seamless integration, and troubleshoot complex API challenges while driving best practices within our CI/CD pipeline.

Dec 11, 2025

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Senior Backend Software Engineer at Appier | Taipei, Taiwan

Appier

Full-time|On-site|Taipei, Taiwan

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.

Jun 16, 2025

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Senior Backend Software Engineer - Ad Cloud Serving Services

Appier

Full-time|On-site|Taipei, Taiwan

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.

Jan 13, 2026

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Senior Staff Backend Engineer - Remote Opportunity

Stellar Cyber

Full-time|TWD 2.3M/yr - TWD 3.4M/yr|Remote|Remote — Taipei, Taipei City, Taiwan

Become an integral part of a rapidly expanding global leader in cybersecurity, highly regarded by renowned enterprises and government entities alike. Currently, nearly 30% of the world’s premier Managed Security Service Providers (MSSPs) trust our innovative platform, and this figure is rising daily as more organizations acknowledge the importance of next-generation security solutions. We are at the cutting edge of safeguarding businesses from advanced cyber threats through state-of-the-art AI and automation technologies.We provide a competitive compensation package comparable to industry giants like Google and Microsoft, ensuring our team is rewarded for their skills and commitment. Our fully remote work environment grants the flexibility to operate from any location within Taiwan or Japan. We pride ourselves on a culture of transparency and openness, devoid of rigid hierarchies. We foster a feedback-driven atmosphere that promotes open dialogue and innovation at every level. Our diverse and collaborative culture nurtures creativity and ingenuity, driving significant market impact.Position Overview:As a Senior Staff Backend Engineer, you will design, architect, and implement scalable, secure, and maintainable API integration frameworks to support various protocols, including RESTful API, GraphQL, and Stream API. You will play a key role in Stellar Cyber's no-code security automation initiatives, integrating APIs within a no-code workflow framework. Collaborate with internal teams to gather requirements, ensure seamless integration, and troubleshoot complex API challenges. Drive best practices and maintain continuous integration and testing within the CI/CD pipeline.

Feb 24, 2026

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Backend Manufacturing Engineer - Sustaining

Solidigm

Full-time|On-site|Hsinchu

As a Backend Manufacturing Engineer focused on sustaining processes, you will play a pivotal role in enhancing our production capabilities. Your responsibilities will include:Engaging early with New Product Introduction (NPI) development teams to impact Design for Manufacturing (DFM) and Design for Assembly (DFA) strategies, while implementing newly developed High Volume Manufacturing (HVM) recipes.Collaborating with NPI engineers to devise innovative SSD rework techniques, and co-owning the characterization of manufacturing recipes with NPI teams. You will define Critical-to-Function (CTF) process parameters, monitor NPI execution, and qualify rework procedures.Taking ownership of new site or production line start-up and certification based on capacity demands, including process and equipment qualifications, and reviewing engineering whitepapers.Driving continuous improvements in production yield, product quality, and process stability while leading cost reduction initiatives through lean projects. You will manage HVM standards and oversee process change control, ensuring comprehensive engineering data review and qualification coverage supports all change requests.Managing manufacturing excursions by chairing the Material Review Board (MRB), leveraging technical risk assessments and failure analysis data to identify root causes and implement systematic corrective actions and risk mitigation plans.

Jan 12, 2026

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Backend Java Engineer (Web3/Blockchain Background Preferred)

Binance

Full-time|Remote|Taiwan, Taipei

Join Binance, a global leader in the blockchain ecosystem, as a Senior Backend Java Engineer. We are seeking a talented individual with a strong background in Java development and a passion for Web3 and blockchain technology. In this role, you will be instrumental in developing and enhancing our backend systems, ensuring optimal performance and reliability. You will collaborate with cross-functional teams to deliver innovative solutions that empower our users and contribute to the advancement of our digital financial ecosystem.

Jan 26, 2024

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Staff Backend Engineer at Stellar Cyber | Remote

Stellar Cyber

Full-time|TWD 2M/yr - TWD 3M/yr|Remote|Remote — Taipei, Taipei City, Taiwan

Become a vital part of a rapidly expanding global leader in the cybersecurity domain, endorsed by some of the most prominent names in the industry. Our platform is trusted by numerous enterprises and government bodies, with nearly 30% of the world’s leading Managed Security Service Providers (MSSPs) leveraging our cutting-edge solutions. As we continue to grow, more organizations are recognizing the importance of our next-generation security offerings. We are at the forefront of safeguarding businesses against advanced cyber threats through innovative AI and automation technologies.We provide a highly attractive compensation package that rivals industry giants like Google and Microsoft, ensuring our team members are rewarded for their skills and commitment. Our fully remote work model allows you to operate from anywhere in Taiwan or Japan. We cultivate a culture of transparency and openness, free from rigid hierarchies. With an emphasis on feedback, we encourage open communication and innovation at all levels. Our work environment is characterized by diversity, collaboration, and creativity, driving significant market impact.Position Overview: As a Staff Backend Engineer, you will design, architect, and implement scalable, secure, and maintainable API integration frameworks that support various protocols, including RESTful API, GraphQL, and Stream API. You will contribute to Stellar Cyber's no-code security automation initiatives, integrating APIs within a no-code workflow framework. Collaborating closely with internal teams, you will gather requirements, ensure seamless integration, and resolve complex API challenges. You'll also drive best practices and maintain continuous integration and testing within our CI/CD pipeline.

Feb 24, 2026

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

Appier

Full-time|On-site|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, Europe, and the U.S., we are publicly traded on the Tokyo Stock Exchange (Ticker: 4180). For more details, visit www.appier.com. About the Role As a Software Engineer specializing in Data Backend, you will play a pivotal role in developing critical components of our AI-driven platform. Our solutions utilize proprietary deep learning and machine learning technologies, empowering businesses to transform data into actionable insights and informed decisions. Key Responsibilities Design, develop, and maintain RESTful APIs using Python. Build and manage robust data warehouses utilizing ClickHouse, Trino/Presto, and Pinot. Design and develop data pipelines employing Apache Airflow and Apache Spark. Collaborate with cross-functional teams to create automation tools that enhance operational efficiency. Implement advanced monitoring and alerting systems to ensure optimal performance and system stability. Address application queries promptly to ensure high client satisfaction. Utilize cloud platforms such as AWS and GCP to optimize data operations. Leverage Kubernetes (k8s) for efficient deployment and scaling of applications through container orchestration. About You [Minimum Qualifications] Bachelor's or Master's degree in Computer Science. 2+ years of experience in building and operating large-scale distributed systems or applications. Proficient in Kubernetes development and Linux/Unix environments. Experienced in managing data lakes or data warehouses. Strong expertise in developing data structures and algorithms on Big Data platforms. Ability to operate effectively and independently in a dynamic environment. Capability to manage multiple tasks and projects in a fast-paced team setting. Motivated self-learner eager to make a significant impact in the tech landscape. [Preferred Qualifications] Experience with cloud-native technologies. Familiarity with advanced database systems and architectures.

Jul 21, 2025

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Senior Software Engineer - Data Backend at Appier | Taipei

Appier

Full-time|On-site|Taipei, Taiwan

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.

Jul 21, 2025

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Senior Software Engineer - Data Backend at Appier | Taipei, Taiwan

Appier

Full-time|On-site|Taipei, Taiwan

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.

Feb 23, 2026

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Senior Full Stack Java Software Engineer

NETGEAR, Inc.

Full-time|On-site|Taipei, Taiwan

Job Title: Senior Full Stack Software EngineerLocation: Taipei, TaiwanRole Overview:As a Senior Full Stack Software Engineer at NETGEAR, you will be at the forefront of designing, developing, and maintaining scalable, high-performance applications and backend services. Your expertise in Java technologies and cloud infrastructure will be crucial in driving architectural decisions and collaborating with cross-functional teams to create robust systems that align with both business and technical requirements. We are looking for a candidate who embodies technical excellence, possesses strong problem-solving skills, and demonstrates leadership capabilities to make significant contributions to high-impact projects.Key Responsibilities:1. Backend Development and Maintenance:• Design and maintain server-side components, APIs, and microservices utilizing Java and frameworks such as Spring Boot or Jakarta EE.• Develop RESTful APIs that prioritize performance and security.• Manage complex data transformation pipelines and middleware logic.• Oversee API versioning, backward compatibility, and documentation using tools like Swagger and Postman.• Write clean, maintainable, and well-documented code.2. Architecture and Design:• Create scalable, distributed, and fault-tolerant architectures.• Conduct system design and reviews to ensure alignment with business goals.• Apply design patterns like Domain-Driven Design (DDD) and Event-Driven Architecture.3. Database Management:• Design normalized relational schemas for databases such as PostgreSQL and MySQL.• Optimize database queries for performance using profiling tools.• Implement NoSQL solutions for flexible data storage.• Develop data pipelines and ETL processes for real-time data ingestion.4. Performance Optimization:• Identify and resolve performance bottlenecks in backend systems.• Implement caching solutions using Redis or similar technologies.• Utilize performance analysis tools to enhance application performance.5. Security and Compliance:• Implement secure authentication and authorization mechanisms (OAuth2, JWT).• Ensure backend systems are protected against vulnerabilities (OWASP Top 10).• Conduct regular security reviews and address identified vulnerabilities.6. Testing and Quality Assurance:• Write unit tests, integration tests, and end-to-end tests using JUnit and Mockito.• Collaborate with QA engineers to ensure product quality.

Nov 24, 2025

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