--- title: 'Senior Software Engineer, Backend Development at Appier' canonical: 'https://feeny.ai/job/senior-software-engineer-backend-development-appier-taipei-k1x9q6x4e99c' type: 'job' last_seen: '2026-11-09' --- # Senior Software Engineer, Backend Development at Appier - **Company:** Appier - **Location:** Taipei, Taiwan - **Posted:** 2023-02-15 - **Last confirmed live:** 2026-11-09 - **Apply:** https://job-boards.greenhouse.io/appier/jobs/4869920 ## Job description ## About Appier Appier (TSE: 4180) is an AI-native Agentic AI as a Service (AaaS) company that empowers businesses to create value through cutting-edge AdTech and MarTech solutions. Founded in 2012 with the vision of “Making AI Easy by Making Software Intelligent,” Appier helps businesses turn AI into ROI through its Ad Cloud, Personalization Cloud, and Data Cloud—each powered by Agentic AI that enables autonomous, adaptive, and real-time decision-making. Today, Appier operates 17 offices across APAC, the US, and EMEA, and is listed on the Tokyo Stock Exchange. Learn more at[www.appier.com](http://www.appier.com/). ## About the role Software engineers at Appier build a wide range of platforms and services that interconnect data and AI with our customers and users. As a Senior Software Engineer, Backend Development, you will design and build scalable and performant backend architecture, own and drive the technical roadmap for sizable projects or services, mentor junior engineers, and facilitate high performance agile teams collaborating with cross-functional teams. ## Responsibilities - Key owner of sizable engineering projects and services - Lead system designs and provide technical guidance to team members. - Mentor engineers in cross-team development processes. - Lead code reviews to ensure high quality coding standards - Facilitate agile process collaborating with cross-functional teams. - Initiate and lead team-level technical, process and growth initiatives - Continuously improve the system's observability, incident management, DevOps and production operational SOPs. - Develop and operate scalable, reliable and maintainable service-based softwares and related components. - Responsible for laying the foundation for the platform as well as proposing solutions to ease software development, monitoring of software, etc. - Profiling and performance tuning of critical components - Participate in idea brainstorming and contribute ideas to technology, algorithms and products - Participate on-call rotation within Backend team to ensure product reliability and scalability ## About you [Minimum qualifications] - 5+ years of experience in software development - Leadership experiences such as mentoring junior engineers, facilitating an agile process. - Ability to build web services on Linux. - Proficient in one or more of the following languages: Python/Scala/Go/Java/C++ - Good knowledge of Network API Design ( e.g. REST or GraphQL). - Good understanding of any SQL/NoSQL database (MySQL / MongoDB / Redis / etc.) - Familiar with git. - Familiar with AWS, GCP or Azure. - Proactive, good interpersonal and problem-solving skills. [Preferred qualifications] - BS/MS degree in Computer Science or related field. - Technical leadership experiences - Good at profiling and debugging tools. - High performance network service on Linux. - Design and architect large scale distributed systems. - Design and implement distributed algorithms and data structure. - Expert in some of the following CS Domains: - Nginx / HAProxy. - Operation automation tool (such as Ansible). - Continuous integration / continuous deployment - Monitoring and alert system (Prometheus / Nagios). - Functional programming. - Data Intensive Application Design. - Web Frontend and Javascript. ## #LI-TC1 ## About Appier ## Company Overview - **One-liner**: Appier is an AI-native Agentic AI as a Service (AaaS) company that empowers businesses to turn AI into ROI through cutting-edge AdTech and MarTech solutions. - **Entity Type**: Public (Tokyo Stock Exchange, ticker 4180) - **Headquarters**: Taipei, Taiwan (with 17 offices globally including San Francisco) - **Founded**: 2012 - **Founders**: Chih-Han Yu (CEO), Wan-Ling Lee (COO), Ming-Yu Chen (CSO), Chia-Yung Su (CTO), Che-Hsu Chang (CIO) ## Core Business - **Primary industry**: AI-powered advertising technology (AdTech) and marketing technology (MarTech) - **Target customers**: B2B – primarily enterprise and SMB businesses seeking AI-driven marketing automation, customer data platforms, and programmatic advertising - **Mission**: "Making AI Easy" – helping businesses turn Agentic AI into ROI ## Products & Services - **Ad Cloud**: Performance-driven advertising platform that automates creative testing, audience targeting, and campaign optimization to maximize ROAS. - **Personalization Cloud**: Cross-channel customer engagement platform that personalizes every touchpoint using real-time AI adaptation (includes AIQUA). - **Data Cloud (AIRIS)**: AI-powered Customer Data Platform (CDP) that centralizes, segments, and activates data for unified audience intelligence and real-time decision-making. - **Other tools**: Aictivate (mobile gamer re-engagement), CrossX (advertising solution), BotBonnie (conversational marketing platform), AdCreative.ai (generative AI creative generation). ## Market Standing - **Valuation/Cap**: Market capitalization not publicly available in the search results; company is listed on the Tokyo Stock Exchange (Prime section since 2025). - **Key Metrics**: Total funding raised (estimated from disclosed rounds): ~$142M+ (Series A $6M, Series B1 $23M, Series C $33M, Series D $80M). Annual revenue not disclosed. - **Notable Investors/Partners**: Sequoia Capital, SoftBank Group, LINE Corporation, NAVER, EDBI, AMTD Group, TGVest Capital, HOPU-ARM Innovation Fund, Temasek’s Pavilion Capital, JAFCO Asia/Investment, UMC Capital, TransLink Capital, MediaTek Ventures, Fontaine Capital, UOB Venture Management. - **Growth Signals**: Expanded from 4-person start-up to 17 offices globally, serves 1,800+ customers, acquired Woopra (2022), BotBonnie, QGraph, Emin, AdCreative.ai; ranked top ROI-driving ad partner by Singular for two consecutive years; moved to TSE Prime listing in 2025. ## Competitive Advantages - **Deep AI R&D**: 70% of R&D staff hold PhDs or Master’s degrees in AI/Big Data, with 400+ academic publications. - **Agentic AI Platform**: Autonomous, adaptive agents for advertising, personalization, and data – built on proprietary machine learning, deep learning, and generative AI. - **Full-funnel coverage**: Combines AdTech and MarTech in a unified AI-native stack. - **Global footprint with localised expertise**: Strong presence across APAC, Europe, and US enables cross-border scalability. ## Strategic Focus - **Agentic AI expansion** – further develop autonomous AI agents across advertising, personalization, and data clouds. - **Global growth** – strengthen presence in US and European markets following recent acquisitions (AdCreative.ai, Woopra). - **Generative AI innovation** – incorporate generative AI into creative and campaign workflows. - **Sustainability & governance** – Received “AA” MSCI ESG rating, integrating ESG into operations. ## Why Work Here - **Culture**: “H-appier” framework – Hungry (ambitious, fearless), Humble (open-minded, adaptive), Happier (direct communication, diversity & inclusion, growth). Strong emphasis on execution excellence and customer centricity. - **Remote/Hybrid/Office**: 17 offices globally; specific policy not detailed but positions are likely hybrid/office-based depending on role (many engineering jobs listed in San Francisco, Taipei, etc.). - **Team**: 642 total employees (Built In estimate); engineering roles heavily weighted in AI/ML. - **Perks & environment**: “Start a career, not a job” – career growth tools, collaborative environment, celebration of wins. ## Sources 1. [appier.com](https://www.appier.com/en/) 2. [appier.com/about](https://www.appier.com/en/about) 3. [appier.com/career](https://www.appier.com/en/about/career/) 4. [greenhouse.io](http://job-boards.greenhouse.io/appier) 5. [builtin.com](https://builtin.com/company/appier) ## Other roles at Appier - [Strategic Account Manager, Türkiye, Advertising Solutions](https://feeny.ai/job/strategic-account-manager-turkiye-advertising-solutions-appier-istanbul-kr7te8f4z81c) — Istanbul, Turkey - [Campaign Management Team – Operations Assistant (Part-time)](https://feeny.ai/job/campaign-management-team-operations-assistant-part-time-appier-taipei-7wfg281mwysa) — Taipei, Taiwan - [Technical Solution Engineer](https://feeny.ai/job/technical-solution-engineer-appier-seoul-a9gcbdte22wa) — Seoul, South Korea - [Strategic Account Manager, EMEA, Advertising Solutions](https://feeny.ai/job/strategic-account-manager-emea-advertising-solutions-appier-amsterdam-north-c2ddkvq34m0z) — Amsterdam North Holland, Netherlands / Berlin, Germany / London, United Kingdom - [(Senior) Machine Learning Scientist (Modeling & Evaluation)](https://feeny.ai/job/senior-machine-learning-scientist-modeling-evaluation-appier-taipei-1dd63enfjrsp) — Taipei, Taiwan - [IT Developer](https://feeny.ai/job/it-developer-appier-taipei-b4g29gd58vsq) — Taipei, Taiwan - [Technical Program Manager — AdCloud AI Bidding](https://feeny.ai/job/technical-program-manager-adcloud-ai-bidding-appier-taipei-8cn9m349qfsf) — Taipei, Taiwan - [Senior Software Engineer, Data Backend (Ad Cloud)](https://feeny.ai/job/senior-software-engineer-data-backend-ad-cloud-appier-taipei-tn2r195tzf5a) — Taipei, Taiwan - [Data Scientist, Analytics - Tokyo,Japan.](https://feeny.ai/job/data-scientist-analytics-tokyo-japan-appier-tokyo-55tbhp1hk5yz) — Tokyo, Japan - [Product Manager / Technical PM — Data Engineering](https://feeny.ai/job/product-manager-technical-pm-data-engineering-appier-taipei-m9wy0rzbmcgb) — Taipei, Taiwan