Intermediate Backend Software Engineer
The Company:
Placements AI is building the operating system for advertising. As a product-first company, we are transforming the way digital media publishers, broadcasters, retail media networks, and eCommerce businesses manage their advertising operations through AI-powered technology and automation.
Our platform streamlines advertising sales, operations, billing, and revenue reporting, enabling customers to scale efficiently and drive greater business outcomes. We believe in creating a connected ecosystem that helps our customers modernize and simplify the complexities of advertising operations.
Headquartered in New York City, Placements AI has a global footprint with offices in Seattle, London, Taipei, and Denver, as well as the APAC region.
The Position:
We are looking for a Intermediate Backend Engineer to join our growing engineering team in Taipei. In this hybrid role (three days per week in office), you will be a key contributor to the design, development, and maintenance of our advertising technology platform. You’ll work alongside a talented team and collaborate cross-functionally to deliver high-quality, scalable solutions that support our clients’ evolving needs.
Placements.io continues to invest in platform innovation, including the integration of AI-driven features to enhance automation, predictive insights, and reporting performance. If you're passionate about backend development and excited about shaping the future of AdTech—including AI-driven automation and robust external integrations—this is an excellent opportunity.
Our tech stack includes
- Ruby on Rails
- PostgresSQL
- Elastic search
The Engineering team tackles a wide range of challenges—from big data and system scalability to improving user experience. You’ll have opportunities to work across the stack or specialize deeply in backend systems and integrations.
Key Responsibilities:
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Design, build, and maintain robust, scalable APIs and backend services.
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Collaborate with product managers, designers, and engineers to define technical specifications.
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Implement backend logic to support AI-enhanced features like automated workflows and intelligent data reporting.
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Optimize system performance and resolve bottlenecks and bugs.
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Participate in code reviews to ensure quality, knowledge sharing, and maintainability.
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Conduct testing and debugging to maintain a stable and secure platform.
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Stay informed on backend and AI technology trends to drive continuous improvement.
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Contribute to agile ceremonies, including sprint planning and daily stand-ups.
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Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field.
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Strong backend development experience, ideally within a fast-paced tech environment.
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Proficiency in Ruby on Rails or a similar backend framework.
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Experience developing and consuming RESTful APIs.
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Solid understanding of relational databases (PostgreSQL preferred).
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Familiarity with frontend technologies (React.js, JavaScript, HTML/CSS) is a plus.
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Experience or interest in working with AI/ML-powered systems, tools, or APIs.
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Familiarity with cloud platforms such as AWS, Heroku, or Google Cloud.
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Strong problem-solving skills and attention to detail.
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Excellent collaboration and communication skills.
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Experience in the digital advertising or martech industry is a plus.
- Competitive salary
- Early-stage stock options
- 20 days of PTO
- Applicable labor insurance and pension fund
- Company paid medical, dental, vision, and life insurance
- Regular company lunches and happy hours
- Gym membership reimbursement
- Cell phone reimbursement
To apply to our open positions, please email your resume, cover letter, and the name of the position you are applying for to careers@placements.io. We look forward to meeting you!
EEO Employer: Placements.io is an equal opportunity employer; all qualified applicants will receive consideration for employment without regard to race, social class, color, religion, sex,
sexual orientation, gender identity, national origin, disability, Veteran status, languages, ideology, political affiliation, birthplace, age, appearance, facial features, marital status, zoadic sign, blood type, past labor union membership, or any other protected classification.
Reasonable Accommodation Statement
Placements.io complies with United States federal and state disability laws and makes reasonable accommodations for applicants and employees with disabilities. If reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please send a request to hr@placements.io. All requests for accommodations are treated discreetly and confidentially, as practical and permitted by law.
The total annual remuneration (including salary, bonus and other benefits) range for this role is $1.2 - $1.5 MM TWD, depending on the candidate’s capabilities and experiences.