Senior Fullstack Engineer

The Company

Placements.io is a product-first SaaS company transforming how digital media publishers and agencies manage their advertising businesses. Our platform simplifies ad sales, operations, billing, and revenue reporting—enabling our customers to scale efficiently and make smarter decisions.

With a global footprint and a strong engineering culture, we’ve been recognized on Inc.’s 5000 Fastest-Growing Companies list and named one of Will Reed’s Top 100 Early-Stage Companies to Work For. Headquartered in Seattle, we’ve expanded to New York, London, Taipei, and Singapore.

The Position

As a Senior Fullstack Engineer at Placements.io, you will play a crucial role in designing, developing, and maintaining our cutting-edge advertising technology platform. You will have the opportunity to work with a talented team of engineers and collaborate with cross-functional teams to build robust and scalable solutions that empower our clients in the digital advertising industry. This role is hybrid, with three days per week based in our Taipei office.

If you prefer backend or frontend, that’s ok too. Our tech stack consists of, but is not limited to

● Ruby on rails

● Postgres

● React

● Elastic search

The Engineering team at Placements tackles a variety of challenges, including big data problems, perfecting the user experience, service scalability, reliability, and AI-powered optimization. There are opportunities across the stack, and you will have the freedom to work on what features interest you.

Responsibilities

• Develop and maintain features for Placements.io’s advertising technology platform, covering both frontend and backend components.
• Collaborate with product managers, designers, and other engineers to gather requirements and translate them into technical specifications.
• Build efficient, scalable, and secure code following best practices and coding standards.
• Identify and resolve performance bottlenecks and bugs to ensure optimal system performance and stability.
• Participate in code reviews to maintain code quality, provide feedback, and encourage knowledge sharing within the team.
• Conduct thorough testing and debugging of applications to ensure high reliability and user satisfaction.
• Continuously research and evaluate emerging technologies to propose innovative solutions and improvements to existing systems.
• Work in an agile development environment, actively participating in sprint planning, daily stand-ups, and other team activities.
• Collaborate with cross-functional teams, such as product management and quality assurance, to ensure successful product delivery.
• Stay up-to-date with industry trends, best practices, and advancements in web development, including AI/ML applications in software development.

Qualifications

• Bachelor’s or master’s degree in Computer Science, Software Engineering, or a related field.
• Solid experience as a Fullstack Engineer, preferably in a fast-paced startup or technology-focused environment.
• Proficiency in modern frontend technologies such as JavaScript, HTML5, CSS3, and frameworks/libraries like React.js, Angular, or Antd.
• Strong understanding of backend technologies and frameworks – Ruby on Rails is an asset.
• Experience with server-side development and RESTful APIs.
• Knowledge of database systems such as PostgreSQL.
• Familiarity with cloud platforms and services, such as Heroku, AWS, or Google Cloud.
• Experience working with or integrating AI/ML technologies is a strong plus (e.g., recommendation systems, predictive analytics, data enrichment).
• Ability to write clean, modular, and maintainable code with a focus on performance, scalability, and security.
• Experience with version control systems like Git and proficiency in using related collaboration tools (e.g., GitHub, GitLab).
• Strong problem-solving skills and a proactive mindset to identify and resolve technical challenges.
• Excellent communication and collaboration skills to work effectively in a team-oriented environment.
• Strong attention to detail and a passion for delivering high-quality software solutions.
• Prior experience in the digital advertising industry or related domains is a plus.

Benefits Include (subject to company policy changes permitted by law)

• Competitive salary
• Early-stage stock options
• 20 days PTO
• Applicable labor insurance and pension fund
• 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.

Compensation

The total annual remuneration (including salary, bonus and other benefits) range for this role is

$1.7 - $2.0 MM TWD, depending on the candidate’s capabilities and experiences.