Principal Software Engineer (Ad Platforms)

Mediacorp Pte Ltd; Singapore; On-site; SGD 80,000 - 110,000; Full time

Job summary

A leading media company in Singapore is seeking a highly skilled Principal Software Engineer to design and optimize advertising technology solutions. The ideal candidate will have extensive full-stack development experience and a strong understanding of advertising ecosystems, ensuring the delivery of scalable, data-driven digital media products. Join a dynamic team committed to innovation and results.

Qualifications

• 5+ years of experience as a Full-Stack Developer.
• Strong knowledge of modern front-end technologies and frameworks.
• Experience with performance optimization and debugging.

Responsibilities

• Design, develop, and maintain full-stack applications for ad delivery.
• Build scalable APIs and services to integrate with various systems.
• Collaborate with cross-functional teams to deliver solutions.

Skills

JavaScript

Full-Stack Development

React

API Development

Performance Optimization

Clean Code Principles

Debugging

Agile Methodologies

Education

BSc in Computer Science or related field

Tools

Git

HTML5

CSS3/Sass

CMS platforms (Strapi, Drupal, WordPress)

AJAX

Job description

We are seeking a highly skilled Principal Software Engineer with expertise in Ad Platforms to design, build, and optimize advertising technology solutions that power scalable, data-driven digital media products. The ideal candidate has strong full-stack development experience, knowledge of advertising ecosystems (programmatic, DSPs, SSPs, ad servers, etc.), and a passion for building performance systems that drive measurable business outcomes.

Key Responsibilities

Development & Engineering

• Design, develop, and maintain full-stack applications for ad delivery, targeting, reporting, and optimization.

• Build scalable APIs and services to integrate with ad servers, DSPs, SSPs, and data providers.

• Develop and maintain web-based dashboards, campaign management tools, and analytics platforms.

• Analyze, troubleshoot, and optimize ad solutions for efficiency and performance.

AdTech-Specific

• Implement and optimize ad serving logic, bidding algorithms, and header bidding solutions.

• Work with client- and server-side integrations (e.g., Prebid, Google Ad Manager, OpenRTB).

• Build audience segmentation, targeting, and personalization systems leveraging first-party and third-party data.

• Implement tracking, measurement, and attribution frameworks across platforms.

Collaboration

• Partner with product managers, data scientists, and ad operations teams to define requirements and deliver solutions.

• Work closely with DevOps teams to ensure secure, reliable, and scalable deployments.

• Collaborate with analytics teams to surface actionable insights via reporting dashboards.

Qualifications

• BSc in Computer Science or related field

• 5+ years of experience as a Full-Stack Developer

• Strong knowledge of JavaScript, modern front-end technologies, and frameworks (React, Vue, or Svelte)

• Proficiency in Clean Code principles, Design Patterns, Unit Testing, and version control (GIT)

• Experience with performance optimization, cross-browser compatibility, debugging, and problem-solving

• Familiarity with CMS platforms (Strapi, Drupal, WordPress)

• Knowledge of HTML5, CSS3/Sass, JavaScript, AJAX, jQuery, XML, JSON

• Understanding of Agile methodologies and API architectures (REST, RPC)

• Exposure to AdTech tools, web analytics integration, ad serving, pixel implementation, retargeting, mobile, and video

• Strong collaboration skills, with experience in code reviews and architectural discussions

• Excellent communication, analytical, and multitasking abilities

• Proactive, dynamic, and results-driven team player

• Committed to staying updated with emerging technologies