Software Engineer - Integrations APAC

HongKong, China · Mainland China · Sydney, New South Wales, Australia

We're quickly growing and super excited for you to join us!

About Topsort: The #1 Retail Media Infrastructure Company

We empower omni-channel retailers, marketplaces, and delivery apps in 40+ countries with AI-driven, privacy-first ad tech—helping them scale and optimize retail media like never before.

We’re redefining e-commerce growth with our next-gen media infrastructure: Democratizing auction-based ad tech—the backbone of Amazon, Google, and Meta ads.
AI-powered, privacy-first advertising using cutting-edge machine learning.

About the Role

Ready to take your engineering career beyond the screen?

We’re looking for a Passionate, Communicative, and Client-Facing hands-on Integration Engineer to join our fast-growing engineering team at Topsort!

This is not just another engineering role—here, you’ll have the opportunity to take full ownership of integrations, working directly with APAC customers to shape how our cutting-edge retail media API solutions seamlessly connect with the world’s leading retailers, marketplaces, and delivery apps.

Key Responsibilities

1. Own the entire integration process – You won’t just be following instructions; you’ll be leading integrations end-to-end, solving complex challenges, and acting as a trusted technical advisor to our clients.
2. Be the bridge between tech & customer success – Work directly with clients, engineers, and product teams to deeply understand their needs and ensure seamless API integrations.
3. Solve real-world challenges with agility – Debug, troubleshoot, and optimize integrations for top-tier retailers and marketplaces.
4. Build stronger client relationships – You’ll be the face of our engineering team in APAC, helping customers navigate their integration journey.
5. Experience the world – This role comes with international travel opportunities, allowing you to work directly with global clients.
6. Build smarter tools & automation – Develop internal tools and frameworks to streamline integrations.
7. Career Growth & Leadership – As we scale, you’ll have the opportunity to grow into a leadership role.

Requirements

1. Degree – Bachelor’s or Master’s in Computer Science or a related field.
2. Industry Experience – 3+ years in software development, managing integrations, APIs, system interoperability, or ad tech.
3. API Expertise – Strong experience with RESTful APIs, authentication methods (OAuth), and data formats (JSON, XML).
4. Integration Development – Expertise in building integration tools and APIs.
5. CRM & Platforms – Familiarity with customer relationship management (CRM) tools.
6. Language Proficiency – Fluency in English required.
7. Communication & Stakeholder Management – Strong ability to interact with both technical and non-technical audiences.
8. Agility & Adaptability – Highly agile and adaptable.
9. Creativity & Problem-Solving – A creative thinker with a solution-driven mindset.
10. Project Management – Proven ability to manage multiple projects.
11. Collaboration & Leadership – Comfortable working with cross-functional and remote teams.

Topsort Culture

If you’re feeling like just another cog in the machine—where decisions are made above you, impact feels diluted, and you’re competing internally as one of thousands—then it’s time for a change.

At Topsort, your ideas don’t get lost in layers of approval. You’ll have direct access to C-level leaders, the ability to make real impact fast, and the chance to shape the market.

We only hire the best—people with a sports spirit, a shark mindset, and a drive to win.

Direct and Speedy: We work hard, set aggressive goals and execute flawlessly.

Constant Improvement: The best way to grow is by doing.

Embrace a Sports Team Mentality: We are all helpful and collaborative internally.

Silicon Valley to the World: We offer remote-working options with coworking memberships.

Topsort is an equal-opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

Do you sound like the right fit? Let's dive right in!

Apply for this job