Software Engineer - Integrations APAC - Topsort

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.

At Topsort, we’re customer-focused, product-led, and committed to privacy by design. Our mission? To make advertising smarter, intuitive, and actually cool—without the creepy tracking (except for chocolate chip cookies 🍪).

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 (Why this role) 

• 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.

• 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. Your solutions won’t just be functional—they’ll be impactful and user-friendly, strengthening long-term customer relationships.

• Solve real-world challenges with agility – Debug, troubleshoot, and optimize integrations for top-tier retailers and marketplaces, ensuring everything runs smoothly and efficiently. Your quick thinking and hands-on problem-solving will directly enhance the client experience.

• Build stronger client relationships – This isn’t just a technical role; you’ll be the face of our engineering team in APAC, helping customers navigate their integration journey. You’ll own key client interactions, build trust, and become a go-to expert for their integration needs.

• Experience the world – This role comes with international travel opportunities, allowing you to work directly with global clients, visit their offices, and immerse yourself in different cultures. If you enjoy meeting people, collaborating in person, and making an impact globally, this is the role for you!

• Build smarter tools & automation – Develop internal tools and frameworks to streamline and simplify integrations, making them more scalable and efficient for future clients.

• Career Growth & Leadership – As we scale, you’ll have the opportunity to grow into a leadership role and potentially build your own team in the future.

Requirements (Why you)

• Degree – Bachelor’s or Master’s in Computer Science or a related field.

• Industry Experience – 3+ years in software development, managing integrations, APIs, system interoperability, or ad tech is a plus. etc.

• API Expertise – Strong experience with RESTful APIs, authentication methods (OAuth), and data formats (JSON, XML).

• Integration Development – Expertise in building integration tools and APIs to enable seamless connectivity.

• CRM & Platforms – Familiarity with customer relationship management (CRM) tools and integration platforms.

• Language Proficiency – Fluency in English (Advanced level) required for working with international clients.

• Communication & Stakeholder Management – Strong ability to interact with both technical and non-technical audiences, translating complex concepts into actionable insights.

• Agility & Adaptability – Highly agile and adaptable, able to navigate change, iterate quickly, and drive solutions in dynamic environments.

• Creativity & Problem-Solving – A creative thinker with a solution-driven mindset, able to tackle challenges with innovative approaches.

• Project Management – Proven ability to manage multiple projects while maintaining efficiency and meeting deadlines.

• Collaboration & Leadership – Comfortable working with cross-functional and remote teams, fostering team alignment and knowledge sharing.

Topsort Culture (Why us)

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 at an accelerated pace. 

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

• Direct and Speedy: We work hard, set aggressive goals and execute flawlessly to accomplish them. We give candid feedback, push each other to set higher goals and produce more impact by always thinking “how do we do this faster and better”

• Constant Improvement: The best way to grow is by doing. Topsort team is made of action-driven, intelligent, and curious individuals who are constantly seeking improvements and reinventions that lead to a better output and never content with the status quo.

• Embrace a Sports Team Mentality: We are all helpful and collaborative internally. You are ultimately surrounded by just different people that are all here to help you get the job done and shine as a team. 

• Silicon Valley to the World: We were born in the pandemic by Stanford and Harvard alum cofounders who offer remote-working options with coworking memberships and (at least) once a year in person offsite gathering. You’ll be welcomed by coworkers in 11 countries that all bring a unique perspective to the company from day 1.

• Valued for Your Individuality: From personalized birthday gifts to work anniversaries, and management training program or in-person gatherings or career talks and mentorships, part-time DJs and tik-tok loggers are also commercial leaders and technical staff at Topsort. We don’t take management with a cookie cutter approach - but rather we cherish your quarks and think it makes us stronger. 

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