Software Engineer, Integrations

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About Topsort

At Topsort, we believe in democratizing the secret technologies of the walled gardens and creating a privacy-first cookie-free world of clean advertising with modern tech, friendly products, and AI. We believe in making advertising intuitive, intelligent, and genuinely cool, without any of the creepy ads or cookie-obsession. In a rapidly changing industry, we're on a mission to democratize monetization access for all and ensure that advertising doesn't leave any brand or seller feeling confused or overwhelmed.

Today, Topsort has 5 major hubs worldwide, and employees in 13+ countries. We are a global company that has grown rapidly since our founding in 2021, serving customers in retail, marketplaces, and delivery apps in 40+ countries.

What it’s like to work at Topsort

Our team emphasizes straightforward communication, embracing feedback, and a super collaborative environment. It's a fast-paced team focused on winning, collaborating internally, and competing externally—never the other way around. We value open collaboration, rapid decision-making, and a sense of urgency.

About the role

We’re looking for a Passionate, Communicative, and Client-Facing hands-on Integration Engineer to join our fast-growing engineering team. This role involves taking full ownership of integrations, working directly with customers to shape how our cutting-edge retail media API solutions connect with leading retailers, marketplaces, and delivery apps. This is more than a typical engineering role—you’ll own the end-to-end integration process and act as a trusted technical advisor to clients.

Key Responsibilities

• Own the entire integration process—lead integrations end-to-end, solve complex challenges, and act as a trusted technical advisor to clients.
• Bridge tech and customer success—work with clients, engineers, and product teams to understand needs and ensure seamless API integrations that are functional, impactful, and user-friendly.
• Solve real-world challenges with agility—debug, troubleshoot, and optimize integrations for top-tier retailers and marketplaces.
• Build stronger client relationships—represent the engineering team in APAC, own key client interactions, and become a go-to expert for their integration needs.
• Experience the world—international travel opportunities to work with global clients and visit offices abroad.
• Build smarter tools & automation—develop internal tools and frameworks to streamline integrations and improve scalability.
• Career growth & leadership—opportunities to grow into leadership roles and potentially build a team in the future.

Qualifications

• Bachelor’s or Master’s in Computer Science or related field.
• 5+ years of experience in software development.
• Strong communication skills and experience interacting with customers and stakeholders.
• Proficient in building integration tools and APIs.
• Experience with RESTful APIs, JSON/XML data formats, and authentication methods (OAuth).
• Preferred experience: SaaS integrations or ad tech; familiarity with CRM tools and integration platforms.
• Availability to work 4 days per week onsite at our Sao Paulo Office.

What We Value

• Deep dive into details—drive to uncover root causes and optimal solutions.
• Team first—prioritize collective results over individual credit.
• Thrives with ambiguity—tackle open-ended problems in unstructured environments.
• Adaptability—willingness to learn, mentor, lead, and follow as needed.
• Urgency—execute with speed while building scalable, replicable processes.
• Curiosity—quickly learn difficult concepts and apply them effectively.

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

Seniority level

• Mid-Senior level

Employment type

• Full-time

Job function

• Engineering and Information Technology
• Industries: Technology, Information and Internet

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