Software Engineer, Integrations

Barcelona, Barcelona, Spain; London, England, United Kingdom

Were quickly growing and super excited for you to join us!

About Topsort

Today, Topsort has 5 major hubs worldwide, and employees in 13+ countries, including Menlo Park, Boston, Santiago Chile, Sao Paulo Brazil, Barcelona Spain, and Sydney Australia. We are a truly global company that was born in the pandemic that’s had rapid growth since out of a genius product, a customer-first mentality, and a hardworking team of talented individuals. Since our founding in 2021, we’ve gained customers in retail, marketplaces, and delivery apps in 40+ countries and quickly approaching the #1 position in the industry.

Do you enjoy a fast-paced environment? Do you like seeing your work create real-time impact, being part of a rocket ship from the very beginning? Let’s do the unimaginable - let’s make ads clean and cool again, with AI and modern technology.

Why Topsort? Why now?

Topsort is changing the way Retail Media works. By joining our scaling team, youll feel your impact from day 1. The processes and messaging you build today will be a critical part of our foundation as we accelerate toward 200 Topsorters worldwide, and your innovations will leave a lasting mark on the industry, as a whole. Retail Media is on the verge of a new era, and Topsort is gathering the ecosystem together to shape a brighter future. Joining us now, youll work directly alongside our co‑founders and founding members to bring on Retail Media 3.0. If youre looking to define your career as something greater than yourself, come scale with us.

What it’s like to work at Topsort

At Topsort, we communicate openly and move fast. We say things as they are, challenge each other early, and embrace feedback with curiosity—it’s how we build better, faster. Every experiment has a promise, and every outcome helps us make the next decision smarter. There’s no single formula for success here; we find what works, improve it, and scale it.

We’re collaborative internally and competitive externally—never the other way around. The pace is quick, sometimes 100‑mph fast, and that’s what keeps it exciting. We act with intent, lift each other up, and turn bold ideas into real results. No endless meetings here—if it can be done today, it gets done today.

About the Role
We are looking for a hands‑on and client‑facing

Software Engineers, Integrations

focused to join our team at Topsort. In this role, you will play a pivotal part in translating real‑world business needs into powerful, scalable product solutions. You’ll collaborate directly with sales, product, and engineering teams to support Pre‑sales conversations - partner with sales to understand customer pain points, lead technical implementations with Topsort.

You will:

Engage with Prospects & Clients: Work closely with the sales and customer success teams to understand client requirements and propose tailored technical solutions.

Own Technical Discovery & Demos: Lead technical conversations and run product demonstrations that align our platform’s capabilities with customer needs.

Solution Design: Translate business challenges into feasible product configurations, data integrations, and implementation plans.

Support RFPs and Security Questionnaires: Respond to technical and compliance‑related questions in RFPs and trust questionnaires.

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.

What We Think You Need to Be Successful
We’re open to candidates who don’t check every box but show strong potential.

Core Requirements & Experience

Industry Experience: 1+ 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).

Proven ability to communicate complex technical ideas clearly to both technical and non‑technical audiences.

Demonstrated success working directly with enterprise clients, understanding their operational realities and constraints.

Comfortable navigating ambiguity and making decisions with incomplete information.

Clear sense of ownership — you lead the solution from pre‑sales design through implementation and post‑sale success.

Experience collaborating with product and engineering teams to shape customer‑driven roadmaps.

Bachelor’s degree and above in

Computer Science, Engineering, or related field from a top school.

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

Communication & Stakeholder Management: Strong ability to interact with both

technical and non‑technical audiences , translating complex concepts into actionable insights.

What We Value

Deep dive into details:

Professionals who are not content with superficial answers and dive deeply into the details to uncover root causes and optimal solutions.

Team first:

A low need for individual recognition, always prioritizing collective results over personal credit.

You thrive with ambiguity:

Exceptional ability to tackle open‑ended problems in unstructured environments, turning chaos into structured innovation.

Adaptability:

Willingness to learn, mentor, lead, and follow as the situation demands, fostering growth at all levels.

Urgency:

A disproportionate sense of urgency in execution, while keeping scalability and the creation of replicable processes in mind to ensure long‑term success.

Curiosity:

Genuinely curious individuals who can quickly learn difficult concepts and apply them effectively.

We are proud to be an equal opportunity employer and to foster a workplace where diversity is valued and celebrated. We believe that diverse perspectives and experiences strengthen our teams and drive better outcomes. We respect and value any race, religion, color, national origin, ancestry, caste, gender, gender identity or expression, sexual orientation, age, disability, medical condition, pregnancy, genetic information, marital status, or military service.

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