Ux Designer jobs in United Kingdom

We're 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.

What it’s like to work at Topsort

Our team is all about straightforward communication, embracing feedback without taking it personally, and fostering a super collaborative environment. It’s a sports team that’s hyper focused on winning, collaborative internally, and competitive externally - never the other way around. We thrive on working in the open, lifting each other up, and getting things done with a sense of urgency. We're the kind of team that loves making bold choices, sharing extraordinary opinions, and maintaining a 100 mph pace. No endless meetings here – if it can be done today, we're all about getting it done today.

About the role

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 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. Your solutions won’t just be functional—they’ll be impactful and user-friendly, strengthening long-term customer relationships.
3. 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.
4. 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.
5. 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!
6. Build smarter tools & automation – Develop internal tools and frameworks to streamline and simplify integrations, making them more scalable and efficient for future clients.
7. 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

1. Bachelor’s or Master’s in Computer Science or related field.
2. 1+ years of experience in software development.
3. Strong communication skills and experience interacting with customers and stakeholders.
4. Proficient in building integration tools and APIs.
5. Experience with RESTful APIs, data formats (JSON, XML), and authentication methods (OAuth).
6. Preferred experience: Experience in SaaS integrations or ad tech. Familiarity with customer relationship management (CRM) tools and integration platforms.
7. Availability to work 4 days per week onsite at our Sao Paulo Office.

Topsort Culture

Our team is all about straightforward communication, embracing feedback without taking it personally, and fostering a super collaborative environment. We thrive on working together, lifting each other up, and getting things done with a sense of urgency. We're the kind of team that loves making bold choices, sharing extraordinary opinions, and maintaining a 100 mph pace. No endless meetings here – if it can be done today, we're all about getting it done today.

1. Direct and Speedy: we move quickly, experiment boldly, and get things done today, not tomorrow. Feedback is candid, and the drive for constant improvement is part of our DNA.
2. Ideas > Titles: We believe the best ideas win, regardless of who they come from. If you have a great idea, we want to hear it.
3. Embrace a Sports Team Mentality: We're only competitive externally, and very collaborative internally. Everyone plays a vital role, and together, we win as a team.
4. Silicon Valley to the World: Founded by Stanford and Harvard alumni during the pandemic, we offer flexible working arrangements and (at least) one in-person offsite gathering per year to stay connected as a team.

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!