Software Engineer - Integrations

Topsort; City Of London; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

A rapidly growing tech company based in London is seeking an Integration Engineer to lead API integrations and client interactions. Ideal candidates have over 5 years of experience, strong communication skills, and a background in software development. This role offers international travel opportunities and a chance to grow into a leadership position. Join a collaborative team focused on innovative solutions.

Qualifications

• 5+ years in software development.
• Experience interacting with customers and stakeholders.
• Familiarity with CRM tools and integration platforms.

Responsibilities

• Own the entire integration process.
• Be the bridge between tech & customer success.
• Solve real-world challenges with agility.
• Build stronger client relationships.
• Experience international travel opportunities.
• Develop internal tools and frameworks.
• Grow into a leadership role in the future.

Skills

Strong communication skills

Building integration tools

Problem-solving

Experience with RESTful APIs

Education

Bachelor’s or Master’s in Computer Science

Job description

Overview

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

• 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

• 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, data formats (JSON, XML), and authentication methods (OAuth).
• Preferred experience: Experience in SaaS integrations or ad tech. Familiarity with customer relationship management (CRM) tools and integration platforms.

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.

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

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

Note

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