> Markdown version of [/jobs/ext/2724466-software-engineer](https://www.wearedevelopers.com/jobs/ext/2724466-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer - **Company:** Topsort - **Location:** Spain - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), User Authentication, Data Integration, JSON, OAuth, Extensible Markup Language (XML), Information Technology, Integration Frameworks, Restful APIs, Api Management - **Published:** September 5, 2026 - **Apply:** https://startup.jobs/software-engineer-integrations-topsort-7194808 ## About the Role * 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., * 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. ## Description 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., * 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.