**About Astound Digital** At Astound Digital, we are pioneers in the digital landscape, dedicated to transforming how the world interacts with technology, data, and creativity. Our role as trusted advisors in the digital landscape empowers the world’s most innovative brands with frictionless, end\-to\-end customer experiences. We are known for our comprehensive solutions, proven expertise, and collaborative, nimble approach that instills confidence in our clients. Join us to navigate and lead in the ever\-changing digital world, where your impact will extend beyond the ordinary. **Job Purpose** We are seeking a **Senior Salesforce Backend Developer** to design, build, and maintain scalable backend systems that power our Salesforce\-based digital solutions. In this role, you’ll work closely with cross\-functional teams to integrate Salesforce with external systems, optimize performance, and ensure high\-quality data flow across the enterprise. This is an opportunity to contribute to transformative projects within the Salesforce ecosystem, leveraging cutting\-edge technologies to deliver impactful client outcomes. **In this role you will get to** * Design, implement, and maintain robust backend services and APIs supporting Salesforce integrations (e.g., MuleSoft, Apex REST APIs, or external middleware). * Develop scalable solutions that extend Salesforce functionality while maintaining platform integrity and security. * Collaborate with front\-end, Salesforce, and DevOps teams to deliver high\-performing, integrated digital experiences. * Optimize system performance, data flow, and process automation within multi\-cloud Salesforce environments. * Implement security, data governance, and compliance best practices across backend components. * Participate in architectural design reviews, technical planning, and solution documentation. * Mentor junior developers and contribute to continuous improvement initiatives. * Monitor, debug, and troubleshoot production issues as needed. * Stay current on Salesforce platform enhancements, backend frameworks, and emerging technologies. **Your skills and qualifications** * 5\+ years of professional backend development experience, with at least 2 years focused on **Salesforce platform integrations**. * Proficiency in one or more backend languages such as **Apex, Node.js, Java, or Python**. * Experience building **RESTful APIs, GraphQL endpoints**, and event\-driven architectures. * Strong understanding of **Salesforce data models**, **SOQL**, and **Salesforce integration patterns** (e.g., Platform Events, Middleware, or External Services). * Experience with **MuleSoft**, **Salesforce APIs**, or other integration tools preferred. * Hands\-on experience with **cloud services (AWS, Azure, or GCP)** and containerization tools (Docker, Kubernetes). * Familiarity with **CI/CD pipelines, version control (Git)**, and automated testing frameworks. * Strong analytical, problem\-solving, and communication skills. * Salesforce certifications (e.g., **Platform Developer I/II**, **Integration Architect**) are a plus. **What we offer in return** * Work with people around the globe * **Off\-the\-Charts Career Growth:** Сlear career path and a performance review system, career coaching, training and certifications, mentoring and knowledge sharing. * **Well\-being Is Top Priority:** Parental leave, paid time off, comprehensive health and medical plans. * **Real Work\-Life Balance:** Remote, in\-office, or hybrid working modes; flexible hours; work\-life balance support on every stage and level. * **Culture of Success:** Culture of collaboration that encourages innovation every step of the way; 20 offices spanning four continents bring diverse perspectives that drive tangible results for our clients worldwide **Why work for Astound Digital?** Whether you’re working directly with our world\-renowned clients or with your Astound colleagues from around the globe, you will shape the future of digital commerce, using emerging technologies and innovative approaches. **Grow your career with Astound Digital, and discover exciting opportunities while doing the work you love!** **Please note, this is a** **hybrid position** **and candidates must be** **based in Medellín, Colombia****.**