Senior Backend Engineer

Company Overview: Global Technology Services is a rapidly expanding organization situated in Medellín, Colombia. We pride ourselves on possessing one of the most influential networks within software development and IT services for the entertainment, financial, and logistics sectors. Our corporate projections offer a multitude of opportunities for professionals to elevate their careers and experience substantial growth. Joining our team means engaging with expansive engineering teams across Latin America, Philippines and the United States, contributing to cutting-edge developments in multiple industries. Position Title: Senior Backend Engineer Location: LATAM What you will be doing: We are seeking a highly experienced Senior Backend Developer with deep expertise in Python, Artificial Intelligence, and SQL to build scalable backend systems that power next-generation supply chain solutions. In this role, you will design and develop intelligent backend services that leverage AI and machine learning to optimize inventory, demand forecasting, procurement, logistics, and warehouse operations. You'll collaborate with Product Managers, Data Engineers, AI Engineers, and Supply Chain stakeholders to deliver high-performance, data-driven applications. This position is ideal for someone who enjoys solving complex business problems through scalable software architecture and modern AI technologies. Required Skills & Experience 5+ years of professional software engineering experience in production environments. Proven experience managing and contributing to multiple GitHub repositories in a collaborative environment. Demonstrated expertise with the complete software development lifecycle for diverse production-scale systems. Strong proficiency in the Python programming language Experience building and operating distributed systems and microservices architectures. Deep understanding of relational databases, including SQL performance tuning and concurrency management (e.g., SQL Server). Experience with workflow orchestration tools (e.g., Prefect, Airflow) and containerized environments. Strong debugging, performance tuning, and problem-solving skills. Excellent communication skills and ability to work cross-functionally Nice to Have Skills Hands-on experience with Kubernetes (OpenShift or similar) in a production setting. Experience designing and maintaining data pipelines for large-scale processing, and supporting the analytics engineering team. Familiarity with optimization systems, simulation platforms, or operations research concepts (e.g., routing, scheduling, or resource allocation). Experience with Supply Chain modeling platforms like Supply Chain Guru, , NextMV, Gains, Sophus, Starboard, Optilogic, or TMOD. Experience working in Agile/Scrum environments Experience with Go/Golang Experience with ML Algorithms, Optimization Algorithms, and Building AI Native App Soft Skills Strong problem-solving and debugging skills Ability to work independently and take ownership of projects Strong communication skills. Why you will love GTS: Join a powerful tech workforce and help us change the world through technology Professional development opportunities with international customers Collaborative work environment Career path and mentorship programs that will lead to new levels. Join GTS and contribute to shaping the data landscape within a dynamic and growing organization. Your skills will be honed, and your contributions will play a vital role in our continued success. GTS is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.