• Develop new features and evolve existing systems with a focus on quality, scalability, and maintainability. • Have strong knowledge of software architecture and the ability to propose structural improvements to the system. • Implement integrations between internal and external services (APIs, microservices, distributed systems). • Write clean, testable, and efficient code, following engineering best practices and area-defined standards. • Create and run automated and unit tests to ensure delivery quality. • Work closely with product, QA, front-end, and data teams to ensure end-to-end delivery. • Actively participate in code reviews, contributing to collective learning and maintaining technical standards. • Monitor and optimize application performance, identifying and resolving bottlenecks. • Document flows, architectures, and adopted practices to strengthen knowledge sharing. • Collaborate in agile ceremonies (plannings, refinements, retrospectives) with a proactive and solution-oriented approach. • Mentor junior and mid-level developers.

Position Title: Senior Backend Developer Location: COL AND MEX REMOTE 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. What you will be doing: We are seeking a Senior Backend Engineer to design, implement, and maintain scalable infrastructure and CI/CD pipelines in a cloud-native environment. This role requires deep expertise in AWS, infrastructure as code, and modern DevOps practices, along with a solid understanding of backend technologies. You will play a critical role in automating deployments, improving system reliability, and enabling engineering teams to deliver high-quality software efficiently. Required Skills & Experience - 5+ years of experience with software development. - Strong hands-on experience with AWS (compute, networking, storage, IAM) - Experience building CI/CD pipelines using: - Bitbucket Pipelines - GitHub Actions - Solid understanding of backend technologies such as: - Python - Java - Experience with containerization (Docker) and orchestration concepts - Experience with monitoring and observability tools - Familiarity with Git workflows and version control best practices Nice to Have Skills - JavaScript / TypeScript (nice to have) - Familiarity Terraform for infrastructure provisioning - Experience with Kubernetes or container orchestration platforms - Knowledge of serverless architectures on AWS - Familiarity with security and compliance standards - Experience with multi-environment (dev/staging/prod) strategies - Exposure to performance tuning and load testing Soft Skills - Strong problem-solving and analytical thinking - Excellent communication and cross-team collaboration skills - Ability to work independently and take ownership of systems - Leadership and mentorship mindset

• Migration and Modernization: Contribute to the migration of existing Django applications • Port Jupyter notebook-based ETLs, reports, and data processing workflows into production-grade Python services • Feature Implementation: Develop and refine new features using FastAPI for RESTful APIs and Vue.js • Collaborate with the team to refactor and optimize legacy code for maintainability • Engineering Best Practices: Implement and contribute to standards such as SOLID principles, automated testing, CI/CD pipelines, containerization, and code reviews • AI/Agentic Coding Adoption: Actively utilize and advocate for Agentic AI tools to enhance productivity • Integration and Collaboration: Work closely with a small full-stack team to integrate with existing tools

• Ensure the stability, evolution, and efficiency of the team's robot microservices, addressing technical bottlenecks, maintaining infrastructure, and integrating systems. • Support adoption of generative AI solutions and promote the use of AI-assisted development tools within the team, serving as a technical reference for mid-level and junior developers and maintaining high delivery quality. • Maintain, evolve, and modernize the team's microservices with a focus on stability and performance. • Investigate and fix critical technical failures in microservices, including instabilities in messaging flows, scheduling, and inter-system communication. • Upgrade Python versions across multiple services, ensuring compatibility and security. • Investigate and resolve production errors involving GCP services, networking, and inter-service communication. • Develop and maintain integrations between services and APIs, ensuring consistency and scalability. • Actively contribute to code reviews, technical discussions, and the definition of best practices. • Participate in building generative AI solutions using technologies such as ADK and LangChain. • Adopt and encourage the use of AI-assisted development tools like GitHub Copilot, Gemini CLI, or Claude Code in the team’s daily work. • Collaborate with the team in agile ceremonies, technical refinements, and pair programming sessions. • Share knowledge with the team and help drive collective technical growth.