Job Summary: T1 is seeking a backend developer to design and maintain a unified, scalable, and secure commerce platform, leveraging AI and security standards such as PCI-DSS. Key Highlights: 1. Scalable and secure backend development for commerce platform. 2. Application of Artificial Intelligence in technological solutions. 3. Collaboration on feature integration and continuous improvements. We are revolutionizing the future of commerce. We are the all-in-one platform that unifies store, payments, and shipping into a single system. At T1, we simplify processes so every business operates with precision: fewer steps, lower costs, greater control. **What will be your mission?** Develop and maintain the scalable, secure, and intelligent backend of our unified commerce platform, applying modern architectures, AI, and complying with standards such as PCI-DSS. **What will you do daily?** * Develop, maintain, and deploy scalable and robust software solutions for e-commerce platforms. * Design and optimize databases for large volumes of data. * Build and maintain efficient and secure REST APIs. * Collaborate on integrating new features and driving continuous improvements. * Apply Artificial Intelligence techniques in technological solutions (mandatory requirement). * Administer and optimize cloud infrastructure, especially serverless environments on AWS. * Ensure backend system performance, security, and scalability. **What we’re looking for in you** * Bachelor’s degree or Engineering in Systems, Computer Science, Computing, or related field (intern or graduate). * Minimum **3+ years as a backend developer** in high-demand environments. * Prior experience in e-commerce or transactional digital products (preferred). * Active participation in projects using distributed architectures and microservices. * Experience implementing **secure coding practices** and **PCI DSS standards**. * Experience with **Python, Go, PHP, and JavaScript/Node.js**. * Knowledge of **Mongo, DynamoDB, and Redis**. * Extensive experience with **AWS and serverless architectures**, including: Lambda, API Gateway, SQS/SNS, CloudWatch, S3, DynamoDB, Step Functions. * Experience with **CloudFormation** or **Terraform**. * Familiarity with **GitHub Actions, AWS CodePipeline**, or **Jenkins**. * Use of intelligent code assistants (e.g., **GitHub Copilot, CodeWhisperer**). * Knowledge of or interest in AI agents for DevOps, test automation, and AI-guided development as part of the software lifecycle. **Why join us?** At T1, we value ideas, collaboration, and continuous learning. We believe in people who dare to build, propose, and transform. If you seek a place where your work has purpose, **T1 is for you!** **What do we offer?** * Competitive salary. * Statutory and above-statutory benefits. * Life insurance. * Discounts at Carso Group companies. * Gym discounts. * Health sector discounts. By applying to any of our openings, you accept the terms of our Privacy Notice, available at t1.com. Employment type: Full-time Salary: $35,000.00 - $40,000.00 per month Benefits: * Study support * Employee discount * Referral program * Discounted cafeteria service Application question(s): * This position is 100% onsite at Plaza Carso—do you agree? * What is your salary expectation? (gross) Work location: Onsite employment