### **Description** Would you like to work as a Backend Developer? If so, congratulations! You’ve come to the right place. **WHAT ARE WE LOOKING FOR?** 5+ years of backend development experience and 3+ years with AWS (serverless focus preferred). Solid experience with AWS Lambda, API Gateway, EventBridge, and AWS IAM. Infrastructure-as-Code (IaC) using AWS CDK (or Terraform) and CI/CD pipelines. Data modeling and access in MongoDB (or another NoSQL database), plus knowledge of data integrity and auditing patterns. Design of REST APIs (OpenAPI), versioning, change control, and backward compatibility. Observability (logs, metrics, traces), error handling, and resilient design. Proficiency in at least one modern backend language (Node.js/TypeScript, Java, or Python). **WHAT DO WE OFFER?** Permanent contract from day one. Professional training from day one, enabling clearer career development. Flexible compensation plan. Enjoy flexible working hours, intensive workdays during July and August, and every Friday throughout the year—plus 22 vacation days + your birthday + December 24th and 31st. **WHO ARE WE?** Izertis, with 29 years of experience, listed on the BME Continuous Market and ranked among the top 1,000 fastest-growing companies across European countries, offers you the opportunity to develop your professional career alongside over 2,300 employees through its offices across Europe, the Americas, and Africa—and with a presence in more than 50 countries where we deliver services and projects via our extensive portfolio of solutions, including: AI, Data & Intelligence, Digital Experience, DevOps, Cloud, Cyber Security, Smart Software Labs, Quality Assurance, Hyper Automation, IT Sourcing, Business Solutions, Blockchain, Project & IT Governance Consulting, and other transformative-enabling technologies. Lead your professional development and embrace the challenge Izertis offers you. We look forward to welcoming you! Location**Valencia** Category**Information Technology and Telecommunications** Subcategory**Programming** Sector**Computer Equipment** Working Hours**Full-time** Work Modality**Not specified** Professional Level**Employee** Department**Information Technology