> Markdown version of [/jobs/ext/3145535-senior-backend-engineer-node-js-aws](https://www.wearedevelopers.com/jobs/ext/3145535-senior-backend-engineer-node-js-aws). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Backend Engineer Node.Js + Aws - **Company:** Deel - **Location:** Toledo, Spain - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), Amazon Web Services, Software as a Service, Data Validation, Software Design Patterns, PostgreSQL, Node.Js, Object-Oriented Software Development, Software Engineering, SQL Databases, TypeScript, Backend, Front End Software Development, Api Design - **Published:** September 29, 2026 - **Apply:** https://www.buscojobs.com.es/senior-backend-engineer-node-js-aws-en-toledo-ID-373240322 ## About the Role Requisitos principales 8+ years of software engineering experience Backend development with Node.js and TypeScript/JavaScript Proficiency in PostgreSQL and SQL query optimization Strong understanding of object-oriented programming and design patterns Experience designing scalable systems and handling high transaction volumes API development experience with input validation, JWT, and queue-based architectures Remote collaboration and proactive communication Ownership and autonomy balanced with teamwork Clear communication of complex ideas to diverse stakeholders Node.js TypeScript/JavaScript PostgreSQL ## Description OverviewIn this role you will contribute to building scalable backend services for Deel's global payroll and HR platform. You will work within a cross-functional Engineering team to plan, design, and deliver robust features and APIs that serve customers worldwide. You will tackle performance and reliability challenges at scale, while maintaining a customer-centric engineering mindset. This is an opportunity to impact how global teams are paid and governed, in a remote-first, high-growth SaaS environment.Compensaciones / Beneficios Stock grant opportunitiesFlexible office membership (IWG)Total rewards programHealthcare and benefitsCompetitive base salaryRemote-friendly with inclusive policiesResponsabilidades Collaborate in a cross-functional team with frontend, product, design, and QA to deliver seamless experiencesParticipate in product planning from discovery to deploymentDevelop and enhance features, including APIs, with a focus on quality and scalabilityIdentify and fix bugs quickly to maintain Deel SpeedDeliver a customer-centric engineering approach to product quality and reliabilityRequisitos principales 8+ years of software engineering experienceBackend development with Node.js and TypeScript/JavaScriptProficiency in PostgreSQL and SQL query optimizationStrong understanding of object-oriented programming and design patternsExperience designing scalable systems and handling high transaction volumesAPI development experience with input validation, JWT, and queue-based architecturesRemote collaboration and proactive communicationOwnership and autonomy balanced with teamworkClear communication of complex ideas to diverse stakeholdersNode.jsTypeScript/JavaScriptPostgreSQL