> Markdown version of [/jobs/ext/3091315-senior-back-end-engineer-la-coruna](https://www.wearedevelopers.com/jobs/ext/3091315-senior-back-end-engineer-la-coruna). 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 Back End Engineer (La Coruña) - **Company:** La Coruña - **Location:** A Coruña, Spain - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), 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 26, 2026 - **Apply:** https://www.buscojobs.com.es/senior-back-end-engineer-la-coruna-en-la-coruna-ID-372759212 ## About the Role ~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 integral 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 / BeneficiosStock grant opportunitiesFlexible office membership (IWG)Total rewards programHealthcare and benefitsCompetitive base salaryRemote-friendly with inclusive policiesResponsabilidadesCollaborate 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 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 architecturesRemote collaboration and proactive communicationOwnership and autonomy balanced with teamworkClear communication of complex ideas to diverse stakeholdersNode.jsTypeScript/JavaScriptPostgreSQL? Senior Back End Engineer (La Coruña)? Deel? La Coruña