Senior Backend Engineer, Node.Js + Aws

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Senior Backend Engineer,Node.js+ AWS in Spain.This role offers the opportunity to join a dynamic, fast-paced engineering team focused on building and maintaining high-performance backend systems at scale. You will develop robust APIs, optimize database performance, and contribute to architecture decisions that impact millions of users globally. Working remotely within a cross-functional environment, you will collaborate closely with product, frontend, and QA teams to deliver high-quality features. The position combines hands-on coding with strategic input on backend design, scalability, and system reliability. You will thrive in an environment that values technical excellence, customer-centric solutions, and the ability to solve complex problems in a distributed team setting.Accountabilities:Design, develop, and maintain backend services usingNode.jsand TypeScript/JavaScript, ensuring robust, secure, and scalable architecture.Collaborate with frontend engineers, product managers, designers, and QA teams to deliver seamless, high-quality experiences.Optimize database systems, particularly PostgreSQL, including query optimization, migrations, and schema design.Build APIs with attention to performance, security, and scalability, including support for high-volume transactions and queue-based systems.Participate in all stages of the Software Development Lifecycle, from planning and development to testing, deployment, and monitoring.Troubleshoot and resolve backend issues, maintaining high availability and reliability across systems.Requirements:8+ years of experience in backend software engineering with expertise inNode.jsand at least one other server-side language.Strong proficiency in TypeScript/JavaScript best practices and object-oriented programming principles.Advanced SQL skills, especially with PostgreSQL, including performance tuning, data modeling, and migrations.Experience designing systems for scalability, concurrency, and high-volume performance.Familiarity with AWS cloud infrastructure, serverless architecture, and distributed systems.Proven ability to thrive in remote, cross-functional teams with excellent communication and collaboration skills.Business-focused mindset, with experience delivering high-value outcomes for users or customers.Nice-to-have: SaaS experience, familiarity with FinTech, or prior work on globally distributed platforms.Benefits:Competitive salary with global pay equity considerations.Stock grant opportunities based on role, status, and location.Fully remote work with optional access to coworking spaces (e.g., WeWork).Flexible hours and autonomy within a distributed team.Comprehensive learning and development opportunities to support career growth.Inclusive and diverse work environment with equal opportunity practices.Additional perks and benefits depending on country and employment status.Why Apply Through Jobgether?We use anAI-powered matching processto ensure your application is reviewed quickly, objectively, and fairly against the role’s core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team.We appreciate your interest and wish you the best!Why Apply Through Jobgether?Data Privacy Notice:By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time.#LI-CL1We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

8+ years of experience in backend software engineering with expertise in Node.js and at least one other server-side language. Strong proficiency in TypeScript/JavaScript best practices and object-oriented programming principles. Advanced SQL skills, especially with PostgreSQL, including performance tuning, data modeling, and migrations. Experience designing systems for scalability, concurrency, and high-volume performance. Familiarity with AWS cloud infrastructure, serverless architecture, and distributed systems. Proven ability to thrive in remote, cross-functional teams with excellent communication and collaboration skills. Business-focused mindset, with experience delivering high-value outcomes for users or customers. Nice-to-have: SaaS experience, familiarity with FinTech, or prior work on globally distributed platforms.

Competitive salary with global pay equity considerations. Stock grant opportunities based on role, status, and location. Fully remote work with optional access to coworking spaces (e.g., WeWork). Flexible hours and autonomy within a distributed team. Comprehensive learning and development opportunities to support career growth. Inclusive and diverse work environment with equal opportunity practices. Additional perks and benefits depending on country and employment status. Why Apply Through Jobgether? We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role’s core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team.