Senior Backend Developer

hace 2 días

Madrid, Madrid, España Jobgether A tiempo completo
This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Senior Backend Developer - in Spain. The Senior Backend Developer will play a key role in designing and maintaining the backend systems that power a high-performance, global digital asset platform. This role focuses on developing scalable, secure, and low-latency services while contributing to new features, integrations, and innovative product offerings. The ideal candidate thrives in a fast-paced, agile environment, collaborating closely with engineers, product managers, and security teams. You will leverage your expertise in , microservices, and databases to enhance platform reliability, performance, and security. Your work will directly impact the experience of a global user base, supporting real-time trading, blockchain integration, and advanced financial services. Continuous learning, problem-solving, and innovation are central to success in this role. Accountabilities:
  • Design, develop, and maintain backend services using and microservices architecture
  • Build secure, reliable, and scalable APIs and backend processes for enterprise-grade applications
  • Implement new products, features, and platform enhancements using agile development methodologies
  • Ensure system performance and responsiveness at scale, supporting global user growth and high-availability requirements
  • Collaborate with cross-functional teams including product, security, and frontend engineering to define requirements and deliver solutions
  • Integrate with blockchain and other financial technologies while maintaining best-in-class security standards
  • Troubleshoot issues, optimize system performance, and participate in on-call rotations if required
  • Contribute to code reviews, technical documentation, and knowledge sharing within the team
Requirements:Strong proficiency in and JavaScript, with experience in backend development of complex platformsFamiliarity with microservices architecture and distributed systemsExperience with relational and NoSQL databases (e.g., MySQL, MongoDB)Solid understanding of security best practices and application-level protectionsExperience in blockchain integration and high-availability systems is a plusKnowledge of other languages such as Ruby, Rust, or C++ is beneficialExperience with message queues, caches, and job queue systems (e.g., Redis)Strong problem-solving skills, adaptability, and ability to learn new technologies quicklyExcellent collaboration and communication skills for a remote, globally distributed team Benefits:Flexible work arrangements and fully remote-friendly cultureCompetitive salary and performance-based compensationCareer development and mentorship opportunitiesCollaborative team environment emphasizing innovation and knowledge sharingLearning resources and workshops to enhance technical skillsSocial and team-building activities, both online and in-personOpportunity to contribute directly to a platform with global impact in digital finance 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. 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-CL1 We 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.

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