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Senior Software Engineer - Backend - Core
Five9
Full-time
Porto, Porto District
Computer Occupations
Posted:
February 23, 2026
Location:
Porto, Porto District, Portugal
Job Description
Responsibilities: Be part of an agile team to develop scalable, highly available core platform services.
Participate and contribute to requirements analysis and architecture.
Collaborate with product managers, architects, engineering leaders and test engineers.
Understand performance and scalability principles and apply when developing software.
Document and communicate clearly architecture and implementation solutions.
Troubleshoot and support current platform in production.
This position requires the ability to be part of on-call rotation, troubleshooting customer issues and drive issues to resolution. Requirements 8+ years of industry experience in server-side development.
4+ years of Java backend development.
Experience with any public cloud platform.
Deep knowledge and experience in building Spring Framework applications.
Strong Computer ...
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Apply Now Save for LaterJob Overview
Job Type:
Full-time
Location:
Porto, Portugal
Posted:
February 23, 2026
Deadline:
April 04, 2026