Senior Software Engineer - Backend - Core Porto

Senior Software Engineer - Backend - Core
Porto
Porto, Porto District, Portugal

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Client:

Five9

Location:

Porto, Portugal

Job Category:

Other

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EU work permit required:

Yes

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Job Reference:

62272826bf9a

Job Views:

7

Posted:

10. 08. 2025

Expiry Date:

24. 09. 2025

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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 an
  - call rotation, troubleshooting customer issues and driving issues to resolution.

• 8+ years of industry experience in
  - 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 Science fundamentals in design, data structures, algorithms, problem solving, and complexity analysis.
• Strong multithreading knowledge and experience.
• Experience in designing and implementing RESTful and RPC interfaces.
• Experience in applying design patterns and separating concerns in a distributed system.
• Experience architecting, developing, and deploying
  - scale, distributed, and
  - critical services.
• Strong understanding of
  - driven systems.
• Experience working with SQL and No
  SQL databases and caches.
• Experience working within an Agile/Scrum team.
• Positive,
  - motivated, and enthusiastic attitude with a strong sense of ownership.
• Strong communication skills, both verbal and written.

Benefits:

• Five9 Shares
• Bonus Scheme
• 10% Flexi Benefit
• Meal Allowance
• Medical Insurance
• Life Insurance
• 25 days of Annual Leave + Public Holidays

Five9 embraces diversity and is committed to building a team that represents a variety of backgrounds, perspectives, and skills. The more inclusive we are, the better we are. Five9 is an equal opportunity employer.

View our privacy policy, including our privacy notice to California residents here.

Note: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9.