Senior Software Engineer (Frontend) - Core
Posted:
3/24/2025, 8:34:24 AM
Location(s):
Porto, Porto District, Portugal ⋅ Porto District, Portugal
Experience Level(s):
Senior
Field(s):
Software Engineering
Workplace Type:
Hybrid
Pay:
$96/hr or $199,680 total comp
Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide.
Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves.
As a member of the Core Apps Team, you will be working on maintaining and enhancing Five9’s legacy applications. We are looking for an experienced engineer who is passionate about building stable, high-performance, and reliable solutions, possesses strong analytical thinking, and can effectively collaborate within a team.
If you are looking to work with proven technologies, help maintain mission-critical systems, and grow in a stable environment, we'd love to have you on our team!
Key responsibilities:
- Support and enhance legacy applications, ensuring their stability and improving code quality.
- Develop and maintain Java UI applications using WebSwing.
- Work with JSF, JSP, and other web interface technologies.
- Optimize and maintain existing code while reducing technical debt.
- Conduct code reviews, write unit tests, and follow best development practices.
- Collaborate with cross-functional teams, including Product, QA, and Operations, to ensure successful implementation of new solutions.
- Work with SQL and NoSQL databases, participating in query optimisation.
- Utilize CI/CD tools such as GitLab.
Requirements:
- 5+ years of experience in software development.
- Strong knowledge of Java and experience with WebSwing, Java UI.
- Knowledge of Spring framework is a plus.
- Experience with JSF, JSP is a plus.
- Solid understanding of SQL and NoSQL databases.
- Knowledge of Kubernetes and cloud solutions (e.g., GCP) is a plus.
- Experience working in a CI/CD environment.
- Strong debugging and optimisation skills.
- Ability to work effectively within a team, solve complex problems, and suggest improvements.
- Willingness to be on-call when necessary.
Benefits:
- Five9 Shares
- Bonus Scheme
- 10% Flexi Benefit
- Meal Allowance
- Medical Insurance
- Life Insurance
- 25 day 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: https://www.five9.com/pt-pt/legal.
Note: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9.
Five9
Website: https://www.five9.com/
Headquarter Location: San Ramon, California, United States
Employee Count: 1001-5000
Year Founded: 2001
IPO Status: Public
Last Funding Type: Debt Financing