Five9

cloud contact center software

SoftwareEngineerIIBackend

Porto, Porto, Portugal
The Brief

“Software Engineer II - Backend at Five9. Skills: Java backend development, Microservice architectures, REST API design, Spring Boot. Design, develop, and maintain backend software solutions. Build scalable, reliable, and high-performance backend systems”

What You'll Achieve.

bringing joy to customer experience; power end-to-end platform capabilities; enhance productivity and code quality; deliver high-quality, performant, and scalable backend solutions on time and within scope

Industry & Context.

cloud contact center software
Problems you'll solve

solve complex backend and distributed-systems challenges; Troubleshoot and resolve complex production and architectural issues; identifying root causes; implementing scalable solutions; Experience solving complex problems that multiple services, products, or distributed systems

What They're Looking For.

Must Have

3+ years of industry experience in Java backend development, REST API design and implementation, Microservice architectures, Backend frameworks such as Spring Boot, Databases (SQL, NoSQL, Redis), Hands-on experience designing and implementing scalable, high-performance microservices that expose REST APIs, Experience solving complex problems that multiple services, products, or distributed systems, Solid understanding of security best practices, Ability to work both independently and as part of a collaborative engineering team, Commitment to delivering high-quality, performant, and scalable backend solutions on time and within scope, Proven ability to mentor other developers through direct guidance and code reviews

Nice to Have

Experience with Google Cloud Platform (GCP), Kubernetes, build tools (Gradle preferred), CI/CD pipelines (GitLab preferred), Experience with event-driven messaging systems, Experience with contact center technologies, including IVR, Virtual Agents, VoIP, and telecommunications service providers, Experience with AI development tools

What You'll Do.

and maintain backend software solutions

and high-performance backend systems

Develop backend architecture

Implement backend services

Test backend services

Document backend services

Translate requirements into robust backend services and APIs

Explore emerging technologies

Bring innovative ideas into production

Mentor other engineers

Drive backend engineering best practices

and maintainable backend code

Contribute to core services

and platform capabilities

Leverage agentic coding tools

Use AI-assisted development environments

Identify root causes of issues

Implement scalable solutions

Ensure development stays on track

Meet deliverables and milestones

Align solutions with business and platform objectives

Follow engineering processes

Contribute to service documentation

Create technical specifications

How You'll Work.

Team & Collaboration

Working closely with product owners and key stakeholders; Collaborate closely with cross-functional teams including product managers, other backend development teams, frontend engineers, and quality assurance; Partnering with product teams

Process & Methodology

Ensure development stays on track, Deliverables meet milestones, Solutions align with business and platform objectives, Ensure that development stays on track, Milestones are met, Project aligns with business objectives

Free ATS check

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