Five9

Systems Integration Engineer II

Five9
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1 day ago
Porto, PortugalMid Level

Responsibilities

  • Develop Python integrations that call APIs, parse responses, handle failures, and run on schedules or events.
  • Maintain data models linking roadmap items to delivery work and resolve mismatches.
  • Monitor integrations, troubleshoot failures, and maintain operational runbooks.
  • Build automated feeds for OKR, QBR, and capacity reporting while reducing manual work.
  • Evaluate new tools and connectors, including their operating costs and user impact.
  • Document integration behavior and data flows.
  • Support engineering operations users in using the tooling without compromising data quality.

Requirements

  • 2–4 years of experience building software integrations between systems.
  • Ability to independently write and debug Python and deliver scripts or services used by others.
  • Working experience with REST APIs, including authentication, pagination, rate limits, and retries.
  • Experience integrating systems with mismatched data models.
  • Working knowledge of the Jira or Confluence API and permission model, or a comparable work management platform.
  • Ability to connect technical work to business decisions and explain tradeoffs to technical and operational stakeholders.
  • Clear communication skills and a consistent documentation practice.
  • Preferred: experience using AI coding tools in an AI-driven development lifecycle.
  • Preferred: experience with webhooks, queues, event-driven integrations, BI or reporting tools, or engineering operations/program teams.

Benefits

  • Five9 Shares.
  • Bonus scheme.
  • 10% flex benefit.
  • Meal allowance.
  • Medical insurance.
  • Life insurance.
  • 25 days of annual leave plus public holidays.
  • Fully remote outside Porto, Maia, Matosinhos, Gondomar, Valongo, and Vila Nova de Gaia; candidates within those municipalities work in-office three days per week.

Tech Stack

Categories

Five9

About Five9

1,001-5,000 employees

Five9 builds cloud contact center software (CCaaS) for enterprises to manage voice and digital customer interactions, powered by AI for routing, automation, and analytics. It sells its platform as SaaS with modules for IVR, outbound dialers, agent desktop, workforce engagement, and CRM integrations such as Salesforce and ServiceNow. The company is headquartered in San Ramon, CA, serves 2,500+ customers globally, and is a public company listed on Nasdaq (also BMV).

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