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Senior Software Engineer
Отличное предложение от стабильной международной компании с фокусом на современные технологии (GCP, AI, Microservices). Удаленный формат работы и работа над критически важной инфраструктурой делают вакансию очень привлекательной для опытных инженеров.
Сложность вакансии
Высокая сложность обусловлена требованиями к глубокой экспертизе в узкой нише IAM (Identity and Access Management) и протоколах безопасности, а также необходимостью участия в on-call ротациях 24/7.
Анализ зарплаты
Зарплата для Senior-разработчиков в Колумбии, работающих на американские компании, обычно выше локального рынка и варьируется в зависимости от опыта в узких нишах вроде Security. Указанный диапазон отражает рыночные реалии для удаленных сотрудников в Латинской Америке.
Сопроводительное письмо
I am writing to express my strong interest in the Senior Software Engineer position at Five9, specifically within the Platform Services team. With over 7 years of experience in Java development and a deep specialization in Identity and Access Management (IAM), I am confident in my ability to contribute to the evolution of your modern SaaS platform. My background includes extensive work with OAuth, SAML, and Spring Security, which aligns perfectly with your mission to provide secure and scalable infrastructure for AI-driven contact centers.
In my previous roles, I have successfully managed complex identity federations and optimized microservices for high availability. I am particularly excited about the opportunity to act as a service owner for Ping Identity and to leverage my knowledge of distributed databases like Cassandra and CockroachDB. Having worked with GCP, I understand the nuances of deploying and managing cloud-native applications and am prepared to take full ownership of production uptime and reliability.
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Описание вакансии

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.
We are actively looking for a Senior Software Engineer with experience working with Auth Systems, Security & Google Cloud Platform, to join our team. Five9 delivers market-leading up-time for its Contact Center application while constantly delivering new features and capabilities to highly demanding enterprise customers. This requires that Five9 continually enhances, updates and modernizes the Platform Services that the Contact Center Application runs on. This position requires excellent understanding of cloud software: how it's built, deployed, tested and managed.
Key Responsibilities:
- Contribute to the next generation of Five9’s modern SaaS platform, providing businesses the ability to improve customer service through the power of AI in the Contact Center.
- You will play a critical role in developing a highly available, highly-scalable and reliable infrastructure for microservices with a primary focus on developing Identity and Access management system capable of handling OAuth, Security tokens, Identity of Five9 customers, partners and citizen developers.
- You will apply your expertise of cloud computing stack, broad software technologies, and open source tools to resolve what are often considered seemingly unsolvable cloud technology platform challenges for our customers.
- Gain deep application-level knowledge of existing systems as well as contributing to their overall design.
- Dive deep into the software stack to troubleshoot and provide production support as needed.
- Work with a team of peers, share a passion for what they’re creating and pull your own weight.
Skills Required:
- You are an expert in API/Java/Spring Security, Web-Auth, SSO, SAML, OAuth, Federation, IDP & CICP with 7+ years of related experience.
- Act as service owner for Ping Identity, responsible for architecture, configuration, and management.
- Own production uptime, reliability, and performance, including SLAs/SLOs and incident response.
- Participate in 24/7 production on-call rotation, troubleshooting and resolving identity-related incidents.
- Experience in scaling and performance tuning of database queries and microservices.
- Experience with Okta IAM is a plus.
- Experience with distributed database systems like cockroach db, cassandra.
- You will apply your expertise of cloud computing stack, broad software technologies, and open source tools to resolve what are often considered seemingly unsolvable cloud technology platform challenges for our customers.
- Nice to have working experience with one of the major public cloud platforms, preferably GCP. Dive deep into the software stack to troubleshoot and provide production support as needed.
- Work with a team of peers, share a passion for what they’re creating and pull your own weight.
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.
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Навыки
- Okta
- SAML
- OAuth
- API
- SSO
- Google Cloud Platform
- Identity and Access Management
- Java
- CockroachDB
- Cassandra
- Microservices Architecture
- Ping Identity
- Spring Security
Возможные вопросы на собеседовании
Позиция требует глубоких знаний OAuth и SAML для работы с Identity-системами.
Можете ли вы объяснить разницу между OAuth 2.0 и SAML, и в каких сценариях вы бы предпочли один протокол другому?
Вакансия подразумевает владение современными распределенными БД.
С какими проблемами согласованности данных вы сталкивались при использовании CockroachDB или Cassandra в высоконагруженных системах?
Роль включает ответственность за SLA/SLO и инцидент-менеджмент.
Опишите ваш опыт участия в on-call ротациях: как вы приоритизируете задачи во время критического сбоя в системе аутентификации?
Five9 ищет эксперта в Spring Security.
Как бы вы реализовали кастомный фильтр безопасности в Spring Security для обработки специфических токенов в микросервисной архитектуре?
Упоминается работа с Ping Identity и Okta.
Каков ваш опыт миграции или интеграции различных Identity Providers (IDP) в рамках одной экосистемы?
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