Software Architect

Join us in bringing joy to customer experience. Keystone AI 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. Overview We are seeking a highly skilled Software Architect to design and guide the development of cloud-native, scalable, and resilient microservices. The ideal candidate will have deep technical expertise in distributed systems, event-driven architectures, and modern data platforms, and will play a critical role in setting the technical direction and architecture strategy for backend systems. Key Responsibilities Architect end-to-end solutions for cloud-native applications with a strong focus on scalability, availability, performance, and security. Design and oversee the development of microservices architectures, ensuring clean service boundaries, loose coupling, and high maintainability. Define and guide the adoption of message queueing and streaming platforms (e.g., Kafka, Redis Streams, RabbitMQ) for event-driven communication and real-time processing. Architect and optimize data storage solutions, including distributed databases (e.g., Citus, PostgreSQL, Snowflake) to meet high availability and scalability requirements. Collaborate with engineering teams to define architecture blueprints, reference implementations, and technical standards. Perform architecture reviews, provide hands-on technical guidance, and ensure adherence to best practices in code quality, testing, observability, and security. Evaluate new technologies, frameworks, and tools; recommend and drive technology adoption aligned with long-term architectural goals. Work closely with DevOps, SRE, and security teams to ensure efficient CI/CD, infrastructure automation, and secure system design. Provide architectural support for customer-facing issues, performance bottlenecks, and production incidents. Advocate for domain-driven design (DDD), API-first design, and event-driven patterns across the engineering organization. Minimum Qualifications 10+ years of experience in software development, with 3+ years as a Software Architect or in a similar architectural leadership role. Proven experience in designing and deploying cloud-native applications using AWS, Azure, or GCP. Strong knowledge of microservices patterns, REST/gRPC APIs, and asynchronous communication. Hands-on experience with streaming and messaging platforms such as Apache Kafka, Redis Streams, RabbitMQ, or Amazon Kinesis. Expertise in distributed databases like Citus, Snowflake, PostgreSQL, Cassandra, or similar. Solid understanding of containerization and orchestration (e.g., Docker, Kubernetes, Helm). Familiarity with DevOps practices, including infrastructure as code (e.g., Terraform) and CI/CD pipelines. Experience with monitoring and observability tools such as Prometheus, Grafana, Datadog, ELK stack. Strong focus on scalability, performance tuning, reliability, and security best practices in architecture. Preferred Qualifications Bachelor’s or Master’s degree in Computer Science, Engineering, or a related technical field. Experience with event sourcing, CQRS, or real-time data processing architectures. Familiarity with data pipelines, ETL workflows, and big data platforms. .net experience. Understanding of multi-tenant SaaS architectures and compliance requirements (e.g., GDPR, SOC2). Prior experience with technical mentoring, code reviews, and engineering process improvements. Why Keystone AI At Keystone AI, we believe that technology is only as powerful as the people behind it. You’ll be part of a team that values collaboration, innovation, and accountability, and you’ll have the opportunity to make a meaningful impact on how global enterprises engage with their customers. Keystone AI 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. Keystone AI 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: Keystone AI will never request that an applicant send money as a prerequisite for commencing employment with Keystone AI.