Senior Backend Developer

4 months ago

Remote, PortugalSenior

Responsibilities

Design and develop scalable, maintainable backend solutions and services.
Build backend APIs and capabilities for AI-powered experiences, Contact Center orchestration and routing, and Agent and Supervisor products.
Contribute to subsystem architecture, service design, technical specifications, and API contracts.
Improve system performance, scalability, reliability, and operational efficiency.
Write unit and integration tests and support end-to-end quality.
Troubleshoot and resolve production issues.
Review code, mentor engineers, and improve engineering standards.
Collaborate with Product, Data Science, frontend, and backend teams on requirements and technical solutions.
Document software designs, implementation approaches, and operational considerations.

Bachelor’s degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience.
At least 5 years of backend software development experience.
Strong experience with backend languages such as Java, C#, C/C++, Kotlin, .NET, or similar.
Strong understanding of backend architecture, service design, API design, integration patterns, and performance optimization.
Experience with SQL and/or NoSQL databases, including schema design and data access patterns.
Understanding of how backend services integrate with AI and ML components.
Experience building complex product capabilities beyond simple CRUD services.
Strong problem-solving skills, engineering judgment, and comfort operating in production environments.
Ability to work from broad requirements and contribute to subsystem technical specifications.
Effective cross-functional collaboration and strong written and verbal communication skills.
Experience working in an Agile environment such as Scrum or Kanban.
Preferred experience with AI-powered products, intelligent assistants, routing systems, insight-generation platforms, distributed systems, event-driven architectures, real-time backend patterns, Azure, AWS, DevOps practices, and leading backend initiatives.

Primarily remote work with occasional visits to the Coimbra or Aveiro office.
A future Porto office is planned, with in-person collaboration and teamwork opportunities.

1,001-5,000 employees