Staff Java Backend Developer (Kotlin)

TL;DR

Staff Java Backend Developer (Kotlin): Building and optimizing backend services for diverse tech partners with an accent on identity management, cloud infrastructure, and scalable architectures. Focus on designing secure authentication/authorization systems, implementing GraphQL Federation, and mentoring junior engineers.

Location: Must be based in Portugal (requires Portuguese/EU citizenship or a valid Portuguese work permit)

Company

A consulting firm connecting experienced tech professionals with national and international partners across various industry sectors.

What you will do

• Develop high-performance backend services using Java and Kotlin.
• Implement and maintain identity management systems, including authentication, authorization, and SSO/OAuth.
• Build and manage infrastructure using Terraform, Kubernetes, and Microsoft Azure.
• Work with GraphQL Federation and Apache Kafka for efficient data orchestration.
• Mentor and coach junior engineers to drive technical excellence.
• Ensure high code quality through TDD, unit testing, and integration testing.

Requirements

• At least 10 years of professional experience in software development with Java and Kotlin.
• Strong proficiency with Micronaut or Spring Boot frameworks.
• Hands-on experience with Terraform, Kubernetes, and Azure Cloud.
• Proven track record in Identity teams (SSO/OAuth).
• Must be based in Portugal (EU citizenship or valid work permit required).
• English: B2 level fluency mandatory.

Culture & Benefits

• Health insurance and Coverflex meal card.
• Personalized support from a dedicated career coach.
• Opportunities for professional growth and career progression.
• Welcome kit for new joiners.
• Access to a broad network of international tech partners.