Senior Java Developer
We are:

Wizeline, a global AI-native technology solutions provider, develops cutting-edge, AI-powered digital products and platforms. We partner with clients to leverage data and AI, accelerating market entry and driving business transformation. As a global community of innovators, we foster a culture of growth, collaboration, and impact.

With the right people and the right ideas, there´s no limit to what we can achieve.
Are you a fit?

Sounds awesome, right? Now, let´s make sure you´re a good fit for the role:

We are looking for a Senior Java Developer to design, build, and scale high-performance backend systems in a modern, cloud-native environment. In this role, you will work on distributed, mission-critical applications, collaborate with cross-functional teams, and contribute to architectural decisions that impact product scalability, reliability, and performance.
Key Responsibilities
- Design, develop, and maintain scalable, high-performance backend services using Java (11/17/21) and Spring Boot.
- Build and evolve RESTful APIs and microservices following best practices for reliability, security, and maintainability.
- Design and support distributed systems and microservices architectures, leveraging Docker, Kubernetes, and service mesh patterns (e.g., Istio).
- Collaborate with DevOps and platform teams to implement and improve CI/CD pipelines, deployment strategies, and environment management.
- Optimize application performance through profiling, monitoring, and tuning of memory, concurrency, and data processing.
- Ensure high code quality through unit, integration, and automated testing.
- Participate in architectural discussions and provide technical guidance to peers.
- Troubleshoot production issues and contribute to continuous system improvements.

Must-have Skills
- Bachelor´s Degree in Computer Science, Engineering, or a related field.
- 5+ years of professional experience as a Java Developer or Backend Engineer.
- Advanced knowledge of Java (11/17/21), including multithreading, concurrency, memory management, and performance optimization.
- Strong experience with Spring Framework and Spring Boot, including Spring Data/JPA.
- Hands-on experience designing and maintaining microservices-based architectures.
- Proficiency with Docker and Kubernetes, including deployment and orchestration concepts.
- Solid understanding of CI/CD pipelines (e.g., Jenkins), automated testing, and release management.
- Experience working in cloud environments such as AWS or Azure.
- Strong background in unit and integration testing using JUnit, Mockito, or similar frameworks.
- Experience defining performance metrics, identifying bottlenecks, and resolving scalability issues.
- English level: Advanced / Fluent (spoken and written).

Nice-to-have
- AI Tooling Proficiency: Ability to leverage AI tools to optimize day-to-day work, including code generation, debugging, documentation, analysis, or process automation. Identify opportunities to improve developer productivity using AI.
- Experience with monitoring and observability tools such as Prometheus and Grafana.
- Knowledge of advanced deployment strategies (blue/green, canary, rolling updates).
- Exposure to event-driven architectures or messaging systems (Kafka, RabbitMQ).
- Experience working in agile or DevOps-oriented teams.

What we offer
- A High-Impact Environment
- Commitment to Professional Development
- Flexible and Collaborative Culture
- Global Opportunities
- Vibrant Community
- Total Rewards

*Specific benefits are determined by the employment type and location.