PP
Senior Java Backend Developer designing and implementing healthcare solutions based on modern security technologies for Germany. Involves developing, testing, and enhancing Java - based applications with high standards.
About the role
- Senior Back-End Developer for a fintech company developing data-oriented scalable solutions. Focus on C# and .NET, leading technical decisions and mentoring juniors in a high-availability environment.
Responsibilities
- Lead technical aspects of complex projects, supporting architectural decisions and mentoring junior and mid-level developers.
- Conduct thorough code reviews, ensuring high standards of quality, security and efficiency.
- Propose and implement structural improvements in architecture, performance and resilience.
- Apply Clean Architecture, Hexagonal Architecture and Domain-Driven Design (DDD) to ensure modularity and scalability.
- Develop and maintain robust, scalable APIs oriented to microservices.
- Implement asynchronous communication, messaging and event-driven architecture (Kafka, RabbitMQ, EventHub).
- Use resilience patterns such as Circuit Breaker, Retry, Timeout and Bulkhead to ensure availability in failure scenarios.
- Build end-to-end CI/CD pipelines with a focus on automation, testing, governance and security.
- Work with monitoring, telemetry and observability using tools such as Datadog, Prometheus, Grafana and OpenTelemetry.
- Employ AI-assisted development tools, including Cursor IDE, GitHub Copilot and intelligent automations to increase productivity.
- Model and perform tuning of SQL and NoSQL databases, analyzing performance and integrity.
- Collaborate with Product, Architecture, DevOps, Cloud and Security teams in strategic decision-making.
Requirements
- Strong command of C# and .NET.
- Practical proficiency in Domain-Driven Design (DDD), SOLID principles and Clean Code practices.
- Experience with Clean Architecture and Hexagonal Architecture.
- Experience with microservices, messaging and distributed events.
- Advanced knowledge of resilience patterns:
- Circuit Breaker (Polly or equivalent)
- Retry
- Timeout
- Fallback
- Bulkhead
- Experience with unit testing, automated tests, mocks, integration and contract testing.
- Advanced CI/CD with automated pipelines (Azure DevOps, GitHub Actions, GitLab CI, etc.).
- Solid knowledge of containers and orchestration (Docker, Kubernetes).
- Monitoring, structured logging and observability with Datadog, Prometheus, OpenTelemetry.
- Experience with generative AI tools for development (Cursor, Copilot, ChatGPT).
- Cloud (AWS or Azure) – intermediate level or higher.
- Modeling and tuning of SQL and NoSQL databases.
- Advanced versioning (Git, GitFlow or trunk-based development).
Benefits
- Flexible CAJU Benefits Card – usable for food, meal, transportation and other allowances.
- Health insurance (Bradesco).
- Dental insurance (Bradesco).
- Life insurance.
- Education incentive programs.
- English course — English Pass (partnership available to all DM employees).
- Wellhub access for fitness and wellness activities.
- DM VISA card with pre-approved credit limit.
- Day off on your birthday — a gift from DM!
- PPR (Profit Sharing Program).
- For parents: childcare allowance for children up to 6 years old.
- For parents: extended parental leave — 6 months for mothers and 20 days for fathers.
Job title
Job type
Experience level
Salary
Not specified
Degree requirement
No Education Requirement
Tech skills
Location requirements
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