**Responsibilities** \- Collaborate in leading the design of architectures for critical systems. \- Make strategic technical decisions. \- Optimize performance of transactional systems. \- Implement high availability solutions. \- Collaborate with architects on standards. \- Research and implement new technologies. \- Negotiate technical vs. business requirements. \- Manage technical debt. **Requirements** \- Bachelor's or professional degree in Systems Engineering or related field. \- Minimum of 5 years of experience. \- At least 3 years of experience in the banking sector. \- Solid proficiency in at least one backend language (Java, Node.js, etc). \- Experience with corresponding frameworks (Spring, .NET, Express, Django/Flask). \- Knowledge of relational databases and schema design. \- Experience integrating external APIs. \- Familiarity with common design patterns. \- Experience with authentication protocols (OAuth 2\.0, JWT). \- Intermediate knowledge of cloud platforms (AWS, Azure, GCP). \- Implementation of well-structured RESTful APIs. \- Experience with microservices. \- Experience with API Gateway and API HUB. \- Experience with message queue technologies (RabbitMQ, Kafka, Azure Event Hub). \- Basic implementation of caching (Redis, Memcached). \- Collect, instrument, and export telemetry data (metrics, logs, traces). \- Handle database transactions. \- Basic experience with optimized SQL queries. \- Generate basic audit logs. \- Basic knowledge of containers (Docker). \- Securely implement authentication and authorization. \- Basic understanding of OWASP Top 10\. \- Experience with input data validation. \- Secure handling of credentials and tokens. \- Basic knowledge of encryption and hashing. \- Prevent SQL injection. \- Implement TLS/SSL. **Benefits** \- Full payroll benefits. \- Growth opportunities. \- Positive work environment. Job type: Full-time Salary: Up to S/.7,500\.00 per month Application questions: * Do you have an advanced level of proficiency in languages such as Java and Node.js, as well as frameworks like Spring and .NET? * Have you designed and implemented robust RESTful APIs and integrations with external systems using microservices architecture and API Gateway? * Have you applied authentication mechanisms such as OAuth 2\.0 and JWT in your projects? * Have you worked with relational databases, optimized SQL queries, transactions, and ETL packages such as those from SQL Server Integration Services (SSIS)? Work location: On-site