• Develop and maintain efficient, secure, and scalable back-end systems with a focus on quality and performance; • Design resilient solutions following architectural best practices, such as microservices and hexagonal architecture; • Build APIs and microservices using Kotlin, Java, and Spring Boot; • Work with continuous integration and continuous delivery (CI/CD) and infrastructure as code in cloud environments, primarily AWS; • Ensure code quality through automated testing (TDD, JUnit, Mockito, TestContainers) and technical reviews; • Participate in defining and evolving system architecture, messaging patterns (Kafka, RabbitMQ), and event-driven solutions (EDA, CQRS, Sagas); • Monitor application performance, availability, and security with a focus on observability; • Lead technical initiatives, mentoring less experienced engineers and collaborating with multidisciplinary teams (product, QA, design);

• Responsible for creating and/or maintaining the application's graphical features; primary responsibilities include development, integration, maintenance and testing of screens. • Design, implement and maintain backend applications using Java Spring Boot and Python. • Create and consume REST APIs following best practices for design, security and scalability. • Develop and sustain microservices-based solutions and distributed applications, ensuring high availability and low latency. • Integrate and manage message flows using services such as Kafka, SQS and SNS. • Build and manage applications on AWS Cloud using services like RDS MySQL, DynamoDB, Lambda, ECS Fargate, ElastiCache Redis, API Gateway, EventBridge, Secrets Manager, KMS, and others. • Implement optimized and secure solutions to meet large-scale and data-processing demands. • Work with Docker for containerization and use Kubernetes for orchestration and management of distributed environments. • Write and maintain unit tests to ensure code reliability. • Contribute to the implementation of quality best practices and test coverage. • Configure, monitor and maintain CI/CD pipelines using tools such as CodeCommit, CodePipeline and CodeBuild. • Automate integration, testing and continuous delivery processes to increase delivery efficiency. • Collaborate within agile teams applying Scrum, Kanban or other agile methodologies. • Promote a DevOps culture, contributing to automation, integration and continuous delivery. • Perform evolutionary and corrective maintenance on existing systems, proposing improvements to increase efficiency and reduce complexity. • Monitor application performance and implement proactive improvements. • Participate, when necessary, in frontend interface development using Angular Microfront-End for integration with backend solutions.

• Assist in building and maintaining backend services and APIs that support core product features. • Work with PostgreSQL databases to help model data, write queries, and support reliable data pipelines. • Help integrate AI and LLM-based capabilities into backend workflows, including prompt development and API integrations. • Support the development of services that enable AI-powered features within our healthcare platform. • Collaborate with frontend engineers, product managers, and designers to help deliver end-to-end features. • Write clean, well-documented, and tested code while learning backend engineering best practices. • Participate in code reviews, debugging, and system improvements with guidance from senior engineers.

• Play a critical role in expanding our infrastructure and APIs • Analyze tough customer problems and come up with great designs • Design, develop, and maintain scalable systems and well-tested features • Design and implement services that are reliable, high-quality, performant, and sustainable • Work with our business team to build great user stories and designs from ambiguous requirements • Occasionally wear many hats due to smaller team size, working on everything from design to deployments