Microservices Platform
Backend development within a microservices architecture in the Global Business Services division. The platform consists of multiple NestJS-based services running as AWS Lambda functions, communicating via EventBridge. Key focus areas include migrating customer data from external systems to the internal platform, implementing new backend endpoints for existing frontends, and optimizing database access patterns. Ensuring data integrity and consistency during ongoing migration processes. Close collaboration with internal stakeholders and cross-functional development teams in agile workflows.
Tasks
- Development and implementation of backend endpoints with NestJS and Fastify
- Migration of customer data from external systems to the internal platform
- Implementation and optimization of database access (TypeORM, PostgreSQL)
- Ensuring data integrity and consistency during migration
- Development and maintenance of AWS Lambda functions and infrastructure (CDK)
- Integration of AWS services (EventBridge, S3, SQS, Secrets Manager)
- Creation and maintenance of API specifications (OpenAPI/Swagger)
- Technical coordination with internal stakeholders and development teams
- Code reviews and quality assurance
- Unit and integration testing with Jest
Web Application
Development of a management console for controlling and monitoring data flows into a datalake for an AI FinTech company. The solution is based on a serverless AWS architecture and provides a real-time interface via GraphQL. Independent design of the entire serverless architecture on AWS from the ground up.
Tasks
- Design and setup of AWS components
- Implementation of the management console with React and Redux
- Creation of GraphQL schemas and functions with AWS Amplify
- Integration and testing of data sources (RSS, Twitter, web crawler)
- Design of the serverless system architecture