Sven Kikaš

- Migrated the internal apps from a legacy homegrown PHP framework to Laravel. - Refactored a back-end application by switching to AWS DynamoDB, PHP and GraphQL stack and reengineering the complete architecture to make the code clean, readable, scalable, and optimized for specific usage. - Built REST API backend using PHP Symfony2 with Mysql. - Extended Laravel backend with a data store API using MongoDB and Elasticsearch for full-text and semantic search features

- Designed and developed multiple RESTful APIs and GraphQL web services. - Built an animated landing page using React/Next.js. - Implemented automated testing and CI/CD pipelines. - Reduced manual testing time and increased quality. Reduced and simplified development and deployment durations. - Contributed for backend REST API service and GraphQL services using nodejs - Built a services marketplace app using Node, NestJS, Typescript, Angular.

- Worked with a React/Redux environment on a major enterprise product already in production. - Integrated charts libraries based on D3 and React. Created a new front-end app based on React and Redux. - Created a complex payment system with a combination of one-time payments and subscription billing. - Developed multiple Node.js web services using Nestjs and Mongodb. - Write the unit test and integration test using Jest, implemented CI/CD