Java, Kotlin, Nfc, Smartcards, Trusted execution environments, Cross-process communication in Android, Hardware integration on Android, Large-scale application design and architecture

Java, Distributed Systems, Python, AWS, Go, production-grade system design, PCI-DSS

Typescript, PostgreSQL, Kotlin, AWS, TimeScaleDB

S3, PostgreSQL, Redis, CloudFront, Lambda, React, Typescript, Docker, ECS, Sqs, Nestjs, Jest, AWS, Aurora, GitHub Actions, Fargate, Vitest, Prisma

Java, Apis, Version Control Systems, Automated Testing, Spring, messaging systems, CI CD pipelines, data persistence, containerized environments

Java, Linux, Python, Microservices, AI tooling

snowflake , Java, Scala, Kafka, Tableau, Sql, Google Cloud, Cloud, Restful Services, Microsoft Azure, Python, AWS, Etl, Big Query, Business Objects, Looker, Superset, Streamlit

Java, Ibm Mq, Spring Boot, Jenkins, Git, React, Typescript, Javascript, Oracle, CI CD, GitLab CI, GitHub Actions

Aws Services, Node.js, Typescript, Docker, Jest, automated testing strategies, Playwright, technical design documentation, cloud-native architecture, NoSQL databases, gRPC APIs, microservices architectures, Cypress, SQL databases

.IBM Iseries, Sql, Clle, Oracle Sql, SQL Server, MongoDB, Javascript, HTML, CSS, Agile, Waterfall, As400, Ibm Iseries, Aldon, PostgreSQL Java