Ekaterina Kh.

Ekaterina Kh. — SOFTWARE ENGINEER

Expertise in Full Stack Web (5.0 yr.).

Last verified on February 08, 2024

Core Skills

JavaScript

5 yr.

Node.js

5 yr.

AWS EC2

2 yr.

Firebase

1 yr.

MongoDB

2 yr.

Bio Summary

Skilled Full Stack Developer with 5+ years of experience in software engineering, specializing in e-commerce domain. Technical proficiencies include JavaScript, TypeScript, Node.js, and Nest.js, with a strong foundation in backend development and cloud services (GCP, AWS). Expertise in building scalable applications using databases like Redis, PostgreSQL, MongoDB, and MySQL. Demonstrated success in utilizing DevOps tools such as Docker and orchestrating CI/CD pipelines with GitHub Actions. Involved in full SDLC, agile methodologies, and has contributed to complex projects by developing RESTful APIs, microservices, and optimizing application performance.

Technical Skills

Programming Languages	JavaScript, TypeScript
JavaScript Frameworks	NestJS, Node.js
Data Analysis and Visualization Technologies	Presto S3
Databases & Management Systems / ORM	AWS DynamoDB, Firebase, FireStore, MongoDB, Prisma
Amazon Web Services	AWS API Gateway, AWS CloudTrail, AWS DynamoDB, AWS EC2, AWS Lambda, AWS SAM
SDK / API and Integrations	AWS API Gateway, GraphQL
Version Control	BitBucket
Platforms	Firebase

Work Experience

Software Engineer, Resource Planning System

Duration: 06.2022 - Present
Summary: Resource planning system aimed at improving the workload planning process for different management levels.
Responsibilities: Backend development; designing PostgreSQL and Firestore database schemas; implementing REST APIs; application development from scratch; managing databases; writing Cloud Functions; scheduling DB synchronizations; developing SQL transactions; Dockerizing applications; creating API documentation; optimizing performance with caching; writing unit tests; implementing CI/CD pipelines; code review.
Technologies: JavaScript, TypeScript, Node JS, Nest JS, GraphQL, Jest, Redis, PostgreSQL, Knex, Prisma, Firebase, Docker, Docker Compose, Swagger, Git, Bitbucket

Software Engineer, Online Shop

Duration: 07.2020 – 06.2022
Summary: An e-commerce platform that enables brands to sell products online with extensive customization settings for product appearance.
Responsibilities: Backend development; developing API Gateway with GraphQL and microservices; utilizing gRPC for communication; managing MongoDB; configuring GCP storage; solving optimization problems; writing unit tests; implementing GitHub Actions for deployment; Docker configuration; API integration; code reviews and bug fixing; refactoring.
Technologies: JavaScript, TypeScript, Node JS, Nest JS, GraphQL, Cron, gRPC, MongoDB, Mongoose, Jest, GCP, Docker, Docker Compose, Git, GitHub, GitHub Actions

Software Engineer, Jewelry Online Shop

Duration: 01.2019 - 07.2020
Summary: Online shop for jewelry that allows users to register, bid, and purchase various kinds of jewelry from affordable to high-value unique pieces.
Responsibilities: Backend development; implementing a microservices architecture with an API Gateway pattern; writing proto files for gRPC; developing server applications; database management and migration; creating Docker configuration; CI/CD pipeline implementation; performance improvement with data caching; cloud function development; application deployment on AWS; writing unit tests; code refactoring.
Technologies: JavaScript, TypeScript, Node JS, Nest JS, MySQL, TypeORM, Redis, gRPC, AWS, Jest, Docker, Docker Compose, Git, GitHub, GitHub Actions

Education

Software Engineer

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