Position: Senior FullStack JS Developer
Company: Kozak Group
Experience required: 3y
English level: upper

We are looking for a senior (4+ years of experience in commerce) developer to join our team with good English (B2/C1)
Our ideal candidate is a good team player, a technology enthusiast, willing to learn new stuff, self-sustained, and self-taught.

**Location**: Ukraine or Europe (Ukrainian)

**According to the project**: this is a platform that makes it possible to bequeath various crypto assets and will provide access to them only in certain cases and by decision of a notary on death of incapacity, etc.

It is s Startup in the field of **Digital Succession** or **digital legacy**.

**Frontend:**
**Tech stack: **Strong knowledge of programming base, React, Redux, RTKQuery, Typescript, REST, Socket.IO, component libraries like Antd or material UI.

**Would be a plus but not necessarily: **AWS services like S3, ci/cd pipelines, docker, building SSR apps with Next.js, building static pages with Gatsby.js, experience with GraphQL, unit testing, e2e testing.

**Backend:**
**Tech stack: **Strong knowledge of programming base, OOP, SOLID, Good knowledge of relational database theory, Node.js, Express, Nest.js, Typescript, PostgreSQL, TypeORM, Redis, REST, a wide experience of integrating 3rd party api’s, performance optimisation, db query optimisation, logging.

**Would be a plus but not necessarily:** micro services, AWS/GCP, docker, ci/cd(gitlab, bitbucket, github), RabbitMQ, Kafka, NATS, Pub/sub, distributed transactions handling(saga pattern), distrinuted transactions tracing, API level security, API testing, unit testing, integration testing, GraphQL, graphql federation.