Node.js TypeScript Back End Engineer (вакансія неактивна)

2+ years of experience in Back end engineering
Strong JavaScript (ES6+) and Node.js (10+) knowledge (context, arrow functions, data types, promises, synchronous and asynchronous nature of JS, streams)
Proficiency in TypeScript (background of strongly typed languages like C#, Java would be a plus)
Strong knowledge of SQL (MySQL)
Experience in working with Sequelize ORM
Knowledge of OOD, OOP principles and design patterns
Experience in integrating third-party APIs into the project
Familiarity with event-driven architecture principles, microservices
Basic knowledge of Git, Docker, docker-compose
Experienced in reviewing and debugging code
Analytical skills
Research and problem solving skills
Able to work without supervision while staying on task
Upper-intermediate English level (must)

Knowledge of or experience in working with column-oriented databases (especially ClickHouse)
Experience with Message brokers (RabbitMQ particularly)
Experience in working with Big data
Experience with Agile / Scrum environment and issue management software, such as Jira or YouTrack

We offer:
— Flexible working hours
— Remote-friendly environment
— Comfortable modern office in Kyiv
— Team of like-minded people who love what they do
— Opportunities to develop and grow
— No-bureaucracy culture: questions are resolved quickly, opportunity to influence processes with your ideas
— Decent remuneration

Solve business logic layer problems and implement solutions in code
Learn and research concepts, terminology and basic rules of Amazon Advertising and its API to better analyse business problems and deliver higher quality solutions to them
Develop code in TypeScript
Develop event-driven and synchronous solutions in microservice architecture
Design and develop REST APIs for our in-house software, like: API facades to access our proprietary Amazon Advertising tools; Admin panels functionality
Create new microservices that provide solutions for business problems
Write efficient SQL queries for data aggregation, filtering, sorting to display it on data tables, charts, dashboards, reports
Maintain existing SQL queries
Develop new and improve existing API client libraries (SDKs) to communicate with external (3rd party) services
Develop features with performance, scalability and maintainability in mind
Maintain existing back end solutions, improve it and fix arising issues
Contribute to architectural design discussions
Provide input and estimates for planning
Improve performance of the application
Develop and improve data access layer of the application
Improve project architecture
Suggest and integrate new back end technologies to improve development process and application architecture
Be involved in all phases of software development life cycle: from requirements gathering, problem analysis, solution design and development, testing, integration, and production support