Position: Strong Junior/Middle Backend developer (2-3 weeks)
Company: 42flows.tech
Category: Node.js
Experience required: 2y
English level: intermediate

42flows.tech — Ukrainian company that specializes in creating banking and fintech solutions: from integrations between banking, fintech, and big tech company's implementation of middleware and API layers to building neobanks from scratch. We are looking for a Middle Backend developer, for part-time, 2–3 weeks. Need help with banking project and outsourcing project. Cooperation provides for the possibility of cooperation in the future if additional assistance is needed.

Requirements:
- 2+ years of commercial experience with Node.js (Nest.js);
- Technical understanding of web technologies such as modern - -- JavaScript (Core, Performance), HTTP, REST API;
- Experience with TypeScript;
- Experience with RDBMS (MySQL, PostgreSQL, etc.) — (db instruments and stored procedure);
- NoSQL (MongoDB, Redis, etc.)
- ORM (Sequelize, Mongoose, etc.)
- Database design (DB Normalization, Denormalization
- Good technical knowledge of Design patterns, OOP, and Development principles;
- Intermediate English

Responsibilities:
- Work on bug fixing and improving application performance
- Collaborating with other departments in order to increase the quality of the app
- Help with defining requirements and estimations

Well be a plus:
- Technical understanding of AWS, API Gateway, Lambdas, ECS, and Fargate;
- Experience with Docker;
- Understanding of Scrum process.

What we offer for this vacancy:
- Fast hiring process
- Salary paid on time
- Clearly assigned tasks