Senior Node.js Software Engineer

ZEN; Kraków; Remote; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Future career opportunities with international exposure

Supportive and diverse environment that allows employees to thrive and learn

Supportive environment

Learning culture

Job summary

A financial technology company seeks a Senior Node.js Software Engineer to join their team in Krakow, Rzeszów, or remotely. The role requires at least 4–5 years of programming experience with strong knowledge of Node.js and web protocols. Responsibilities include developing API microservices, contributing to the fintech app, and creating new products. This supportive environment offers future career opportunities with international exposure, fostering a culture of learning and growth.

Qualifications

• At least 4–5 years of experience in programming.
• Good knowledge of Node.js.
• Understanding of Node.js internals.
• Very good understanding of web protocols like HTTP, JSON-RPC, REST.
• Knowledge of architecture design patterns.
• Experience in GIT version control system.
• Experience in MongoDB, MsSQL, and Redis.
• Experience in RabbitMQ (AMQP).

Responsibilities

• Developing and maintaining API microservices created with Node.js.
• Contributing to developing the ZEN.COM fintech app.
• Gathering and sharing knowledge across the team.
• Producing top quality source code.
• Creating new products and developing existing ones.
• Working on new functionalities based on requirements and thorough system analysis.

Skills

Node.js

Web protocols (HTTP, JSON-RPC, REST)

GIT

MongoDB

MsSQL

Redis

RabbitMQ (AMQP)

Tools

Node.js

MongoDB

MsSQL

Redis

RabbitMQ (AMQP)

Git

HTTP

JSON-RPC

REST

Job description

ZEN.COM is a smart financial app designed for your everyday life – at home and on the go. We make payments, online shopping, and personal finance management fast, secure, and effortless. With ZEN, you can enjoy cashback on purchases, full control over your spending, and peace of mind thanks to purchase protection. A built-in multi-currency account lets you spend abroad or shop internationally with great exchange rates and no hidden fees.

We are looking for a Senior Node.js Software Engineer to join our team in Krakow, Rzeszów or Remotely. If you are looking for challenging projects in a start-up environment with high autonomy and ownership, this offer is for you.

Requirements:

At least 4–5 years of experience in programming.

Good knowledge of Node.js.

Understanding of Node.js internals.

Very good understanding of web protocols like HTTP, JSON-RPC, REST.

Knowledge of architecture design patterns.

Experience in GIT version control system.

Experience in MongoDB, MsSQL, and Redis.

Experience in RabbitMQ (AMQP).

Responsibilities:

Developing and maintaining our API microservices created with Node.js.

Contributing to developing the ZEN.COM fintech app.

Gathering and sharing knowledge across the team.

Producing top quality source code.

Creating new products and developing existing ones.

Working on new functionalities based on requirements and thorough system analysis.

What We Offer:

Future career opportunities with international exposure

A supportive and diverse environment that allows our employees to thrive and learn