Currency

Back-End Software Engineer (mid)

4 123 - 4 948 USDGross per month - Permanent
JavaScript

Back-End Software Engineer (mid)

JavaScript

Grunwaldzka, Gdańsk

KUBO

Full-time
Permanent
Mid
Remote
4 123 - 4 948 USD
Gross per month - Permanent

Tech stack

    English

    C1

    Polish

    B2

    Node.js

    advanced

    TypeScript

    advanced

    JavaScript

    advanced

    MongoDB

    regular

    RESTful API

    junior

    AWS

    junior

    Docker

    junior

    Kubernetes

    junior

    Redis

    nice to have

    Kafka

    nice to have

Job description

Are you passionate about software development and excited to shape the future of digital marketing? Join our client’s team where passion, trust, security, innovation, customer focus, and respect for everyone guide everything they do. Work on a next-generation marketing platform that reaches thousands of users worldwide, solve challenging problems with cutting-edge cloud and data technologies, and see your ideas make a real impact. Ready to take your career to the next level? Read on and apply today!


Key responsibilities


  • Design, develop, and maintain scalable server-side applications using Node.js and TypeScript.

  • Build and integrate RESTful APIs and GraphQL endpoints.

  • Participate in system architecture discussions and technical design reviews.

  • Write and maintain unit, integration, and end-to-end tests to ensure quality.

  • Debug and optimize applications for performance and reliability.

  • Collaborate with cross-functional teams including product, design, and frontend engineers.

  • Contribute to documentation, code reviews, and knowledge sharing within the team.


Ideal candidate profile


  • 3+ years of professional software development experience.

  • Strong proficiency in Node.js, JavaScript (ES6+), and TypeScript.

  • Experience with Nest.js or a similar Node.js framework.

  • Solid understanding of databases such as MongoDB, Redis, MySQL or similar.

  • Familiarity with RESTful API design, testing frameworks (Jest), and CI/CD practices.

  • Experience working with AWS and containerization (Docker, Kubernetes).

  • Knowledge of GraphQL, message queues (Kafka, Kinesis), and data tools (Snowflake).

  • Strong analytical and problem-solving mindset, with excellent communication skills.

  • Nice to have: experience with Java or Scala, serverless architectures, or monitoring tools (Loki, Datadog, Kibana).


Conditions


  • Location: Gdańsk (Remote or hybrid work available)

  • Work Model: Flexible (remote/hybrid)

  • Employment Type: Regular employment

  • Salary: 15-18 000


Recruitment steps


  1. Initial call with a KUBO recruiter

  2. HR call with the client's team

  3. 90-minutes technical interview (including coding)

  4. Decision and feedback

Tech stack

    English

    C1

    Polish

    B2

    Node.js

    advanced

    TypeScript

    advanced

    JavaScript

    advanced

    MongoDB

    regular

    RESTful API

    junior

    AWS

    junior

    Docker

    junior

    Kubernetes

    junior

    Redis

    nice to have

    Kafka

    nice to have

Office location

Published: 20.10.2025

Back-End Software Engineer (mid)

4 123 - 4 948 USDGross per month - Permanent
Summary of the offer

Back-End Software Engineer (mid)

Grunwaldzka, Gdańsk

KUBO

4 123 - 4 948 USDGross per month - Permanent
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