Currency

Senior Software Engineer (JavaScript)

4 967 - 5 519 USDNet per month - B2B
JavaScript

Senior Software Engineer (JavaScript)

JavaScript

Remote, Poland (Remote)

HR Contact

Full-time
B2B
Senior
Remote
4 967 - 5 519 USD
Net per month - B2B

Tech stack

    Polish

    C2

    English

    C1

    JavaScript

    advanced

    React

    advanced

    TypeScript

    advanced

    CSS3

    advanced

    HTML5

    advanced

Job description

We're seeking a Senior Software Engineer (JavaScript) who is passionate about clean code, modern tools, and building new products 🤖


Create an innovative solution powered by Artificial Intelligence and Large Language Models as a:


Senior Software Engineer



💻 Company: A European MarTech, delivering cutting-edge solutions to over 2,500 brands worldwide, including BMW, Nestlé, and L’Oréal. ​


🔧Tech Stack: JavaScript (React/Typescript), HTML5, CSS3


✨ Nice to have: GitHub Copilot or VS Code


📍 Work location: Poland, remote​


 

What will your daily tasks look like?


​​📌​Build & maintain scalable applications with JavaScript (design/architecture, development, implementation, testing, and maintenance)​

📌​ Collaborate with Product designers, PMs & support to bring features to life.

📌​ Implement new features and maintain the existing database while owning code quality. (unit, integration, and other QAs tests)

📌​Create, maintain, and own code and application documentation. 

📌Assist the Support and Engineering team in debugging and troubleshooting software defects. 

📌​​Coach and mentor junior devs and help shape the processes and selection of tools. 

📌​Dive into architecture & contribute to research and specification phases with Product Managers while exploring new product ideas with the team. 


We’re looking for​:


✅ ​6+ years of practical experience in the development of commercial-grade web-based software applications using JavaScript and front-end technologies: HTML5, CSS3.

✅ Proficiency in data-driven web applications. 

✅ ​Good understanding of vanillaJS and JavaScript framework libraries (e.g., React, Vue.js).

✅ Familiarity with REST and modern tools: Webpack, Node.js, Yarn​.

✅ Strong communication & team spirit.

✅ Practical use of SOLID programming principles and SCRUM/KANBAN/AGILE workflows.

✅ Advanced English skills (spoken and written).

✨ Nice to have: GitHub Copilot or VS Code 


What do we offer?


🎖️​ ​Supportive company culture – flat structure, strong teamwork and openness to new ideas.

🎖️ ​Remote-first setup. Do you prefer slippers instead of shoes or maybe you are expecting Amazon delivery? No worries, we’ve got you covered.

🎖️ ​Private medical packages (Luxmed or Medicover) and Benefits System (multi-sport) will be covered

🎖️Freedom to influence tools, architecture, and processes.

 

Hello! I’m Olga and I am responsible for this recruitment process. If you have any questions, please feel free to reach out. I will be happy to meet you!


Ref. no: SSEJ/12/2025/P

 

Contact details:

👩‍💻 Olga Kamińska,

📧 e-mail:olga.kaminska@hrcontact.co

Tech stack

    Polish

    C2

    English

    C1

    JavaScript

    advanced

    React

    advanced

    TypeScript

    advanced

    CSS3

    advanced

    HTML5

    advanced

Office location

Published: 02.12.2025

Senior Software Engineer (JavaScript)

4 967 - 5 519 USDNet per month - B2B
Summary of the offer

Senior Software Engineer (JavaScript)

Remote, Poland (Remote)

HR Contact

4 967 - 5 519 USDNet per month - B2B
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