Frontend Developer @ SIENN Poland

We are SIENN Living Online Technology! Let’s grow with us! Join our team and contribute to the development of an accounting system for an international client in the financial sector. You will work in a stable environment using modern technologies and CI / CD practices.

Project : Development of an advanced accounting solution for a Dutch client. Focus on scalable frontend architecture, usability, and maintainability.

Technology Stack :

React 18

TypeScript

Azure, Git

What we offer :

Attractive remuneration : B2B 14 500 – 23 000 PLN / month net (includes 26 days of paid days off)

100% remote work opportunity available

We care about our employees’ development and stability

Work in an international environment

International training and certifications (e.g., Microsoft MCP)

Continuous personal growth : defined career paths, additional training leave, and training budget

Medical package, Multisport card, life insurance, and language courses

Modern office

Knowledge sharing sessions : e.g., Agile Coffee / Agile Knowledge Sharing, Tech-Zone, Chillout Zone

A great workplace atmosphere!

Requirements :

• 5+ years of commercial experience as a Software Engineer
• 3+ years of experience in React (v16+)
• Strong proficiency in TypeScript / JavaScript
• Experience with writing tests
• Good understanding CI / CD pipelines
• Experience with Azure Cloud
• Experience with REST API’s
• Worked with the team on design, dependencies, backlog and code maintainability of a product
• Mature understanding to strike the balance between ideal and pragmatic solutions on a case-by-case basis
• Great communication skills, also in English to collaborate effectively with the team and stakeholders

Extra points for :

• Experience with work in an Agile environment
• Knowledge of Zustand store

We are SIENN Living Online Technology! Let’s grow with us! Join our team and contribute to the development of an accounting system for an international client in the financial sector. You will work in a stable environment using modern technologies and CI / CD practices.

Project : Development of an advanced accounting solution for a Dutch client. Focus on scalable frontend architecture, usability, and maintainability.

Technology Stack :
• React 18
• TypeScript
• Azure, Git

What we offer :

Attractive remuneration : B2B 14 500 – 23 000 PLN / month net (includes 26 days of paid days off)

100% remote work opportunity available

We care about our employees’ development and stability

Work in an international environment

International training and certifications (e.g., Microsoft MCP)

Continuous personal growth : defined career paths, additional training leave, and training budget

Medical package, Multisport card, life insurance, and language courses

Modern office

Knowledge sharing sessions : e.g., Agile Coffee / Agile Knowledge Sharing, Tech-Zone, Chillout Zone

A great workplace atmosphere!

Requirements : React, TypeScript, Accounting, Azure, Git, CI / CD Pipelines, Azure Cloud, API, Communication skills, Zustand store, Agile Additionally : Sport subscription, Training budget, Private healthcare, Flat structure, International projects, Ubezpieczenie na życie, Praca zdalna, Kursy językowe, Przyjazna atmosfera, Imprezy integracyjne, Free coffee, Modern office, Free snacks, Bike parking, Free parking, No dress code.