callstack

Callstack in Wroclaw, Poland, is seeking an IT Security Officer who will take ownership of day-to-day security and infrastructure operations.You’ll protect systems, devices, identities, and data, while supporting employees and continuously improving security processes across the company.This role blends hands-on cybersecurity with incident response,...

We don’t follow best practices, we set them!Callstack supports and inspires top industry leaders to ship better digital products and services to their users. We are a team of high-level experts in cross-platform development and consultancy. We co-create the technology, collaborate with the Meta team on setting the direction for the future growth of the...

Brand & Marketing Designer13 250 - 17 750 PLNNetto miesięcznie - B2B11 000 - 14 500 PLNBrutto miesięcznie - UoP9. Brand & Marketing Designer# Brand & Marketing DesignerDesign### Znajomość języków#### Angielski: C1#### Polski: C2### Mile widziane#### web development#### webflow### Lokalizacja biuraOferta dodana: 06.05.2026### Opis stanowiska***We...

Salary: 20 000 - 30 000 PLN net + VAT (B2B)Callstack supports and inspires top industry leaders in shipping better digital products and services to their users. We are a team of high-level experts in cross-platform development and consultancy. We co-create the technology, collaborate with the Meta team on setting the direction for the future growth of the...

Salary: 20 000 - 30 000 PLN net + VAT (B2B)Callstack supports and inspires top industry leaders in shipping better digital products and services to their users. We are a team of high-level experts in cross-platform development and consultancy. We co-create the technology, collaborate with the Meta team on setting the direction for the future growth of the...

Job descriptionCallstack is a cross-platform and AI-native technology company working with some of the world’s leading brands to build better digital products and services.We’re known for pushing the React Native ecosystem forward - from co-founding the React Foundation and contributing to Open Source to organizing React Universe Conf, Agent Conf, and...

Job descriptionSalary: 20 000 - 30 000 PLN net + VAT (B2B)Callstack is a cross-platform and AI-native technology company working with some of the world’s leading brands to build better digital products and services.We’re known for pushing the React Native ecosystem forward - from co-founding the React Foundation and contributing to Open Source to...

Job descriptionSalary: 21 000 - 35 000 PLN net + VAT (B2B)Callstack is a cross-platform and AI-native technology company working with some of the world’s leading brands to build better digital products and services.We’re deeply rooted in the React and React Native ecosystem - as core contributors, Open Source creators, and co-founders of the React...