Full Stack Developer

ITFS Sp. z o.o.nofluffjobspublished 09/17/2026

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Must-have:TypeScriptPythonHTMLCSSReactAzureFrontendBackendFullstackSeniorPrincipal

Machine translation — original language: Polish.Show original

POSITION: Full Stack Developer

Work location: 100% remote

Start: ASAP

Cooperation form: B2B with ITFS

Rate: 140-160 PLN/h + VAT

Recruitment process: Short phone call with an ITFS recruiter -> Technical interview -> Technical interview with the Client -> Decision.

Daily tasks

Designing and developing the application layer of the solution for Group Reporting and Solvency II processes,
Creating a modern front-end in React and TypeScript,
Implementing user interfaces using HTML/CSS and Material UI,
Designing and developing the back-end in Python and FastAPI,
Building REST API and integrating the application layer with data and reporting solutions,
Developing applications using Databricks Apps,
Implementing workflow and system-enabled controls,
Integrating applications with authorization and authentication mechanisms used in enterprise environments,
Implementing and configuring OAuth 2.0, SSO, and user/service-principal authentication,
Working with RBAC and access control for functionalities and data,
Ensuring secure and controlled access to applications for different user groups.

Requirements

Min. 4 years of experience as a Full Stack Developer (Senior level),

Practical industry experience in the insurance or financial sector,

Very good knowledge of React and TypeScript,

Very good knowledge of Python and experience with FastAPI,

Good knowledge of HTML/CSS,

Experience with UI component libraries, e.g., Material UI,

Practical experience in building and integrating REST API,

Experience in implementing security mechanisms for enterprise applications, including OAuth 2.0, SSO, user authentication, service-principal authentication, and RBAC,

Experience in creating applications with controlled user access and different permission levels,

Experience working with cloud solutions, preferably Azure,

Practical experience with Databricks Apps in the application layer,

Very good knowledge of English at a minimum C1 level.

Nice to have:

Experience in integrating applications with Databricks,

Experience in an Azure + Databricks environment,

Knowledge of Solvency II and regulatory reporting,

Experience with CCH Tagetik,

Experience in projects requiring a high level of security, auditability, and access control.

Must have: React, TypeScript, Python, Azure, REST API, FastAPI