Senior Full-Stack Engineer: Azure Cloud & API Leader

ITConnect; Warszawa; Hybrid; PLN 180,000 - 260,000; Full time

Job summary

ITConnect seeks a Senior Full Stack Engineer to develop a web portal, a mobile-ready site, backend APIs, and integration services in Azure. You will work across frontend and backend streams, collaborating with stakeholders and data teams to deliver secure solutions in a regulated environment.

You will build responsive apps with React/Angular and TypeScript on the frontend and C#/.NET on the backend, design REST APIs, and implement data transformations.

Qualifications

• Experience building web portals, mobile-ready websites, and backend APIs.
• Strong hands-on capability across frontend and backend.
• Experience designing REST APIs, working with JSON, and data transformation.

Responsibilities

• Develop and maintain responsive web applications using React and/or Angular with TypeScript.
• Design, build, and operate backend services and REST APIs using C# and .NET on Azure
• Implement API integrations, JSON processing, and data transformation across enterprise and data platforms
• Integrate applications with Azure Databricks and data APIs
• Build secure cloud solutions using Azure Functions, App Service, API Management, Storage, Key Vault, and Entra ID
• Create unit, integration, and automated tests, and contribute to CI/CD using GitHub actions
• Monitor and troubleshoot applications using Application Insights, structured logging, and operational diagnostics
• Strong full stack development experience combining React and/or Angular with TypeScript on the frontend and C#/.NET on the backend
• Practical experience designing and integrating REST APIs, working with JSON, and implementing data transformation logic
• Hands-on experience with Azure Functions, App Service, API Management, Storage, Key Vault, and Entra ID
• Good SQL skills and basic experience with NoSQL databases
• Experience integrating applications with Azure Databricks and data APIs
• Strong understanding of unit, integration, and automated testing practices
• Experience implementing CI/CD using GitHub actions
• Working knowledge of Docker and container fundamentals
• Experience with Application Insights, logging, monitoring, and production troubleshooting
• Ability to contribute across frontend and backend workstreams, including web portals, mobile-ready websites, APIs, and integration services
• Understanding of secure application development and cloud-based identity and access management
• Experience working in regulated environments with strong compliance and quality requirements as plus

Skills

React

Angular

TypeScript

C# / .NET

Azure

REST APIs

CI/CD

GitHub Actions

Testing

Application Insights

Docker

SQL

NoSQL

Azure Databricks

Azure Functions

App Service

API Management

Key Vault

Entra ID

JSON processing

Data transformation

Logging

Monitoring

Tools

Docker

Azure Databricks

API Management

Key Vault

Entra ID

Azure Functions

App Service

Storage

Job description

ITConnect seeks a Senior Full Stack Engineer to develop a web portal, a mobile-ready site, backend APIs, and integration services in Azure. You will work across frontend and backend streams, collaborating with stakeholders and data teams to deliver secure solutions in a regulated environment.

You will build responsive apps with React/Angular and TypeScript on the frontend and C#/.NET on the backend, design REST APIs, and implement data transformations.