Senior Azure API & Serverless Engineer — Hybrid

Randstad Polska Sp. z oo; Kraków; Hybrid; PLN 190,000 - 340,000; Full time

Benefits offered by this job

Hybrid work model

6-month contract with extension

B2B model

Job summary

Randstad Polska Sp. z oo seeks an experienced API Developer to engineer robust, enterprise-grade integrations on a scalable Microsoft Azure ecosystem. You will architect, build, and secure event-driven serverless APIs using Azure Functions, Azure Service Bus, and APIM.

With 7+ years of Azure experience, you will design scalable solutions, ensure observability with Application Insights, and collaborate with cross-functional teams to drive architectural decisions and best practices.

Qualifications

• 7+ years of hands-on software development on Microsoft Azure.
• Proven track record building enterprise integrations using Azure Functions and Azure Service Bus.
• Experience configuring and managing endpoints via Azure API Management (APIM).
• Hands-on expertise using Application Insights for monitoring and tracing.
• Strong unit and integration testing practices.

Responsibilities

• Design, build, and maintain scalable APIs and event-driven backends on Azure Functions.
• Implement decoupled integration between distributed enterprise systems using Azure Service Bus.
• Configure and govern API endpoints and security policies in APIM.
• Monitor performance with Application Insights and drive telemetry-based optimizations.
• Write clean, testable code with comprehensive unit/integration tests.
• Collaborate with stakeholders and engineering teams to deliver architectural recommendations.

Skills

Azure expertise

Serverless & messaging

API Management

Application Insights

Testing discipline

Problem solving

Communication & stakeholder management

Collaborative mindset

Tools

Azure Functions

Azure Service Bus

Azure API Management

Job description

Randstad Polska Sp. z oo seeks an experienced API Developer to engineer robust, enterprise-grade integrations on a scalable Microsoft Azure ecosystem. You will architect, build, and secure event-driven serverless APIs using Azure Functions, Azure Service Bus, and APIM.

With 7+ years of Azure experience, you will design scalable solutions, ensure observability with Application Insights, and collaborate with cross-functional teams to drive architectural decisions and best practices.