Senior .NET Lead: Microservices Architect on OpenShift

act digital EMEA - Alter Solutions; Polska; On-site; PLN 227,000 - 324,000; Full time

Benefits offered by this job

Healthcare coverage

Relocation support

Multisport card

WellBee program

Education & training subsidies

Bonuses for referrals

Job summary

act digital Polska is seeking a senior C#/.NET developer with at least 5+ years of experience and 2+ years in a lead role. You will design microservices and migrate a monolithic app to scalable services running on OpenShift, communicating with Angular via REST APIs.

You will work with Azure or AWS, Azure DevOps/CI/CD, Kafka, and SQL/NoSQL, focusing on robust, observable systems and well-documented code. This is a B2B role with competitive perks.

Qualifications

• 5+ years as Senior Developer (C#, .NET).
• 2+ years in a Lead role.
• Experience with microservices, architectural patterns and DDD.
• REST APIs / WebSockets and cloud exposure (Azure or AWS).
• Kafka, event-driven architecture and asynchronous messaging.
• SQL/NoSQL and distributed data management.
• Automated unit/integration testing and monitoring tooling.

Responsibilities

• Design and implement microservices and decompose monoliths.
• Develop scalable backend services with C#/NET and REST/WebSockets.
• Collaborate with frontend teams and ensure performance and scalability.
• Conduct code reviews, document, and analyze business requirements.

Skills

C#

.NET

Microservices

REST/WebSockets

Kafka

Asynchronous messaging

SQL/NoSQL

JWT/OAuth2

CI/CD

Azure/AWS

Azure DevOps

OpenShift

Monitoring/Logging

Prometheus/Grafana/ELK

Tools

Azure

AWS

Job description

act digital Polska is seeking a senior C#/.NET developer with at least 5+ years of experience and 2+ years in a lead role. You will design microservices and migrate a monolithic app to scalable services running on OpenShift, communicating with Angular via REST APIs.

You will work with Azure or AWS, Azure DevOps/CI/CD, Kafka, and SQL/NoSQL, focusing on robust, observable systems and well-documented code. This is a B2B role with competitive perks.