Senior C# Backend Engineer - Cloud-Native REST APIs

Motorola Solutions; Kraków; Hybrid; PLN 180,000 - 300,000; Full time

Benefits offered by this job

Private medical coverage

Multisport Life insurance

Employee Stock Purchase Plan

Employee Pension Plan

IP Tax Relief

Yearly salary increase

Yearly bonus

Flexible working hours

Hybrid work mode

Job summary

Motorola Solutions in Kraków seeks a skilled backend engineer to design and develop distributed services using C# and .NET, build RESTful APIs, and optimize database performance. You’ll work on cloud-native systems, participate in architecture, and mentor juniors in a hybrid work model.

The role emphasizes API integration, testing, and end-to-end delivery with strong problem-solving and collaboration within a global team.

Qualifications

• Strong experience with C# and the .NET ecosystem (.NET Core/.NET).
• Experience designing distributed, highly available systems.
• Experience developing RESTful APIs.
• Familiarity with relational and NoSQL databases.
• Experience with Git workflows and Agile development.
• Bachelor’s degree in Computer Science or related discipline; equivalent experience considered.

Responsibilities

• Design and develop distributed backend services using C# and .NET
• Build secure, scalable REST APIs
• Design data models and optimize database performance
• Integrate with third-party APIs and enterprise systems
• Develop cloud-native services and infrastructure
• Participate in architectural design and technical planning
• Write unit and integration tests to ensure software quality
• Participate in code reviews and mentor junior engineers
• Troubleshoot production issues and implement long-term solutions

Skills

C#

.NET

REST APIs

Distributed systems

Relational databases

NoSQL databases

Git workflows

Agile development

Analytical skills

Education

Bachelor’s degree in Computer Science or related discipline

Tools

Docker

Kubernetes

AWS/Azure/GCP

Terraform/CloudFormation

CI/CD pipelines

Job description

Motorola Solutions in Kraków seeks a skilled backend engineer to design and develop distributed services using C# and .NET, build RESTful APIs, and optimize database performance. You’ll work on cloud-native systems, participate in architecture, and mentor juniors in a hybrid work model.

The role emphasizes API integration, testing, and end-to-end delivery with strong problem-solving and collaboration within a global team.