Senior C# Backend Engineer - Home Automation & IoT

Alarm.com; Kraków; On-site; PLN 180,000 - 280,000; Full time

Benefits offered by this job

Medical care

Life insurance

Sports package

Professional development budget

Open collaboration

Job summary

Alarm.com is building a new Krakow team and seeks a Senior Software Engineer for the HAX Automation Pod. You will lead backend development, partner with Product Management and QA, and mentor engineers while shaping architectural direction.

Focus will be on backend data, APIs, and automation features with scalable, reliable designs. You will work in a collaborative environment with strong cross-team interaction, contributing to a growing IoT/SaaS platform that spans web, mobile, and backend

Qualifications

• 6+ years of professional software development experience.
• Strong backend engineering skills building HTTP APIs/services (REST/GraphQL).
• Deep knowledge of object-oriented design, SOLID principles, and design patterns.
• Experience with C#, .NET Core is a plus.
• Solid database fundamentals and data modeling.
• Experience across modern and legacy codebases.
• Proficient with Git, CI/CD, JSON/YAML, and observability tooling.
• Experience designing scalable, reliable systems.

Responsibilities

• Lead and develop software for a wide variety of platforms and technologies.
• Take part in the entire project life cycle from requirements to deployment with cross-team collaboration.
• Engage in research, evaluation, and application of new technologies and methodologies.
• Write coherent, organized code with high levels of abstraction.
• Exercise good judgment: balance speed with robust solutions.
• Work hard and be flexible with rapid development cycles and collaboration.
• Bring your ideas and contribute to product development beyond a fixed spec.

Skills

Backend engineering

REST/GraphQL APIs

C# / .NET Core

Databases/SQL

Distributed systems

Debugging/troubleshooting

Unit/integration tests

Code reviews

Education

Bachelor’s in Computer Science or Computer Engineering

Tools

Docker

Kubernetes

Kafka

Git

Job description

Alarm.com is building a new Krakow team and seeks a Senior Software Engineer for the HAX Automation Pod. You will lead backend development, partner with Product Management and QA, and mentor engineers while shaping architectural direction.

Focus will be on backend data, APIs, and automation features with scalable, reliable designs. You will work in a collaborative environment with strong cross-team interaction, contributing to a growing IoT/SaaS platform that spans web, mobile, and backend