Senior .NET Backend Engineer - High-Scale IoT

Allegro; Warszawa; Hybrid; PLN 163,000 - 232,000; Full time

Benefits offered by this job

Well-located offices

Laptop provided

Cafeteria plan benefits

English classes

Training budget

Volunteer day

Social events

Job summary

Allegro Tech is seeking a backend engineer to design and scale high‑performance services powering the OneBox network from Warsaw. You’ll own components from architecture to deployment, building reliable systems used by millions of parcels daily.

Join a hybrid work environment with modern tech like C#, .NET Core, ASP.NET, REST, PostgreSQL, Redis, Docker and Kubernetes. Enjoy generous benefits and opportunities to grow within Allegro Tech.

Qualifications

• Solid proficiency in C# and .NET Core / ASP.NET for building reliable backend systems and REST APIs.
• Relational database experience with PostgreSQL; caching with Redis and basic performance tuning.
• Cloud-native tooling with Docker and Kubernetes; familiarity with large IoT device networks is a plus.
• Fluent Polish and English (at least B2); willingness to take end-to-end ownership and mentor peers.

Skills

C#

.NET Core

ASP.NET

REST APIs

Polish (B2)

English (B2)

Tools

PostgreSQL

Redis

Docker

Kubernetes

Azure Service Bus

Consul

GitHub Actions

Job description

Allegro Tech is seeking a backend engineer to design and scale high‑performance services powering the OneBox network from Warsaw. You’ll own components from architecture to deployment, building reliable systems used by millions of parcels daily.

Join a hybrid work environment with modern tech like C#, .NET Core, ASP.NET, REST, PostgreSQL, Redis, Docker and Kubernetes. Enjoy generous benefits and opportunities to grow within Allegro Tech.