Mid .NET Developer (Fullstack or Backend)

Net

Mid .NET Developer (Fullstack or Backend)

Net
Świętojańska 12A, Białystok +4 Locations

Spyrosoft

Full-time
B2B
Mid
Remote
19.27 - 33.03 USD
Net per hour - B2B

Job description

Requirements:

  • Very good knowledge of C# and .NET Core / .NET 6+.

  • Experience in designing microservice architecture.

  • Practical knowledge of Microsoft SQL Server.

  • Experience with Docker / Kubernetes.

  • Familiarity with AWS services.

  • Ability to analyze and optimize the performance of backend applications.

  • Good knowledge of Git and teamwork principles.


Project description:

We are looking for an experienced .NET Developer who wants to have a real impact on the architecture and development of modern applications based on microservices and the cloud. If you enjoy technological challenges, want to work in an experienced team, and at the same time have room for experimentation - we encourage you to apply!


Main responsibilities:

  • Designing and implementing applications based on .NET Core / .NET 6+.

  • Creating and developing microservice architecture.

  • Optimizing applications for performance, stability, and scalability.

  • Implementing and maintaining solutions based on Docker / Kubernetes.

  • Automating tests and maintaining high code quality.

  • Collaboration with the DevOps, QA, and Frontend (React) teams.

  • Integration with cloud services (AWS, and optionally Azure or GCP)


Nice to have:

  • Familiarity with Redis, In-Memory Cache, ElasticSearch

  • Experience with Azure / GCP

  • Knowledge of IaC tools: Terraform, CloudFormation

  • Ability to write scripts (Bash, PowerShell)

  • Experience with CI/CD (Jenkins, GitLab CI, Azure DevOps)

  • Familiarity with React or other frontend frameworks

  • Creating Unit and E2E tests


What We offer:

  • B2B cooperation model (long-term project)

  • Work with a modern technology stack

  • Opportunity to have a real impact on technical decisions

  • Flexible working hours and a hybrid work model

  • Support from an experienced team and an open feedback culture

  • Participation in projects in the areas of media, streaming, AI, and data analyticsL

Tech stack

    English

    B2

    C#

    regular

    Git

    regular

    ASP.NET Core

    regular

    Docker / Kubernetes

    regular

    Microservice Architecture

    regular

    AWS (EC2, Lambda, S3, RDS, etc.)

    regular

    Microsoft SQL Server

    regular

Office location

Published: 21.01.2026

About the company

Spyrosoft

Spyrosoft is a leading technology company specializing in software development and IT services. The company provides a wide range of expertise including artificial intelligence, cloud services, cybersecurity, digital pro...

Company profile