Regular .NET Developer

19 - 33 USDNet per hour - B2B
Net

Regular .NET Developer

Net
Postępu 15, Warszawa +4 Locations

Spyrosoft

Full-time
B2B
Mid
Remote
19 - 33 USD
Net per hour - B2B

Job description

Requirements:

  • Experience: 3+ years of professional backend development experience with .NET / C#.

  • Technical Depth: Strong proficiency in modern .NET (6/7/8), ASP.NET Core, and RESTful API design.

  • Clean Code: Deep understanding of OOP, SOLID, and common design patterns.

  • Containerization: Practical experience with Docker and Kubernetes (building images, registry management, and basic troubleshooting).

  • Databases: Proficiency in SQL Server or PostgreSQL, including schema design and performance tuning.

  • Workflow: Solid experience with Git, CI/CD pipelines, and asynchronous processing patterns.

  • Communication: English at a B2+ level (written and spoken)


Project description:

We are building the next-generation version of our core data synchronization system. This platform is responsible for the seamless exchange of delivery and return data between global suppliers and retail stores. You will be joining a product-focused team to develop high-performance backend components, APIs, and integration pipelines that ensure our logistics data remains accurate, scalable, and reliable.


Main responsibilities:

  • Design, implement, and maintain backend services and architectural components using modern .NET.

  • Build and evolve APIs and integration endpoints to handle complex data mapping and transformation for deliveries and returns.

  • Develop background workers, message queues, and scheduled jobs for data reconciliation.

  • Own database design, schema evolution, indexing, and query optimization to ensure high performance.

  • Write clean, testable code; implement robust logging, metrics, and tracing to ensure system observability.

  • Independently manage the full development lifecycle - from initial implementation and code review to CI/CD and production release.

  • Work actively within an Agile/Scrum team, refining requirements alongside Product Owners and Architects.



Nice-to-have

  • Experience with Distributed Systems and heavy integration flows (EDI, partner APIs).

  • Knowledge of Messaging Platforms (Azure Service Bus, RabbitMQ, or Kafka).

  • Experience with Cloud Infrastructure (Azure/AWS) and Infrastructure as Code (Terraform).

  • Familiarity with the Logistics or Retail domain (inventory, orders, reconciliation).

Tech stack

    English

    B2

    .NET 6/7/8

    regular

    ASP.NET Core

    regular

    RESTful APIs

    regular

    Microservices

    regular

    Docker

    regular

    Kubernetes

    regular

    Azure/AWS

    regular

Office location

Published: 18.12.2025

About the company

Spyrosoft

Spyrosoft is an authentic, cutting-edge software engineering company, established in 2016. We have been included in the Financial Times ranking of 1000 fastest growing companies for three consecutive years: 2021, 2022 an...

Company profile

Regular .NET Developer

19 - 33 USDNet per hour - B2B
Summary of the offer

Regular .NET Developer

Postępu 15, Warszawa
Spyrosoft
19 - 33 USDNet per hour - B2B
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Regular .NET Developer - Spyrosoft