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Data Migration Developer with .NET

  • Remote
  • Wrocław
  • Bielsko-Biała
  • Senior 120 - 150 PLN/h + VAT B2B
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Unfolding Your Next Role

We are looking for a Senior Data Migration Developer with .NET to join our engineering team and help build a cutting-edge solution for our client, a company that designs, builds, and operates advanced registry systems.

In this role, you will focus on designing and implementing robust data migration and backend processes, ensuring high performance, scalability, and data integrity.

You will work on a project leveraging modern architectures and technologies such as C#, .NET 9, modular monolith, DDD, CQRS, Event Sourcing and Azure.

Tech & Tool Stack

CSHARK

C#

CSHARK

.NET Core

CSHARK

Azure

CSHARK

Docker

Your Daily Missions

  • Designing, implementing, and optimizing backend services for data migration and transformation.
  • Building clean, scalable, and maintainable solutions aligned with CQRS and DDD principles.
  • Developing tools and scripts for data import/export, validation, and reconciliation.
  • Collaborating closely with cross-functional teams to ensure smooth data migration and integration with existing systems.
  • Writing clear, testable, and well-documented code with strong attention to performance and reliability.
  • Participating in code reviews and contributing to architectural and design discussions.
  • Supporting other developers and sharing knowledge within the team.
  • Working in an Agile SCRUM environment, taking part in sprint planning, stand-ups, and retrospectives.

The Essentials We’re Seeking

  • Over 4 years of commercial programming experience with .NET, C#.
  • Strong understanding of software architecture principles and backend design patterns (e.g., dependency injection, repository, mediator, factory).
  • Exposure to cloud environments (ideally Azure) and understanding of infrastructure and services.
  • Fluency in English and Polish (minimum B2+) – a must.
  • Hands-on experience with CQRS and Domain-Driven Design (DDD), including aggregates, entities, value objects, and bounded contexts.
  • Understanding of Event Sourcing concepts – including event stores, event replay, and how to model state changes as immutable domain events.
  • Solid knowledge of clean architecture and separation of concerns.
  • Experience with PostgreSQL and modern ORM frameworks (e.g. Entity Framework or equivalent).
  • Exposure to CosmosDB or similar NoSQL/document databases.
  • Experience designing and consuming RESTful APIs.
  • Familiarity with Docker for local development and deployments.

Our
Benefits

At CSHARK, it’s not about trendy perks or the latest gaming console in the lounge. Based on feedback from our team, what truly counts is an environment conducive to focused work, structured processes, and continuous skill development. We prioritize what genuinely enriches the daily work experience, ensuring that every moment spent with us is both productive and fulfilling. 

100% remote work

Harness the power of technology with our remote-first approach. Work from the comfort of your space while staying connected and collaborative. 

Flexible hours

Find your rhythm with hours that align to your lifestyle. We understand that productivity isn’t confined to the typical 9-to-5.

International projects

Engage in projects that transcend borders. Experience the thrill of working with diverse teams and clients from different parts of the world.Navigate the global tech landscape with ease. Enhance your communication skills with our tailored Business English sessions.

Business english lessons

Navigate the global tech landscape with ease. Enhance your communication skills with our tailored Business English sessions.

Participation in charity actions

Connect with the community and contribute to causes that matter. Join us in various charity initiatives and be a part of change that extends beyond business.

In-house technology workshops

Stay at the forefront of technology. Dive deep into topics, refine your skills, and learn from peers through our regular tech workshops. 

100% remote work

Harness the power of technology with our remote-first approach. Work from the comfort of your space while staying connected and collaborative. 

Flexible hours

Find your rhythm with hours that align to your lifestyle. We understand that productivity isn’t confined to the typical 9-to-5.

International projects

Engage in projects that transcend borders. Experience the thrill of working with diverse teams and clients from different parts of the world.Navigate the global tech landscape with ease. Enhance your communication skills with our tailored Business English sessions.

Business english lessons

Navigate the global tech landscape with ease. Enhance your communication skills with our tailored Business English sessions.

Participation in charity actions

Connect with the community and contribute to causes that matter. Join us in various charity initiatives and be a part of change that extends beyond business.

In-house technology workshops

Stay at the forefront of technology. Dive deep into topics, refine your skills, and learn from peers through our regular tech workshops. 

Explore the Heartbeat of CSHARK

Discover the essence of our guilds’ expertise, advanced tools and tech stack, and our real-world successes. Delve into impactful case studies and hear genuine insights from our team

Get to Know How We Work
CSHARK

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