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Senior Backend Developer

  • By Weronika Nowak
  • 6 March 2024

Our Client is a global and independent company dedicated to working on challenges within the fields of water, environment, and sustainability. Within these areas, they provide a wide range of research, advisory, digital advisory, and water governance services. Their market offerings include engineering and environmental modelling services, operational services and provision of a company’s new software technologies and products.

By joining our Client, you will not only become part of a dynamic and collaborative global team of experts; you will be empowered to innovate, engage, and grow in your area of expertise working closely with their teams, partners, and clients. The company is committed to disseminate their knowledge effectively and across our worldwide network of offices.


Your role: 

As a Senior Backend Developer, you will be responsible for building, developing and maintaining digital solutions that the company delivers to its clients.

Your key responsibilities:

  • Building, developing, and maintaining .NET applications
  • Designing and developing new features
  • Sometimes focusing on bug fixing
  • Cooperating with Polish and international team consist of: programmers, designers, Product Owners, domain experts


Who are they looking for:

The ideal candidate has:

  • About 6-8 years of backend development experience in C# and .NET
  • Writing technical documentation skills
  • Unit/Integration tests (xUnit)
  • Experience with event-driven architecture (RabbitMQ, MediatR)
  • Real time applications (SignalR)
  • Advanced multithreading (Hangfire)
  • ORM (Linq2db, EF Core)
  • Writing efficient SQL Queries
  • Docker
  • .NET 5+
  • Rest WebAPI
  • Microservices architecture
  • Effective memory management
  • Deep knowledge of applications’ performance and stability
  • Deep knowledge of software architecture
  • Good knowledge of hardware architecture
  • Good Polish and English language skills – both spoken and written
  • Minimum basic devops skills

Nice to have:

  • Working with spatial data (PostGIS, Spatialite, QGIS)
  • Working with external API’s
  • Reverse engineering (a little)
  • GraphQL/OData
  • Kubernetes
  • Azure DevOps/Cloud
  • WPF
  • Active Directory/LDAP
  • Proficiency in scripting languages like PowerShell/Python
  • SCRUM and agile experiences

Personal skills:

  • Open minded
  • Cooperative
  • Looking for solutions not obstacles
  • Well organized
  • Predictive
  • With high initiative


What you can expect:
  • A career position with an internationally recognized company with a premium brand
  • A great opportunity to utilize, shape and expand your skills and expertise
  • A team of highly specialized and dedicated colleagues
  • Close collaboration with international teams
  • Some travel activities must be anticipated, including travels to the company’s HQ and other subsidiaries


Note: Prepare your CV in English (PDF), fill in the form and apply! 🙂

Dotcommunity is registered in the Register of employment agencies (KRAZ) under number 9904.