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Open nowPosted 3 days ago

MM-0064 Senior .NET Developer – Integration Batch Services (ODS)

antalpl1,061 open roles

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Your applicationOpen nowMM-0064 Senior .NET Developer – Integration Batch Services (ODS)antalpl

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The clock on this job

Early applications get read.

12.1% of postings close within 7 days. Measured by our own scanner across the market. antalpl postings stay open a median of 1 days.

Share of postings closed within
  1. 2.1%1 day
  2. 4.5%3 days
  3. 12.1%7 days
  4. 19.1%14 days
  5. 35.6%30 days
  6. 52.7%60 days
This job: posted 3 days ago

antalpl median: 1 days open

The posting

Senior .NET Developer – Enterprise Integrations

Location: Warsaw | Hybrid – 3 days per week from the client’s office Contract: B2B

About the role

We are looking for an experienced Senior .NET Developer to join an international organisation operating in the transport and logistics industry.

You will work on a business-critical integration platform responsible for processing and consolidating shipment, status and customs-related data from multiple systems. The role combines backend development, system integration, production troubleshooting and gradual modernisation of an established .NET solution.

Your responsibilities

  • Maintain and further develop an existing C# / .NET Framework solution based on Windows Services.
  • Develop and optimise SQL Server / T-SQL, including stored procedures, query performance, transactions and deadlock analysis.
  • Maintain data mappings and processing logic using AutoMapper, Dapper and XML/XSD.
  • Develop and maintain integrations based on WCF/SOAP.
  • Analyse and resolve production and data consistency issues.
  • Cooperate with integration, business and master data teams.
  • Support the platform’s modernisation towards modern .NET and REST-based integrations.
  • Create and maintain unit and integration tests, technical documentation and development standards.

What we’re looking for

  • 5+ years of commercial experience in .NET development.
  • Strong knowledge of C# and .NET Framework 4.x.
  • Experience with Windows Services and multithreaded processing.
  • Very good knowledge of Microsoft SQL Server and T-SQL, including stored procedures, query optimisation, transactions and deadlocks.
  • Hands-on experience with WCF/SOAP integrations.
  • Experience with XML, XSD and XSLT.
  • Familiarity with Dapper, AutoMapper and dependency injection.
  • Experience with unit testing and mocking frameworks such as MSTest and Moq.
  • Experience with Git.
  • Strong analytical and troubleshooting skills.
  • Good command of English.

Nice to have

  • Experience in the logistics or transport industry.
  • Experience migrating legacy .NET Framework applications to modern .NET (8+).
  • Knowledge of REST APIs.
  • Experience with Microsoft Azure, including Azure Functions or App Services.
  • Knowledge of Docker and Kubernetes.
  • Experience working in Agile/Scrum environments.

What we offer

  • Opportunity to work on a business-critical integration platform used in a global logistics environment.
  • Involvement in both maintaining the existing platform and its technical modernisation.
  • Private medical care with LuxMed.
  • MultiSport card.

Tech stack

C# | .NET Framework | SQL Server | T-SQL | WCF | SOAP | Dapper | AutoMapper | XML | XSD | XSLT | MSTest | Moq | Git

Nice to have: .NET 8+ | REST | Azure | Docker | Kubernetes

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