C# .Net Developer – £400 per day LONDON Contract

Company: Harrington Starr
Apply for the C# .Net Developer – £400 per day LONDON Contract
Location: Greater London
Job Description:

C#.NETDeveloper

Contract: £350 – 400 per day(InsideIR35)

Location: London(Hybrid)

You’ll bejoininga globalfinancialservicesfirm tosupportanddevelop business-critical.NETapplicationsusedacrossmultipleinternationaloffices.

Yourmission—build,maintain,andenhance C# and.NETbusinessapplications,ensuringtheyarerobust,performant,andalignedwithbusinessneeds.

Thisisahands-on,technicallyfocusedroleforsomeonewhounderstandsC#.NET,SQLServer,Oracle,andenterpriseapplicationdevelopment—andcanturnbusinessrequirementsintoreliable,high-qualitysoftwaresolutions.

You’llworkcloselywithdevelopmentteams,DBAs,andbusinessuserstodesign,implement,andsupportapplicationsacrossmultipleenvironmentsincludingProduction,DisasterRecovery,andQA.

What you’ll be doing

  • DevelopandmaintainC#.NETapplicationssupportingbusinessprocesses.
  • Analysebusinessrequirementsanddesignappropriatesolutions.
  • ProgramandmaintainapplicationsusingVisualC#.NET,withbothSQLServerandOracledatabases.
  • Performunittesting,QA,andproductionimplementations.
  • Supportexistingapplications,troubleshootsystemissues,andprovideITsupportfordevelopmentenvironments.
  • LiaisewithSQLandOracleDBAsacrossmultipleoffices.
  • WriteT-SQLandPL/SQLscriptsfordataanalysis.
  • ManagesystemdistributionforCitrixandapplicationservers(Web&Windowsapplications).
  • FollowdevelopmentteamChangeManagementControlproceduresforallproductionupdates.
  • MaintainapplicationsbyupdatingMS.NETFrameworkandVisual.NETplatformversions.
  • Provideoccasionalout-of hourssupportasneeded(weekdays/weekends).

What you’ll need

  • 3+ Years C#.NET,VisualStudio,SQLServer,andOracle .
  • Provenexperienceinenterpriseapplicationdevelopmentandsupport.
  • Solidknowledgeofproduction,QA,anddisasterrecoveryenvironments.
  • Excellentproblem-solving,troubleshooting,andcommunicationskills.
  • Experienceworkingwithcross-functionalteamsandfollowingChangeManagementprocedures.

ApplynoworemailBarry.Ansell@HarringtonStarr.comforafasterreview.

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Posted: March 3rd, 2026