Backend Python Developer – AWS (Energy Trading Platform) – CONTRACT

Company: Harrington Starr
Apply for the Backend Python Developer – AWS (Energy Trading Platform) – CONTRACT
Location: London
Job Description:

BackendPythonDeveloper–AWS(EnergyTradingPlatform)

Contract-London(Hybrid–3daysonsite)

£700 -£900 per day Inside IR35

We’reworkingwithaleadingenergytradingorganisationthat’slookingtohireaBackendPythonDevelopertojointheirLondonteam,workingonamodern,AWS-basedpost-tradeplatform.

Thisisahands-oncontractrolefocusedonbackenddevelopment,supportingliveintradaytrading,positionmanagementandP&Lreportingforafront-officeenergytradingenvironment.

You’llbepartofafast-movingengineeringteambuildingandenhancingbusiness-criticalsystemsuseddailybytradingandoperationsteams.

Therole:

  • Design,developandmaintainbackendservicesusingPython
  • Buildscalable,reliableandsecureapplicationsrunningonAWS
  • Contributetoamodernpost-tradeplatformprovidingliveintradaypositionandP&Lreporting
  • Workcloselywithproduct,tradingandtechnologyteamstodelivernewfeatures
  • Proposeandimplementtechnicalsolutionstosolverealbusinessproblems
  • UseandimproveCI/CDpipelinestoreleasefunctionalityfrequently
  • Producehigh-leveltechnicaldesignsandensurealignmentwithcloud,securityandarchitecturalstandards
  • Collaboratewithinfrastructure,cloudandsecurityteamsasrequired

Keyrequirements:

  • Hands-onPythondevelopmentexperience(backend-focused)
  • StrongexperienceworkingwithAWSinaproductionenvironment
  • Solidunderstandingofobject-orientedprogramming
  • ExperiencebuildingandconsumingAPIs(RESTand/orGraphQL)
  • Familiaritywithrelationaldatabases(Postgrespreferred)
  • ExperienceworkinginAgileteams
  • Pragmatic,delivery-focusedmindset

Nicetohave:

  • ExperiencewithAWSservicessuchasS3,ECS,AppSync
  • ExposuretoKafkaorothermessagingsystems
  • FrontendexperiencewithReactorSvelte
  • Backgroundincommoditiestradingorfinancialservices

Location&setup:

  • London-based
  • Hybridworking–typically3daysonsite
  • Contractrolewithinalong-running,business-criticalprogramme

Thisisastrongopportunityforamid-to-seniorbackendPythoncontractorwhoenjoysworkingclosetothebusinessonhigh-impacttradingsystems.

Applynoworgetintouchforaconfidentialdiscussion.

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Posted: June 14th, 2026