Java Engineer

Deloitte - Recruitment; Greater London; On-site; GBP 120,000 - 185,000; Full time

Job summary

London, United Kingdom-based Deloitte - Recruitment seeks a Senior Java/Python Engineer for a contract role with a leading investment bank. The position involves building scalable applications on modern cloud and DevOps stacks, collaborating across functions to deliver features on cutting-edge projects.

Ideal candidates have strong Java and/or Python skills, React experience, Terraform for IaC, and hands-on AWS ECS deployment, plus PostgreSQL design and CI/CD tooling like Jenkins or Spinnaker.

Qualifications

• Proficient in Java and/or Python programming.
• Strong experience with React for front-end development.
• Hands-on experience with Terraform for infrastructure as code.
• Experienced deploying and managing applications on AWS ECS.
• Solid knowledge of PostgreSQL database design and querying.
• Familiarity with CI/CD tools like Jenkins, Spinnaker or equivalents.
• Ability to work effectively in an Agile development environment.

Responsibilities

• Design, develop, and maintain scalable and robust applications using Java and/or Python.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Implement and manage infrastructure as code using Terraform.
• Deploy and manage containerized applications on AWS ECS.
• Work with PostgreSQL databases to design and optimize storage solutions.
• Utilize CI/CD pipelines to automate build, test, and deployment processes.
• Ensure code quality, security, and performance through best practices and reviews.
• Stay up-to-date with emerging technologies and industry trends.

Skills

Java

Python

React

Agile

Tools

Terraform

AWS ECS

Jenkins

Spinnaker

PostgreSQL

Job description

London, United Kingdom | Posted on 10/08/2026

ContractOpportunityatLeadingInvestmentBank

ContractEndDate:December31st,2026

DayRate:Competitiverate,insideIR35viaRockfordPayroll

WeareseekingahighlyskilledandexperiencedSeniorJava/PythonEngineertojoinourdynamicteamonacontractbasis.Thisroleofferstheopportunitytoworkoncutting-edgeprojectswithinacollaborativeandinnovativeenvironment.TheidealcandidatewillhavestrongexpertiseinJavaand/orPythondevelopment,withasolidunderstandingofmoderncloudandDevOpstechnologies.

KeyResponsibilities

• Design,develop,andmaintainscalableandrobustapplicationsusingJavaand/orPython.
  
• Collaboratewithcross-functionalteamstodefine,design,andshipnewfeatures.
  
• ImplementandmanageinfrastructureascodeusingTerraform.
  
• DeployandmanagecontainerizedapplicationsonAWSECS.
  
• WorkwithPostgreSQLdatabasestodesignandoptimizedatastoragesolutions.
  
• UtilizeCI/CDpipelinesusingJenkins,Spinnaker,orequivalenttoolingtoautomatebuild,test,anddeploymentprocesses.
  
• Ensurecodequality,security,andperformancethroughbestpracticesandcodereviews.
  
• Stayup-to-datewithemergingtechnologiesandindustrytrendstocontinuouslyimprovedevelopmentprocesses.
  

RequiredSkillsandExperience

• ProficientinJavaand/orPythonprogramminglanguages.
  
• StrongexperiencewithReactforfront-enddevelopment.
  
• Hands-onexperiencewithTerraformforinfrastructureascode.
  
• ExperiencedeployingandmanagingapplicationsonAWSECS.
  
• SolidknowledgeofPostgreSQLdatabasedesignandquerying.
  
• FamiliaritywithCI/CDtoolssuchasJenkins,Spinnaker,orequivalent.
  
• AbilitytoworkeffectivelyinanAgiledevelopmentenvironment.
  
• Excellentproblem-solvingskillsandattentiontodetail.