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Contract Java Microservices Jobs in Chicago, IL (NOW HIRING)

Jobtailor

Lead Software Engineer

Chicago, IL · On-site

$150 - $190/hr

... and microservices using Java 21+, Spring Boot, Apigee API Gateway, and AWS cloud services * Architect API-first solutions and define service contracts, payload schemas, and OpenAPI/Swagger ...

New

TEKsystems

Technical Lead

Chicago, IL · Remote

$70 - $75/hr

The ideal candidate will possess deep technical expertise in Java technologies, microservices ... Experience Level Expert Level Job Type & Location This is a Contract position based out of Chicago ...

Medium

Senior Full Stack Software Engineer

Chicago, IL · On-site

$172.20 - $206.64/hr

... Java, React, Node.js, etc.). * Automated Test Development : Develop API and microservices tests (including contract testing and service virtualization) and UI tests using modern test automation tools ...

KnackHook, LLC

IT Software Engineer

Chicago, IL · On-site

T Software Engineer Contract Chicago, IL, hybrid Must have : API, AWS, Azure, Elastic Search, Java, JUnit, MySQL, Spring Boot, SQL Required Education •  Degree: Bachelor ...

SriLakshmiTech

Software Engineer

Chicago, IL · On-site

... APIs and microservices using Java 21+, Spring Boot, Apigee API Gateway, and AWS cloud services. Architect API-first solutions; define service contracts, payload schemas, and OpenAPI/Swagger ...

Caterpillar Brazil

Lead Software Engineer

Chicago, IL · On-site

$128 - $209/hr

Lead the design and development of enterprise-scale REST APIs and microservices using Java, Spring Boot, and AWS cloud services.* Build API-first solutions, define service contracts, payload schemas ...

New

Caterpillar

Lead Software Engineer

Chicago, IL · On-site

$128K - $208K/yr

Lead the design and development of enterprise-scale REST APIs and microservices using Java, Spring Boot, and AWS cloud services. * Build API-first solutions, define service contracts, payload schemas ...

Caterpillar

Senior Software Engineer

Chicago, IL · On-site

$112K - $183K/yr

Design, develop, test, and maintain backend RESTful APIs and microservices using Java, Spring Boot ... Participate in solution design, API contract definition, payload schema design, and OpenAPI/Swagger ...

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All JobsContract Java Microservices JobsContract Java Microservices Jobs in Chicago, IL

Contract Java Microservices information

See Chicago, IL salary details

$16

$58

$79

How much do contract java microservices jobs pay per hour?

As of Aug 19, 2026, the average hourly pay for contract java microservices in Chicago, IL is $58.41, according to ZipRecruiter salary data. Most workers in this role earn between $50.53 and $65.38 per hour, depending on experience, location, and employer.

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The most popular types of Java Microservices jobs in Chicago, IL are:

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For Contract Java Microservices jobs in Chicago, IL, the most frequently searched job titles are:

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Contract Java Microservices jobs near you
Infographic showing various Contract Java Microservices job openings in Chicago, IL as of August 2026, with employment types broken down into 100% Contract. Highlights an 100% In-person job distribution, with an average salary of $121,486 per year, or $58.4 per hour.

Lead Software Engineer

Jobtailor

Chicago, IL • On-site

$150 - $190/hr

Other

Posted 3 days ago

New

Job description

  • Lead the design and development of enterprise-scale REST APIs and microservices using Java 21+, Spring Boot, Apigee API Gateway, and AWS cloud services
  • Architect API-first solutions and define service contracts, payload schemas, and OpenAPI/Swagger specifications
  • Decompose business requirements into technical designs, user stories, and implementation tasks
  • Guide engineers in secure service-to-service integrations using OAuth 2.0, JWT, and entitlement-based authorization models
  • Serve as technical lead for complex initiatives, architecture decisions, design reviews, and code reviews
  • Collaborate with product owners, UI development teams, architects, and partner teams
  • Establish engineering best practices for reliability, scalability, observability, security, and maintainability
  • Drive automated, performance, and load testing and production readiness reviews
  • Lead troubleshooting and resolution of complex production issues
  • Create and maintain technical documentation, operational runbooks, and engineering standards
  • Own software delivery from design through deployment, monitoring, support, and continuous improvement
Requirements
  • Bachelor's degree and 10+ years of relevant experience
  • Knowledge of software development tools and activities
  • Ability to produce software products or systems according to product requirements
  • Knowledge of software product design
  • Ability to convert market requirements into software product design
  • Knowledge of decision-making processes and associated tools and techniques
  • Ability to analyze situations and reach productive decisions
  • Extensive experience with Java 17+ and Spring Boot RESTful API development
  • Experience with API management and gateway platforms such as Apigee
  • Proficiency deploying and maintaining software in public cloud environments such as AWS, Azure, or GCP
  • Experience owning the end-to-end software lifecycle
  • Experience writing automated unit, integration, and end-to-end tests using frameworks such as JUnit and Mockito
  • Experience designing and implementing event-driven architectures and message streaming solutions
  • Understanding of relational, NoSQL, search, caching, and vector databases
  • Experience configuring and deploying software through CI/CD pipelines using Azure DevOps, Jenkins, or GoCD
  • Familiarity with AI-assisted coding tools such as GitHub Copilot or Cursor
  • Experience working within an Agile framework, ideally Scrum
Core Competencies

Demonstrates expertise in designing and developing enterprise-scale REST APIs and microservices using Java 21+, Spring Boot, and AWS. Proficient in API management, automated testing, and leading software delivery processes while ensuring best practices in security and scalability.

Highest-signal resume keywords
  • Java 21+ Development
  • Spring Boot RESTful API Development
  • API Management with Apigee
  • AWS Cloud Services Deployment
  • CI/CD Pipeline Configuration
ATS Optimization KeywordsHard Skills
  • REST API Design
  • Microservices Architecture
  • OAuth 2.0
  • JWT
  • Automated Testing with JUnit
  • Event-Driven Architecture
  • Message Streaming Solutions
  • Relational Databases
  • NoSQL Databases
  • Agile Framework
Soft Skills
  • Decision-Making
  • Collaboration
  • Problem-Solving
  • Technical Leadership
Industry Keywords
  • Software Development
  • Enterprise-Scale Solutions
  • Technical Documentation
  • Software Lifecycle Management
  • Agile Methodologies
Tools & Technologies
  • Apigee API Gateway
  • AWS
  • Azure DevOps
  • Jenkins
  • GoCD
  • GitHub Copilot
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