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Contract Java Microservices Jobs in Illinois (NOW HIRING)

Java Multiple roles

Chicago, IL ยท On-site

$75 - $85/hr

Java Developer Duration: 3-6Months Contract Location: Hoffman Estates, IL Key Focus รข Java 8, Spring Framework, Spring Boot, Hibernate and Web Services / Microservices. Job Title: Java API Developer ...

Sr. Backend Java Developer

Chicago, IL ยท On-site

$124K - $161K/yr

... Year Contract role in Chicago Downtown, Immediate Start! Client - Direct Client (Fortune 100 ... Application architectural patterns such as MVC, Microservices, Event Driven. * TDD and BDD ...

Sr. Backend Java Developer

Chicago, IL ยท On-site

$124K - $161K/yr

... Year Contract role in Chicago Downtown, Immediate Start! Client - Direct Client (Fortune 100 ... Application architectural patterns such as MVC, Microservices, Event Driven. * TDD and BDD ...

Chicago, IL (Hybrid) Contract Duration - 6 Months Pay Rate: $86/hr Note: We are not able to ... Lead the design and development of backend applications, APIs, and microservices supporting ...

AI Technical Coach

Chicago, IL ยท On-site

$70 - $75/hr

Contract salary: $70 - 75 per hour work hours: 9am to 5pm education: Bachelors responsibilities ... Java Spring Boot, Microservices), modern databases (ie relational, NoSQL) and a modern SPA ...

IT Software Engineer 5

Chicago, IL ยท On-site

$88 - $94/hr

Type: Contract * Job #106498 IT SOFTWARE ENGINEER 5 (Lead Software Engineer Java/AWS) Location ... Design, build, and support Java/Spring Boot microservices in AWS environments * Partner with ...

.NET Developer

Chicago, IL ยท On-site

$65 - $67/hr

Contract - 12 months Pay Range: $60/hr (W2) Job ID: 409127 About BCforward BCforward is a leading ... Spring or Java EE. * Application Architecture: Experience with monolithic and microservices ...

Backend Engineer

Chicago, IL ยท On-site

$87.36 - $96.68/hr

Contract salary: $87.36 - 96.68 per hour work hours: 8am to 5pm education: Bachelors responsibilities: Backend Developer * Primary Tech Stack: Java, Spring Boot, Microservices, REST APIs, and AWS

Showing results 41-60

Contract Java Microservices information

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Infographic showing various Contract Java Microservices job openings in Illinois as of August 2026, with employment types broken down into 100% Contract. Highlights an 100% In-person job distribution.

Java Multiple roles

Chicago, IL โ€ข On-site

Tachyon Technologies
IT Servicesย โ€ขย 51 - 200 employees

$75 - $85/hr

Contractor

Life, PTO

Re-posted 11 days ago


Key responsibilities

  • Design, code, test, and analyze software programs and applications.

  • Work with business end users to determine requirements and propose solutions.

  • Analyze requirements, design, build, and thoroughly test solutions using relevant programming languages.


Job description

About Tachyon Technologies: Tachyon Technologies is a Digital Transformation consulting firm that partners with businesses to implement customer-focused business transformation. Aligned with SAP's digital core, Tachyon Technologies collaborates with its clients to transform their business by leveraging existing IT investments and leading-edge digital solutions to positively impact their customers' experience. From initiation through realization, Tachyon Technologies understands what it takes for a consulting partner to be effective and strives to deliver a meaningful solution that exceeds its clients' expectations.

Job Title: Senior Java Developer
Location: Chicago, IL
Position Type: Contract
Duration: 6 Months+Â
Job Description:
Looking for a Sr. Developer with min. 8 yrs. of experience in following technologies - JavaScript, CSS/SCSS, Bootstrap, AngularJS, jQuery, Spring MVC, Spring Security, SQL, Hibernate. Java certification is highly desired.
The Senior Software Developer reports to the Application Development Manager. The Senior Software Developer's role is to design, code, test, and analyze software programs and applications. This includes researching, designing, documenting, and modifying software specifications throughout the production lifecycle. The software developer will also analyze and amend software errors in a timely and accurate fashion and provide status reports where required.
The position responsibilities outlined below are in no way to be construed as all encompassing. Other duties, responsibilities, and qualifications may be required and/or assigned as necessary.
POSITION RESPONSIBILITIES:
â Work with business end users to determine requirements and propose approaches to address users' needs.
â Analyze requirements to determine approach/proposed solution. Design and Build Solutions using relevant programming languages.
â Thoroughly test solutions using relevant approaches and tools.
â Work in team environment to deliver business solutions.
â Problem solve to address development and production issues.
EXPERIENCE AND QUALIFICATIONS:
â 8+ years' experience working as an application designer and software developer working with enterprise applications.
â Hands-on software troubleshooting experience.
â Experience with specific phases of the software development life cycle including requirements gathering, requirements analysis, design, development, and test.
â Technically proficient.
â Flexible and adaptable in regards to learning and understanding new technologies.
â Ability to conduct research into software-related issues and products.
â Highly self-motivated and directed.
â Proven analytical and problem-solving abilities.
â Ability to effectively prioritize and execute tasks in a high-pressure environment.
â Ability to work both independently and in a team-oriented, collaborative environment.
â Technically fluent in programming languages, including C, Java.
â Knowledge of database design and file management techniques.
â Knowledge of Service Oriented Architectures.
â Knowledge of Web based Architectures
EDUCATION:
College diploma or university degree in the field of computer science or software engineering, and/or 8+ years equivalent work experience.


Job Title: Java Developer
Duration: 3-6Months Contract
Location: Hoffman Estates, IL

Key Focus â Java 8, Spring Framework, Spring Boot, Hibernate and Web Services / Microservices.Â

Job Title: Java API Developer
Duration: Long term
Location: Minneapolis, MN

Required Skills: â Passionate Java developer with 6+ years of software application development experience.
â Experience with full project life cycle, requirement analysis, design, development, test and support.
â Good understanding of API and Integration concepts and technologies, such as REST, SOAP, JSON, XML, message queues, and Integration Pattern / frameworksÂ
â Good knowledge and experience with databases (relational and/or NoSQL).
â Experience in any continuous integration and continuous delivery tools ( eg: git hub, Jenkins, bamboo , gradle/maven , artifactory)Â
â Experience with Agile task management tools (e.g. JIRA, Rally, VersionOne)
â Good understanding /knowledge of the linux/unix commands.
â Familiarity with any java containers and logging / monitoring solutions.Â
â Experience in triaging, troubleshooting, and problem solving skills.
â Ability to communicate effectively via multiple channels (verbal, written, etc.) with technical and non-technical staff.
â Client facing or consulting experience highly preferred.
â Knowledge and experience in developing software using agile methodologies
â Must have: Experience with integration patterns , Apache camel and Spring bootÂ
â Good to have : Any experience with open source integration toolsÂ
â Bachelor's Degree in MIS, Computer Science, Math, Engineering or comparable major


Job Title: Java Developer w/e-commerce
Duration: Long term
Location: Dublin, OH

Required Skills:
1. Good business understanding of commerce platform â Order processing, pricing, inventory, product search, commerce reporting, customer user experience etc.
2. Good technical knowledge of building SOAP/REST API's using technologies like .NET, Java, XML, JSON.
3. Good experience in quickly understanding the problem and driving the resolutions independently.
4. Good communication and leadership skills.

Tachyon's full-time employees receive complete and competitive benefits. We offer a collaborative work environment, competitive compensation, generous work/life opportunities, and an outstanding benefits package that includes paid time off plus holidays. In addition, all colleagues are eligible for a number of rewards and recognition programs. Encouraging a healthy work/life balance and providing our colleagues great benefits are just part of what makes Tachyon a great place to work.

Disclaimer: The above statements are not intended to be a complete statement of job content, rather act as a guide to the essential functions performed by the employee assigned to this classification. Management retains the discretion to add or change the duties of the position at any time.