Java Jobs in Chicago, IL

Description

PURPOSE: We are actively hiring a mid level Java Developer to join a small, high impact engineering team at a key inflection point, focused on modernizing legacy systems and accelerating the shift to microservices. This role is critical in helping reduce technical debt from an existing monolith while also contributing to the development of new APIs and services that support core business functionality. The need is urgent, with interviews starting right away. POSITION RESPONSIBILITIES: Develop, support, and troubleshoot microservices using Java and Spring Boot 3/4 Build and consume RESTful APIs, adhering to best practices and standards Collaborate with the DevOps team to deploy applications in Kubernetes environments Leverage observability tools for application monitoring and logging Contribute to building and maintaining event-driven architectures (, using messaging queues) Document and expose APIs using tools like Swagger/OpenAPI Work with API gateways to manage and secure API traffic Implement and support OAuth for secure authentication and authorization Learn and adapt to new tools and technologies as needed EXPERIENCE AND QUALIFICATIONS: Required Skills: Proficiency in Java Experience with Spring Boot and building RESTful web services Experience using Git for source control Familiarity with Kubernetes or container orchestration tools Understanding of microservices architecture Exposure to observability platforms (Datadog, Splunk, ELK, etc.) Knowledge of event-driven systems and message brokers (, Kafka, RabbitMQ) Experience with API documentation tools like Swagger/OpenAPI Understanding of API Gateways and OAuth concepts PREFERRED SKILLS: Hands on experience with AWS cloud architecture and development using AWS resources like S3, Lambda, API Gateway, RDS, etc Building Spring apps utilizing both SQL and NoSQL Databases (Mongo, DynamoDB, SQL Server, Postgres, etc..) Nice to Have: Experience working in Agile or Scrum teams Familiarity with CI/CD pipelines Exposure to cloud platforms such as AWS, GCP, or Azure JavaScript Python EDUCATION: College Degree required. Minimum 3 years of work experience.

Skills

java, springboot, microservices

Top Skills Details

java,springboot,microservices

Additional Skills & Qualifications

Hybrid schedule: 3 days onsite per week (Tuesday–Thursday) - Free lunch on Wednesdays Overview - Hiring a mid-level Java Developer (3–5 years of experience) to join a small team currently consisting of the hiring manager and one other developer. - Primary goal is to help reduce the team's technical debt backlog while also contributing to new development projects. - Need is urgent, with interviews starting next week. Core technologies: - Java - Spring Boot - Kubernetes (on-premises) - MongoDB - Kafka (preferred/bonus) - HTTP/API development - Current work focuses on building and maintaining Java APIs that act as a proxy/integration layer between systems. - Team is modernizing a JBoss monolith and transitioning toward a microservices architecture. - AWS experience is a plus, as there have been discussions around a future cloud migration.

Experience Level

Intermediate Level

Job Type & Location

This is a Contract position based out of Chicago, IL.

Pay and Benefits

The pay range for this position is $ - $

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:
• Medical, dental & vision
• Critical Illness, Accident, and Hospital
• 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available
• Life Insurance (Voluntary Life & AD&D for the employee and dependents)
• Short and long-term disability
• Health Spending Account (HSA)
• Transportation benefits
• Employee Assistance Program
• Time Off/Leave (PTO, Vacation or Sick Leave)

Workplace Type

This is a hybrid position in Chicago,IL.

Application Deadline

This position is anticipated to close on Jul 13, 2026.

About TEKsystems

We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

About TEKsystems and TEKsystems Global Services

We’re a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We’re a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We’re strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We’re building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.