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2059 Core Java jobs in Oak Lawn, IL

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Sr.Java Developer

Crescentitsolutions

Chicago, IL 60629

~ 38 min Onsite

Strong problem-solving skills and the ability to analyze complex technical issues and propose effective solutions.
Excellent understanding of software development lifecycle (SDLC), Agile methodologies, and DevOps practices.
In-depth knowledge of RESTful APIs, JSON, and asynchronous messaging protocols (e.g., Kafka, RabbitMQ).
Bachelor's or master's degree in Computer Science, Engineering, or related field (or equivalent work experience).
Proven experience as a Java Developer, with a focus on Microservices architecture and Spring Security.
Experience with relational databases (e.g., MySQL, PostgreSQL) and NoSQL databases (e.g., MongoDB, Redis).

SmartExplore AI is experimental.

New, Posted 1 day ago

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Senior Java Architect

Atria Group LLC

Chicago, IL 60629

~ 38 min Onsite

Experience in Core Java
Proficient expertise in Drools / Rules Engine, SOQ (IBM / Oracle/ mulesoft), Fiorono / Oracle Fusion, WSO2
Looking for a Java Architect

SmartExplore AI is experimental.

New, Posted 1 day ago

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Senior JavaScript Engineer - Trading Systems & Distributed

HRB

Chicago, IL 60629

~ 38 min Onsite

Senior JavaScript Engineer - Trading Systems & Distributed
A trading firm based in Chicago is seeking a skilled software engineer to leverage advanced technology in trading various asset types
Periodic visits to the Chicago office
Experience or interest in JavaScript/TypeScript
Strong background in software engineering, particularly in object-oriented design

SmartExplore AI is experimental.

New, Posted 1 day ago

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Software Developer - Integrations & Java/MuleSoft

Quinnox

Chicago, IL 60629

$153,317/yr

Paid Relocation to Chicago, IL

~ 38 min Onsite

Software Developer
Analyze user needs and design solutions
Primarily using tools like Java, webMethods, and MuleSoft

SmartExplore AI is experimental.

New, Posted 1 day ago

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Java Architect

Recooty

Chicago, IL 60629

8+ years of experience with good understanding of Core Java basic concepts such as OOPS, classes, inheritance and polymorphism, java collections
Good understanding of general integration styles and related patterns like Channel patterns, Routing Patterns, Transformation patterns and Endpoint patterns
Experience with Cloud Technologies – Azure Cloud Services and/or AWS
Experience with CI/CD using Jenkins/Git/Kubernetes/Docker/Containerization
Working experience with Java frameworks like: * Spring Projects – spring MVC, spring core, spring batch, spring cloud * ORM – JDBC template, Hibernate, Ibatis
Working experience and understanding of any of the Java based integration technologies: * Spring Boot * Kafka * ActiveMQ * Enterprise BUS * Apache Camel * Apache Flink
Well versed with JDK 8 features or above and good understanding of multi-threading, Java concurrency package
Should have good understanding of Java design patterns such as chain of commands, domain‑driven design (DDD), singleton etc.
Good to have experience with Asynchronous and reactive programming

SmartExplore AI is experimental.

New, Posted 1 day ago

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Java Developer - Chicago

RedMane Technology LLC

Chicago, IL 60629

$75,000/yr

Hybrid~ 38 minFlexible ScheduleHealth InsuranceRetirement Benefit

Perform review of code from team members and ability to mentor team members.
Expertise in working with JSP and servlets.
Hands‑on experience with SQL server, DB2 knowledge a plus.
Minimum 3 years' of Java 8 based Web Application development experience with a strong understanding of Core Java fundamentals.
Minimum education required is a Bachelor degree in Computer Science, Computer Engineering or directly related field.
Experience in remediating vulnerabilities identified in penetration testing.
Experience with WebSphere or any application server JBoss, Tomcat, etc.
Ability to articulate and document a detailed technical design.
Analyze and revise existing system logic and provide concise documentation.
Provide support and enhancements to legacy production systems.

SmartExplore AI is experimental.

New, Posted 1 day ago

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Sr. Software Engineer - Java/AWS (Contract)

Early Warning Services LLC

Chicago, IL 60629

Hybrid~ 38 min

Positions located in Scottsdale, San Francisco, Chicago, or New York follow a hybrid work model
Experience with Java, Spring Boot, Rest APIs
This position is ineligible for employment Visa sponsorship
Bachelor's Degree in Computer Science and/or 5 or more years of related industry experience
Sr. Software Engineer - Java/AWS (Contract)
Experience with AWS/Cloud
Eligibility to work in the United States, for any employer, at the date of hire

SmartExplore AI is experimental.

New, Posted 1 day ago

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Full Stack Java Developer

Compunnel

Chicago, IL 60629

Remote

Hands-on experience with Docker and Kubernetes (AKS)
Familiarity with Infrastructure as Code (Terraform) and CI/CD pipelines
Basic understanding of ReactJS for UI development
Non-relational: Redis, MongoDB
10+ years of overall IT experience
Messaging systems: Kafka
5+ years of senior-level Java development experience
JUnit & Mockito for testing
Spring Security (authentication, authorization, JWT)
2+ years of cloud development experience
Azure preferred; AWS experience is a plus
Strong proficiency in: Spring Boot, Spring Data JPA, Hibernate

SmartExplore AI is experimental.

New, Posted 1 day ago

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Java Solution Architect

Coforge

Chicago, IL 60290

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New, Posted 1 day ago

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Full Stack Java Developer

Two95 International

Chicago, IL 60629

Hybrid~ 38 min

MICROSERVICES AND REACT JS
Experience with high speed distributed computing frameworks like FLINK (preferred), Apache Spark, Kafka Streams, FLUME etc.
Java 8+ experience in development (functional and programming must be this version)
Experience with distributed message brokers Kafka, RabbitMQ, ActiveMQ, Amazon Kinesis, etc.
Spring boot, Rest, Postgress, Docker
Experience with cloud technologies and migrations
Kubernetes (and S3 or Docker)
Kafka preferred
BS degree in Computer Science, similar technical field required.

SmartExplore AI is experimental.