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Java Elasticsearch Jobs in Illinois (NOW HIRING)

Harris

Software Engineer

Ohio, IL

$80K - $90K/yr

Deep understanding of Core Java (Java 11/17+), JVM internals, memory management, tuning, and ... Experience with search and indexing technologies such as Elasticsearch. - Experience in React, Next ...

Harris

Software Engineer

Tennessee, IL

$80K - $90K/yr

Deep understanding of Core Java (Java 11/17+), JVM internals, memory management, tuning, and ... Experience with search and indexing technologies such as Elasticsearch. - Experience in React, Next ...

Harris

Software Engineer

Oregon, IL

$80K - $90K/yr

Deep understanding of Core Java (Java 11/17+), JVM internals, memory management, tuning, and ... Experience with search and indexing technologies such as Elasticsearch. - Experience in React, Next ...

Harris

Software Engineer

Virginia, IL

$80K - $90K/yr

Deep understanding of Core Java (Java 11/17+), JVM internals, memory management, tuning, and ... Experience with search and indexing technologies such as Elasticsearch. - Experience in React, Next ...

Xcelo Group Inc

IT Software Engineer

Chicago, IL · On-site

Hi, We are having an immediate requirement for Lead Software Engineer Java / Spring Boot / AWS ... Search: Elasticsearch * Caching: Redis * Vector Databases * Hands-on experience with CI/CD ...

Ness USA, Inc.

Sr. Streaming Engineer

Chicago, IL · On-site +1

$126K - $166K/yr

... ElasticSearch, Prometheus, AppDynamics Job Profile: Associate Principal, Software Engineering: Java 06:08 PM 02/25/2026 Page 2 of 2 Technical Skills & Background [Required] Java-based software ...

Ness Digital Engineering

Sr. Streaming Engineer

Chicago, IL · Hybrid

$126K - $166K/yr

... ElasticSearch, Prometheus, AppDynamics * Job Profile: Associate Principal, Software Engineering: Java 06:08 PM 02/25/2026 Page 2 of 2 Technical Skills & Background * [Required] Java-based software ...

Ness Digital Engineering

Sr. Streaming Engineer

Chicago, IL · Hybrid

$126K - $166K/yr

... ElasticSearch, Prometheus, AppDynamics * Job Profile: Associate Principal, Software Engineering: Java 06:08 PM 02/25/2026 Page 2 of 2 Technical Skills & Background * [Required] Java-based software ...

Ness Digital Engineering

Sr. Streaming Engineer

Chicago, IL · On-site +1

$126K - $166K/yr

... ElasticSearch, Prometheus, AppDynamics • Job Profile: Associate Principal, Software Engineering: Java 06:08 PM 02/25/2026 Page 2 of 2 Technical Skills & Background • [Required] Java-based ...

Ness Digital Engineering

Sr. Streaming Engineer

Chicago, IL · Hybrid

$126K - $166K/yr

... ElasticSearch, Prometheus, AppDynamics • Job Profile: Associate Principal, Software Engineering: Java 06:08 PM 02/25/2026 Page 2 of 2 Technical Skills & Background • [Required] Java-based ...

KnackHook, LLC

IT Software Engineer

Chicago, IL · On-site

API, AWS, Azure, Elastic Search, Java, JUnit, MySQL, Spring Boot, SQL Required Education •  Degree: Bachelor''s degree or equivalent (implied by "Degree + 10+ years ...

SriLakshmiTech

Software Engineer

Chicago, IL · On-site

Extensive experience with Java 17+ and Spring Boot for RESTful API development. API Management ... Elasticsearch o Caching: Redis o Vector databases CI/CD: Hands-on experience configuring and ...

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Showing results 21-40

All JobsJava Elasticsearch JobsJava Elasticsearch Jobs in Illinois

Java Elasticsearch information

What is a Java Elasticsearch developer?

Java Elasticsearch developers are software engineers who specialize in integrating and utilizing Elasticsearch, a powerful search and analytics engine, within Java-based applications. They design, implement, and optimize search functionalities, ensuring efficient data indexing, querying, and retrieval. Their responsibilities often include configuring Elasticsearch clusters, developing RESTful APIs, and troubleshooting performance issues to provide scalable search solutions.

What are some common challenges Java developers face when integrating Elasticsearch into applications?

Java developers often encounter challenges such as handling complex query structures, optimizing search performance, and ensuring data consistency between the application and Elasticsearch clusters. Additionally, understanding Elasticsearch's distributed architecture and tuning it for scalability can require a learning curve. Collaborating closely with DevOps and data engineering teams is essential to monitor cluster health and manage index mappings effectively.

What are the key skills and qualifications needed to thrive as a Java Elasticsearch developer, and why are they important?

To thrive as a Java Elasticsearch Developer, you need strong Java programming skills, experience with Elasticsearch, and a background in software engineering or computer science. Familiarity with tools like Kibana, Logstash, RESTful APIs, and relevant certifications such as Elasticsearch Engineer can enhance your technical proficiency. Problem-solving skills, attention to detail, and effective communication are crucial soft skills for managing complex data requirements and collaborating with teams. These skills ensure the development of efficient, scalable search solutions that meet business and user needs.

What is the difference between Java Elasticsearch vs Java Developer?

AspectJava ElasticsearchJava Developer
Primary FocusImplementing search and analytics solutions using Elasticsearch with JavaDeveloping Java applications across various domains
Required SkillsJava, Elasticsearch, REST APIs, data modelingJava, object-oriented programming, frameworks like Spring
Work EnvironmentData-driven projects, search engine optimization, big dataSoftware development, application design, system integration
CertificationsElasticsearch certifications, Java certificationsJava certifications (Oracle Certified Java Programmer)

Java Elasticsearch specialists focus on integrating Elasticsearch with Java to build search and analytics solutions, while Java Developers have a broader role in developing various Java applications. Both roles require Java skills, but Elasticsearch roles emphasize search engine knowledge and data handling, making them more specialized within the Java ecosystem.

What are popular job titles related to Java Elasticsearch jobs in Illinois?

For Java Elasticsearch jobs in Illinois, the most frequently searched job titles are:

What job categories do people searching Java Elasticsearch jobs in Illinois look for?

The top searched job categories for Java Elasticsearch jobs in Illinois are:

What cities in Illinois are hiring for Java Elasticsearch jobs?

Cities in Illinois with the most Java Elasticsearch job openings:

Java Elasticsearch jobs near you
Infographic showing various Java Elasticsearch job openings in Illinois as of August 2026, with employment types broken down into 89% Full Time, 2% Part Time, and 9% Contract. Highlights an 82% Physical, 6% Hybrid, and 12% Remote job distribution.

Staff Software Development Engineer - Agentic Applications and Experiences

WEX

Chicago, IL • On-site

$140K - $173K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 17 days ago

WEX Inc. rating

7.3

Company rating: 7.3 out of 10

Based on 21 frontline employees who took The Breakroom Quiz

13th of 21 rated payment service providers

Job description

The WEX Fleet Services teamwhich owns the Over the Road experiences is transforming the future of fleet payments by building agentic, scalable solutions that power WEX's industry-leading fuel card platform. We design and develop new capabilities that enable delightful experiences for both internal and external customers, creating the foundation for new products, services, and business opportunities.

We are looking for a passionate Senior Software Development Engineer who enjoys solving complex problems, passionate about learning and experimenting, building innovative solutions, and collaborating with a talented engineering team. In this role, you will play a key part in designing, developing, and enhancing agentic solutions in a cloud-native environment using industry-leading AI tools/platforms, Java, AWS, Kafka event streaming, Elasticsearch, containerization, and API-driven architectures.

This is an opportunity to join an agile, collaborative team where engineers have ownership, make meaningful technical contributions, and deliver solutions that directly impact WEX's customers and business growth.

How You'll Make an Impact

  • Design, develop, and deliver delightful product experiences that are powered by Agentic capabilities, scalable, reliable software solutions using modern technologies such as Java, Kafka, Elasticsearch, and cloud-native platforms.

  • Contribute to architecture and design decisions that support highly available, secure, and scalable systems.

  • Build and maintain clean, efficient, well-tested, and maintainable code.

  • Develop and optimize RESTful APIs and backend services.

  • Participate in code reviews, technical discussions, and collaborative problem-solving sessions.

  • Troubleshoot, debug, and resolve complex technical challenges.

  • Work across technology stacks and quickly adapt to new tools and frameworks.

  • Stay current with emerging technologies and industry best practices to continuously improve engineering practices.

  • Ensure operational excellence and best customer experience for all the products and systems owned by the team.

Experience You'll Bring

  • Bachelor's degree in Computer Science, Engineering, or a related technical field.

  • 7+ years of software engineering experience designing, developing, and supporting enterprise-scale applications.

  • Strong experience building cloud-based applications and infrastructure using infrastructure-as-code practices.

  • Proficiency with event streaming platforms such as Kafka.

  • Experience with Elasticsearch, including indexing strategies, query optimization, and data analysis.

  • Experience working with cloud platforms such as AWS.

  • Strong understanding of software engineering principles, including data structures, algorithms, object-oriented design, scalability, availability, and reliability.

  • Strong problem-solving skills with the ability to analyze complex technical challenges.

  • Excellent written and verbal communication skills with a collaborative mindset.

Preferred Qualifications

  • Master's degree in Computer Science, Software Engineering, or a related field.

  • 8+ years of software engineering experience.

  • Experience and knowledge in building Agentic/AI solutions for real world problems.

  • Experience designing and implementing event-driven architectures.

  • Experience working with card payments or financial services platforms.

  • Hands-on experience with cloud-native technologies including Docker and Kubernetes.

  • Knowledge of API security principles and PCI DSS compliance requirements.

  • Experience working within existing codebases and improving legacy systems.

  • Strong backend development expertise with Java or C#, including frameworks such as Spring Boot.

  • Experience designing, building, and optimizing RESTful APIs, OData services, and SQL-based solutions.

  • Proven experience developing internet-scale services with a focus on scalability, security, availability, and reliability.

The base pay range represents the anticipated low and high end of the pay range for this position. Actual pay rates will vary and will be based on various factors, such as your qualifications, skills, competencies, and proficiency for the role. Base pay is one component of WEX's total compensation package. Most sales positions are eligible for commission under the terms of an applicable plan. Non-sales roles are typically eligible for a quarterly or annual bonus based on their role and applicable plan. WEX's comprehensive and market competitive benefits are designed to support your personal and professional well-being. Benefits include health, dental and vision insurances, retirement savings plan, paid time off, health savings account, flexible spending accounts, life insurance, disability insurance, tuition reimbursement, and more. For more information, check out the "About Us" section.Pay Range: $140,600.00 - $173,100.00

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