J2EE jobs in Chicago, IL

Chicago, Illinois

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9d ago

Hiring: Job Title: Java Lead Engineer Location: Chicago, IL (Local Candidates Preferred) Duration: 12 Months Job Summary Caterpillar is seeking an experienced Java Lead Engineer to contribute to the design, development, and deployment of next-generation digital platform solutions. The ideal candidate will have strong backend development expertise, cloud experience with AWS, and proven leadership experience managing geographically distributed teams. Required Qualifications Bachelors degree or hi

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Contract

50 - 75

Sr Java Developer

Chicago, Illinois

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10d ago

Job Details: Position: Sr Java Developer Location: Chicago, IL (Hybrid - 2 3 days/week) Type: Contract - (W2, 1099)/Full Time Job Overview: We are seeking experienced Sr Java Developer with strong expertise in AWS cloud technologies to join our engineering team. These roles report to the Software Engineering Manager and involve contributing to new program development and maintaining existing mobile, web, cloud, and server systems. Candidates must be comfortable working in a collaborative Agile

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Contract

$50 - $60

Senior Java Developer

Chicago, Illinois

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11d ago

Required Technical Skills Strong AWS expertiseAdvanced Java and/or KotlinSpring BootMicroservices architectureRESTful API design (OpenAPI/Swagger)SQL & Relational DatabasesNoSQL databases (DynamoDB, MongoDB, Cassandra)CI/CD & build/deploy automationKafka / Data Streaming / Asynchronous MessagingObservability & Production Troubleshooting

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Full-time

Depends on Experience

Java Tech Lead

Chicago, Illinois

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18d ago

Job Title: Java Tech Lead Location:Chicago, IL (Day 1 onsite) Duration: 12+ Months Domain: Finance or Banking is must Primary Skills: Foreign Exchange Job Description : Expectations Hands-on Tech Lead with strong design and development expertise. Responsible for mentoring and guiding the POD team. Strong technical depth with prior experience in Event-Driven Architecture (EDA). FX domain experience is good to have. Looking for a highly technical and delivery-focused resource who is fully ha

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Contract

Depends on Experience

Lead Java Engineer (Contract-to-Hire)

Hybrid in Chicago, Illinois

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10d ago

Job Title: Lead Java Engineer (Contract-to-Hire) Location: Chicago, IL Hybrid (Minimum 2 days/week in office) Role Overview We are looking for a Lead Java Engineer to support the development of scalable data and analytics platforms. This role requires strong technical leadership, stakeholder communication, and coordination across onshore/offshore teams. The ideal candidate will have hands-on expertise in Java, Spark, and Google Cloud Platform, with experience working with large financial dataset

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Full-time

80,000 - 120,000

(JAVA FULL STACK DEVELOPER)

Chicago, Illinois

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Today

Job Title: Java Full Stack Developer/Only W2 Work Location: Chicago (on-siteposition) Hybrid mode of working: 3 days to client office in Chicago Positions: 1-2 based out of Chicago Key Responsibilities Develop full stack applications using ReactJS and Java (Spring Boot / Spring Cloud) Design and build REST APIs and microservices Implement event-driven solutions using Kafka and JMS Work with JPA/Hibernate for data persistence Develop high-performance, multi-threaded applications Deplo

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Contract

Depends on Experience

Sr Software Engineer (Backend Java /AI)

Chicago, Illinois

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Today

Sr Software Engineer (Backend Java /AI ) Location : Chicago ,IL Hybrid Long term Contract Must Have: Core AI & Data Engineering Tool Calling & Schema Design: Expertise defining functions via JSON schemas to provide agents with toolboxes for executing code, interacting with CRMs, and searching databases. RAG & Vector Databases: Experience parsing, cleaning, and feeding structured and unstructured data into LLMs, alongside strong knowledge of vector stores (e.g., Pinecone). Model Context Protoco

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Full-time, Part-time, Contract, Third Party

Java Engineer with AWS (W2 Contract Position)

Chicago, Illinois

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14d ago

URGENT REQUIREMENT Java Engineer Client Location: Chicago, IL Duration: 12+ months Onsite W2 Position. JAVA ENGINEER AWS NATIVE EXPERIENCE IS MUST. JOB DESCRIPTION: Responsibilities Participate in technical planning & requirements gathering phases including Design, code, test, troubleshoot, and document engineering software applications. Ensuring that technical software development process is followed on the project, familiar with industry best practices for software development.Develop applicat

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Contract

Depends on Experience

Lead Backend Engineer/Technical Lead-Java Trading Systems

Hybrid in Chicago, Illinois

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22d ago

Candidates who are primarily looking for task-based development work may not be the right fit; this role requires technical ownership before, during, and after implementation. We are seeking a hands-on Lead Backend Engineer / Technical Lead to help design, evolve, and extend the backend and middleware systems that support our trading and market data infrastructure. This is not a ticket-only development role. We are looking for someone who can take business needs, operational problems, and high-l

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Full-time

190000 - 225000

Lead SDET Automation (Java + Selenium) with Gen AI Testing:: Chicago, IL , Houston , TX ( Need Locals /Day1 Onsite )

Chicago, Illinois

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Yesterday

Role : Lead SDET Automation (Java + Selenium) Location : Chicago, IL , Houston , TX ( Need Locals /Day1 Onsite ) Duration : 12 Months Responsibilities: Key Skills :: Enterprise Test Automation, Automation Framework Design, Selenium/Playwright/Cypress, API Testing, CI/CD (Jenkins/Azure DevOps), Java/Python/C#, Agile, Test Strategy & Quality Governance. Leadership, Risk Management, Automation ROI, Test KPIs & Power BI Reporting, AI/GenAI in Testing, Stakeholder Management, Release/Production

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Third Party, Contract

JAVA (AWS NATIVE EXPERIENCE) CONSULTANT

Chicago, Illinois

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10d ago

JAVA ENGINEER AWS NATIVE EXPERIENCE IS MUST. Develop applications in languages including Java Springboot MicroservicesAWS ( Java Spark, EMR)OCP (Open shift) - alternately strong Kubernetes experience

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Full-time

$65 - $65

Java Full Stack Developer

Hybrid in Chicago, Illinois

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Yesterday

Must haves: Resource must have 5+ years of experience and needs to be very strong in Java Backend and have average knowledge of React.Resource needs a deep understanding of the Spring Framework, REST API, Kafka, and Spring Security.Resource needs solid hands-on coding, and there will be a coding assessment as well during the client interview.Knowing GitHub Copilot is a bonus Nice to have: Developing applications in Java 8 SpringBoot framework.Familiar with Spring Cloud project and concepts.Fami

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Contract

$60 - $70

Lead Java Developer

Chicago, Illinois

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Today

3Core Systems, Inc is an SAP and Success Factors Partner with employees located across the United States. Our organization is dedicated to customer and employee satisfaction. We provide High Quality, Cost efficient and Competitive Solutions and Resources. 3Core Systems is looking for a Lead Java Developer for one of our clients Chicago, IL, 60606 Job Title: Lead Java Developer Job Location: Chicago, IL, 60606 Duration: 13 Months Work Model Details: Onsite 2-3 days/week Shift: M-F, 8-5 Must Have

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Contract

Depends on Experience

FullStack Java Software Engineer III - React / AWS

Chicago, Illinois

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Today

Job Description We have an exciting and rewarding opportunity for you to take your software engineering career to the next level. As a Software Engineer at JPMorganChase within the Commercial & Investment Bank, you serve as a seasoned member of an agile team to design and deliver trusted market-leading technology products in a secure, stable, and scalable way. You are responsible for carrying out critical technology solutions across multiple technical areas within various business functions in

Full-time

USD 114,000.00 - 155,000.00 per year

Senior Java Engineer

Chicago, Illinois

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Today

We are hiring a Senior Java Engineer to join our client remotely! Responsibilities Develop and maintain Java-based backend services using Spring Boot.Design, build, and support event-driven architectures leveraging Kafka.Create and manage Kafka topics that support internal systems, downstream consumers, and enterprise integrations.Build scalable REST APIs and microservices that support high-volume transactional workloads.Design solutions that ingest, process, store, and retrieve data from Dynam

Full-time

USD 70.00 - 85.00 per hour

Java Software Engineer

Chicago, Illinois

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Today

Salary range is: $84,723.57 - $120,000.00 This position is bonus and/or commission eligible. Intelligent Solutions Inc. () is a leading cloud platform for the multi-trillion-dollar insurance economy, creating intelligent experiences for insurers, repairers, automakers, part suppliers, and more. At , we're making life just work by empowering more than 35,000 businesses with industry-leading technology to get drivers back on the road and to health quickly and seamlessly. We're pushing boundaries

Full-time

USD 84,723.57 - 120,000.00 per year

Senior Software Engineer (Java) - Bank Payments

Chicago, Illinois

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Today

This is Adyen Adyen provides payments, data, and financial products in a single solution for customers like Meta, Uber, H&M, and Microsoft - making us the financial technology platform of choice. At Adyen, everything we do is engineered for ambition. For our teams, we create an environment with opportunities for our people to succeed, backed by the culture and support to ensure they are enabled to truly own their careers. We are motivated individuals who tackle unique technical challenges at sc

Full-time

USD 180,000.00 - 243,000.00 per year

Senior Software Engineer (Java) - Bank Payments

Chicago, Illinois

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6d ago

Full-time

USD 180,000.00 - 243,000.00 per year

Senior Full Stack Engineer (React Native/Java)

Chicago, Illinois

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Today

We are hiring a Senior Full Stack Engineer (React Native/Java) to join our client remotely. This position is heavier React Native leaning. Responsibilities Develop and maintain cross-platform mobile applications using React Native and TypeScript.Design, build, and integrate RESTful APIs using Java and Spring Boot.Collaborate with Product Managers, Designers, and Engineers to deliver new features and enhancements.Develop reusable, scalable, and performant mobile UI components.Implement state man

Full-time

USD 65.00 - 75.00 per hour

Software Engineer (C++, Python, GoLang, or Java)- Onsite 2 Days - Chicago, IL - FreeWheel

Chicago, Illinois

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Today

FreeWheel, a Comcast company, provides comprehensive ad platforms for publishers, advertisers, and media buyers. Powered by premium video content, robust data, and advanced technology, we're making it easier for buyers and sellers to transact across all screens, data types, and sales channels. As a global company, we have offices in nine countries and can insert advertisements around the world. Job Summary FreeWheel's mission is to build great advertising software. We offer the most extensible

Full-time

USD 109,759.26 - 164,638.89 per year

J2EE jobs in Chicago, IL, USA