OOP jobs in Illinois

Lisle, Illinois

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Today

Description We are looking for a Fullstack Developer - .NET and React to support modern web application development in Lisle, Illinois. This Long-term Contract position is suited for a developer who brings strong experience across backend and frontend technologies, enjoys building scalable solutions, and can contribute effectively within an Agile team. The role focuses on enhancing existing applications, developing new API-driven functionality, and helping improve code quality, performance, and

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Contract

USD 53.20 - 61.60 per hour

App Dev - Java - Lead

Chicago, Illinois

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Today

Position: App Dev - Java - Lead Location: Chicago, Illinois Duration: Contract Job ID: 179511 Job Overview: We are seeking a skilled and experienced Back-End Engineer to join our team as a Lead in Application Development with expertise in Java. The ideal candidate will play a critical role in designing, developing, and maintaining robust back-end systems to support our applications. This is a contract position based in Chicago, Illinois. Responsibilities: Design, develop, and maintain back-e

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Full-time

USD 85.00 - 90.00 per hour

Lead Appian Developer

Remote

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Yesterday

Title: Lead Appian Developer Location: Remote As a Lead Developer will be working as part of the agile development team that provides BPM consulting services to clients across the globe. You will be interacting with customers daily as part of their internal design and development team to help solve their challenging business problems, create innovative solutions, and implement innovative ideas to provide true value to the customer. Role and Responsibilities: Reporting to the Technical Archite

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Full-time, Contract, Third Party

Engineer Embedded Software 3

Rolling Meadows, Illinois

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Today

Location: Rolling Meadows, IL Salary: $60.00 USD Hourly - $75.00 USD Hourly Description: General Information We are looking for an Engineer Embedded Software 3 to support our RF Software department. This position will serve on-site at Rolling Meadows. Responsibilities Designs, develops, operates and maintains software components and computing systems software to be applied to and integrated with engineering, scientific and manufacturing requirements. Applies the appropriate standards, processe

Contract

USD 60.00 - 75.00 per hour

Senior Software Engineer, Core Platform

Remote

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Today

About Upstart At Upstart, we're united by a mission that matters: to radically reduce the cost and complexity of borrowing for all Americans. Every day, we bring creativity, experimentation, and advanced AI to reshape access to credit, helping millions move forward financially with clarity and confidence. As the leading AI lending marketplace, we partner with banks and credit unions to expand access to affordable credit through technology that's both radically intelligent and deeply human. Our

Full-time

USD 166,900.00 - 230,900.00 per year

Senior Software Engineer / Contract / Hybrid in Chicago Suburbs

Chicago, Illinois

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Today

Software company looking to bring on a Senior Software Engineer. You'll be key to driving modernization and growth by developing technical solutions that enhance business operations. You will play an impactful part in modernizing legacy systems, transitioning from VB.NET to C#, and evolving web platforms from ASP.NET to Blazor. You'll also contribute to the ongoing development and improvement of the company's ERP system. This is a 6-month contract position with potential for extension or convers

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Contract

$60 - $70

Hadoop Developer - Remote

Remote or Jacksonville, Florida

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Today

JOB TITLE: Hadoop Developer JOB LOCATION: Remote WAGE RANGE*: 60 - 68/ must be W2 JOB NUMBER: 20717 REQUIRED EXPERIENCE: HADOOP Spark -5-8 years related work experience of IT development/programming/coding professional within a Hadoop environment -Experience with Agile Methodology -HBASE/Scala/Spark development required (all three) -Experience using Hadoop Distributed File System (HDFS) required -Development experience with Kafka required -Data warehousing experience required Required Work

Full-time

USD 60.00 - 68.00 per hour

Lead Android Mobile Engineer

Remote or Madison, Wisconsin

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Today

RESPONSIBILITIES: Kforce has a client that is seeking a Lead Android Mobile Engineer in Madison, WI. Key Responsibilities: Android Application Development: * Design, develop, test, and maintain high-performing native Android applications using Kotlin and modern Android frameworks * Deliver scalable, secure, and reliable mobile solutions that support critical customer interactions * Collaborate with Product Owners, UX Designers, QA Engineers, and Backend Developers to deliver customer-focused fe

Contract, Third Party

$70 - $80 hourly

Senior Software Engineer / .NET / Hybrid in Chicagoland

Bolingbrook, Illinois

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Today

Software company looking to bring on a Senior Software Engineer. You'll be key to driving modernization and growth by developing technical solutions that enhance business operations. You will play an impactful part in modernizing legacy systems, transitioning from VB.NET to C#, and evolving web platforms from ASP.NET to Blazor. You'll also contribute to the ongoing development and improvement of the company's ERP system. This is a full-time position. They are located in the southwest suburbs of

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Full-time

$120000 - $137000

Senior Software Engineer/Salesforce/Java/Chicago, IL LOCAL

Chicago, Illinois

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Today

Our client, a large enterprise organization, is looking to bring on a Senior Salesforce Engineering Consultant. This role sits at the center of their Salesforce ecosystem, focused on Service and Sales Cloud. *This role is hybrid 2x a week in Lake Forest, IL* This is a chance to take real ownership of a mature Salesforce environment, shaping architecture and best practices rather than just executing tickets. Our client is looking for a builder who can move fluidly between hands-on development and

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Full-time

$140000 - $145000

Python with Quartz

Chicago, Illinois

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12d ago

A client of Innova Solutions is immediately hiring for a Python Developer with Quartz. Position Type: Contract Duration: 12 Months Location: Chicago, IL Job Description: Bachelors degree in Computer Science or similar 3+ years of software development experience 1+ years of Object-Oriented Programming experience Strong knowledge of version control (i.e. git, svn, etc.) Testing (unit, integration, etc.), along with test automation Excellent written oral communication skills Agile developm

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Contract

Depends on Experience

Staff Software Engineer

Remote or San Diego, California

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Yesterday

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Top Secret TRAVEL: Yes, 25% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people\'s lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation\'s history - from the first fl

Full-time

USD 177,000.00 - 265,600.00 per year

Full Stack Engineer - Golang with Pharmacy experience

Remote

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Yesterday

Position Title - Full Stack Engineer - Golang with Pharmacy experienceDuration - 12 monthsTop 5 -Pharmacy ExperienceFull-stack experienceStrong experience working with backend development, specifically GolangComplex data models and large datasets (NoSQL experience, e.g.,MongoDB, preferred)Tech skills requiredMongodbObject Orientated Programming - GolangReactBackend Development Duties:Design and implement robust, scalable full-stack solutions to meet evolving business requirementsLead technical d

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Full-time

Depends on Experience

Sr. Software Engineer

Hybrid in Oak Brook, Illinois

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22d ago

Senior Software Engineer (.NET / Azure / Angular) Location: Oakbrook Terrace, IL (Hybrid - Onsite Mondays & Tuesdays)- MUST CURRENTLY RESIDE IN IL No C2C, third-party vendors, or sponsorship available. About the Role Were looking for a Senior Software Engineer with a strong foundation in C#/.NET or Java development who has evolved into modern .NET and Azure technologies. This role is ideal for someone who enjoys building modern web applications, with a strong emphasis on front-end development u

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Full-time

100,000 - 128,000

Software Test Engineer

Remote or Almont, Colorado

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Today

Description: Remote Our client seeks a Software Test Engineer to support new projects on a team focused on coding-heavy test automation, debugging, and hands-on hardware testing for next-generation CGM transmitters. The role will execute and debug automated tests primarily in Java and C#, develop new automated tests, and perform limited manual and hardware validation in an FDA-regulated environment. The work includes collaborating with a 22-engineer team, using tools such as Eclipse and Intell

Contract

Python Developer with Google Cloud Platform Cloud Exp. (only w2 contract)

Remote or Georgia

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Today

Stellar Consulting Solutions is a boutique business & technology consulting company headquartered in Atlanta, GA. We deliver high quality, agile, and experienced workforce for niche technology projects of any scale. We help forward thinking clients to solve specific problems by understanding their needs and align talent that can move fluidly to match skill supply and demand on a real-time basis. Stellar Consulting has a unique combination of technical and digital skills to recruit, engage, and

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Contract

$42 to 46/hr on w2

Java/AWS Kafka Developer

Remote

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18d ago

Position: AWS Developer (Java) Location: Remote Duration: Long Term Job Description: Proficient in one more object-oriented programming languages - Java Must have skill set : a. REST Webservices development on Java b. REST Webservices (Hosting, consuming and security) c. Webservices security (JWT, SSL / TLS, OAuth2.0 or OIDC). Must have experience in this domain(security). d. Kubernetes e. Golang/Java - recent f. Kafka

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Contract

Depends on Experience

Java Backend Developer

Remote

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10d ago

ob Description:Responsibilities: Design and development of real-time Java applications for the Index Calculation platform. Design and development of asynchronous message-based applications. Integration with third-party Feed Providers for accessing real-time market data. Work on non-functional requirements e.g. High Availability, Scalability, Security, Auditing etc. Participate in multiple software development processes including Coding, Testing, De-bugging & Documentation. Respond to critical pr

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Contract

50 - 60

Senior .NET Developer

Remote

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10d ago

Role Summary An experienced IT Developer is sought to join a collaborative project team responsible for delivering scalable, modern application solutions. This role involves supporting all phases of application development, including design, coding, testing, and deployment. The ideal candidate will contribute to building robust distributed systems, APIs, and integrations within an Agile environment, utilizing current .NET Core technologies. Responsibilities Lead medium to large software developm

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Contract, Third Party

Depends on Experience

Full Stack Java Developer - W2

Remote

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3d ago

Full Stack Java Developer - W2Job OverviewMedinext Global LLC is seeking a talented Full Stack Java Developer with 2-5 years of professional experience to join our growing technology team. The ideal candidate will have strong hands-on experience developing scalable web applications using Java, Spring Boot, REST APIs, and modern frontend technologies such as React or Angular. This is a W2 position offering the opportunity to work on enterprise-level applications, collaborate with cross-functional

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Full-time

80,000 - 120,000

OOP jobs in Illinois, USA