OOP jobs in Illinois

Sr Business Analyst (Payment side)/ Payment Architect / Payment SME

Hybrid in Chicago, Illinois

•

Today

Job Title: Sr Business Analyst (Payment side)/ Payment Architect Location: Chicago, IL (Hybrid) (3 Days Onsite 2 Days Remote)Type: Long Term Contract Payment Architect/BSA Requirements: 1 in Chicago, USA Major Duties: Thoroughly understands decision process issues of technology choice, such as capacities, response time, data interfacing, client server communication, etc. Work with Business and Principal Solution/Enterprise Architects to ensure that the solution meets the strategic direction a

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Third Party, Contract

Depends on Experience

GOLANG DEVELOPER

Illinois

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Yesterday

Role: GO Software Engineers Duration: 6 month + contract to hire Location: Charlotte, NC or Pittsburgh, PA (onsite 3x a week) Requirements: 10 + years of development experience Strong GO/Golang development Java development experience Messaging experience Object oriented development Work on scalable systems Nice to Have: C# RabbitMQ PostgreSQL SQL Kafka -- Thanks & Regards, Pallavi Reddy| Technical Recruiter Thoughtwave Software and Solutions Desk: , EXTN:167 Email:

Contract

0.0

100% REMOTE - Senior IBM Z/OS Assembler Consultant (Mainframe Modernization)

Remote

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8d ago

PLEASE NOTE THAT THIS ROLE WILL NOT START UNTIL JANUARY OF 2026. CANDIDATES MUST BE ELIGIBLE TO WORK WITHIN THE US WITHOUT SPONSORSHIP. Location: 100% remote; candidates must have home office.Duration: 6 months with the opportunity for extension ABOUTWe re seeking a highly experienced IBM Z/OS Assembler Consultant to support the modernization of our client's legacy mainframe application designed for I/O processing and indexing. Originally built to overcome physical tape limitations, this system

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Contract

Depends on Experience

Senior Software Engineer / Contract to Hire / Hybrid in Naperville / C# / Blazor

Chicago, Illinois

•

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-to-hire position. They are located in the south

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Full-time

65/hr - 75/hr

SAP ABAP Cloud - W2 Contract

Remote

•

Today

Job description Involves designing, building, and configuring applications using cloud-optimized ABAP, including skills in the ABAP RESTful Application Programming Model (RAP) and Core Data Services (CDS). Key responsibilities include collaborating with cross-functional teams, gathering requirements, developing technical solutions, conducting testing, and providing technical support. A strong understanding of object-oriented programming, SAP S/4HANA, and potentially SAP Fiori and UI5 is typical

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Contract

$65 - $70

C++ Application Developer

Remote or Hybrid in Jersey City, New Jersey

•

Today

Tradeweb is a global leader in electronic trading for rates, credit, equities, and money markets. As financial markets become increasingly interconnected, our technology enables efficient, multi-asset trading on a global scale. We serve more than 3,000 clients in more than 85 countries, including many of the world?s largest banks, asset managers, hedge funds, insurers, corporations, and wealth managers. Creative collaboration and sharp client focus have helped fuel our organic growth. We facili

Full-time

Senior Software Engineer - AI/ML

Remote

•

Today

About us One team. Global challenges. Infinite opportunities. At Viasat, we're on a mission to deliver connections with the capacity to change the world. For more than 35 years, Viasat has helped shape how consumers, businesses, governments and militaries around the globe communicate. We're looking for people who think big, act fearlessly, and create an inclusive environment that drives positive impact to join our team. What you'll do The role focuses on building and evolving AI/ML-driven soft

Full-time

USD 161,000.00 - 255,000.00 per year

Java Developer, on-site

Arlington Heights, Illinois

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4d ago

Role: Java Developer, on-site in Arlington Heights, IL- Full-time Locations: Arlington Heights, IL(Onsite only) Job description: 378624/ADR Must Have Technical/Functional Skills Experience Required: 8 - 22 + Years Java/J2EE, EJBs, Spring MVC, Spring boot, Hibernate, Restful services, JMS, Interfacing with Kafka/Elastic search. Expertise in React JS framework to develop the SPA. Experienced in React JS and working with React Flux architecture. Experienced in working with Redux architecture using

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Full-time

$100,000 - $130,000

Salesforce Developer

Remote or South Jordan, Utah

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Today

Title: Salesforce Developer Location : 100% remote Target Start Date : 12/1/2025 Type: Contract to Hire Who We Are: We see the world through Salesforce glasses. We love Salesforce, it's our craft and we want to make a Salesforce evangelist out of everyone. We're the kind of people, who in our spare time, learn about and experiment with Salesforce architecture, create and run local Salesforce user groups and geek out on every page of the release notes 3 times a year. Our practice was created by S

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Full-time

Salesforce Developer- Service Cloud Voice expertise and experience - Remote

Remote or South Jordan, Utah

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Today

Salesforce Developer- Service Cloud Voice expertise and experience 100% Remote Start Date: 12-1-2025 Contract to Hire Who We Are: We see the world through Salesforce glasses. We love Salesforce - it's our craft - and we want to turn everyone into a Salesforce evangelist. We're the kind of people who spend our spare time diving into Salesforce architecture, experimenting with new features, running local Salesforce user groups, and geeking out on every page of the release notes three times a y

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Full-time

Java Polyglot Developer / Senior developer ( AI /ML / GEN AI ) : Full Time Role

Remote

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10d ago

Java Polyglot Developer / Senior developer Position Type: Full-time positionLocation: US : RemoteExperience : 4+ yrs expMust Have Skill :One or more additional programming languages such as Python, JavaScript, Scala, Ruby, or Go Experience , AI /ML / GEN AI , Cloud ApplicationsRole Overview: We are seeking an experienced Java Polyglot Developer who is proficient in multiple programming languages and technologies, with a strong foundation in Java. The ideal candidate will have the ability to wor

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Full-time

Depends on Experience

Java Polyglot Developer / Senior developer ( AI /ML / GEN AI )

Remote

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10d ago

Java Polyglot Developer / Senior developer Position Type: Contract / CTHLocation: US : RemoteExperience : 4+ yrs expMust Have Skill : One or more additional programming languages such as Python, JavaScript, Scala, Ruby, or Go Experience , AI /ML / GEN AI , Cloud Applications Role Overview: We are seeking an experienced Java Polyglot Developer who is proficient in multiple programming languages and technologies, with a strong foundation in Java. The ideal candidate will have the ability to work w

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Contract

Depends on Experience

Back End Python Engineer / Fully Remote

Remote or Los Angeles, California

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Today

Job Description A global leader in digital platforms and large-scale software systems is looking for a Backend Engineer to build and enhance mission-critical backend services. You'll work with modern serverless architecture using Python, AWS Lambda, API Gateway, AppSync, Kinesis, SQS, RDS, and S3. This is a contract role full ownership, modern technology, and the ability to ship impactful work that will be used by millions of end users. What makes this opportunity exciting? The environment is f

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Full-time

75/hr - 80/hr

Full Stack Developer with Manufacturing Execution System (MES) exp - Remote

Remote

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8d ago

Job Description Full Stack Developer Manufacturing Execution System (MES) exp - Remote We are looking to hire a candidate with the skills sets mentioned and experience for one of our clients within the pharmaceutical Industry. This is a Remote position. Overview: We are seeking skilled Full Stack Developers to support the implementation of the OSCAR Manufacturing Execution System (MES). This includes enabling electronic batch records (EBR) and integrating equipment with OCPLM for our Frederick

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Contract

$65

C++ Software Engineer - Work From Home - M

Remote

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Today

C++ Software Engineer - Work From Home The successful C++ Software Engineer should be a highly experienced group who are developing systems that will contribute to a low-latency trading platform. This position will be working closely with traders, quants and other software engineers to implement and extend the different parts of the trading infrastructure including low-latency order management and trade execution, tick data infrastructure, back testing and simulation systems, and calculation an

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Full-time

$135,000 - $185,000

AI Engineer (AI Agents)

Remote or Hybrid

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Today

Role - AI Engineer (AI Agents) Location: Remote (USA/CANADA) Duration: Long Term As an AI Engineer specializing in AI Agents, you will play a pivotal role in our organization's transformation strategies by designing and developing domain-specific AI agents and solutions. Prototyping, iterating, and taking these solutions to production, you serve as the technical complement to the business side of the AI Solutions Lead. Your work will involve close collaboration with transformation teams, busi

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Full-time, Contract, Third Party

.NET DEVELOPER | LANSING, MI (2 DAYS ONSITE) ONLY LOCAL

Remote or Lansing, Michigan

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5d ago

JOB TITLE: .NET DEVELOPER JOB DURATION: 10+ MONTHS JOB LOCATION: LANSING, MI (2 DAYS ONSITE) ONLY LOCAL EXPERIENCE: 8+ YEARS VISA: , GC-EAD, -EAD ONLY RATE: $55/HR ON W2 ONLY Job Description We are seeking a skilled .NET Developer to design, develop, and maintain high-quality web and enterprise applications. The ideal candidate should have hands-on experience in .NET Core / .NET Framework, C#, and web technologies, along with strong analytical and problem-solving skills. The role involves

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Contract

USD 50-55

*Senior Fullstack Engineer (strong back-end Node.js, AWS and Javascript)*

Remote

•

8d ago

Kellton Tech is a full-service software development company, offering end-to-end IT solutions, strategic technology consulting and product development services in Web, SMAC (Social, Mobile, Analytics, Cloud), ERP-BPM, and IoT space Our methodology of inventing infinite possibilities with technology helps us develop best in-class and cost effective solutions for our clients. Currently Kellton Tech is looking for talented resources for one of our listed client. Below are the position details Posit

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Contract, Third Party

Depends on Experience

Back-End Developer Legacy Modernization (Java OR C#)

Remote

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Today

Are you passionate about transforming legacy systems into modern, scalable applications? . We specialize in migrating applications from mainframe and legacy environments to modern platforms like Java Spring and C# .NET using automated tools. In this role, you ll contribute to core modernization efforts, enhance reusable libraries, and mentor junior developers. You ll work closely with a collaborative team to deliver high-quality solutions on schedule. What You ll Be DoingWriting clean, efficient

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Contract

Depends on Experience

Full Stack Developer

Remote

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12d ago

We are seeking a seasoned Full Stack Developer specializing in both Java and Angular to join our dynamic team. This role involves designing, developing, and maintaining the middleware and supporting applications for our Digital Banking Platform. The ideal candidate will be adept at building scalable solutions and leveraging modern web technologies to enhance user interactions. This is a fully remote role and can be performed from an approved location. Responsibilities Develop scalable JSON RESTf

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Third Party, Contract

Depends on Experience

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OOP jobs in Illinois, USA