Senior C# Developer Jobs in Oak Brook, IL

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Senior .NET Developer / C#, .NET 6, AWS Lambda / Video Streaming

Motion Recruitment Partners, LLC

On-site in Chicago, Illinois, USA

Full-time

A media software engineering company is currently looking for a Senior Software Engineer that has experience with Video Streaming. This company recently acquired their small competitor and are really taking a hold of the video streaming market. They build systems for broadcast television, such as news production systems and master control. As a Senior Software Engineer, they want someone who is self-motivated, capable of high programing productivity, and interested in learning about video, TV,

Sr. ETL Developer

Softworld, Inc.

On-site in Chicago, Illinois, USA

Contract

Sr. ETL Developer - Chicago IL 60602 100% remote Ab Initio and/or SSIS ETL expertise Strong SQL programming REST APIs / API Integrations JOB DESCRIPTION: Senior ETL Developer The Senior ETL Developer is responsible for building and maintaining the district's data infrastructure and data integration. This includes ensuring high quality data is integrated both between internal applications as well as with our external partners. Additionally, the Senior ETL Developer will be responsible for buildi

Senior Quantitative Researcher, Strategy Developer, Buy-Side - R

Next Step Systems

On-site in Chicago, Illinois, USA

Full-time

Senior Quantitative Researcher, Strategy Developer, Buy-Side, Chicago, IL This Senior Quantitative Researcher position is 100% Onsite and NOT open for Remote. Company Will Sponsor Visas! Company Will Relocate Candidates! Senior Quantitative Researcher, Strategy Developer Responsibilities: - Work collaboratively with the technology and business teams to develop an understanding of complex financial markets, products, and strategies. - Analyze financial market data to identify patterns and poten

Senior C++ Trading Software Developer - R

Next Step Systems

On-site in Chicago, Illinois, USA

Full-time

Senior C++ Trading Software Developer, Chicago, IL This Senior C++ Trading Software Developer position is 100% Onsite and NOT open for Remote. Company Will Sponsor Visas! Company Will Relocate Candidates! Senior C++ Trading Software Developer Responsibilities: - Work collaboratively with technology and business teams on trading and research platforms. - Design and implement high quality software solutions used for algorithmic trading, exchange connectivity, and research. - Explore and work wit

Senior DevOps Manager / Hands On, C#/.NET, Azure Required

Motion Recruitment Partners, LLC

On-site in Chicago, Illinois, USA

Full-time

Job Description We are helping a company opportunity where innovation fuels impactful transformations. At this cutting-edge organization, document lifecycle management is undergoing a revolution, reshaping how legal and life sciences professionals engage with documents. The team is committed to harnessing technology for enhanced efficiency and precision. As a DevOps Manager, one can lead initiatives to streamline operations, cultivate teamwork, and deliver exceptional solutions to clients. Join

Python Developer with some enterprise level C# experience

nfolks

Remote

Contract

Hi, need a Python Developer with some enterprise level C# experience. 100% remoteLong term contract Needs to be a Python Developer but they need some C# development experience in an enterprise environment (not self-learning or side projects). Sincerely, HR Manager nFolks Data Solutions LLC Phone: Email:

VB6/ C# Developer (REMOTE, EST)

Dexian DISYS

Remote

Full-time, Contract

Position: VB6/C# Developer Location: REMOTE Duration: 6 month contract Needed: A programmer fluent in both VB6 and CSharp This person would be converting 10 similar projects from VB6 to CSharp They would be responsible for verifying the converted code through common testing processes They would report to me and I would work with them to verify proper operation of the converted code Dexian is a leading provider of staffing, IT, and workforce solutions with over 12,000 employees and 70 locations

Financial Client - Sr Application Developer (C# with Heavy SQL exp)

Kellton

Remote

Third Party, Contract

My Direct Financial Client has an Application Developer (C#, SQL) opportunity. If interested, please respond to the job posting. Sr C# SQL Developer (Must have strong SQL coding skills) 100% REMOTE Duration: 2yrs + possibility of extension or conversion. C2C OR W2 is fine. Position Description: 12+ years of total IT experience. Hands on Coding in C# .net and SQL (some exp desgining databases) Main responsibility would be working on the backend (C# .NET). Prior experience with hedge fund investme

W2 - Azure Application Developer (Angular, PrimeNG, .NET C# API, SQL, MSAL, SASS, ECMAScript) - Remote

Tanson Corp

Remote

Contract

Description: Scope of Services 1. County business need/background The Client Health and Human Serivces ITRM would like to bring in a consultant with experience assisting teams in developing cloud first & mobile first web applications with Angular and .NET API hosted in Azure. The focus of this engagement would be merging multiple on-prem finance applications into a financial system. 2. Work to be performed Expected deliverables: Apply best practices and assist development team in creating mobil

Senior .Net Developer

Randstad Digital

Remote

Full-time

job summary: Our Client is seeking a highly skilled Senior .Net Developer who is passionate about delivering top notch, software solutions with high quality. In this role you will play a pivotal part in development and enhancement of our APIs & Software Applications. Your primary focus will be on designing, coding, testing, troubleshooting and deploying.net APIs & Applications On Prem and also on Azure cloud services. location: GRAND RAPIDS, Michigan job type: Contract salary: $59 - 60 per h

Remote Senior .NET Developer

Vaco Technology

Remote

Full-time

12+ month contract engagement at $70-80/hr DOE Our teams are self-managed and cross-functional. We are focused on delivering value to the company through technical solutions. Each team is composed of Developers, Quality Assurance Engineers, a Product Owner and a Scrum Master. As a team member, you will be involved in defining solutions, estimating effort and collaborating with other team members to deliver. Participate in team activities (i.e. Sprint Planning, Story Grooming, Sprint Retros, etc

Sr. API Developer

On-Board Services

Hybrid in Schaumburg, Illinois, USA

Contract

On-Board Administrative is hiring a Sr. API Developer For immediate consideration please send your resume to Subject Line: Position Title and State you areLocated About Us: On-Board Services, Incorporated is an on-site contract service provider for a local manufacturing entity providing full time positions to our employees. We offer benefits as well as 401k. Position Details: Position Type: Full-Time/Contract Job Location: Schaumburg, Il Benefits: 401K, Dental insurance, Life Insurance, Medica

Sr. Scala Developer

Randstad Digital

Remote

Contract

job summary: Candidates should have the following skillsets Functional programming using Scala -Akka as the implementation of the actor model -Akka Streams -Reactive/event driven systems architecture -Play, Spring, or other web service frameworks -Azure Event Hubs or Kafka -Cassandra and other big database implementations location: San Bruno, California job type: Contract salary: $75 - 80 per hour work hours: 8am to 5pm education: Bachelors responsibilities: Contribute to overall system de

Senior .NET Back-End Developer

Vaco Technology

Remote

Full-time

The developer role we are offering is a pivotal position within our Interfaces development team, dedicated to building robust EHR and data integration pipelines. If you are a highly skilled software developer who embodies the following values and skills, we would love to connect with you! Contributing to a team culture built on trust, collaboration, and a commitment to excellence. Treating software development as a craft, not just a job. Ensuring the quality of your work through test automation.

Senior Full Stack Developer

Randstad Digital

Remote

Contract

job summary: Our client is seeking a Senior Application Developer. The role will be as a key contributor to the integration, design, development, enhancement and implementation of the different systems within the Group Benefits suite of applications. The developer will work as part of an integrated development team working closely with business and IT technical team members. The project team will work in an Agile development methodology and will provide incremental releases of product function

Sr. BI Developer (PowerBI)

thestaffinghub

Remote

Contract

The Senior BI Developer will be responsible for expanding MSI's technical capability and automation practices within its Business Intelligence organization. He/she will act as a developer focused on helping the BI team accelerate delivery of content through creating and maintain BI-Focused database structures, scripts, stored procedures, automation/scheduling capabilities, and various programmatic methods to support data wrangling, visualization, and advanced Power BI capabilities. This role wil

Senior Frontend .NET Developer

Randstad Digital

Remote

Contract

job summary: Our client is looking to hire a Senior Application Developer. This role will be as a key contributor to the integration, design, development, and implementation of the new system. The developer will work as part of an integrated development team working closely with business and IT technical team members. The project team will work in an Agile development methodology and will provide incremental releases of product functionality. location: Arlington, Virginia job type: Contract

Senior Fullstack Developer(NodeJS, Angular, AWS, github)

Randstad Digital

Remote

Contract

job summary: The Senior Full Stack Engineer serves as a technical resource and participates in all phases of the development life cycle. The Senior Full Stack Engineer analyzes business logic and technical challenges and will shape and deliver the Company's future. The Senior Full Stack Engineer analyzes, configures, and tunes applications and is knowledgeable in digital technologies. The Senior Full Stack Engineer supports development standards and general best practices for development. locat

Senior .NET Developer

Jobot

On-site in Chicago, Illinois, USA

Full-time

100% REMOTE Senior .NET Engineer / Senior Full Stack Developer Needed for Growing Security Organization! This Jobot Job is hosted by: Reed Kellick Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $130,000 - $145,000 per year A bit about us: We are the growing software division of an established organization in the security industry. Our company has been around for over 15 years and we employ over 400 people. Our team is currently looking to

Sr. Business Central Developer - Chicago - $125k - Remote

Nigel Frank International

Hybrid in Chicago, Illinois, USA

Full-time

Sr. Business Central Developer - Chicago - $125k - Remote Are you an experienced Business Central Developer looking to take a step into a leadership role? Are you sick of consulting in the Microsoft Partner channel and want to join an end user? Would you like to join a global company that still retains the feel of a small, tight-knit team? If you answered yes to all three of these questions, then this is the job for you! My client is a Business Central end user in the agriculture sector who