c# developer Jobs in chicago, il

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C# Developer

Kforce Technology Staffing

Remote or Boca Raton, Florida, USA

Contract

RESPONSIBILITIES: Kforce has a client that is seeking a C# Developer in Boca Raton, FL. Key Responsibilities: * Architect, develop, and maintain a modern full-stack multi-tenant SaaS platform using .NET 9, C#, and Azure * Apply Domain-Driven Design () and clean architecture principles to support scalability, maintainability, and long-term growth * Build intuitive and responsive front ends using Telerik UI for ASP.NET Core, Bootstrap, Razor Pages, HTML, jQuery, and JavaScript * Design and implem

C# Developer

Headway Tek Inc

US

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

1.C# Dev -AKS & Azure Requirement: C#, Asp.Net Azure Kubernetes Services (AKS) or Kubernetes Azure Cosmos DB REST API/ Microservices MS Experience Knowledge of Al Other requirements: Communication: Good Onsite/Offshore Co- ordination Passionate about Learning Should be able to work in couple of overlap PST hours Should work in PST time zone

*C# Developer with Strong SQL Development experience (Experience working in Hedge Fund background)*

Kellton

Remote

Contract

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: Po

Commodities Application Developer (C#, React, TypeScript) - AVP - Houston (Hybrid)

Citi

Remote or Houston, Texas, USA

Full-time

The role is for a C# developer who will be working within a small team on Commodities Marking and Market Discovery Platform used by traders across the regions. We offer the opportunity to grow professionally, learn new technologies and gain business knowledge. Responsibilities: Develop the Platform using C# with an opportunity to learn React during WPF to React migrationWork directly with quants and traders to specify requirements and own deliveries and 3rd line support to provide daily communi

C# Software Developer

Zachary Piper Solutions, LLC

Remote

Full-time

Piper Companies is seeking a C# Software Developer to join a leading shipping and logistics organization. The C# Software Developer will work on backend development, automate workflows, and assist in designing cloud-based applications, with an emphasis on data. Responsibilities of the C# Software Developer include: Lead the design, development, testing, and deployment of .NET C# applications. Architect complex data structures for rate audits of parcel carrier invoice files. Design, develop, an

C# Dot Net Developer with Prime Brokerage & Capital Market

Magnum Technologies, Inc.

Remote

Full-time

JOB DESCRIPTION: Job Title: Senior .NET Developer with Investment Banking Systems Experience: 7+ years Location: NYC(Remote) C2H/ W2 only Overview: We are seeking a Senior .NET Developer consultant with strong expertise in Investment Banking Systems for a Contract-to-Hire (C2H) position. The ideal candidate must have hands-on experience in Stock Loan business functions and familiarity with systems like Global One, Loanet, and EquiLend interfaces. Strong technical proficiency is required in C#/.N

C#.NET API Developer

TriCom Technical Services

Remote

Contract

C#.NET API Developer Summary This C#.NET API Developer will focus on developing financial applications, creating workflows, and API integration. Responsibilities Support the company's financial systems.Develop Web-based solutions for internal customers business needs using C#/MVC.NET and MS SQL.Develop methods and processes to interact with various Cloud-based APIs using SOAP and RESTful APIs.Develop and maintain data synchronization between various systems within and between the company and o

Software Developer (C#, .NET framework, .NET Core, JavaScript, and CSS)

Techgroup America Inc.

Remote

Contract

Job Details Position: Software Developer Location: Remote Duration: 6-month contract Start Date: 7/21/2025 Description: The Software Developer Level 3 is responsible for leading a small agile development team within our Enterprise Services & Integrations systems. This role involves designing, developing, and implementing software solutions using C#, .NET framework, .NET Core, JavaScript, and CSS. The ideal candidate will have experience building RESTful APIs, web services for data transfer an

.NET Microservices Developer - (C#, .NET Core, ASP.NET, SQL Server)

Cloud and Things

New York, USA

Contract, Third Party

Our goal is to solve problems and deliver results for our clients. At Cloud and Things, you can be a part of transforming the public sector's IT environment. Our team is on the forefront of helping to solve the government's most complex IT challenges. If you are seeking a role that offers the opportunity to work on rewarding projects, consider a career with Cloud and Things. *This is an exempt position. Salary commensurate with experience* Overview: We are seeking a .NET Microservices Developer

Developer - .Net, C# Information Technology

United Airlines

Chicago, Illinois, USA

Full-time

Description Find your future at United! We're reinventing what our industry looks like, and what an airline can be - from the planes we fly to the people who fly them. When you join us, you're joining a global team of 100,000+ connected by a shared passion with a wide spectrum of experience and skills to lead the way forward. Achieving our ambitions starts with supporting yours. Evolve your career and find your next opportunity. Get the care you need with industry-leading health plans and best-i

Senior Developer - .Net, C# Information Technology

United Airlines

Chicago, Illinois, USA

Full-time

Description Find your future at United! We're reinventing what our industry looks like, and what an airline can be - from the planes we fly to the people who fly them. When you join us, you're joining a global team of 100,000+ connected by a shared passion with a wide spectrum of experience and skills to lead the way forward. Achieving our ambitions starts with supporting yours. Evolve your career and find your next opportunity. Get the care you need with industry-leading health plans and best-i

C# .NET Developer

Sun Technologies,Inc.

Remote

Contract

Job Title: C# .NET Developer Duration: up to 6 months contract (with the possibility of extension) Location: Remote Work Pay Range: $90.58 per hour on W2 Featured Benefits: Medical Insurance in compliance with the ACA401(k)Sick leave in compliance with applicable state, federal, and local laws Job Description: The successful candidate will be responsible for the development, configuration, management, and maintenance of these applications, ensuring seamless functionality and optimal performanc

Sr. Software Developer - C#/WPF for UI/UX Development

Esri

Remote

Full-time

Overview This is a great opportunity to join a fast-paced agile team that works with the latest technologies and patterns, asynchronous programming, and MVVM to design and develop next-gen Esri software. We are focused on designing and developing solutions for working with raster and imagery in ArcGIS Pro. Our tools support complex real-life workflows in 2D & 3D for raster / image processing and analysis. If you are excited about user interaction and user interface development, then join our cr

MES Developer with .net and C#

Indotronix International Corp

Remote

Contract

Role: MES Developer Location: Remote Pay Rate: $77/Hr on W2 Duration: 6+ Months Location: Remote, required to be within 1-2 hour commutable distance in one of the following client office locations: - Corning, NY - Charlotte, NC - Vineland, NJ - Phoenix, AZ - Hemlock, MI - Hickory, NC - Blacksburg, VA - Keller, TX - Boston, MAKey Responsibilities: Strategic view and understanding of Siemens Opcenter/Camstar Execution to lead design and development efforts across client. Design, implement,

Contract, C# Developer

Request Technology, LLC

Chicago, Illinois, USA

Contract

Contract, C# Developer Rate: open Location: Chicago, IL In-office role 5 days a week Duration: 12 months minimum **This role is not open to Third Party Firms/Recruiters** A prestigious financial consulting firm is seeking a C# Developer to support in the transformation from Angular UI to Blazor UI. Candidates from both enterprise and/or startup environments are encouraged to apply. Qualifications Bachelors degree requiredMinimum 5 years proficiency in C# Full Stack and AngularBlazor UI working

UI Developer (.Net C#, APIs) Remote

Gainwell Technologies LLC

Remote or Milwaukee, Wisconsin, USA

Full-time

Be part of a team that unleashes the power of leading-edge technologies to help improve the health and well-being of those most vulnerable in our country and communities. Working at Gainwell carries its rewards. You'll have an incredible opportunity to grow your career in a company that values work flexibility, learning, and career development. You'll add to your technical credentials and certifications while enjoying a generous, flexible vacation policy and educational assistance. We also have

Senior Java Developer

Custom Business Solutions, Inc.

Chicago, Illinois, USA

Full-time

NO SUBCONTRACTS, C2C or 1099 applicants. W2 candidates only. Custom Business Solutions, a Michigan-based talent agency, is seeking an experienced Senior Java Developer for a hybrid opportunity in Chicago, Illinois. Qualified candidates submitting an application will be considered for this direct hire opportunity. This is an exciting opportunity to work with a growing insurance client, and we re looking for someone passionate about hands-on development. REQUIRED TECHNICAL SKILL SET: Senior-level

Software Engineer - Blazor / C# / Angular

Request Technology, LLC

Chicago, Illinois, USA

Full-time

NO SPONSORSHIP Backend C# Developer / Blazor / Angular CONSULTANT SALARY: Our Rate: open LOCATION: Chicago, IL Onsite 5 days a week Duration minimum one year Looking for a candidate with 1-2 years blazor, strong backend c# and previous angular rest api experience must have knowledge of ui/ux must know unit testing As a software consultant, you will assist a group of top-caliber developers responsible for doing test-driven development of software components using C# in multiple layers including

Java / C#.NET Software Engineer - Platform Engineer

Request Technology, LLC

Oak Brook, Illinois, USA

Full-time

NO SPONSORSHIP SOFTWARE ENGINEER PLATFORM ENGINEER - Java / C#.NET SALARY: $97k -$184k plus 15% bonus LOCATION: Oak Brook, IL hybrid 3 days onsite Java & C# .Net developer, who can take Java technology and redesign it in .NET They want to move away from Java totally and eventually do all .NET (backend development/middleware enhancements) Any product development is a plus Internet of things IoT Looking for a candidate to architect and enhance core middleware that powers cloud IoT platform design

Part-time C# .Net / FoxPro Developer - 100% remote (MUST HAVE FOXPRO and live in U.S.)

Columbia Advisory Group

Remote

Contract

C# .Net / FoxPro Developer needed for ongoing contract (6+ months). Role is approximately 20 hours per week (during business hours, and some can be done afterhours) and is 100% remote (must be based in U.S.). Youre a fit if you have: Solid work experience utilizing C# .NetExperience migrating FoxPro code to modernized applications/codebase - FoxPro experience must have been within the last 10 yearsExperience with data/file imports, exports, and data scrubbing/validation routinesDemonstrated abil