C# Jobs in Jacksonville, FL

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Senior C# Full Stack Developer

Precision System Design Inc.

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Remote

Contract

Our Fortune 100 direct client is hiring for experienced Senior Full Stack Developers to work on large-scale IT projects. You would be designing and coding in a variety of technologies supporting and developing an Vue/Angular UI application, with C# back-end microservices. The ideal candidate will have strong C# development experience, has worked with front-end technologies such as angular, and back-end experience with SQL Server. This role can be done fully remotely following an EST work schedul
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Posted 13 days ago | Updated moments ago

C# Software Developer

Zachary Piper Solutions, LLC

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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
Posted 53 days ago | Updated 27 days ago

C# Developer

Kforce Technology Staffing

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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
Posted 13 days ago | Updated 5 hours ago

Senior Software Engineer (Cloud Native - C#/.NET)

Copeland

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Remote or Kennesaw, Georgia, USA

Full-time

About Us We are a global climate technologies company engineered for sustainability. We create sustainable and efficient residential, commercial and industrial spaces through HVACR technologies. We protect temperature-sensitive goods throughout the cold chain. And we bring comfort to people globally. Best-in-class engineering, design and manufacturing combined with category-leading brands in compression, controls, software and monitoring solutions result in next-generation climate technology th
Posted 9 days ago | Updated 12 hours ago

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

Kellton

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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
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Posted 60+ days ago | Updated 18 hours ago

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

Esri

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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
Posted 60+ days ago | Updated 12 hours ago

C# Dot Net Developer (Capital Market, Trading, Investment Management)

Magnum Technologies, Inc.

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Remote

Full-time

JOB DESCRIPTION: Job Title: C# Dot Net Developer (Capital Market, Trading, Investment Management) 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 r
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Posted 3 days ago

.Net/C# Developer

Collabera LLC

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Remote or New York, New York, USA

Full-time

Hybrid role at NYC Qualifications: - 8+ years of experience in software development with a strong focus on .Net and C# technologies. - Extensive experience and deep understanding of fixed income markets, including bonds, interest rate derivatives, and other related products. - Proven experience in capital markets, with a strong grasp of trading systems, risk management, and financial instruments. - Solid understanding of object-oriented programming, design patterns, and software development
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Posted 60+ days ago | Updated 8 hours ago

Senior Software Engineering (RPA - Automation Anywhere 360 & C# .NET)

Mastercard

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Remote or O'Fallon, Missouri, USA

Full-time

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest po
Posted 60+ days ago | Updated 12 hours ago

Senior Software Engineer/Golang Developer

Fiserv

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Jacksonville, Florida, USA

Full-time

Calling all innovators - find your future at Fiserv. We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants, and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a diffe
Posted 8 hours ago

Senior Software Engineer/Golang Developer

Fiserv

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Jacksonville, Florida, USA

Full-time

Calling all innovators - find your future at Fiserv. We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants, and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a diffe
Posted 8 hours ago

Senior QA Analyst

Kforce Technology Staffing

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Remote or Jacksonville, Florida, USA

Contract

RESPONSIBILITIES: Kforce has a client in Jacksonville, FL that is seeking a Senior QA Analyst to join a dynamic sprint team. This individual will play a key role in enhancing and maintaining automated testing frameworks while contributing to monthly deployments. Duties: * Senior QA Analyst will design, develop, and maintain automated test frameworks for UI and APIs using C#, .NET, and NUnit * Write and execute SQL queries to support complex test validations * Collaborate closely with developers
Posted 10 hours ago | Updated 5 hours ago

Application Penetration Tester II

Vaco by Highspring

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Jacksonville, Florida, USA

Full-time

Job Title: Application Security Tester (Mid-Level) Employment Type: Full-Time Location: Onsite Washington, DC Work Authorization: Must be authorized to work in the U.S. (no sponsorship available) OverviewWe are seeking a mid-level Application Security Tester. The ideal candidate will have strong communication skills, a passion for innovation, and the ability to solve complex problems in a collaborative environment. This role involves hands-on security testing of web and mobile applications, inc
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Posted 47 days ago | Updated 7 days ago

Senior Salesforce Developer

GDH

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Remote

Contract, Third Party

Job Description: Our client is seeking a highly skilled and experienced Senior Salesforce Developer to join their dynamic team. This role involves designing, developing, and enhancing Salesforce systems to meet evolving business needs. The successful candidate will be responsible for ensuring robust, scalable, and efficient backend systems. Responsibilities:Develop, customize, and optimize Salesforce solutions using Apex, Lightning Web Components, and other relevant technologies to align with
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Posted 19 hours ago

.Net Developer & Devops Engineer (Only W2 & 8+ years profiles)

Primesoft, Inc

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Remote

Contract

Greetings from Primesoft Inc Title: .Net Developer & Devops Engineer Location: Remote Skills Required C# .Net Regards Naveen Primesoft Inc naveen dot p at primesoftinc dot com
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Posted 4 days ago

Data Engineer

GDH

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Remote

Contract, Third Party

Job Description: Our client is seeking a highly skilled Data Engineer to join their Enterprise Data Services Team for a 6-month contract, with the possibility of extension or conversion to permanent status. This role is pivotal in supporting their dynamic ETL processes and data integration projects. While this position allows for remote work, priority will be given to candidates who are local to Tulsa. The successful candidate will bring a robust background in data engineering, with a strong pr
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Posted 19 hours ago

Healthcare Virtual Hiring Fair

Gainwell Technologies LLC

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Jacksonville, Florida, USA

Full-time

Summary 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 a
Posted 60+ days ago | Updated 8 hours ago

Senior Avaya Engineer | Remote | Contract

Walker Healthforce

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Remote

Contract

Senior Software Engineer (AVAYA Integration & Automation, .NET, C#) | Government Clearance Required | 8+ years of Experience | Remote | Contract Walker Healthforce is seeking a Senior Software Engineer with 8+ years of experience to support a healthcare client. Candidates should have a strong background in development w/ direct knowledge of AVAYA automation and integration, .NET technologies, C#, and Microsoft SQL Server. This is a 4-month contract with potential for extensions. START DATE:ASAP
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Posted 38 days ago | Updated 12 days ago

Gameplay Software Engineer II

BCforward

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Remote

Contract

Gameplay Software Engineer II BCforward is currently seeking a highly motivated Gameplay Software Engineer II for a REMOTE opportunity. Position Title: Gameplay Software Engineer II Location: PST preferred - remote Anticipated Start Date: July 24, 2025 Please note this is the target date and it is subject to change. BCforward will send official notice ahead of a confirmed start date. Expected Duration: 06 Months Job Type: Contract - [FULL TIME (40 Hours a week)] Pay Range: $70.73/hr-$75.4
Posted 3 days ago | Updated 4 hours ago

Internal Application Developer

Summit Racing Equipment

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Remote

Full-time

This position is able to be a remote work from home position. Must live in Florida, Georgia, Nevada, Ohio, Tennessee or Texas to be considered. SUMMARY Developers are responsible for collaborating in a team-oriented environment to define requirements, design, develop, and maintain software applications. They must be capable of critical thinking and have good problem-solving and communication skills. They also must also demonstrate dedication to continuous learning and staying up to date with eme
Posted 3 days ago