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58 c developer jobs at 35 companies in Saint Augustine Beach, FL

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Software Developer C#.Net
Jacksonville, Florida, United States
OnsiteFull Time
RF-SMART
RF-SMART: Provides mobile inventory and warehouse management software solutions.
2+ YOE2+ years of full-stack web development with C#, JavaScript, HTML/CSS; SOLID OOP; Web API/SPA experience; BS in CS or related field or equivalent; strong communication; willing to travel up to 10%.
C#, JavaScript, HTML, CSS, Web API, Single Page Application
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Senior Electrical/I&C Design Engineer
Tampa or Orlando or Doral or West Palm Beach or Jacksonville
OnsiteFull Time
HDR
HDR: Global provider of engineering, architecture, environmental and construction services.
10+ YOEPE license and Bachelor's in Engineering required, 10+ years power sector experience, skilled in power generation design (hydro, fossil, combined cycle), electrical calculations (load flow, short circuit, grounding, arc flash), equipment specification, team leadership, and design software proficiency.
ETAP, SKM, CDEGS, PLS CAD, AutoCAD, Plant 3D, AutoPipe, Revit, Microsoft Office
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Senior Electrical/I&C Design Engineer
Tampa or West Palm Beach or Doral or Jacksonville or Orlando
OnsiteFull Time
HDR
HDR: Global firm providing architecture, engineering, and environmental services.
7+ YOESenior-level electrical/Instrumentation & Control design engineer with 7+ years in power generation, leading design teams and performing advanced electrical analyses.
ETAP, SKM, CDEGS, PLS CAD, AutoCAD, Plant 3D, AutoPipe, Revit
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3w
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Senior Software Engineer Mission Systems Software Developer
Daytona Beach, Florida, United States
$184k-$250k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
10+ YOEBachelor's degree, 10+ years full life-cycle software development experience with C/C++/C#/Python/Java/Ada/Linux, 10+ years with Git/ClearCase/Subversion, ability to obtain U.S. Secret Clearance, U.S. Person required.
C, C++, C#, Python, Java, Ada, Linux, Git, ClearCase, Subversion, Bitbucket, JIRA, Confluence, CI/CD, DevSecOps, CodeVue
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Senior Software Engineer Mission Systems Software Developer
Daytona Beach, Florida, United States
$184k-$250k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
10+ YOEBachelor's degree, ability to obtain U.S. Secret clearance, 10+ years full life-cycle software development experience with languages such as C, C++, C#, Python, Java, Ada and Linux; 10+ years with version control (Git, ClearCase, Subversion); CI/CD, DevSecOps and team leadership experience preferred.
C, C++, C#, Python, Java, Ada, Linux, Git, ClearCase, Subversion, Bitbucket, JIRA, Confluence, CI/CD, DevSecOps
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Metering Project Engineer- E&C
West Palm Beach or Daytona Beach or Sanford or Massachusetts
$65-$70/hr HybridContract
WECTEC Staffing Services
WECTEC Staffing Services: Provides technical staffing and contingent labor for energy industries.
3+ YOEBachelor's in Engineering required; minimum 3+ years engineering experience (15+ years preferred) in P&C/substation/metering and project management; knowledge of instrument transformers and Schneider Electric ION-8650; meter programming skills.
Schneider Electric ION-8650
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Mission Systems Software Developer (Experienced & Senior)
Daytona Beach, Florida, United States
$118k-$202k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures airplanes, rockets, satellites, and missiles.
4+ YOE4+ years in software development; 3+ years on projects with varying methodologies; strong Ada/C/C++/C#/Java/Python; BS in engineering or computer science; ability to obtain U.S. security clearance; embedded RTOS and model-based design experience.
Ada, C, C++, C#, Java, Python, RTOS, Git, JIRA, Open Mission Systems, OCS, UCI, Cameo, Model Based Systems Engineering
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Software Developer (copy)
St. Augustine, Florida, United States
OnsiteFull Time
NextGen Federal Systems
NextGen Federal Systems: Provides advanced software engineering and mission support to federal agencies.
Experience designing and maintaining Microsoft SQL Server applications, developing web applications with C#, C++, WebAPI, JavaScript and related frameworks, reporting with SQL/Crystal Reports, and supporting Windows-based systems.
SQL, Crystal Reports, Microsoft SQL Server, Microsoft Web API, Microsoft Windows, C#, C++, JavaScript, jQuery, EXTJS, Sencha Touch, AJAX, HTML, xBase++, Cisco
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Engineer II
Jacksonville, Florida, United States
OnsiteFull Time
Intercontinental Exchange
Intercontinental ExchangeNYSE: ICE: Operates global financial exchanges, clearing houses, and mortgage technology.
2+ YOE2+ years software development; strong C#, .NET, React, SQL; knowledge of TypeScript, JavaScript; experience with Git, Agile; comfortable with Claude AI tools.
C#, .NET, React, SQL, TypeScript, JavaScript, Claude, Git, Azure DevOps, Docker, AWS
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Senior Engineer
Jacksonville, Florida, United States
OnsiteFull Time
Intercontinental Exchange
Intercontinental ExchangeNYSE: ICE: Operates global financial exchanges, clearing houses, and mortgage platforms.
8+ YOE8+ years z/OS mainframe development experience (COBOL/CICS), bachelor\u0002s in CS/IS or equivalent, ability to design/develop/maintain mainframe mortgage servicing solutions, mentor others, and participate in production on-call.
COBOL for Z/OS, CICS, JCL, IDz, ISPW, REXX, TSO, Java, Assembler, C*, VSAM, DB2, ISPF, IDCAMS, FILEAID, XPEDITER, QUIKJOB, LIBRARIAN, RDZ, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Visio, Claude Code
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Software Developer
Jacksonville, Florida, United States
OnsiteFull Time
The Energy Authority
The Energy Authority: Provides energy portfolio management and trading services to public utilities.
5+ YOE5+ years software development experience, proficiency with .NET/C#/ASP.NET/Core, Angular, T-SQL, Visual Studio/VS Code, Git, JavaScript/TypeScript, and experience in agile environments; bachelor's degree or equivalent.
.NET 3.5, C#, ASP.NET, ASP.NET Core, Angular, MongoDB, T-SQL, EF, Microsoft Visual Studio, VS Code, Git, JavaScript, TypeScript, HTML5, CSS, NPM, Agile, ES6, RxJs, NgRx, Microsoft Azure DevOps, MSTest, Lean, Kanban, PowerShell, Slack, KendoUI, SignalR, Service Fabric, Docker, Kubernetes, Microsoft Azure, Figma, MCSD
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Sr. Software Engineer
Milford or Cocoa Beach or Orlando or Sioux Falls or Orlando or Jacksonville or Columbus or York Haven or Birmingham or Augusta or Nashville or Houston or Dallas or Albuquerque or Columbia or Milwaukee or McAllen or El Paso or San Antonio or Salt Lake City or Charlotte or Phoenix or Sunrise or Louisville or Sunrise
$150k-$175k/yr OnsiteFull Time
BeneLynk
BeneLynk: Provides social care advocacy and government benefit enrollment assistance.
8+ YOE8+ years software development; strong in C#/.NET; REST APIs; Azure; scalable SaaS; distributed teams; healthcare/regulatory context.
C#, NET, REST APIs, Azure, SQL, SaaS
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Senior Software Engineer
Jacksonville, Florida, United States
OnsiteFull Time
Advantage Design Group: Provides interactive, video-driven onboarding and recruiting platforms.
5+ YOE5+ years web development; .NET/C#; ASP.NET Core; SQL Server; REST/SOAP APIs; Azure; CI/CD; mentoring.
.NET Core, C#, ASP.NET Core, SQL Server, Git, Azure, IIS, Kestrel, REST APIs, SOAP, Swagger, Postman, OAuth2, SAML, WCAG, Azure DevOps, CI/CD, Umbraco, Examine search, Docker, Kubernetes, Salesforce integration
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(IMSA) Senior, .NET Software Engineer
Daytona Beach, Florida, United States
OnsiteFull Time
NASCAR
NASCAR: Sanctions and operates professional stock car racing events.
5+ YOE5+ years of .NET/C# development; cloud/multi-cloud experience; REST APIs; SQL Server; cloud services; strong troubleshooting and independent work.
.NET, C#, Azure, AWS, OCI, REST APIs, SQL Server, Kubernetes, CI/CD, Docker, Messaging, Event-driven
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Software Developer - Applied AI
Jacksonville or Tampa or St. Petersburg or Sarasota or Orlando
OnsiteFull Time
Kimley-Horn
Kimley-Horn: Provides professional planning, engineering, and design consulting services.
3+ YOE3+ years of post-grad software development; full-stack with C#/.NET/TypeScript; SQL/NoSQL; Azure Cosmos DB; AI multi-agent workflows; RAG with Azure AI Search; Azure AI Foundry; AI-assisted coding tools; strong collaboration with engineers.
CSharp, NET, TypeScript, React, Blazor, Angular, SQL, NoSQL, Azure Cosmos DB, Azure AI Search, Azure AI Foundry, RAG, Multi-Agent, Claude Code, OpenAI Codex
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Software Engineer IV
Columbus or Jacksonville or Indiana or Michigan or North Carolina or Texas or Tennessee or Alabama
$110k-$120k/yr HybridFull Time
Corporate One Federal Credit Union
Corporate One Federal Credit Union: Wholesale financial services and solutions for credit unions nationwide.
3+ YOE3+ years related software development experience, 4 years application design experience, Bachelor's in CS/Engineering or equivalent, hands-on experience with Microsoft .Net, C#, ASP.NET, React.js, SQL Server, Azure, REST, iPaaS/ESB, web technologies, and Agile/Scrum.
Microsoft .Net, C#, ASP.NET, React.js, SQL Server, Azure, Web Services, REST, iPaaS, Enterprise Service Bus, Flowgear, CSS, HTML, jQuery, JavaScript, DevOps, Agile, Scrum
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Automation Developer (AI)
Jacksonville, Florida, United States
HybridFull Time
Acosta Group
Acosta Group: Provides retail sales and marketing services for consumer brands.
5+ YOEBachelor’s degree; 5+ years advanced programming (Python, C#, Java, .NET); strong software architecture and automation design; advanced SQL; proven problem-solving, analytical, and project management; ability to work independently.
Python, C#, Java, .NET, SQL, Power BI, Alteryx, KNIME
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Senior Software Developer
Jacksonville or United States
HybridFull Time
ISF
ISF: Management consulting and IT firm serving public sector entities.
4+ YOE4+ years experience; strong C#, .NET 6.0, ASP.NET, JavaScript, MVC, REST API, Azure (App Services, Functions), CI/CD, Git, SQL, testing skills; AZ-204 certification required; US residency required.
C#, .NET 6.0, ASP.NET, JavaScript, MVC, RESTful APIs, Azure App Services, Azure Functions, CI/CD, Git, jQuery, Bootstrap, Entity Framework, LINQ, SQL, TDD
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3mo
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Embedded Software Engineer – High-Power Systems
Jacksonville, Florida, United States
OnsiteFull Time
Voltify
Voltify: Developing battery-electric locomotive infrastructure and microgrids for rail freight.
5+ YOE5+ years embedded software for power electronics; C/C++; CAN/Ethernet; Bachelors in EE/CE/CS; ISO 26262 familiarity preferred.
C/C++, Python, MATLAB, CAN, CAN-FD, Ethernet, Modbus, RS485
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Spacecraft ADCS Engineer
Jacksonville, Florida, United States
OnsiteFull Time
Star Catcher
Star Catcher: Developing an orbital energy grid for space-based power beaming.
5+ YOEBachelor's in software engineering or related; 5+ years aerospace software experience; proficiency in C, C++, Python, MATLAB; knowledge of control/optimization theory and ADCS design; experience with dynamic simulation and spacecraft operations; US work/ITAR eligibility.
C, C++, Python, MATLAB
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