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32 c software engineer jobs at 17 companies in Saint Augustine Beach, FL

2mo
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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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1w
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Embedded Software Engineer III (Sr. Embedded Software Engineer)
DeLeon Springs, Florida, United States
OnsiteFull Time
Sparton
Sparton: Produces sonobuoys and undersea sensors for maritime defense.
5+ YOEU.S. citizen with 4-year degree or equivalent, 5+ years software experience, embedded C/C++ development, FreeRTOS/microkernel experience, device driver and low-level microprocessor work, bench test and documentation skills.
C, C++, Python, Labview, FreeRTOS, Micrium uC-OSII, Micrium uC-OSIII, MATLAB, Verilog, VHDL, ModelSim, Intel Quartus, Xilinx Vivado, Lattice iCEcube2, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Teams
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1mo
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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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18h
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Lead Software Engineer
Daytona Beach, Florida, United States
OnsiteFull Time
Flexjet
Flexjet: Private jet provider offering fractional ownership and charter services.
8+ YOE8+ years software development with technical leadership; extensive experience with Angular,C#, .NET APIs, Microsoft SQL Server, Visual Studio; Agile experience and strong communication.
Angular, C#, .NET, Microsoft SQL Server, Microsoft Visual Studio
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2mo
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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 aircraft, defense systems, and space technology.
4+ YOE4+ years in software development with Ada, C, C++, C#, Java, or Python; 3+ years in projects with varied software methodologies.
Ada, C, C++, C#, Java, Python, RTOS, Cameo, Git, JIRA, Collaborator, Beyond Compare, VersionOne, Open Mission Systems, OMS, OCS, UCI
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2w
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F-15 Software Engineer (Associate, Experienced or Senior)
Daytona Beach, Florida, United States
$77k-$220k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
2+ YOEBachelor’s degree, active U.S. Secret clearance, 2+ years development experience in C/C++/C#/Python/Java/Ada, experience designing architectures and embedded real-time software, Agile/DevOps familiarity.
C, C++, C#, Python, Java, Ada, GitLab, Git Bash, Gradle, Jira, Jenkins, Artifactory
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1mo
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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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2mo
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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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1mo
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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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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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1mo
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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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2mo
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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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2d
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Lead Software Engineer - Tax Product Development
New York or Dallas or Houston or Chicago or Philadelphia or Charlotte or Raleigh or Tampa or Miami or Jacksonville or Fort Lauderdale or Tallahassee or Orlando or West Palm Beach or Grand Rapids or Detroit or Troy
$140k-$210k/yr HybridFull Time
BDO USA
BDO USA: Provides accounting, tax, and business advisory services to organizations.
6+ YOEBachelor's degree required;6+ years building web apps with Microsoft stack (C#, ASP.NET), SQL Server/Azure SQL/NoSQL, Azure, CI/CD, DevOps, monitoring, and leading engineering teams;strong design and communication skills.
C#, ASP.NET, HTML, JavaScript, Angular, TypeScript, React, SQL Server, Azure SQL, NoSQL, PowerShell, Graph API, Azure CLI, Microsoft Office Suite, Microsoft Visual Studio, Microsoft Azure Dev Ops, GitHub, Microsoft SQL Server, Microsoft Power BI, PowerApps, Azure Functions, App Insights, App Monitoring, HTTP Debug Tools
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2mo
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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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1w
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Software Development Engineering - Advisor II
Jacksonville or Alpharetta
OnsiteFull Time
Fiserv
FiservNew York Stock Exchange: FI: Provides financial technology and payment processing services to institutions.
6+ YOE6+ years software development experience, 3+ years with Golang or similar languages, 3+ years with SQL, RESTful APIs, Swagger, JSON, and GIT; Agile experience; payments domain experience preferred.
Golang, Java, C, C#, C++, SQL, RESTful services, Swagger, JSON, GIT, Agile
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3w
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Software Programmer
St. Augustine, Florida, United States
$90k-$130k/yr OnsiteFull Time
Modern Technology Solutions, Inc.
Modern Technology Solutions, Inc.: Provides engineering, technology, and cybersecurity services for national security.
3+ YOE3+ years relevant experience; U.S. citizenship and CBP background check required; bachelor's degree in IT/CS/Network/Systems Engineering; experience with C++, C#, JavaScript, web tools, SAP Crystal Reports, and Microsoft Office.
C++, C#, JavaScript, HTML, Dreamweaver, Photoshop, CSS, Fireworks, SAP Crystal Reports, Microsoft Office, Customs Automated Inventory and Maintenance Tracking System (CAMITS)
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3mo
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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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1d
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Test Developer
Charlotte or Atlanta or Newark or Plano or Dallas or Fort Worth or Jersey City or Jacksonville
$103k-$115k/yr OnsiteFull Time
Bank of America
Bank of AmericaNYSE: BAC: Provides global banking, investing, and financial risk management services.
2+ YOE2+ years software engineering experience; strong Python and programming skills; knowledge of test development, process design, databases, automation, and financial regulations; bachelor's degree preferred.
Spark, R, C, JAVA, YAML, Python
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3mo
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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 platforms.
2+ YOE2+ years software development; strong C#/.NET, React, JavaScript/TypeScript; SQL; Git; Agile; able to use Claude; excellent communication.
C#, .NET, ASP.NET Core, React, JavaScript, TypeScript, SQL, Git, CI/CD, Azure DevOps, Docker, AWS, Spring Boot, Claude
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3mo
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Sr. Manager Software Engineering
Jacksonville, Florida, United States
HybridFull Time
RF-SMART
RF-SMART: Provides mobile warehouse management and inventory tracking software
7+ YOE5+ Mgmt7+ years hands-on SaaS development,5+ years managing engineering teams,deep AWS experience,C#/.NET Core and React proficiency,CI/CD and DevOps familiarity,ability to lead technical decisions and QA standards.
AWS, C#, .NET Core, React, PostgreSQL, GitHub Actions, Terraform, Docker, ECS
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