React.js Jobs in Denver, CO

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Backend Engineer

Accroid Inc

•

Remote or Dallas, Texas, USA

Third Party, Contract

Remote Backend Engineer Texas In-person Interview required AI/ML Experience a big plus especially LLaMA, Vertex AI, SageMaker, AzureML, etc. VERY proficient in SQL - able to write debug and optimize queries and like working in it. Node.js : React and Next.js PostgreSQL DevOps / IaaC/ cloud Infrastructure Design, architect, and implement robust APIs and services using Node.js, PostgreSQL, and Redis Optimize complex SQL queries and schemas to ensure lightning-fast performance across large datase
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Posted 12 days ago | Updated 12 days ago

Senior Fullstack Engineer - Search Assistant (US Federal)

Workday, Inc.

•

Boulder, Colorado, USA

Full-time

Your work days are brighter here. At Workday, it all began with a conversation over breakfast. When our founders met at a sunny California diner, they came up with an idea to revolutionize the enterprise software market. And when we began to rise, one thing that really set us apart was our culture. A culture which was driven by our value of putting our people first. And ever since, the happiness, development, and contribution of every Workmate is central to who we are. Our Workmates believe a h
Posted 4 days ago | Updated 1 hour ago

FullStackEngineer(AWS and Python)

Precision Technologies Corp

•

Remote

Full-time, Third Party

Here is the job opportunity information; Role: Full Stack Engineer(AWS and Python) Location: Remote Duration: Long Term Contract / Permanent Experience: 13+ Years MUST Mandatory Skills : React, node.js, AWS Lambda, API Gateway, Cloud watch, Python, Dynamo, must have hands on coding, Ci/cd, Terraform. We are looking for a talented and driven Full Stack Engineer with top proficiency in React, Node.js, and serverless technologies (specifically AWS Lambda) to join our dynamic engineering team. Profi
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Posted 6 days ago | Updated 5 days ago

Java Software Engineer

Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

Java Software Engineer LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled and passionate Java Software Engineer to join our team and contribute to the design, development, and maintenance of high-quality software solutions. In this role, you will work on building reliable, scalable, and secure applications using Java, collaborating with cross-functional teams to deliver innovative solutions that m
Posted 60+ days ago | Updated 1 hour ago

*Senior Full Stack NodeJS Engineer (Workday Integration experience) (15+ Years of experience)*

Kellton

•

Remote

Contract, Third Party

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: Posi
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Posted 20 hours ago

.Net Developer

Innova Solutions, Inc

•

Remote

Contract

A client of Innova Solutions is immediately hiring for a .Net Developer. Position type: Full-time Contract Duration: 6 months Location: Lakeland FL 33801 (Remote) Responsibilities Minimum of 5 years of full-stack web development experience with the ASP.NET Web API & MVC development.Minimum 2 years of experience developing with .NET 5 or higher.Minimum 2 years of development experience with Oracle PL/SQL.Minimum 2 years of experience implementing design patterns, including dependency injection.M
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Posted 60+ days ago | Updated 21 days ago

.Net Full Stack Developer

Celer Systems, Inc

•

Remote

Full-time

Mandatory QualificationsFive (5) years of FTE experience in electronic data processing systems study, design, and programming. At least three (3) years of that experience must have been in a lead capacity.Possess a bachelor s degree in an IT- related or Engineering field. Additional qualifying experience may be substituted for the required education on a year-for-year basis.Five (5) years of FTE experience in designing, developing, implementing .Net applications and maintaining the existing .Net
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Posted 26 days ago

Senior Software Engineer in Messaging (W2 Only)

SSI People

•

Remote

Contract

Full Stack Engineer Are you passionate about building meaningful user experiences that connect people to the content they love? Join our client's team as a Full Stack Engineer and help shape how millions of members engage with Live and On-Demand content. What You ll Do: Build and maintain engaging messaging experiences including email, push notifications, and in-app messages using HTML, React, TypeScript, and Java. Collaborate with cross-functional teams including Product, Design, Data Science,
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Posted 60+ days ago | Updated 14 days ago

Senior Engineer

Kforce Technology Staffing

•

Remote or Johnston, Rhode Island, USA

Contract

RESPONSIBILITIES: Kforce has a client in need of a Senior Engineer. Key Responsibilities: * Utilize expertise in C# .Net and functional Reactjs to develop and maintain both front-end and back-end components of our applications * The Senior Engineer will create and use REST webservices to ensure seamless communication between the front-end and back-end systems * Leverage Azure technologies to enhance the scalability and performance of our applications * Utilize Docker and Kubernetes for containe
Posted 1 day ago | Updated 7 hours ago

Accessibility Web Developer (Mobile + Web)

Allwyn Corporation

•

Remote

Contract, Third Party

NOTE:This is 4 month contract only. 40 Hrs / per week. We are looking for a skilledFront-End Developerwho can contribute across bothmobile and web (.com)platforms. The ideal candidate will have hands-on experience withAngular and Ionic frameworks, and a strong understanding ofADA complianceto ensure accessibility standards are met across all digital experiences. Responsibilities: Develop and maintain responsive and accessible applications across mobile and web platforms.Collaborate with UI/UX
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Posted 29 days ago | Updated 1 day ago

Full Stack Software Engineer

Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

Full Stack Software Engineer LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a highly skilled Full Stack Software Engineer to join our team and contribute to the development of cutting-edge applications. In this role, you will work across the entire software development lifecycle, from designing user interfaces to implementing back-end functionality. You will collaborate with cross-functional teams t
Posted 60+ days ago | Updated 1 hour ago

Dot Net Architect--Part Time

Newt Global

•

Remote

Part-time

Key Responsibilities: Architectural Leadership Design and implement scalable, secure, and maintainable software architectures using .NET technologies (ASP.NET Core, .NET Framework). Define and enforce best practices, coding standards, and development processes to ensure high-quality deliverables. Provide end-to-end technical leadership on architecture, design, and implementation of full-stack solutions. Full-Stack Development Lead the development of backend services and APIs using C#, ASP.NET
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Posted 1 day ago

Front End GUI Developer / Software Engineer

Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

Front End GUI Developer / Software Engineer LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a creative and detail-oriented Front End GUI Developer / Software Engineer to join our innovative team. In this role, you will design and develop intuitive, responsive user interfaces that deliver seamless user experiences. Collaborating closely with designers, backend developers, and stakeholders, you will transf
Posted 60+ days ago | Updated 1 hour ago

Sr. App Operations Engineer

Tri-Force Consulting Services Inc

•

Remote

Third Party, Contract

Job Title: Sr. App Operations EngineerDuration: 12 MonthsClient: Department of Information Technology and Telecommunication - NYCLocation: Brooklyn, New York NOTE: This is a 100% remote role. Job Description:Manage deployment of applications in production and non-production environments.Work on service tickets according to priority.Troubleshoot application issues.Work on making enhancements to improve the security of the applications, as neededUtilize triaging and observability tools provided b
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Posted 8 days ago | Updated 8 days ago

Full Stack Developer

Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

Full Stack Developer LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY Are you a versatile and innovative developer with a passion for both front-end and back-end development? We are seeking a skilled Full Stack Developer to join our team and contribute to the creation of dynamic, user-centric web applications. In this role, you'll work on a variety of exciting projects, utilizing your expertise to design and implement b
Posted 60+ days ago | Updated 1 hour ago

Full Stack Java Developer

Raas Infotek LLC

•

Remote or Houston, Texas, USA

Contract

Full Stack Java Developer (React & AWS) Senior (12+ Years Experience) Contract: W2 Only Job Description: We are seeking a highly experienced Full Stack Java Developer with deep expertise in React, AWS, and modern microservices architecture. This is a senior technical role demanding a proven track record of 12+ years in enterprise software development, including designing and building scalable, secure full-stack applications on AWS. You will lead the design, development, and optimization of compl
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Posted 20 hours ago

Software Development Engineer(US Federal)

Workday, Inc.

•

Boulder, Colorado, USA

Full-time

Your work days are brighter here. At Workday, it all began with a conversation over breakfast. When our founders met at a sunny California diner, they came up with an idea to revolutionize the enterprise software market. And when we began to rise, one thing that really set us apart was our culture. A culture which was driven by our value of putting our people first. And ever since, the happiness, development, and contribution of every Workmate is central to who we are. Our Workmates believe a h
Posted 29 days ago | Updated 1 hour ago

Ruby on Rails Architect

Ohm Systems, Inc

•

Remote

Contract

ROR Architect:- As a hands-on architect, primary responsibilities center around design and development of web based, real-time and batch applicationsCollaborate with members of the design team both technical as well as business owners to identify requirements and design new products or extensions to existing products.Produce application prototypes with sufficient detail to allow others in the development team to complete the development work.Provide technical oversight to the development process
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Posted 33 days ago | Updated 22 days ago

Telecom System Integration Developer

Cyber Sphere LLC

•

Remote

Third Party, Contract

Telecom System Integration Developer Remote Long Term Contract Note - It s not a specific project Per se. It s a hodgepodge of custom integration request from the various lines of business within the Org. Someone with Developer skills set with experience doing contact center or unified communication integrations. Telephony, Cisco, etc More Developer than Telephony Key Responsibilities: Design, develop, test, and debug robust applications and system components aligned with business and technical
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Posted 1 day ago

Java / Spring Developer

Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

Java / Spring Developer LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented and driven Java / Spring Developer to join our team and contribute to the development of robust and scalable enterprise applications. In this role, you will design, implement, and maintain Java-based solutions using the Spring framework, ensuring high performance, security, and reliability. You will collaborate with cross-
Posted 60+ days ago | Updated 1 hour ago