react.js Jobs in denver, co

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Sr. Front End Developer - UI/UX focus - W2

Amiseq Inc.

Remote

Contract

Job Description: Job Description: As a Senior Frontend Developer with UI/UX focus, you will drive frontend architecture and user experience for a high-impact business application. You'll play a crucial role in frontend foundations, UI/UX optimization, and performance enhancement for a sophisticated web platform. Your responsibilities include managing build systems, component libraries, and implementing user interface improvements that directly impact business operations. You'll collaborate with

Java Full-stack Developer

Connvertex Technologies Inc.

Remote or Salt Lake City, Utah, USA

Full-time, Contract

Experience Level: 6-8 Years (10 openings) Job Summary: We are seeking a skilled Java Developer with a strong background in backend development and a solid understanding of frontend technologies. The role will focus approximately 60% on backend services and 40% on frontend UI development. You will work closely with cross-functional teams to build scalable, high-performing applications. Key Responsibilities: Backend (60%): Design, develop, and maintain robust, scalable backend services using Jav

Full Stack Developer with IAM

Dizer Corp

Remote

Contract

Title : Full Stack Developer with IAM Location : Remote Description Develop, test, and deploy full-stack applications using React and Node.js.Implement and maintain IAM solutions to ensure secure authentication and authorization mechanisms.Strong experience with React and Node.js development.Solid understanding and hands-on experience with Identity Access Management (IAM) concepts and tools.Must have built applications with Authentication and authorization focus.Proficient in API integration an

Senior Full Stack Engineer

Vaco by Highspring

Remote

Contract

THIS ROLE IS NOT AVAILABLE FOR C2C, VISA SPONSORSHIP, or THIR PARTY VENDORS We are seeking a highly skilled Senior Full Stack Engineer to join our clients growing development team. In this role, you will help design, build, and maintain scalable, secure, and user-friendly web applications that support our nationwide emergency response and AED program management platforms. This role requires expertise in Ruby on Rails, React (2+ years), and frontend UI development using ANT Design. Youll collabor

Applications Engineer - Typescript

Luxor Technology Corporation

Remote

Full-time

Company Background The Luxor team has built a range of solutions for Bitcoin mining and compute power, including a globally distributed mining pool, firmware, an ASIC brokerage desk, a data website and a Hashrate derivatives market. Our product suite is growing rapidly and as such we are looking to expand our product team. We fundamentally believe compute is going to be the world s most important commodity, and are building the infrastructure to support this new market. Role Overview This is a f

: Senior Staff Software Engineer

Vaco by Highspring

Remote

Full-time

Job Title:Senior Staff Software Engineer Location:100% Remote Employment Type:Direct Hire Compensation:$140,000 - $175,000 Base + 10%-15% Bonus Benefits:401K Matching, Full Benefits & PTO ImportantNote: No third-party companies - direct applicants only. Sponsorship is not available now or in the future. Job Summary We seek aSenior Staff Software Engineerwith strong AWS cloud engineering expertise to lead and mentor a high-performing software development team. This role is an even split between t

Junior Software Engineer - 100% Remote

Prodware Solutions

Remote

Contract

Job Title: Software Engineer-Jr.Duration: 3+ Months ContractJob Type: 100% Remote Job Description: 1. What technologies or systems will this contingent worker be utilizing? AWSPythonJavareact/typescriptSome mainframe

Senior Design Engineer

Opusing LLC

Remote

Contract

Title : Senior Design Engineer Location : Remote Duration : 6+ Months Contract About Client We are a 100+ year old energy company entering phase 3 of a tiered digital transformation. We are user-centric, customer-driven, and employee-focused. We strive to build seamless experiences for our millions of customers and thousands of employees across our 3 operating states. We value safety, trust, and work-life balance. We fail fast and believe that getting it wrong is often the first step towards ge

Tech Solns. Arch. Sr. Specialist Advisor

NTT DATA Americas, Inc

Remote or Plano, Texas, USA

Contract

Company Overview: Req ID: 328565 NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now. We are currently seeking a Tech Solns. Arch. Sr. Specialist Advisor to join our team in Dallas, Texas (US-TX), United States (US).Job Description: Position's Overview At NTT DATA, we know that with the right people on board, anything is possible. The quality, integrit

Ground Senior Software Engineer - Lunar Permanence

Blue Origin, LLC

Denver, Colorado, USA

Full-time

Application close date: Applications will be accepted on an ongoing basis until the requisition is closed. At Blue Origin, we envision millions of people living and working in space for the benefit of Earth. We're working to develop reusable, safe, and low-cost space vehicles and systems within a culture of safety, collaboration, and inclusion. Join our team of problem solvers as we add new chapters to the history of spaceflight! This role is part of the Lunar Permanence business unit, which de

Sr. Software Engineer

Visa Inc.

Highlands Ranch, Colorado, USA

Full-time

Company Description Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and secure payments network, enabling individuals, businesses, and economies to thrive while driven by a common purpose - to uplift everyone, everywhe

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

Principal Software Engineer

Tradeweb Markets LLC

Remote or Golden, Colorado, USA

Full-time

ICD is treasury?s trusted provider of investment technology and the corporate client channel of Tradeweb, a leading global operator of electronic marketplaces for rates, credit, equities and money markets. ICD provides tools for organizations to independently research, trade, analyze, and report on investments. With ICD Portal, over 500 organizations across 65 industries in more than 45 countries gain unbiased access to the market for managing liquidity. Organizations can manage risk across thei

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

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

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

.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

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,

.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

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