Fullstack Engineer Jobs in Colorado

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Senior .Net Full Stack Developer / .Net Architect

Maagsoft Inc.

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Remote or New York, USA

Full-time, Part-time, Third Party, Contract

Job Title: Senior .Net Full Stack Developer / .Net Architect Location : New York (Hybrid) Qualifications: 5-10 years of developing and delivering highly available enterprise web applications Experience developing full stack applications using C# (.Net core), Vuejs NodeJS, JavaScript, TypeScript, or relevant technology. Strong experience with Oauth 2.0 and OpenID connect frameworks. Experience with JSON and parsing FHIR objects, basic knowledge of the FHIR standard, and familiarity with Visua
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Posted 4 days ago | Updated 13 hours ago

Senior Full Stack Developer

Stride, Inc

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Virginia, USA

Full-time

Job Description The Senior Full Stack Developer will be one of the key senior members responsible for engineering efforts on Stride's Tutoring platform, which supports both B2B and B2C platforms. The Senior Full Stack Developer is expected to be a strong member of an agile team working with our Product Owner, User Experience designers, and technical leadership and related engineering teams to provide an inspired and effective online tutoring experience for our students and tutors. ESSENTIAL FU
Posted 28 days ago | Updated 10 hours ago

.Net Full Stack Developer

Celer Systems, Inc

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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 28 days ago

Java Full-stack Developer

Connvertex Technologies Inc.

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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
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Posted 29 days ago | Updated moments ago

Senior Full Stack Developer, Agentic AI Research & Prototyping

Solios Corp

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Remote

Full-time

Note: Need Only USC. Position: Senior Full Stack Developer, Agentic AI Research & Prototyping Location: Remote Duration: Full Time Role Principal Responsibilities: Rapidly prototype AI-driven use cases using Java-based services, frontend components, and integration of AI/ML tools. Build POCs leveraging agentic AI frameworks (LangGraph, AutoGen, CrewAI) and test novel interactions with LLMs and external APIs. Work with SQL/NoSQL databases to model knowledge graphs, embeddings, and AI-generated ou
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Posted 3 days ago

Full Stack Developer (ReactJS, Vue, Angular)

Cymertek Corporation

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Aurora, Colorado, USA

Full-time

Full Stack Developer (ReactJS, Vue, Angular) 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 Full Stack Developer with expertise in ReactJS, Vue, and Angular to join our dynamic team. In this role, you will be responsible for designing, developing, and maintaining modern web applications, working across both front-end and back-end systems. You will collaborate with designers, product managers,
Posted 60+ days ago | Updated 10 hours ago

Full Stack Developer (C# / .Net / JS / SQL / AWS)

Cymertek Corporation

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Aurora, Colorado, USA

Full-time

Full Stack Developer (C# / .Net / JS / SQL / AWS) 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 skilled and versatile Full Stack Developer to join our team, specializing in C#, .NET, JavaScript, SQL, and AWS. In this role, you will be responsible for building and maintaining robust, scalable applications across both the front-end and back-end. You will collaborate closely with cross-functional te
Posted 60+ days ago | Updated 10 hours ago

Senior Backend Engineer (Node.js + TypeScript) - AI meets FinTech

HENRY

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Remote

Full-time

** Remote position ** Engineering scrums are at 9am EST Who We AreWe re a highly funded stealth startup that has built an institutional grade licensed exchange for trading illiquid real-world assets from commercial real estate to infrastructure, natural resources, and private credit. We re combining AI, deep regulatory infrastructure, and a modern tech stack to unlock trillions in global illiquid markets. What We re Looking ForWe re looking for a Senior Backend Engineer with strong experience bu
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Posted 17 days ago

Ruby Developer

Booz Allen Hamilton

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Remote

Full-time

Job Number: R0220548 Ruby Developer The Opportunity: Are you looking for an opportunity to not just develop sof tware, but to build a system that will modernize federal healthcare? As a full-stack developer, you can solve a problem with a complete end-to-end solution in a fast-paced and agile environment. We're looking for a developer with the advanced skills needed to build transformative applications from vision to production-ready system. This role is more than just coding. We need a full-sta
Posted 9 days ago | Updated 11 hours ago

Lead Software Engineer, CoCounsel AI Assistant

Thomson Reuters U.S. Inc.

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Remote or Eagan, Minnesota, USA

Full-time

Lead Software Engineer, CoCounsel AI Assistant Are you a Full Stack software engineer passionate about building AI-driven products? Would you like to help shape the future of agentic UIs? If that's you, then consider joining the CoCounsel AI Assistant team as a Lead Fullstack Software engineer. You'll be part of a team responsible for pushing forward innovative products for legal and other professionals. About the Role The CoCounsel AI Assistant team is both a platform and a product team. The Le
Posted 6 days ago | Updated 10 hours ago

Python Developer ( React JS , Data Engineering )

Bramkas Inc.

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Remote

Contract

Python : Full Stack Developer ( React JS , Data Engineeing ) Location: United States RemotePosition Type: Open to Contract / Contract-to-Hire (Open to Full-Time)Experience Required: 9+ YearsMust have Skill : Python , FastAPI , React ,MongoDB , Data EngineeringWe are looking for a skilled Python Polyglot developer who is comfortable working across the backend, frontend, and datatransformation layers. The ideal candidate is someone with strong hands-on experience in building scalable web applicati
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Posted 8 days ago | Updated 8 days ago

VP, Front End UI Lead Developer (Apps Dev Tech Lead Analyst )- C13 - TAMPA

Citi

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Remote or Tampa, Florida, USA

Full-time

Job Description The Applications Development Technology Lead Analyst is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities. Responsibilities: Develop UI components, screens using the UI technologies such as Angular, React, Bootstrap, HTML5, CSS Develop applications using Java, UI Frame
Posted 44 days ago | Updated 10 hours ago

Full Stack Developer (W2 Only)

Apidel Technologies

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Remote or Philadelphia, Pennsylvania, USA

Contract

Team Info: Team of 3 engineers. Building Content Management services for internal projects. Working on highly scaled applications. There is a separate team that works on application building and the whole infrastructure. This team is for building self-service tools. Must have skills: Looking for 5 to 8 years of Full-stack developer 60% UI and 40% Backend role. UI They are using React but are fine with any other JavaScript experience Backend - Java OR Kotlin OR any JVM-based Testing & Deployment
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Posted 60+ days ago | Updated 28 days ago

COE - Fullstack Developer

QualiTest

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Remote

Full-time

Are you interested in working with the World s leading AI-powered Quality Engineering Company? Ready to advance your career, team up with global thought leaders across industries and make a difference every day? Join us at Qualitest! We are looking for an Fullstack Developer to join our growing team in United States! Responsibilities: Lead, Oversee and manage the offshore development team, ensuring seamless collaboration and high-quality code delivery. Assess, Evaluate and Hire new offshore team
Posted 59 days ago | Updated 25 days ago

Software Engineer III

Kforce Technology Staffing

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Remote or Boca Raton, Florida, USA

Contract

RESPONSIBILITIES: Kforce has a client seeking a remote Software Engineer to join their team. We are on a mission to make our communities safer and more secure. Our cutting-edge public safety product aims to prevent and solve crimes through advanced analytics, visualization, and performance-driven solutions. Join us in creating a state-of-the-art platform that will revolutionize public safety. We're seeking a Senior Full-Stack Engineer with deep expertise in NodeJS and Angular to drive the devel
Posted 3 days ago | Updated 2 hours ago

Senior Software Developer

Pearson

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Remote

Full-time

Job Title: Senior Software Developer Location: US - Remote Job Type: Full-Time About Pearson: Learning is no longer just a stage of life but a lifelong journey. In an era where AI is moving at breathtaking pace and where there is huge demand for new talent, with new skills, the world needs learning more than ever before. Whether it's upskilling in the workplace, developing a team, getting ahead in school, making the grade at university, or learning a new language, millions of people around the w
Posted 60+ days ago | Updated 10 hours ago

Java Full Stack Developer

Citi

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Remote or Tampa, Florida, USA

Full-time

Our team is central to the Global Functions of the firm, and we set the standards for Developer Productivity, Architecture and Standard Tooling for the entire line of business. This involves being able to collect metrics from many data sources to provide senior management reporting to identify roadblocks and obstacles that impede application team efficiency. We use data to provide roadmaps, policy decisions, and guidance for improvements throughout the global enterprise. Responsibilities: Utili
Posted 60+ days ago | Updated 10 hours ago

Full Stack Developer .NET to Java Migration

IntellectFaces, Inc.

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Remote

Contract

Job Summary: We are seeking two skilled and versatile Full Stack Developers with expertise in both .NET and Java ecosystems to support a high-impact migration project for an enterprise client. The primary focus of this role is to assist in the seamless migration of existing applications from the .NET framework to a modern Java-based architecture utilizing Spring Boot and AWS. Key Responsibilities: Participate in the end-to-end migration of applications from .NET to Java, ensuring feature parity
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Posted 19 days ago

Lead Full Stack Developer with kuberntes

HStechnologies LLC

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Remote

Full-time

Build modern, full stack applications using technologies like React or Angular on the frontend, and Node.js, Java, or Python on the backend.Design and develop clean, scalable APIs and microservices, keeping performance, security, and maintainability in mind.Lead the effort to containerize applications with Docker and manage their deployment and scaling using Kubernetes, either in a public cloud (AWS, Google Cloud Platform, Azure) or hybrid environment.Take ownership of how we deploy and run our
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Posted 22 days ago

Full Stack Developer

Cymertek Corporation

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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 10 hours ago