Front-End Software Developer Jobs in Denver, CO

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

Cymertek Corporation

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

Software Engineer Authentication - Python & Angular Virtual

Alight Solutions LLC

Illinois, USA

Full-time

Authentication Engineer Python & Angular Virtual Come make a difference and consider this unique opportunity to step into a rewarding career. Are you a software developer who loves solving complex problems? **ship requirements- as this role supports services provided to the federal government and/or a federal government contractor, proof will be required to verify ship status at time of hire.** Our Story At Alight, we believe a company's success starts with its people. At our core, we Champio

Backend Engineer Tech Lead

Y & L Consulting Inc.

Boulder, Colorado, USA

Full-time

NOT OPEN FOR VENDORS C_2_C CANDIDATES WILL NOT BE CONSIDERED ONSITE BOULDER, CO or AUSTIN, TX We re looking for a Senior Backend Software Engineer who s excited to get their hands dirty, solve real problems, and move fast. You ll play a critical role on a small, highly collaborative team working on products that directly impact our partners and customers. This isn t a siloed role we want someone who s not just comfortable, but energized by jumping into conversations with the product team, accoun

Software Engineer III Senior

Randstad Digital

Remote or Madison, New Jersey, USA

Contract

job summary: Looking for a talented frontend engineer to help build and maintain a design system for Anywhere Real Estate, working remotely for six months. You'll collaborate with designers and developers to create consistent UI components across web and mobile platforms using Angular, Flutter, and React, while ensuring accessibility and best practices. If you've got over five years of experience in front-end development and enjoy working on scalable design solutions, this could be a great fit!

Full Stack .NET Developer

AbleForce

Denver, Colorado, USA

Contract

Please, no third parties. Permanent residents only. This position will be onsite 3 times per week in Denver, CO, and no relocation assistance is available. Main Duties & Responsibilities: - Develop and maintain robust, scalable, and high-performance applications primarily focusing on the database and middle tiers using the .NET framework. - Design, develop, and implement server-side logic, database schemas, and APIs to support front-end functionality and ensure seamless data flow. - Collaborate

React Developer-w/ Financial Services

Interpro Inc.

Remote

Contract

Interpro has been in the IT consulting business since 1993 and our employees work on a range of projects across the country. We have a long-term opportunity tocontribute to the development of client-facing applications. Remote working-EST hours Key Responsibilities: Develop and maintain responsive web applications using React.js and related technologies.Collaborate to translate design wireframes and mockups into high-quality code.Optimize applications for maximum speed and scalability.Ensure th

Front End React Developer

New Digital IT Inc.

Remote or Seattle, Washington, USA

Contract, Third Party

New Assignment - React Front End Developer w Full Stack (Figma, Node.js, React.js, Python, Docer, Kubectl, Git, Jenkins, Kubernetes) Overview This guide walks you through the end-to-end process of transforming your Figma designs into a fully functioning, on-prem React/TypeScript front end (built with Vite), integrated with a FastAPI backend, PostgreSQL database, Keycloak authentication, LLM inference service, containerized in Kubernetes, and deployed to your Dell hardware. Prerequisites Figm

Sr UI developer

URSI Technologies Inc.

Remote

Third Party, Contract

Sr UI developer Location: Atlanta, GA Duration : 12 months Responsibilities : As a Senior Front End engineer, you'll own the UI of the company's large-scale product and work alongside backend developers for new feature developmentThe company creates a collaborative construction planning platform that improves project predictability and efficiencyThey also provide real-time collaboration for contractors and project managers providing services like real-time analytics and reporting as well as int

Software Engineering Advisors-Hybrid

Cigna

Remote or Fairfield, Ohio, USA

Full-time

The job profile for this position is Software Engineering Adivsor, which is a Band 4 Contributor Career Track Role with Cigna-Evernorth Services Inc. Responsibilities- Provide expert content on complex software engineering assignments and projects.Design and develop a consolidated, conformed enterprise data warehouse and data lake that stores critical data.Design, develop, and implement methods, processes, tools, and analyses to sift through large amounts of data stored in a data warehouse or d

Lead UI React developer :::

REDLEO SOFTWARE INC.

Remote

Full-time

Lead UI React developer 100% Remote Fulltime12+ React development with extensive experience in Front-end frameworks and backend support knowledge. This role is expected to work independently as Lead Front end Developer to develop a web-based application from the requirements and wireframe designs provided. Extensive usage of JavaScript, React JS, Mobile (IONIC / React Native), Node JS, Bootstrap, jQuery/AJAX, JSON, HTML4/5, CSS2/3 to build Interactive User Interface (UI)Build and manage CI/CD

Backend Developer with Mobile Apps (W2-Contract)

Techouts, Inc

Remote

Contract

Backend Developer with Mobile Apps Duration: 9+ months Engagement type: REMOTE Consultant must work on our Company Payroll (W2-Contract) Senior Backend Software Developer / Mobile Apps. Will report to the Director of Infrastructure and work closely with Product Managers to deliver well-architected experiences to the customer base. Responsibilities: Improve the performance of the backend services that power our mobile application and make them more maintainable and scalable Design, build, and sca

.NET Fronend with Angular 19

Keylent

Remote

Contract, Third Party

Front-End Developer (Angular 19 & Micro-Frontend) Job Summary We are looking for a highly skilled Front-End Developer (Angular 19 & Micro-Frontend) to join our team. You will be responsible for building modular, scalable UI components and developing micro-frontends that can be easily integrated into our existing platform. Your expertise in Angular, performance optimization, and UI/UX best practices will ensure a seamless and high-quality user experience across all our applications. You will coll

Python with AWS

PGH TECHLADDER LLC

US

Full-time

Python with AWS Remote Retail domain We are seeking a highly skilled Python Developer with strong AWS experience to join our development team. The ideal candidate will be responsible for designing, developing, and deploying scalable applications in the cloud using modern tools and practices. You'll play a key role in building robust backend systems and integrating cloud-native services. Key Responsibilities Design, develop, test, and deploy Python-based backend systems and APIs. Build and ma

Sterling OMS Back-End Developer

Infinite Computer Solutions (ICS)

Remote

Third Party, Contract

About the Role We are looking for a skilled and motivated Back-End Developer with hands-on experience in IBM Sterling Order Management System (OMS) to join our growing technology team. As a Sterling OMS Developer, you will be responsible for building, customizing, and maintaining robust back-end solutions that support complex order management workflows across multiple channels. Key Responsibilities Design, develop, and maintain back-end components of Sterling OMS using Java and Sterling APIs.Con

Java Backend Developer | Full-time / W2 / Contract

NMK Global Inc.

Remote

Contract

Job Title: Java Backend DeveloperLocation: Dallas, TX (Locals only)Experience: 6 to 8+ YearsEmployment Type: Full-time / W2 / Contract moses(@)nmkglobalinc(.)com Job Description:We are seeking an experienced Java Backend Developer to join our dynamic development team in Dallas, TX. The ideal candidate will have a strong background in designing and building scalable backend systems using Java and related technologies. You will be responsible for building microservices, integrating APIs, and ensur

Manager, React/WordPress (Marketing)

Kforce Technology Staffing

Remote or San Diego, California, USA

Full-time

RESPONSIBILITIES: Kforce has a client that is seeking a Manager, React/WordPress (Marketing) in San Diego, CA. Responsibilities: * Team Management: Oversee a team of 3, ensuring effective execution of the Software Development Life Cycle (SDLC) and participation in governance activities; Provide high-level delivery oversight * Hands-On Involvement: Engage in hands-on activities 50-70% of the time, particularly with the marketing team * Enterprise Integration: Integrate into enterprise processes

Lead Backend Developer

Y & L Consulting Inc.

Remote

Full-time

PLEASE NO VENDORS OR C-2-C < dir="ltr">About the RoleWe re looking for a Senior Backend Software Engineer who s excited to get their hands dirty, solve real problems, and move fast. You ll play a critical role on a small, highly collaborative team working on products that directly impact our partners and customers. This isn t a siloed role we want someone who s not just comfortable, but energized by jumping into conversations with the product team, account managers, and customers. You ll help s

Senior Software Development Engineer

CVS Health

Remote or Blue Bell, Pennsylvania, USA

Full-time

At CVS Health, we're building a world of health around every consumer and surrounding ourselves with dedicated colleagues who are passionate about transforming health care. As the nation's leading health solutions company, we reach millions of Americans through our local presence, digital channels and more than 300,000 purpose-driven colleagues - caring for people where, when and how they choose in a way that is uniquely more connected, more convenient and more compassionate. And we do it all w

AEM Engineer

Encora

Remote

Contract

Senior AEM Engineer Location: Remote (have to work PST hours) Duration: 6+ months contract Job Summary: We are seeking a Senior AEM (Adobe Experience Manager) Engineer to lead the design, development, enhancement, and support of web applications built on AEM. This is a hands-on technical role requiring deep expertise in AEM Sites and its underlying frameworks. The ideal candidate will be experienced in building scalable, maintainable, and performant AEM solutions while working closely with cros

Java Backend Developer

Randstad - Torc

Remote

Contract

We are looking for a Java Backend Developer to join our team! You will be responsible for designing, developing, and maintaining scalable and high-performance backend systems. If you are passionate about backend development, microservices, and cloud-based applications, this is the right opportunity for you! ResponsibilitiesDesign, develop, and maintain high-performance backend applications using Java.Implement RESTful APIs and integrate with external services.Work with microservices architecture