Back End Engineer Jobs in Denver, CO

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141 - 160 of 247 Jobs

Lead Java Back End and Angular Developer - C13 - IRVING

Citi

•

Remote or Irving, Texas, USA

Full-time

The Back End Developer 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: Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements to deploy new products and pro
Posted 53 days ago | Updated 8 hours ago

AI Engineer - Senior Consultant II

Allstate Insurance Company

•

Texas, USA

Full-time

At Allstate, great things happen when our people work together to protect families and their belongings from life's uncertainties. And for more than 90 years our innovative drive has kept us a step ahead of our customers' evolving needs. From advocating for seat belts, air bags and graduated driving laws, to being an industry leader in pricing sophistication, telematics, and, more recently, device and identity protection. Job Description We are seeking a passionate and skilled Backend Developer
Posted 40 days ago | Updated 8 hours ago

AI Engineer Lead Consultant

Allstate Insurance Company

•

Illinois, USA

Full-time

At Allstate, great things happen when our people work together to protect families and their belongings from life's uncertainties. And for more than 90 years our innovative drive has kept us a step ahead of our customers' evolving needs. From advocating for seat belts, air bags and graduated driving laws, to being an industry leader in pricing sophistication, telematics, and, more recently, device and identity protection. Job Description We are seeking a passionate and skilled Lead Backend Devel
Posted 40 days ago | Updated 8 hours ago

Senior JavaScript Developer

Randstad - Torc

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Remote

Contract

We are looking for a Senior JavaScript Developer to join our dynamic team. As a key contributor, you will be responsible for designing, developing, and maintaining scalable and high-performance web applications. You will work with modern frameworks, APIs, and cloud-based services to deliver top-tier software solutions. ResponsibilitiesDesign, develop, and optimize web applications using JavaScript, TypeScript, and modern frameworks (React, Angular, Vue.js).Build and maintain scalable, reusable,
Posted 60+ days ago | Updated 3 days ago

Sr. Front End Developer

Ledgent Technology

•

Littleton, Colorado, USA

Full-time

Role: Senior Front-End DeveloperDuration: Direct-HireLocation: Denver Metropolitan area Overview We are seeking an experienced Senior Front-End Developer with strong expertise in Angular to lead the development of modern, responsive, and scalable web applications. This role involves close collaboration with UX designers, product managers, and back-end engineers to deliver seamless, user-focused solutions while driving front-end best practices and architectural standards. Key Responsibilities Des
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Posted 3 days ago | Updated moments ago

Sr. Backend Developer - Austin, TX/Mountain View, CA/Boulder, CO/Pittsburgh, PA

Y & L Consulting Inc.

•

Boulder, Colorado, USA

Full-time

Corp to Corp Agencies- C_2_C WILL NOT BE CONSIDERED Work Locations: Austin,TX, Boulder,CO, Pittsburgh,PA OR MountainView,CA 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
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Posted 28 days ago | Updated 9 days ago

Data Solutions - Backend Lead Developer (VP) - Hybrid

Citi

•

Remote or Jersey City, New Jersey, USA

Full-time

The Backend Lead Developer (Applications Development Technology Lead Analyst - C13) 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: Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define
Posted 60+ days ago | Updated 8 hours ago

Senior Angular Developer

Kforce Technology Staffing

•

Greenwood Village, Colorado, USA

Contract

RESPONSIBILITIES: Kforce's telecommunications client in Greenwood Village, CO is seeking an experienced Senior Angular Developer specializing in front-end development. This role requires strong expertise in Angular and NgRx to build scalable, responsive, and accessible applications. The position is primarily onsite with flexibility to work remotely one day per week. Key Responsibilities: * Senior Angular Developer will develop and maintain high-quality front-end applications using Angular with
Posted 10 days ago | Updated 1 hour ago

.NET Developer

Neo Prism Solutions, LLC

•

Remote

Contract

Job Title: .NET Backend Developer with Azure Job Description: We are looking for a .NET Backend Developer with experience in Microsoft Azure. The candidate should be skilled in C#, .NET Core, and building APIs. Experience with Azure services like App Services,React.JS
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Posted 7 days ago | Updated 13 hours ago

UI Angular Developer (AVP) - Hybrid

Citi

•

Remote or Tampa, Florida, USA

Full-time

The Institutional Data Platform team is responsible for the Olympus platform to streamline data sources across Service, Markets, Banking and Client enabling industry leading analytics, client, regulatory, surveillance supervisory risk and finance reporting and data science solutions along with genesis platform. The UI Angular Developer (Applications Development Senior Programmer Analyst - C12) is an intermediate level position responsible for participation in the establishment and implementatio
Posted 60+ days ago | Updated 8 hours ago

Back End Developer

Reveille Technologies

•

Remote

Contract

Hi There, Title: Back End Developer Project Duration: 1 year, with possible extension Work Type: Remote, EST Time Zone Additional Notes 1) Sourcing remote within the US. 2) Hiring Team prefers ET working hours. What We Do/Project This position is within Media Technology and Operations, in a software team that works on automating workflows, building easy-to-use toolsets, and solving problems for operations in and around content flows and media systems. Our team supports Live Sports, CNN, Cartoon
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Posted 4 days ago | Updated 2 days ago

Sr. Backend Developer

Y & L Consulting Inc.

•

Remote

Full-time

C_2_C_ WILL NOT BE CONSIDERED NO VENDORS, PLEASE 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, account managers, and customers. You ll help shape
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Posted 9 days ago

Kentico CMS

Mindsprint

•

Remote

Contract, Third Party

Kentico CMS (Kentico exp is MUST) Must have Skills- Kentico, Azure, Server-side development Remote from US Overview We are seeking a skilled and reliable Web Developer / Backend Engineer to provide ongoing support and project-based development across our digital ecosystem. This includes building new websites, updating existing websites, and handling server-side tasks and remediation. Familiarity with Microsoft Azure and Kentico CMS is essential. Background Our organization operates multiple web
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Posted 7 days ago

Front-End Web Developer

DaVita Inc.

•

Remote or Denver, Colorado, USA

Full-time

Posting Date 07/25/2025 2000 16th Street, Denver, Colorado, 80202, United States of America Front-End Web Developer Location: Denver/Remote Job Type: Full-Time Department: Development (Marketing & Communications) About the Role We're looking for a skilled and collaborative Front-End Web Developer to join our team and help build performant, accessible, and user-focused websites for healthcare organizations. This role is ideal for a developer who is fluent in modern front-end development pract
Posted 9 days ago | Updated 8 hours ago

Node.JS Backend Developer

PY DATA, INC.

•

Remote

Contract

Position: Node.JS Backend Developer Duration: 6+ months Location: 100% Remote Only W2 Consultants Node.JSTypescriptExpressReact - Nice to have.TypescriptAWS.
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Posted 7 days ago | Updated 12 hours ago

Java Backend Developer

SSN Group LLC

•

Remote

Contract

Hi, Job Title : Java Backend Developer with Strong JBPM Duration: 12 Months+Location: Remote 1. Experienced with Java/J2EE, core Java, spring boot, spring reactive microservices.3. Build microservices in a high traffic environment. Implement multi threaded architecture in high performing platforms.4. 5+ years of experience building and exposing Rest APIs through a spring reactive microservice platform.5. Experienced in event driven architecture like RMQ, Kafka, JMS. 3+ yrs6. Experienced with clo
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Posted 7 days ago

Java Backend Developer ( In Person Interview only ) 12+ Years Exp

Ziddos

•

Remote or Frisco, Texas, USA

Contract, Third Party

Looking for Sr Java Back end Developer Remote / Onsite Only local to Dallas Consultants Skills : Java 8+ , Micro services ,Spring Boot , Kafka , Kubernetes 12+ Yrs Experience In Person Interview with Coding Test
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Posted 14 days ago

Frontend With Vanilla JS Remote

TekVivid

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Remote

Contract

Role: Frontend Developer Location: Remote Job Description: We are looking for a skilled UI Developer with strong expertise in Vanilla JavaScript to join our team. The ideal candidate should have a passion for building clean, efficient, and user-friendly interfaces without relying on frameworks like React or Angular. Key Responsibilities: Develop and maintain responsive web interfaces using HTML5, CSS3, and Vanilla JavaScriptCollaborate with designers and backend developers to implement intuitiv
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Posted 2 days ago

BE Crypto Software Engineer

Russell, Tobin & Associates

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Remote

Contract

Job Title: Crypto Software Engineer Location: Remote California Duration: 6 Months plus Pay Range: $58/hr-$65/hr on W2 JOB DESCRIPTION Join the User Economy team in this contractor role, working on an exciting initiative that enables users to earn money through various company products such as Awards, Premium, Collectible Avatars, and more. We're redefining how users engage with and monetize their contributions, shaping the future of the company's creator ecosystem. We are specifically hiring a
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Posted 42 days ago | Updated 2 hours ago

Backend Developer (.Net) :: Remote

Caspex Corporation

•

Remote

Contract

Description: We're seeking a backend software developer experienced with developing and maintaining .NET applications as part of a high-performing agile team. You'll use your problem-solving skills to debug production issues, optimize performance, and implement new features based on evolving product owner requirements. Healthcare and insurance knowledge or experience is a plus. Responsibilities Collaborate with developers and technical leads to analyze requirements and translate them into techni
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Posted 3 days ago