Top 216 Back end developers Jobs in Lone Tree, Co

C++ Engineer - AI Trainer
DataAnnotation —Thornton, CO
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
Quick Apply
Android Developer - AI Trainer
DataAnnotation —Littleton, CO
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
Quick Apply
AI/ML Developer - AI Trainer
DataAnnotation —Arvada, CO
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
Quick Apply
Android Developer - AI Trainer
DataAnnotation —Aurora, CO
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
Quick Apply
Senior Developer
Integrated New Media, Inc —Denver, CO
- $110,000 - $170,000 a year
- Full-time
- Hybrid work
- 7 years
- Office
- SQL
- Health savings account
- Health insurance
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Mid-Level Backend Software Engineer
Leidos —Aurora, CO
- $87,100 - $157,450 a year
- Full-time
- Azure
- Computer Science
- System design
System Developer I
Inceed —Lakewood, CO
- $90,000 - $135,000 a year
- Hybrid work
- Background check
- Computer science
- Computer Science
- Paid holidays
- Disability insurance
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Senior React Developer/Architect
CGI Group, Inc. —Centennial, CO
- $98,500 - $172,400 a year
- Analysis skills
- Mentoring
- Senior level
- Paid parental leave
- Paid holidays
JAVA Developer (Local candidates only) $70.00
Calance US —Denver, CO
- $70 - $78 an hour
- Contract
- Hybrid work
- Office
- JavaScript
- In-person
- AD&D insurance
- Disability insurance
Java Software Engineer Level 4
Northrop Grumman —Aurora, CO
- $142,200 - $213,400 a year
- Overtime
- 5 years
- Office
- Java
- Paid holidays
- Disability insurance
2d
Java Software Engineer Level 5
Northrop Grumman —Aurora, CO
- $177,000 - $265,600 a year
- Overtime
- 5 years
- Office
- Java
- Paid holidays
- Disability insurance
2d
Senior Scala Backend Engineer
Pyramid Consulting, Inc —Denver, CO
- $53 - $55 an hour
- Urgently hiring
- System design
- English
- Office
- Health insurance
- Dental insurance
Quick Apply
Quant Solutions Engineer
Janus Henderson —Denver, CO
- $65,000 - $75,000 a year
- Hybrid work
- Azure
- Computer Science
- Mid-level
- Paid holidays
- Health insurance
Back-end Ground Software Engineer III - Lunar Permanence
Blue Origin —Denver, CO
- $150,931.00 - $230,512.80 a year
- Full-time
- Background check
- 5 years
- Bachelor of Science
- Paid parental leave
- Paid holidays
Front-End ASP.Net Developer
PIN Business Network —Greenwood Village, CO
- $70,000 - $105,000 a year
- Full-time
- Writing skills
- Mid-level
- 3 years
- Health insurance
- 401(k)
Quick Apply
Software Engineer I
DAT —Denver, CO
- $85,000 - $117,000 a year
- Hybrid work
- Computer science
- Computer Science
- Software troubleshooting
- Health savings account
- AD&D insurance
Back-End Software Developer (Full-Stack Lean
Wanco, Inc —Arvada, CO
- $115,000 - $135,000 a year
- Full-time
- Mid-level
- Office
- 3 years
- Health insurance
- Dental insurance
Quick Apply
Software Engineer - SFTP (MOVEit)
Empower Annuity Insurance Company of America —Greenwood Village, CO
- $87,400 - $123,400 a year
- Remote
- Mid-level
- Office
- Windows
- Paid parental leave
- Paid holidays
9d
Senior Lead C Sharp/ Dot Net Developer
Charles Schwab —Lone Tree, CO
- $150,000 - $170,000 a year
- Hybrid work
- 7 years
- Computer Science
- Software troubleshooting
- Paid parental leave
- Employee stock purchase plan
Application Developer - Web
UCHealth —Aurora, CO
- $39.64 - $72.84 an hour
- Full-time
- Remote
- Azure
- Mid-level
- Windows
- 403(b) matching
- Health savings account

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back end developers jobs near lone tree, co

C++ Engineer - AI Trainer

DataAnnotation -
Thornton, CO

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Job Details

Part-time | Full-time | Contract
$50 - $100 an hour

Benefits

Flexible schedule

Qualifications

English

Full Job Description

DataAnnotation is committed to creating quality AI. Help train AI chatbots while gaining the flexibility of remote work and choosing your own schedule.

We are looking for an existing C++ Engineer - AI Trainer to help train AI models. You'll be part of a growing community of over 100,000 professionals — including front-end, back-end, full-stack, machine learning, and other engineers — who are driving real-world impact in AI development.

Our platform offers an engaging blend of flexibility and challenge: you'll work closely with state-of-the-art AI models to take on programming tasks that include creating and solving challenging coding problems, building beautiful apps with rich functionality, and synthesizing insights through data analysis and visualization. Your work directly contributes to refining intelligent systems that learn, adapt, and evolve. You can fit this work alongside a full-time role, or treat it as your primary focus, choosing projects and schedules that align with your availability and goals.

To get started, once you sign up for an account, you'll take a short assessment (this serves as our version of an interview). If you pass that assessment, you'll receive an email confirmation, and paid work will become available to you through our platform.

Advantages of contracting with us:

Fully remote: work from anywhere in the US, Canada, UK, Ireland, Australia, and New Zealand.
Flexible schedule: choose which projects you take on and when you work, on your own computer, from the comfort of your own home.
Competitive pay: projects are paid hourly, up to $100+ USD per hour. Opportunities for higher bonus rates available for certain projects.
Impact: help shape the future of AI technologies.

Responsibilities:

Design and solve diverse coding problems used to train AI systems.
Write clear, high-quality code snippets and detailed explanations.
Evaluate AI-generated code for accuracy, performance, and clarity.
Provide feedback that directly shapes the next generation of AI models.

Qualifications:

Fluency in English (native or bilingual level).
Proficiency in at least one of the following programming languages or frameworks: JavaScript, TypeScript, Python, C, C#, C++, React, Go, Java, Kotlin, or Swift.
Excellent writing and grammar skills.
A bachelor's degree (completed or in progress).
Previous experience as a Software Developer, Coder, Software Engineer, or Programmer is preferred.

Note: Payment is made via PayPal. We will never ask for any money from you. PayPal will handle any currency conversions from USD. This job is only available to those in the US, Canada, UK, Ireland, Australia, and New Zealand. Those located outside of these countries will not see work or assessments available on our site at this time.

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Refine Your Search

back end developers jobs in lone tree, co

C++ Engineer - AI Trainer

Android Developer - AI Trainer

AI/ML Developer - AI Trainer

Android Developer - AI Trainer

Senior Developer

Mid-Level Backend Software Engineer

System Developer I

Senior React Developer/Architect

JAVA Developer (Local candidates only) $70.00

Java Software Engineer Level 4

Java Software Engineer Level 5

Senior Scala Backend Engineer

Quant Solutions Engineer

Back-end Ground Software Engineer III - Lunar Permanence

Front-End ASP.Net Developer

Software Engineer I

Back-End Software Developer (Full-Stack Lean

Software Engineer - SFTP (MOVEit)

Senior Lead C Sharp/ Dot Net Developer

Application Developer - Web

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