Top 21 Back end developers Jobs in San Juan, Pr

Contract Software Engineer - AI Trainer
DataAnnotation —San Juan, PR
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
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Application Developer
E3 Consulting —San Juan, PR
- Computer Science
- Java
- Bachelor's degree
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Frontend Developer – Costa Rica
International Talent Resources Inc. (ITR) —Parque, PR
- Full-time
- Mid-level
- Product management
- Mentoring
Senior Software Engineer - Remote
Vivo HealthStaff —San Juan, PR
- $165,000 - $190,000 a year
- Full-time
- Remote
- 3 years
- SQL
- JavaScript
- Paid holidays
- Disability insurance
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Lead Back-End Developer
INVID —San Juan, PR
- Full-time
- Hybrid work
- Spanish
- Azure
- Computer Science
- Health insurance
- Dental insurance
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2d
Systems Developer
The Cervantes Group —Guaynabo, PR
- $1 - $2 a year
- Full-time
- Spanish
- System design
- English
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Integration Developer (Programador)
H & H Solar LLC —San Juan, PR
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Programmer Analyst
The Cervantes Group —San Juan, PR
- Full-time
- Spanish
- Computer science
- Computer Science
Senior .NET Engineer-Puerto Rico Remote
RELQ TECHNOLOGIES LLC —San Juan, PR
- Full-time
- Remote
- SQL
- Senior level
- HTML
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Desarrollador Senior IT
RiskOne HR Consulting, LLC —San Juan, PR
- Full-time
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Software Developer
Pharmpix —Guaynabo, PR
- Full-time
- Spanish
- Computer science
- Computer Science
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Senior Software Engineer
CEGSoft —San Juan, PR
- $70,000 - $76,000 a year
- Full-time
- Hybrid work
- Spanish
- Azure
- Computer Science
Quick Apply
Senior Programmer
UPTURN —Cataño, PR
- Full-time
- Spanish
- Azure
- Computer Science
Quick Apply

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Application Developer
E3 Consulting —San Juan, PR
Requirement Gathering: Collaborate with Product Managers and UI/UX designers to understand user stories and translate them into technical tasks.
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Utilize programming languages like JavaScript, TypeScript, Java, C#, Python, and Container Orchestration services including Docker and Kubernetes, and a variety…
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Hands-on experience with front-end test automation tools and frameworks; Playwright preferred. Strong critical thinking skills, including the ability to analyze…

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back end developers jobs near san juan, pr

Contract Software Engineer - AI Trainer

DataAnnotation -
San Juan, PR

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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 Contract Software 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 at $50 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 san juan, pr

Contract Software Engineer - AI Trainer

Application Developer

Frontend Developer – Costa Rica

Senior Software Engineer - Remote

Lead Back-End Developer

Systems Developer

Integration Developer (Programador)

Programmer Analyst

Senior .NET Engineer-Puerto Rico Remote

Desarrollador Senior IT

Software Developer

Senior Software Engineer

Senior Programmer

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