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Junior Front End Developer Jobs in Puerto Rico (NOW HIRING)

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Junior Front End Developer information

What does a junior front end developer do?

A Junior Front End Developer is responsible for creating and maintaining the user-facing parts of websites and web applications. They use languages like HTML, CSS, and JavaScript to build interactive and visually appealing interfaces. Typically, they work as part of a development team, assisting with coding, debugging, and implementing design changes based on user or client feedback. Their role often involves learning new technologies and best practices under the guidance of more experienced developers.

What are the key skills and qualifications needed to thrive as a junior front end developer, and why are they important?

A Junior Front End Developer should possess foundational knowledge of HTML, CSS, and JavaScript, along with a relevant degree or coding bootcamp experience. Familiarity with frameworks like React or Vue.js, version control systems such as Git, and basic understanding of responsive design tools is often expected. Strong problem-solving skills, attention to detail, and effective communication help set candidates apart in collaborative environments. These skills are crucial for building user-friendly, high-quality web interfaces and contributing effectively to development teams.

What are some typical challenges a junior front end developer faces when joining a new team, and how can they overcome them?

Junior Front End Developers often encounter challenges such as adapting to established codebases, understanding team workflows, and keeping up with rapidly evolving front-end technologies. To overcome these, it's helpful to proactively ask questions, seek mentorship from more experienced teammates, and utilize code reviews as learning opportunities. Familiarizing yourself with the team's preferred tools and frameworks, as well as participating in regular stand-ups or sprint meetings, can also ease the transition and foster collaboration.

What is the difference between Junior Front End Developer vs Front End Developer?

AspectJunior Front End DeveloperFront End Developer
Experience LevelEntry-level, 0-2 yearsMid-level, 2+ years
SkillsBasic HTML, CSS, JavaScript, learning frameworksProficient in HTML, CSS, JavaScript, frameworks like React or Angular
ResponsibilitiesAssist in front-end tasks, bug fixes, learning project workflowsDevelop features, optimize UI, collaborate with designers and back-end teams
Work EnvironmentMentored roles, supervised tasksIndependent task management, team collaboration

The main difference between a Junior Front End Developer and a Front End Developer lies in experience and responsibility. Junior developers are typically entry-level, focusing on learning and assisting with tasks, while Front End Developers are more experienced, handling complex features and independent work.

What are the most commonly searched types of Front End Developer jobs in Puerto Rico?

The most popular types of Front End Developer jobs in Puerto Rico are:

What are popular job titles related to Junior Front End Developer jobs in Puerto Rico?

For Junior Front End Developer jobs in Puerto Rico, the most frequently searched job titles are:

Infographic showing various Junior Front End Developer job openings in Puerto Rico as of August 2026, with employment types broken down into 92% Full Time, and 8% Contract. Highlights an 80% In-person, and 20% Remote job distribution.

Full-time

Re-posted 13 days ago


Job description

AI Software developer IIIThis role has been designed as 'Hybrid' with a requirement that you will work on average 2 days per week from an HPE office.

Who We Are:

Hewlett Packard Enterprise is the global edge-to-cloud company advancing the way people live and work. We help companies connect, protect, analyze, and act on their data and applications wherever they live, from edge to cloud, so they can turn insights into outcomes at the speed required to thrive in today's complex world.Our culture thrives onfinding new and better ways to accelerate what's next.We know varied backgrounds are valued and succeed here. We have the flexibility to manage our work and personal needs.We make bold moves, together, and are a force for good. If you are looking to stretch and grow your career our culture will embrace you.Open up opportunities with HPE.

Job Description:

We are seeking for a FullStack Engineer who can be solid individual contributor and can design and implement user interfaces, backend services, and integrations end-to-end. They deliver features with high code quality, collaborate closely with seniors/leads, and demonstrate ownership of modules and tasks within a sprint. Having a good Networking knowledge

Responsibilities:


Feature Delivery (UI + API)

  • Build responsive, accessible front-end UI components and pages.
  • Develop backend REST/gRPC APIs, business logic, and data models.
  • Ensure clear contracts between front-end and backend.

Integration & Data Handling

  • Implement CRUD flows, pagination, and state management.
  • Integrate with authentication/authorization, telemetry/analytics, and storage systems.
  • Consume external services: LLM endpoints, agent orchestration APIs, or RAG services (where applicable).

Quality & Testing

  • Write unit/integration/e2e tests for UI and backend.
  • Add input validation, error handling, and observability hooks (logs/metrics/traces).
  • Maintain type safety, and documentation for features.

Performance & Reliability

  • Optimize rendering, bundle size, and API latency; add caching and retries.
  • Address N+1 queries, DB indexes, and query efficiency.
  • Participate in on-call rotations or incident triage with guidance.

DevOps & CI/CD Hygiene

  • Contribute to build pipelines, environment configs, and deployment manifests.
  • Containerize services (Docker) and follow branching/versioning best practices.
  • Manage feature flags, configuration, and secrets safely.

Collaboration & Communication

  • Work with designers, product, QA/ and senior engineers.
  • Provide clear status updates, capture decisions in ADR/design notes.
  • Review peer PRs; accept feedback and iterate quickly.

Education and Experience Required:

  • Bachelor's degree in computer science, engineering, data science, or closely related quantitative discipline. Master's degree is desirable.
  • Typically, 4-7 years' experience.

Knowledge and Skills:

  • Frameworks: React (preferred) / Angular ; modern hooks/patterns.
  • UI/UX: HTML5, CSS3/Sass, Tailwind/Material; accessibility (a11y), responsive design.
  • Languages/Frameworks: Python (FastAPI/Flask) or Node.js (Express/NestJS);
  • APIs: REST/gRPC; pagination, filtering, versioning, OpenAPI/Swagger.
  • Data: SQL (Postgres/MySQL) and NoSQL (Mongo/Redis); ORMs (SQLAlchemy/Prisma).
  • Testing: pytest/Jest; integration and contract tests.
  • Containers: Docker basics; compose; image optimization.
  • CI/CD: GitHub Actions/Azure DevOps; pipelines, artifacts, environments.
  • Cloud: Familiarity with cloud services (AWS/Azure/GCP) and environments.
  • Observability: Logs/metrics/traces; dashboarding; alerting fundamentals
  • AIIntegration (NicetoHave for AI Apps)
  • Consume LLM/agent APIs; handle token/latency/cost controls.
  • Work with RAG services (vector search endpoints); understand request/response patterns.
  • Implement prompt/response logging and guardrails integration (basic filters).

#LI-Hybrid

What We Can Offer You:

Health & Wellbeing

We strive to provide our team members and their loved ones with a comprehensive suite of benefits that supports their physical, financial and emotional wellbeing.

Personal & Professional Development

We also invest in your career because the better you are, the better we all are. We have specific programs catered to helping you reach any career goals you have - whether you want to become a knowledge expert in your field or apply your skills to another division.

Unconditional Inclusion

We are unconditionally inclusive in the way we work and celebrate individual uniqueness. We know varied backgrounds are valued and succeed here. We have the flexibility to manage our work and personal needs. We make bold moves, together, and are a force for good.

Let's Stay Connected:

Follow @HPECareers on Instagram to see the latest on people, culture and tech at HPE.

#puertorico#networking

Job:

Engineering

Job Level:

TCP_03

HPE is an Equal Employment Opportunity/ Veterans/Disabled/LGBT employer. We do not discriminate on the basis of race, gender, or any other protected category, and all decisions we make are made on the basis of qualifications, merit, and business need. Our goal is to be one global team that is representative of our customers, in an inclusive environment where we can continue to innovate and grow together. Please click here: Equal Employment Opportunity.

Hewlett Packard Enterprise is EEO Protected Veteran/ Individual with Disabilities.

HPE will comply with all applicable laws related to employer use of arrest and conviction records, including laws requiring employers to consider for employment qualified applicants with criminal histories.

Recruitment Fraud Alert

We have become aware of an increase in fraudulent recruitment activities in which individuals impersonate our company or authorized recruitment agencies to offer fake employment opportunities. These scams may occur through false websites, emails, social media, or chat-based applications and often aim to obtain personal information or money. Please note that Hewlett Packard Enterprise (HPE), its direct and indirect subsidiaries and affiliated companies, and its authorized recruitment agencies/vendors will never charge a candidate a registration fee, hiring fee, or any other fee in connection with its recruitment and hiring process. We also never request personal information such as back account details, Social Security numbers, or national IDs via social media or chat applications.

All legitimate job opportunities will come through official company channels, and candidates are responsible for verifying the credentials of any third party claiming to represent the company. Any reliance on fraudulent communication is at the individual's own risk, and HPE disclaims legal liability for any resulting damages. If you suspect recruitment fraud, do not share personal information or make any payments and report the incident to your local authorities immediately.