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Full Stack Engineer Intern Jobs in Allentown, PA

SmartIPlace

.Net Full Stack Developer

Bethlehem, PA ยท On-site

$50 - $55/hr

... stack and maintain internal and external facing web applications using .NET programming languages ๏‚ท Assist in developing and maintaining the framework behind all systems ๏‚ท Make regular ...

Democrance

Senior Fullstack Engineer

Whitehall, PA ยท On-site

$130 - $180/hr

About the role We're looking for a Full-Stack Engineer to join the Moniepoint team. The ideal candidate has strong experience with Node.js and TypeScript, and is proficient in at least one object ...

Vantage

Sr. Software Developer - PHP

New Hope, PA

We are seeking an experienced PHP full-stack developer to join our teams producing cutting edge cloud-based web applications out of our development office in New Hope, PA. In this role, you will be ...

Vantage

PHP/React Developer, Team Lead

New Hope, PA

PHP/React Developer, Team Lead We are seeking a hands-on Team Lead to guide the architecture ... Architect full-stack solutions deployed to the cloud. * Debug time-sensitive issues. * Lead a team ...

Jobsbridge

SENIOR iOS MOBILE DEVELOPER

Warren, NJ ยท On-site

$62.25 - $80.75/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. Required 5-7 years with all the following: -OpenGL with iOS -Graphics ...

Jobsbridge

SENIOR iOS MOBILE DEVELOPER

Warren, NJ ยท On-site

$62.25 - $80.75/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. Required 5-7 years with all the following: -OpenGL with iOS -Graphics ...

Varsity Tutors

JavaScript Tutor

Allentown, PA ยท Remote

$18 - $40/hr

Ability to explain callback functions, scope and hoisting, and the event loop while preparing students for web development careers and full-stack engineering coursework. * Conceptual Teaching ...

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All JobsFull Stack Engineer Intern JobsFull Stack Engineer Intern Jobs in Allentown, PA

Full Stack Engineer Intern information

See Allentown, PA salary details

$13

$25

$38

How much do full stack engineer intern jobs pay per hour?

As of Aug 24, 2026, the average hourly pay for full stack engineer intern in Allentown, PA is $25.08, according to ZipRecruiter salary data. Most workers in this role earn between $20.38 and $28.46 per hour, depending on experience, location, and employer.

What is a full stack engineer intern?

Full Stack Engineer Interns are students or recent graduates who assist in developing both the front-end and back-end components of web applications. They work under the guidance of experienced engineers to gain hands-on experience with programming languages, frameworks, and tools used throughout the software development lifecycle. Their responsibilities often include writing code, testing applications, fixing bugs, and collaborating with teams to deliver functional software. Through this internship, they develop practical skills and a deeper understanding of how web systems work end-to-end.

What are the key skills and qualifications needed to thrive as a full stack engineer intern?

To thrive as a Full Stack Engineer Intern, you need a solid understanding of programming languages like JavaScript, HTML, CSS, and at least one backend language, often supported by coursework or relevant project experience. Familiarity with frameworks such as React or Angular, backend systems like Node.js or Django, version control (Git), and basic database management is typically expected. Strong problem-solving skills, eagerness to learn, and effective communication help interns stand out in fast-paced development teams. These skills and qualities are essential for contributing to real-world projects, collaborating effectively, and accelerating professional growth in a technical environment.

What types of projects and technologies can I expect to work with as a full stack engineer intern?

As a Full Stack Engineer Intern, you can expect to work on a variety of projects ranging from building user interfaces with front-end frameworks like React or Angular to developing backend services using technologies such as Node.js, Python, or Java. Interns often assist with integrating APIs, database management, and testing features in both development and production environments. You'll likely collaborate closely with designers, product managers, and other developers, gaining exposure to the complete software development lifecycle. This hands-on experience is designed to help you build practical skills and contribute meaningful code to real applications.

What is the difference between Full Stack Engineer Intern vs Software Developer Intern?

AspectFull Stack Engineer InternSoftware Developer Intern
Required CredentialsTypically pursuing or recently completed a degree in Computer Science or related fieldTypically pursuing or recently completed a degree in Computer Science or related field
Work EnvironmentHands-on experience with both front-end and back-end development in a team settingFocus on coding, debugging, and developing software applications, often in a specific area
Employer & Industry UsageTech companies, startups, and organizations seeking versatile interns with full-stack skills

The Full Stack Engineer Intern role involves working across both front-end and back-end technologies, providing a broad development experience. In contrast, a Software Developer Intern may focus more narrowly on specific software components or applications. Both roles are valuable for gaining industry experience, but the Full Stack Engineer Intern position offers a more comprehensive view of the entire development process.

What are popular job titles related to Full Stack Engineer Intern jobs in Allentown, PA?

For Full Stack Engineer Intern jobs in Allentown, PA, the most frequently searched job titles are:

What job categories do people searching Full Stack Engineer Intern jobs in Allentown, PA look for?

The top searched job categories for Full Stack Engineer Intern jobs in Allentown, PA are:

What cities near Allentown, PA are hiring for Full Stack Engineer Intern jobs?

Cities near Allentown, PA with the most Full Stack Engineer Intern job openings:

Full Stack Engineer Intern jobs near you
Infographic showing various Full Stack Engineer Intern job openings in Allentown, PA as of June 2026, with employment types broken down into 67% Full Time, and 33% Part Time. Highlights an 94% Physical, 3% Hybrid, and 3% Remote job distribution, with an average salary of $52,171 per year, or $25.1 per hour.

Sr Full stack Java Developer

Allentown, PA โ€ข On-site

Hudson Manpower
See more jobs at Hudson Manpowerexternal

$60 - $65/hr

Contractor

Posted 4 days ago

Job description

AI Full Stack Java Developer
  • Designed and developed scalable AI-powered full-stack applications using Java, Spring Boot, React/Angular, REST APIs, and cloud-native technologies.
  • Integrated Generative AI and Large Language Models (LLMs) into enterprise applications to deliver intelligent search, content generation, recommendation, summarization, and conversational capabilities.
  • Built AI-enabled backend services using Java, Spring Boot, Spring AI, LangChain/LangGraph concepts, and RESTful APIs, ensuring secure and maintainable application architecture.
  • Developed Retrieval-Augmented Generation (RAG) solutions by integrating LLMs with enterprise documents, knowledge bases, vector databases, and semantic search.
  • Implemented prompt engineering, prompt templates, response validation, context management, and AI guardrails to improve accuracy, consistency, and reliability of AI-generated responses.
  • Developed responsive and reusable frontend components using React/Angular, TypeScript, JavaScript, HTML5, and CSS3, integrating them with AI-enabled backend services.
  • Designed microservices using Spring Boot, Spring Cloud, API Gateway, and service-to-service communication for highly scalable distributed applications.
  • Developed and consumed REST and event-driven APIs, integrating third-party AI platforms, enterprise systems, databases, and external services.
  • Worked with OpenAI/Azure OpenAI or equivalent LLM platforms, embedding models, vector search, and AI APIs into production applications.
  • Implemented vector-based knowledge retrieval using technologies such as Pinecone, Azure AI Search, Elasticsearch, or PostgreSQL with pgvector.
  • Designed data persistence solutions using PostgreSQL, MySQL, MongoDB, and Redis, selecting appropriate storage mechanisms based on application requirements.
  • Applied Spring Security, OAuth 2.0, JWT, RBAC, and API security practices to protect enterprise and AI-powered applications.
  • Implemented asynchronous and event-driven processing using Kafka, RabbitMQ, or cloud messaging services for high-volume workloads.
  • Containerized applications using Docker and deployed microservices to Kubernetes and cloud platforms such as AWS, Azure, or GCP.
  • Developed CI/CD pipelines using Jenkins, Maven, Git, GitHub/GitLab, and automated deployment workflows.
  • Implemented automated unit, integration, API, and end-to-end testing using JUnit, Mockito, REST Assured, Selenium, Playwright, or Cypress.
  • Added observability through logging, metrics, distributed tracing, health checks, and application monitoring, helping identify performance and AI-service issues.
  • Optimized application performance through caching, database tuning, API optimization, asynchronous processing, and efficient LLM/API utilization.
  • Collaborated with product managers, architects, data scientists, QA engineers, and DevOps teams to transform business requirements into production-ready AI solutions.

Requirements
  • 5+ years of professional software development experience with strong expertise in Java and Spring Boot.
  • Strong hands-on experience building full-stack applications using Java, Spring Boot, REST APIs, React or Angular, JavaScript, and TypeScript.
  • Experience designing and developing microservices-based, scalable, and cloud-native applications.
  • Practical experience integrating Generative AI, Large Language Models (LLMs), and AI APIs into enterprise applications.
  • Strong understanding of RAG architecture, embeddings, vector databases, semantic search, prompt engineering, and LLM orchestration.
  • Experience working with OpenAI, Azure OpenAI, AWS Bedrock, Google Vertex AI, or similar AI platforms.
  • Knowledge of Spring AI, LangChain/LangGraph, or comparable AI application frameworks is highly desirable.
  • Experience developing and consuming RESTful APIs, JSON-based services, and third-party integrations.
  • Strong database experience with PostgreSQL, MySQL, MongoDB, Redis, or similar technologies.
  • Experience with Kafka, RabbitMQ, or other event-driven messaging platforms.
  • Hands-on experience with Docker, Kubernetes, CI/CD, Jenkins, Maven, Git, and cloud deployment.

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