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Full Stack Developer Intern Jobs in New York (NOW HIRING)

Cynet Systems

Full Stack Developer (React)

Manhattan, NY · On-site

$70 - $75/hr

We are looking for Full Stack Developer (React) for our client in New York City, NY Job Title: Full Stack Developer (React) Job Location: New York City, NY Job Type: Contract Job Overview: Pay Range ...

New

Page Group

Full Stack Developer

Manhattan, NY · On-site

$105K - $135K/yr

We are seeking a skilled Full Stack Developer to join our team in Long Island City. This role involves designing, developing, and maintaining web applications for a Financial Services organization.

MRINetwork Jobs

Full Stack Developer

Manhattan, NY · On-site

$150K - $200K/yr

The organization is seeking a Full Stack Developer who wants to work directly with underwriters, customers, and leadership to build products that fundamentally change how risk is evaluated, priced ...

Neeljym Search Group

Full Stack Developer

Manhattan, NY · On-site

$150K - $200K/yr

The organization is seeking a Full Stack Developer who wants to work directly with underwriters, customers, and leadership to build products that fundamentally change how risk is evaluated, priced ...

Staffingine LLC

Net Full Stack Developer

Newark, NJ · On-site

$58 - $68/hr

Job Title: .Net Full Stack Developer Job Location: Newark, NJ Job Type: Contract * Design, develop, and maintain full-stack web applications using .NET technologies (e.g., C#, ASP.NET Core, .NET ...

MRINetwork Jobs

Full Stack Developer

Manhattan, NY · On-site

$150K - $200K/yr

The organization is seeking a Full Stack Developer who wants to work directly with underwriters, customers, and leadership to build products that fundamentally change how risk is evaluated, priced ...

MRINetwork Jobs

Full Stack Developer

Manhattan, NY · On-site

$150K - $200K/yr

The organization is seeking a Full Stack Developer who wants to work directly with underwriters, customers, and leadership to build products that fundamentally change how risk is evaluated, priced ...

Scalence L.L.C.

Full Stack Developer

Jersey City, NJ · On-site

C. is seeking a Full Stack Developer with extensive experience in React, Redux, and Node.js. The role involves working on projects within the banking domain and requires strong hands-on development ...

MRINetwork Jobs

Full Stack Developer

Manhattan, NY · On-site

$150K - $200K/yr

The organization is seeking a Full Stack Developer who wants to work directly with underwriters, customers, and leadership to build products that fundamentally change how risk is evaluated, priced ...

Staffingine LLC

Full Stack Developer

New York, NY · On-site

Full Stack Developer Job Location: New York Job Type: Contract * Exp 6-8 years * Handson experience with React or Angular Node Js Express Nest Js and MongoDB. * Handson experience with ...

TMS

Full Stack Developer

Morristown, NJ · On-site

MS SQL Server · NET Full Stack Developer responsible for designing. · Developing and maintaining high performance scalable web applications using the NET core and Blazor UI integrating with Apache ...

The Cypress Group

Full Stack Developer

New York, NY · Hybrid

$110K - $150K/yr

Software Engineer - Full Stack (Python/web framework) About the Opportunity A leading global financial technology and market infrastructure company is seeking a Full Stack Software Engineer to join ...

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Full Stack Developer Intern information

What types of projects and technologies can a Full Stack Developer Intern expect to work on during their internship?

As a Full Stack Developer Intern, you'll typically be involved in projects that span both front-end and back-end development, such as building web applications, developing new features, or troubleshooting existing systems. You may work with technologies like JavaScript frameworks (e.g., React or Angular) for the front end, and languages such as Python, Java, or Node.js for the back end. It's common to collaborate closely with other developers, designers, and sometimes product managers, gaining exposure to the full software development lifecycle. Interns often participate in code reviews, agile sprints, and team meetings, providing valuable hands-on experience and learning opportunities.

What are the key skills and qualifications needed to thrive as a Full Stack Developer Intern, and why are they important?

To thrive as a Full Stack Developer Intern, you need a strong grasp of front-end and back-end programming languages, such as JavaScript, HTML/CSS, and either Node.js, Python, or Java, along with a relevant academic background in computer science or a related field. Familiarity with version control systems like Git, web frameworks (e.g., React, Express), and databases (SQL/NoSQL) is typically required. Strong problem-solving abilities, eagerness to learn, and effective communication skills help interns collaborate with teams and adapt to new technologies. These competencies are crucial for contributing to real-world projects, quickly adapting to workplace demands, and laying the foundation for a successful development career.

What is a Full Stack Developer Intern?

A Full Stack Developer Intern is a trainee who assists in building both the front-end (user interface) and back-end (server, database) components of web applications. Interns in this role work under the guidance of experienced developers to learn and contribute to the entire software development process. They often use programming languages like JavaScript, Python, or Java, and frameworks such as React, Node.js, or Django. The internship provides practical experience in coding, debugging, and deploying web applications, preparing interns for a full-time developer position.
What are the most commonly searched types of Full Stack Developer jobs in New York? The most popular types of Full Stack Developer jobs in New York are:
What are popular job titles related to Full Stack Developer Intern jobs in New York? For Full Stack Developer Intern jobs in New York, the most frequently searched job titles are:
What job categories do people searching Full Stack Developer Intern jobs in New York look for? The top searched job categories for Full Stack Developer Intern jobs in New York are:
What cities in New York are hiring for Full Stack Developer Intern jobs? Cities in New York with the most Full Stack Developer Intern job openings:
Full Stack Developer Intern jobs near you
Infographic showing various Full Stack Developer Intern job openings in New York as of July 2026, with employment types broken down into 11% Internship, 57% Full Time, and 32% Contract. Highlights an 95% In-person, and 5% Hybrid job distribution.

Full Stack Developer

Starcom Mediavest Group Germany Gmbh

Manhattan, NY • On-site

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 22 days ago

Job description

Company Description
Within Publicis Groupe's Intelligent Creativity business, we specialize in bringing creative ideas to life, and to consumers.
By combining 100 years of craft excellence with 6,000 experts across 52 locations of the world's biggest studio network, we leverage the industry's richest data, through the power of agentic AI, to radically redefine content production with Intelligent Content. We intuitively deliver this through Marcel Make, the world's first Intelligent Content agent. The result? Predictively performing content that unlocks business growth in unprecedented ways.
No more guesswork. No more waste. Just content that works, working a lot harder.
Job Description
The Full Stack Developer is responsible for designing, developing, and maintaining both client-side and server-side components of web applications, with a primary focus on creating high-quality demo sites that showcase product capabilities and user experiences. This role bridges the gap between frontend interfaces and backend systems, ensuring seamless integration, performance optimization, and scalability across the entire stack. In addition to demo site development, the Full Stack Developer will contribute to core application features, troubleshoot issues, and implement enhancements when demo-related work is not required. The ideal candidate possesses a holistic understanding of web technologies, thrives in agile environments, and can deliver complete, end-to-end solutions that meet business and technical objectives.
Responsibilities
  • Demo Site Development (Primary Focus): Design and build interactive, visually compelling demo sites that effectively showcase product capabilities and deliver exceptional user experiences. Ensure rapid turnaround, scalability, and maintainability for demo environments.
  • System Architecture and Design: Architect scalable, maintainable full-stack solutions, making strategic decisions on technology choices, service boundaries, data flow, and integration patterns for both demo sites and core applications.
  • End-to-End Feature Delivery: Implement complete features across the stack, including frontend UI, backend services, APIs, and database integration, ensuring seamless functionality and performance.
  • Technical Standards and Best Practices: Establish and enforce coding standards, architectural patterns, API design guidelines, and development best practices across frontend and backend components.
  • Performance Optimization: Design and implement solutions for high-performance systems, including caching strategies, database tuning, and frontend optimization for fast-loading demo sites and production applications.
  • Cloud Infrastructure & Deployment: Build and manage cloud-based environments (AWS, Azure, or GCP) for demo sites and applications, leveraging serverless architectures, microservices, and cost-effective deployment strategies.
  • Security and Compliance: Implement robust security measures across all layers, including authentication, data encryption, and compliance with organizational and industry standards.
  • Technology Evaluation & Innovation: Research emerging technologies, lead proof-of-concepts, and recommend tools and frameworks that enhance demo site quality and overall development efficiency.
  • Collaboration & Communication: Work closely with product managers, designers, and stakeholders to understand demo requirements, define technical specifications, and align solutions with business objectives.
  • Documentation & Knowledge Sharing: Maintain clear technical documentation for demo site architecture, deployment processes, and reusable components to ensure scalability and knowledge transfer.

Skills & Competencies:
  • Full Stack Architecture & System Design: Ability to design scalable, maintainable architectures spanning frontend, backend, databases, and cloud infrastructure with strong focus on performance, security, and long-term evolution.
  • Frontend Development (React/Vue): Expertise in modern frontend frameworks and patterns, including micro-frontends, server-side rendering/static generation (Next.js, Nuxt.js), advanced state management, and performance optimization for demo sites and production apps.
  • Backend Development (Node.js/Go/Java): Strong experience in building high-performance backend services, microservices architecture, event-driven systems, and API gateway patterns.
  • Cloud Infrastructure: Proficiency in GCP services, including serverless architectures), and infrastructure-as-code tools (Terraform).
  • Database Design & Optimization: Skilled in designing and optimizing relational and NoSQL databases, implementing sharding, replication, indexing, and query optimization.
  • Security & Compliance: Knowledge of OWASP best practices, authentication/authorization patterns, encryption, and compliance standards (e.g., GDPR).
  • Performance Engineering: Ability to optimize performance across the stack-frontend rendering, backend profiling, database queries, caching strategies (Redis, CDN), and load testing.
  • API Design & Integration: Expertise in REST API design, versioning strategies, and third-party integrations.
  • Project Management: Ability to break down complex initiatives, manage dependencies, and keep projects on track.
  • Collaboration & Empathy: Creates a psychologically safe environment, resolves conflicts constructively, and fosters team growth.

Qualifications
  • 5+ years of professional experience in full-stack web development, delivering end-to-end solutions across frontend and backend.
  • Experience implementing complete features across the stack, including frontend UI, backend services, APIs, and database integration.
  • Exposure to collaborating with cross-functional teams, including product managers, designers, and DevOps engineers.
  • Bachelor's or Master's degree in Computer Science, Engineering, or related discipline.

Additional Information
Our Publicis Groupe motto "Viva La Différence" means we're better together, and we believe that our differences make us stronger. It means we honor and celebrate all identities, across all facets of intersectionality, and it underpins all that we do as an organization. We are focused on fostering belonging and creating equitable & inclusive experiences for all talent.
Publicis Groupe provides robust and inclusive benefit programs and policies to support the evolving and diverse needs of our talent and enable every person to grow and thrive. Our benefits package includes medical coverage, dental, vision, disability, 401K, as well as parental and family care leave, family forming assistance, tuition reimbursement, and flexible time off.
If you require accommodation or assistance with the application or onboarding process specifically, please contact USMTTACompliance@publicis.com.
All your information will be kept confidential according to EEO guidelines.
Compensation Range: USD $88,540.00 - USD $121,100.00/Annually. This is the pay range the Company believes it will pay for this position at the time of this posting. Consistent with applicable law, compensation will be determined based on the skills, qualifications, and experience of the applicant along with the requirements of the position, and the Company reserves the right to modify this pay range at any time. Temporary roles may be eligible to participate in our freelancer/temporary employee medical plan through a third-party benefits administration system once certain criteria have been met. Temporary roles may also qualify for participation in our 401(k) plan after eligibility criteria have been met. For regular roles, the Company will offer medical coverage, dental, vision, disability, 401k, and paid time off. The Company anticipates the application deadline for this job posting will be 8/3/2026.

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