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Junior Fullstack Developer Jobs in New York (NOW HIRING)

Commure

Senior Fullstack Engineer

Manhattan, NY · On-site

... junior engineers, guiding fullstack engineering, design patterns, and coding standards • Collaborate with product managers, designers, and clinical experts to translate requirements into intuitive ...

Sharestates

Fullstack Developer

Great Neck, NY · On-site

Provide guidance and mentorship to other junior developers. * Rapidly develop proof of concepts to demonstrate proposed solutions to key decision-makers. * Document all development activities in ...

Virtusa Corporation

Java Fullstack developer

New York, NY · On-site

$57.50 - $74/hr

In addition to building robust software solutions, you will mentor junior engineers, champion best practices, and help establish long-term technical roadmaps. Key Responsibilities * Lead the design ...

Commure

Senior Fullstack Engineer

New York, NY · On-site

$170K - $230K/yr

Mentor junior engineers, guiding fullstack engineering, design patterns, and coding standards * Collaborate with product managers, designers, and clinical experts to translate requirements into ...

Commure

Fullstack Engineer, AI Integrations

New York, NY · Remote

$135K - $200K/yr

We're looking for a Fullstack Engineer who takes ownership end-to-end, moves fast, and wants their ... Work closely with junior engineers to provide technical guidance and mentorship , helping them ...

Oscar Health

Staff Software Engineer, Fullstack

New York, NY · On-site

$192K - $252K/yr

About the role We are hiring for Staff Software Engineers, Fullstack (with a frontend lean) to join ... junior engineers. This is an authentic Oscar Health job opportunity. Learn more about how you can ...

Anagh Technologies, Inc.

MERN

NJ · On-site

Principal Software Engineer (Fullstack Lead/Architect MERN) with Mobile Application Developer and ... You will also be expected to mentor and guide junior engineers, ensuring that they are equipped ...

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Junior Fullstack Developer information

What is a Junior Fullstack Developer?

A Junior Fullstack Developer is an entry-level software developer who works on both the front-end and back-end components of web applications. They typically have foundational knowledge of programming languages and frameworks such as HTML, CSS, JavaScript, and at least one back-end language like Node.js, Python, or Java. Their responsibilities may include building user interfaces, connecting to databases, and collaborating with other developers to deliver functional software solutions. As juniors, they usually work under the supervision of more experienced developers while they gain more skills and experience.

What are some common challenges faced by Junior Fullstack Developers when working on cross-functional teams?

Junior Fullstack Developers often encounter challenges in balancing front-end and back-end tasks, especially when collaborating with more specialized team members. They may need to quickly adapt to different coding standards, tools, and communication styles across departments. Regularly seeking feedback, proactively asking questions, and participating in code reviews can help bridge knowledge gaps and ensure smooth collaboration. Over time, these experiences build both technical proficiency and confidence in contributing to diverse team projects.

What is the difference between Junior Fullstack Developer vs Junior Frontend Developer?

AspectJunior Fullstack DeveloperJunior Frontend Developer
Required SkillsHTML, CSS, JavaScript, basic backend knowledge (e.g., Node.js, Python)HTML, CSS, JavaScript, frameworks like React or Angular
Work EnvironmentBoth frontend and backend tasks, full project involvementPrimarily UI/UX, client-side development
Common UsageStartups, small teams, full project rolesWeb design agencies, frontend-focused teams

The main difference between a Junior Fullstack Developer and a Junior Frontend Developer is the scope of work. Fullstack developers handle both frontend and backend tasks, while frontend developers focus mainly on user interface and experience. Your choice depends on your interest in working across the entire tech stack or specializing in frontend design.

What are the key skills and qualifications needed to thrive as a Junior Fullstack Developer, and why are they important?

To thrive as a Junior Fullstack Developer, you need a solid understanding of front-end and back-end programming languages (such as JavaScript, HTML, CSS, and a back-end language like Node.js or Python), as well as foundational knowledge of web development principles. Familiarity with version control systems like Git, databases (SQL or NoSQL), and frameworks such as React or Express is typically required, and certifications like freeCodeCamp or coding bootcamps can be beneficial. Strong problem-solving skills, adaptability, and effective communication help you collaborate with teams and learn quickly in a fast-paced environment. These skills and qualities are crucial for efficiently building, maintaining, and improving web applications while contributing to team objectives.
What cities in New York are hiring for Junior Fullstack Developer jobs? Cities in New York with the most Junior Fullstack Developer job openings:
Junior Fullstack Developer jobs near you
Infographic showing various Junior Fullstack Developer job openings in New York as of June 2026, with employment types broken down into 92% Full Time, 6% Part Time, and 2% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution.

Java Fullstack Developer / AWS Architect

Prophecy Technologies

Jersey City, NJ • On-site

$65.75 - $88.75/hr

Full-time

Posted 19 days ago

Job description

Job Summary
We are seeking a highly skilled Java Fullstack Developer with AWS Architect expertise to design, develop, and implement scalable, high-performance applications on Amazon Web Services (AWS). The ideal candidate will combine strong fullstack development capabilities with deep knowledge of cloud architecture, DevOps principles, and AWS services to deliver robust, cost-effective solutions.
Key Responsibilities
  • Design & Architecture: Architect highly available, scalable, and cost-optimized solutions using AWS architectural principles.
  • Fullstack Development: Develop front-end (React, Angular, HTML, CSS, JavaScript) and back-end (Java, J2EE, Spring, Spring Boot) components.
  • Cloud-Native Implementation: Integrate various AWS services (EC2, S3, Lambda, RDS, SQS, SNS, API Gateway) into application architecture.
  • Microservices & Containerization: Build microservices-based applications using Docker and Kubernetes.
  • DevOps & CI/CD: Implement and maintain CI/CD pipelines using AWS CodePipeline, CodeBuild, and other DevOps tools.
  • Collaboration & Mentoring: Work with stakeholders, guide junior developers, and ensure long-term reliability and maintainability of solutions.
  • Documentation & Best Practices: Define application architecture, create high-level design artifacts, and enforce coding/architecture best practices.

Required Skills & Technologies
  • Programming: Core Java, J2EE, Object-Oriented Software Development (OOSD)
  • Back-End Frameworks: Spring, Spring Boot, RESTful APIs, microservices architecture
  • Front-End Technologies: HTML5, CSS3, JavaScript, React, Angular
  • Databases: Relational (PostgreSQL, MySQL, AWS Aurora) and NoSQL (MongoDB, DynamoDB)
  • Cloud Services: AWS EC2, S3, RDS, Lambda, SQS, SNS, API Gateway
  • Infrastructure as Code (IaC): Terraform, AWS CloudFormation (or Pulumi)
  • Security: AWS Identity and Access Management (IAM)
  • Containerization & Orchestration: Docker, Kubernetes
  • CI/CD & DevOps: AWS CodePipeline, CodeBuild, and related DevOps processes

Competencies
  • Strong analytical, problem-solving, and architectural design skills
  • Ability to mentor and guide junior developers
  • Effective communication with stakeholders and technical teams
  • Hands-on experience delivering end-to-end fullstack and cloud solutions

Preferred Certifications
  • AWS Certified Solutions Architect - Associate
  • AWS Certified Developer - Associate
  • Oracle Certified Professional Java SE Developer

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