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Senior Mern Stack Developer Jobs in New York (NOW HIRING)

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Senior Full Stack Developer

New York, NY · Remote

Job Role Senior Full Stack Developer Location Remote Duration 6+ Months Interview type 2 virtual rounds (30 minutes each) Required Skills : NET, C#, Angular, SQL, .NET Core, CI/CD, AWS / Azure Cloud ...

Photon

Sr Full Stack - .Net - New York

Manhattan, NY · On-site

Senior Full Stack Developer (.NET) Job Title Senior Full Stack Developer - .NET Job Summary We are seeking an experienced Senior Full Stack Developer with strong expertise in the Microsoft .NET ...

Conduent, Inc.

Senior Java Full Stack Developer

Somerset, NJ · On-site

$55.50 - $71.50/hr

Senior Java Full Stack Developer Do you enjoy designing scalable Java microservices and leading development teams to deliver high-performance enterprise applications? Are you passionate about ...

Conduent, Inc.

Senior Java Full Stack Developer

Somerset, NJ · Hybrid

$55.50 - $71.50/hr

Senior Java Full Stack Developer Do you enjoy designing scalable Java microservices and leading development teams to deliver high-performance enterprise applications? Are you passionate about ...

Perr&Knight

Senior Full Stack Developer

Newark, NJ · On-site

$130K - $150K/yr

Employee Recognition Program Perr&Knight is looking for a Senior Full-Stack Developer to fulfill the following objectives on our PK1Cloud Software team: * Collaborating with product and architecture ...

Perr&Knight

Senior Full Stack Developer

Newark, NJ · On-site

$130K - $150K/yr

Employee Recognition Program Perr&Knight is looking for a Senior Full-Stack Developer to fulfill the following objectives on our PK1Cloud Software team: * Collaborating with product and architecture ...

Oraapps Inc

Java Full Stack Developer

Manhattan, NY · On-site

$58 - $74.75/hr

Job Title - Senior Java Full Stack Developer Location - NYC Hybrid -2 to 3 days Mode of Interview - 1) AI Screening 2) Video Interview 3) In Person Note - This is a W-2 position, and we welcome ...

Democorp

Senior Full Stack Developer

New York, NY · On-site

$100K/yr

The Senior Full Stack Developer role is located in our New York, NY office. We are looking for an individual who is passionate about a career in engineering. This is an inside sales position that is ...

Democorp

Senior Full Stack Developer

New York, NY

$100K/yr

The Senior Full Stack Developer role is located in our New York, NY office. We are looking for an individual who is passionate about a career in engineering. This is an inside sales position that is ...

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Senior Mern Stack Developer information

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

To thrive as a Senior MERN Stack Developer, you need deep expertise in JavaScript, proficiency with MongoDB, Express.js, React.js, and Node.js, and typically a bachelor's degree in computer science or related field. Experience using source control systems like Git, familiarity with cloud platforms (e.g., AWS), and understanding of CI/CD pipelines are highly valued. Strong problem-solving, leadership, and effective communication skills help you guide teams and collaborate with stakeholders. These skills ensure efficient development of scalable web applications and effective team leadership in dynamic tech environments.

What is a Senior MERN Stack Developer?

A Senior MERN Stack Developer is an experienced software engineer who specializes in building full-stack web applications using the MERN stack: MongoDB, Express.js, React, and Node.js. They handle both front-end and back-end development, create scalable and efficient applications, and often mentor junior team members. In addition to coding, they may be responsible for designing application architecture, optimizing performance, and ensuring best practices throughout the development process.

How does a Senior MERN Stack Developer typically collaborate with other team members on large-scale projects?

As a Senior MERN Stack Developer, you’ll often work closely with front-end and back-end developers, UI/UX designers, QA engineers, and product managers to deliver robust web applications. Collaboration usually involves participating in code reviews, architectural discussions, sprint planning, and daily stand-up meetings. You may also mentor junior developers, help define best practices, and ensure seamless integration across the MERN (MongoDB, Express, React, Node.js) stack. Effective communication and teamwork are essential, especially when troubleshooting complex issues or deploying new features.
What are the most commonly searched types of Mern Stack Developer jobs in New York? The most popular types of Mern Stack Developer jobs in New York are:
What are popular job titles related to Senior Mern Stack Developer jobs in New York? For Senior Mern Stack Developer jobs in New York, the most frequently searched job titles are:
What job categories do people searching Senior Mern Stack Developer jobs in New York look for? The top searched job categories for Senior Mern Stack Developer jobs in New York are:
What cities in New York are hiring for Senior Mern Stack Developer jobs? Cities in New York with the most Senior Mern Stack Developer job openings:
Senior Mern Stack Developer jobs near you
Infographic showing various Senior Mern Stack Developer job openings in New York as of August 2026, with employment types broken down into 1% Internship, 84% Full Time, 8% Part Time, 1% Temporary, 5% Contract, and 1% Nights. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution.

Agentic AI - Full Stack Developer

Sincera Technologies, Inc.

Manhattan, NY • On-site

Other

Posted 21 days ago

Job description

Senior Agentic AI Full Stack Developer
Location: Hybrid/Onsite in NYC, Ny
Experience: 10+ Years
Job Summary
We are seeking a Senior Agentic AI Full Stack Developer with strong experience designing and building AI-powered autonomous applications, LLM-based workflows, and intelligent agents, combined with full-stack development expertise in Java, Spring Boot, React, and TypeScript. The ideal candidate will drive AI-first engineering initiatives by building scalable enterprise applications, integrating LLMs, and leveraging AI-assisted development tools.
Required Skills
  • Strong hands-on experience building Agentic AI applications and AI-powered workflows.
  • Experience with LLMs (OpenAI, Claude, Gemini, Azure OpenAI, Llama) and AI application development.
  • Expertise in LangGraph, LangChain, CrewAI, AutoGen, Semantic Kernel, or similar agent frameworks.
  • Experience with RAG architectures, embeddings, vector databases (Pinecone, Weaviate, Chroma, pgVector), prompt engineering, and AI orchestration.
  • Hands-on experience with AI development tools such as Claude Code, Cursor, GitHub Copilot, or similar.
  • Strong Full Stack development experience with:
    • Java, Spring Boot, Spring Security, Microservices
    • React, TypeScript, Redux
    • REST APIs and enterprise integrations
  • Experience with SQL Server, database optimization, and high-volume data processing.
  • Experience with Docker, Kubernetes, Git, Azure DevOps, and CI/CD pipelines.
  • Strong understanding of secure coding practices, software architecture, and cloud-native development.
  • Experience building enterprise AI agents, copilots, and autonomous workflows.
Preferred Skills
  • Python experience for AI automation and backend services.
  • Experience integrating AI solutions with financial systems, ERP platforms, or business applications.
  • Familiarity with Azure AI services and cloud-based AI platforms.
  • Experience mentoring teams in AI-first software development practices.

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