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Intermediate Full Stack Developer Jobs in Port Jefferson, NY

Sr Developer - Full Stack

Hauppauge, NY · On-site

$110K - $158K/yr

The Senior Developer will demonstrate leadership in mentoring and assisting all on the team, and will actively participate in all disciplines required in a full-stack environment. The Senior ...

The Senior Developer will demonstrate leadership in mentoring and assisting all on the team, and will actively participate in all disciplines required in a full-stack environment. The Senior ...

The Senior Developer will demonstrate leadership in mentoring and assisting all on the team, and will actively participate in all disciplines required in a full-stack environment. The Senior ...

Responsibilities * Develop new features for key business systems and client portals, while assisting in support for existing features. * Test new features, and bug hunt before public release.

Interactive Brokers is seeking an experienced Full Stack Java Developer to join a small, high-impact team responsible for the development and maintenance of CoChMA (Client-risk Operations and Control ...

... full-stack software applications supporting investment research and internal business processes ... engineering fundamentals, including clean code, testing, debugging, and system design - Strong ...

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Intermediate Full Stack Developer information

See Port Jefferson, NY salary details

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$64

$92

How much do intermediate full stack developer jobs pay per hour?

As of Sep 8, 2026, the average hourly pay for intermediate full stack developer in Port Jefferson, NY is $64.01, according to ZipRecruiter salary data. Most workers in this role earn between $53.22 and $73.75 per hour, depending on experience, location, and employer.

What is an intermediate full stack developer?

An Intermediate Full Stack Developer is a software professional with a few years of experience who is proficient in both front-end and back-end web development. They are capable of working on the user interface, server-side logic, databases, and APIs, often collaborating with other team members to build and maintain web applications. Intermediate developers have moved beyond entry-level tasks, can work independently on moderately complex projects, and are familiar with industry-standard tools and frameworks. Their role often includes troubleshooting, optimizing code, and contributing to architecture decisions while still learning and expanding their skill set.

What are some common challenges faced by intermediate full stack developers when balancing front-end and back-end responsibilities?

Intermediate Full Stack Developers often encounter the challenge of effectively managing tasks across both front-end and back-end domains, which requires staying updated with rapidly evolving technologies on both sides. Coordinating the integration of user interfaces with server logic, ensuring seamless communication between components, and maintaining code quality across the stack can be demanding. Additionally, they frequently collaborate with UI/UX designers, DevOps engineers, and QA teams, making strong communication and time management skills essential. Addressing these challenges provides valuable experience and prepares developers for more advanced roles in the future.

What are the key skills and qualifications needed to thrive as an intermediate full stack developer, and why are they important?

To thrive as an Intermediate Full Stack Developer, you need solid proficiency in front-end and back-end programming languages (such as JavaScript, HTML/CSS, and a backend language like Node.js, Python, or Java), along with experience in database management and version control systems. Familiarity with frameworks (e.g., React, Angular, Express), cloud services, and tools like Git is typically required, and certifications in relevant technologies can be advantageous. Strong problem-solving abilities, effective communication, and teamwork distinguish high-performing developers in this role. These combined technical and interpersonal skills are crucial for efficiently building, deploying, and maintaining robust, user-friendly web applications in collaborative environments.

What is the difference between Intermediate Full Stack Developer vs Front End Developer?

AspectIntermediate Full Stack DeveloperFront End Developer
Required SkillsProficiency in both front-end and back-end technologies, including JavaScript, HTML, CSS, and server-side languagesSpecialized in client-side technologies like HTML, CSS, JavaScript, and frameworks such as React or Angular
Work EnvironmentWorks on both server and client-side applications, often in full project cyclesFocuses primarily on user interface and experience
Common UsageUsed across startups and full-stack teams in various industriesCommon in front-end teams within larger organizations

The Intermediate Full Stack Developer has a broader skill set covering both front-end and back-end development, while the Front End Developer specializes in creating and optimizing user interfaces. The choice depends on whether the role requires full-stack capabilities or a focus on client-side development.

Is an intermediate full stack developer still in demand?

Yes, intermediate full stack developers are in demand due to their versatility in working with both front-end and back-end technologies, such as JavaScript, React, Node.js, and databases. Many companies seek developers with this skill level to support ongoing software development and digital transformation efforts.

What are the most commonly searched types of Full Stack Developer jobs in Port Jefferson, NY?

The most popular types of Full Stack Developer jobs in Port Jefferson, NY are:

What cities near Port Jefferson, NY are hiring for Intermediate Full Stack Developer jobs?

Cities near Port Jefferson, NY with the most Intermediate Full Stack Developer job openings:

Infographic showing various Intermediate Full Stack Developer job openings in Port Jefferson, NY as of August 2026, with employment types broken down into 76% Full Time, 17% Part Time, 1% Temporary, 5% Contract, and 1% Nights. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution, with an average salary of $133,146 per year, or $64 per hour.

Sr Developer - Full Stack

Stifel

Hauppauge, NY • On-site

$110K - $158K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 16 days ago


Stifel rating

8.3

Company rating: 8.3 out of 10

Based on 22 frontline employees who took The Breakroom Quiz


Job description

Why Stifel

Stifel strives for a culture that puts its clients and associates first: a culture where everyone belongs, everyone is welcome, and everyone contributes to the success of our clients, their careers, and the firm as a whole.

Let's talk about how you can find your place here at Stifel, where success meets success.

What You'll Be Doing

The Senior Developer will participate in all phases of the development process including complex design, integration and maintenance while observing proper behaviors, patterns, and standards. The Senior Developer will demonstrate leadership in mentoring and assisting all on the team, and will actively participate in all disciplines required in a full-stack environment. The Senior Developer will participate in defining Stifel's best practices and ensure they are used in all development projects and procedures.

What We're Looking For
  • Work with Development team in various phases of development, including design, implementation, integration, revision control, release and the maintenance of multiple products and systems.
  • Performs advanced discovery and research into technical problems and maps out improvements for web applications.
  • Lead the development of procedures, using test-driven development, which can be utilized within continuous integration practices.
  • Follow Stifel's coding and development standards and lead community-driven efforts to update them.
  • Lead efforts to document code in ways that are useful to both developers and support staff, simplifying and clarifying complicated concepts.
  • Lead ad-hoc groups of developers across teams to accomplish harder developmental efforts
What You'll Bring
  • Displays awareness of the impact of actions on the business and demonstrates understanding of the context of the company and acts in line with it.
  • Ability to demonstrate proactive architecture-driven approach to problem resolution, strong troubleshooting in a crisis and problem-solving skills.
  • Working with a team making decisions about how development environments will be used to their fullest collaboration potential.
  • Ability to create and maintain processes and procedures to improve implementation of the software development life cycle (SDLC).
  • Uses negotiation skills and techniques to obtain agreement between different interests, challenges management constructively, bringing different views into the open.
  • Transforms mockups and wireframes into usable front-end functionality through developing, testing, and revising web application code.
  • Creates components based on user interface/user experience norms, including optimal accessibility, navigation, and cross-browser performance.
Education & Experience
  • Minimum Required: Bachelor's Degree in Computer Science or related field or equivalent experience
  • Minimum Required:6+ years' of progressive experience in software development
Licenses & Credentials
  • Minimum Required: None
Systems & Technology
  • Proficient in Microsoft Excel, Word, PowerPoint, Outlook
  • Experience in C#/.NET (Core and Framework) or T-SQL on MS SQL Server
  • Experience with Angular, AngularJS
  • Advanced experience with source control (like TFS and Git)

#LI-LL1

Compensation RangeSalary: USD $110,600.00/Yr. - USD $158,000.00/Yr. Actual salaries may vary, and may be based on several factors, including but not limited to each candidate's qualifications, skills, and overall competencies for the position. The base salary is one component of Stifel's overall compensation package for each individual employee. Other benefits and offerings include, but not limited to, discretionary bonuses, health / dental / vision / prescription insurance offerings, Stifel Total Health Connect, flexible spending accounts, tuition & certification assistance programs, paid time off, and much, much more! To view a more comprehensive list of Stifel's current offerings, please visit https://www.stifel.com/careers/benefits. Applications are accepted until the position is filled.About Stifel

Stifel is more than 130 years old and still thinking like a start-up.  We are a global wealth management and investment banking firm serious about innovation and fresh ideas.  Built on a simple premise of safeguarding our clients' money as if it were our own, coined by our namesake, Herman Stifel, our success is intimately tied to our commitment to helping families, companies, and municipalities find their own success.

While our headquarters is in St. Louis, we have offices in New York, San Francisco, Baltimore, London, Frankfurt, Toronto, and more than 400 other locations.  Stifel is home to approximately 9,000 individuals who are currently building their careers as financial advisors, research analysts, project managers, marketing specialists, developers, bankers, operations associates, among hundreds more.  Let's talk about how you can find your place here at Stifel, where success meets success.

At Stifel we offer an entrepreneurial environment, comprehensive benefits package to include health, dental and vision care, 401k, wellness initiatives, life insurance, and paid time off.

Stifel is an Equal Opportunity Employer.

Employment Type: FULL_TIME

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