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Sr Fullstack Developer Jobs in New York (NOW HIRING)

Senior FullStack Engineer

New York, NY ยท Hybrid

$170K - $200K/yr

Senior FullStack Engineer Location: Hybrid in NYC (3 day in-office requirement) Qualifications: * 7+ years of professional experience as a software engineer with end-to-end frontend and backend ...

Senior Fullstack Engineer

New York, NY ยท On-site

$185K - $215K/yr

The Role As a Senior Fullstack Engineer at Copilot Money, you'll be a key contributor on a small, high-ownership engineering team building one of the most trusted personal finance apps in the market.

Senior Java FullStack Developer

Manhattan, NY ยท On-site

$63 - $80.50/hr

ICONMA is an IT Services and Consultant company, and they are seeking a Senior Java FullStack Developer for their New York, NY location. The role involves designing and developing high-performance ...

Senior Fullstack Engineer

Manhattan, NY ยท On-site

$190K - $230K/yr

We're seeking exceptional fullstack engineers to join us at our early stage. Together, we will create the AI layer that will redefine healthcare for the better. We're hiring an experienced product ...

Senior Fullstack Engineer

New York, NY ยท On-site +1

$134K - $176K/yr

Role Details Role overview: We're looking for an experienced fullstack engineer who can lead the ... Help us build and maintain a strong (and enjoyable!) developer experience. * Ensure that the ...

Senior Fullstack Engineer, Auctions

New York, NY ยท On-site +1

$140K - $180K/yr

We're looking for a Senior Fullstack Engineer to build the engine behind a marketplace that moves hundreds of millions of dollars in GMV. Our Auctions team doesn't just "list items"--we build the ...

What You'll Build & Achieve As our Senior Fullstack Engineer, you'll be hands-on across the stack - designing, building, and scaling systems that power our AI-driven platform. Expect autonomy, speed ...

Senior Software Engineer - Fullstack

New York, NY ยท On-site

$134K - $176K/yr

Brigit is looking for senior fullstack engineers to help us scale our next-generation consumer finance platform to millions of users in the next year. We've found tremendous traction helping low ...

Showing results 21-40

Sr Fullstack Developer information

What is the difference between Sr Fullstack Developer vs Backend Developer?

AspectSr Fullstack DeveloperBackend Developer
Required SkillsProficiency in both frontend (JavaScript, HTML, CSS) and backend (Node.js, Python, Java)Specialized in server-side languages and database management
Work EnvironmentWorks on both client-facing and server-side componentsFocuses primarily on backend systems and APIs
Common UsageUsed across full product development teamsPrimarily in backend-focused roles within development teams

The main difference between a Sr Fullstack Developer and a Backend Developer is the scope of expertise. A Sr Fullstack Developer handles both frontend and backend tasks, while a Backend Developer specializes in server-side development. Both roles require strong programming skills, but the Fullstack role demands broader knowledge across the entire application stack.

What is a Sr Fullstack Developer?

A Sr Fullstack Developer is an experienced software engineer who is proficient in both frontend and backend development. They work with a variety of programming languages, frameworks, and databases to build fully functional web applications. In addition to coding, senior fullstack developers often lead projects, mentor junior developers, and help make architectural decisions. Their broad skill set allows them to handle tasks across the entire technology stack, ensuring that applications are efficient, scalable, and user-friendly.

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

To thrive as a Sr Fullstack Developer, you need advanced proficiency in both front-end and back-end programming languages, frameworks, and a solid understanding of software architecture, typically supported by a computer science degree or equivalent experience. Familiarity with tools such as Git, Docker, CI/CD pipelines, cloud platforms, and relevant certifications like AWS Certified Developer or similar are often expected. Strong problem-solving abilities, effective communication, and a collaborative mindset are vital soft skills for this role. These competencies enable developers to deliver robust, scalable solutions and effectively drive projects to completion in dynamic team environments.

What are some typical challenges a Sr Fullstack Developer faces when balancing front-end and back-end responsibilities?

Sr Fullstack Developers often need to juggle tasks across both the front-end and back-end, which can be challenging when priorities shift quickly or deadlines are tight. Balancing deep technical knowledge in multiple frameworks and languages while ensuring seamless integration requires strong organizational skills and effective communication with both UI/UX designers and backend engineers. Additionally, staying updated with evolving technologies on both ends is crucial, so time management and continuous learning are key to success in this role.

What cities in New York are hiring for Sr Fullstack Developer jobs?

Cities in New York with the most Sr Fullstack Developer job openings:

Infographic showing various Sr Fullstack Developer job openings in New York as of August 2026, with employment types broken down into 1% As Needed, 86% Full Time, 8% Part Time, 1% Temporary, and 4% Contract. Highlights an 84% Physical, 6% Hybrid, and 10% Remote job distribution.

Senior FullStack Engineer

Melio

New York, NY โ€ข Hybrid

$170K - $200K/yr

Full-time

Re-posted 6 hours ago


Job description

Senior FullStack Engineer

Location: Hybrid in NYC (3 day in-office requirement)

Qualifications:

  • 7+ years of professional experience as a software engineer with end-to-end frontend and backend development.
  • 3+ years of hands-on experience with the React framework.
  • 2+ years of experience with Node.js, Typescript
  • 2+ years of experience with AWS, Lambda, and cloud architecture
  • A deep understanding of production systems and the architecture of web products.
  • Independent, fast learner and excited about learning new technologies.
  • Proactive team player with a desire to impact our team, our product and our customers.

A day in the life and how you'll make an impact:

  • As a Senior Full Stack Engineer for Product Engineering, your day will be spent creating and maintaining the products that let our customers manage their business payments in new ways.
  • We are building a platform that allows us to quickly iterate and launch custom solutions with high profile partners like Capital One and Shopify. We release features on an ongoing basis, build integrations, and develop tools that help us work more efficiently.
  • You'll interact with various parts of the system, from the back-end to the front-end, hence your work will involve dealing with diverse data structures and user interfaces. You'll work with technologies like AWS Lambda, Node.js, TypeScript, React, and MySQL to make this possible. We're building REST APIs that we use internally and share externally, and new products based on these.
  • Cross-collaborate and discuss with other team members about current issues or future improvements, writing code to implement new features or fix bugs, conducting code reviews, and deploying updates.
  • Having a continuous improvement mindset, you'll strive to identify areas for improvement in the codebase and propose actionable solutions.
  • This role will be vital to ensure we maintain the quality of our products, uptime and availability, and solving our users' needs.

About the team:

The Partnerships Integration team works as a part of our Product Engineering group and acts as the gateway for Melio's external partners. We maintain long-term relationships, and provide the features and tools that partners need to integrate with our platform. Our integrations enable partners to embed, white-label, or customize Melio's payment capabilities, opening up new business opportunities.

We collaborate with different stakeholders to deliver seamless integrations, build trust with our partners, and push forward Melio's mission of transforming business payments. We work with modern technologies, including React, Node.js, TypeScript, and AWS microservices, and we are agile and collaborative, constantly looking for ways to improve our partner experience, product reliability, and codebase.

In this team, you'll be part of a high-performance culture that values innovation, problem-solving, and teamwork.

About Melio USA:

  • Competitive compensation packages: We strive to make each and every employee feel valued and appreciated. The annual base salary range for this position is $170,000-$200,000
  • Medical, Dental, and Vision: We offer generous and highly competitive plans with up to 100% employer-paid coverage, FSA and HSA.
  • 401K matchings: Feel the investment of working at a fast growing company.
  • Wellness: We take a holistic approach to wellness at Melio with a focus on providing financial, physical, emotional, social, and community support for our employees.
  • Time Off: Time to rest and recharge is a priority for us. We offer competitive vacation time, sick days, holidays, parental leave and wedding days to allow you to take the time you need, when you need it.
  • Food perks: Enjoy our fully stocked kitchens, along with a weekly Seamless stipend and plenty of catered meals each week.
  • Office culture: Thrive in our collaborative offices in New York City or Denver, in a hybrid working environment. We are dog friendly as well!
  • Growth and development: Lean on the diverse team to foster professional and personal growth through workshops, mentorship programs, and team building activities.

Melio builds business-to-business (B2B) payment tools so small business owners can spend less time in the back office and more time on their craft. As the fastest-growing B2B payment platform in the US, Melio is working hard to find new and better ways to help small businesses succeed in the ways that work best for them.

Melio's diversity, equity and inclusion efforts have always been a top priority within our team. We are an Equal Opportunity Employer, and all of our employees encompass different strengths, experiences and backgrounds. DEI within Melio prioritizes race, gender, age, disability status, veteran status, sexual orientation, religion and many other parts that make up one's identity. Having a diverse team across all offices is key to our success, and inclusion is each #TeaMelio member's responsibility. Melio accepts job applications on an ongoing basis until the position is filled. If you are interested in applying for this job opportunity, please do so directly on our careers page (or if you're here already, scroll down and apply now!). This employer participates in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S.