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Founding Full Stack Engineer Jobs in New York (NOW HIRING)

talentpluto

Full Stack Engineer

New York, NY · On-site

$250K - $260K/yr

The Opportunity Our partner is hiring Senior Full Stack Engineers to help build the next generation of their product. This is a backend-heavy product engineering role focused on developing customer ...

Cross River

Full Stack Engineer

Fort Lee, NJ

$160K - $200K/yr

What We're Looking For Cross River Bank is seeking a Senior Full Stack Engineer who thrives at the intersection of intelligent systems and polished product experiences. You'll work across the entire ...

Pensar

Full Stack Engineer

New York, NY · On-site

Pensar is looking for a talented Full Stack Engineer to join our team and help build the future of offensive security software. You'll work closely with security researchers, product managers, and ...

talentpluto

Senior Full Stack Engineer

Manhattan, NY · On-site

$210 - $260/hr

The Opportunity As a Senior Full Stack Engineer, you will work across the stack, spanning frontend, backend, and the data pipelines and agentic/AI workflows at the core of the product. This is a ...

Cross River

Full Stack Engineer

Fort Lee, NJ · On-site

$160K - $200K/yr

What We're Looking For Cross River Bank is seeking a Senior Full Stack Engineer who thrives at the intersection of intelligent systems and polished product experiences. You'll work across the entire ...

iCapital Network

Full Stack Engineer

New York, NY

The Full Stack Engineer at iCapital Network will work end-to-end on new Features, Enhancements, and Defect Resolution on the core iCapital Platform. You will work closely with our Product Management ...

Zenlaw

Full-Stack Engineer (Remote)

New York, NY · On-site +1

As a Zenlaw Full-Stack Engineer you will: * Develop new features working with cross-functional squads, within a distributed team * Use creative thinking - we are building most of our features from ...

Cross River

Full Stack Engineer

Fort Lee, NJ · On-site

The Full Stack Engineer will lead the design and architecture of their LLM-based platform, collaborating with product managers and stakeholders to translate business vision into scalable technical ...

Willis Re

Full Stack Engineer

New York, NY · On-site

$200K - $220K/yr

Full Stack Engineer Willis Re is building its global technology estate from the ground up, unencumbered by legacy and designed around data, analytics and modern cloud platforms. We are looking for a ...

Clerkie

Full-Stack Engineer

New York, NY · Remote

About the role We're looking for a Full-Stack engineer who wants to build, own, and ship end-to-end product experiences in a fast-moving environment. This role is ideal for someone who is comfortable ...

iCapital Network

Full Stack Engineer

New York, NY · On-site

The Full Stack Engineer at iCapital Network will work end-to-end on new Features, Enhancements, and Defect Resolution on the core iCapital Platform. You will work closely with our Product Management ...

Cypress HCM

Sr. Full Stack Engineer

New York, NY

$175K - $200K/yr

Sr. Software Engineer We're looking for a strong full stack engineer to join a collaborative, fast-moving development team focused on building high-quality, user-centric web applications. This is an ...

Junior

Full Stack Engineer

Manhattan, NY · On-site

They are looking for a Full Stack Engineer to join their team, who will have the opportunity to work on groundbreaking projects and contribute to product decisions while shaping the engineering ...

Melio

Full Stack Engineer

New York, NY · Hybrid

$135K - $160K/yr

Full Stack Engineer Location: Hybrid in NYC (3 day in-office requirement) Qualifications: * 4-5+ years of professional experience as a software engineer with frontend and backend development. * Hands ...

Altis

Full-Stack Engineer

New York, NY · On-site

$120K - $240K/yr

We're looking for a full-stack AI engineer who ships production-grade intelligence platforms at 5-10× velocity. In this role, you will: * Own end-to-end full-stack features across React/Next.js ...

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All JobsFounding Full Stack Engineer JobsFounding Full Stack Engineer Jobs in New York

Founding Full Stack Engineer information

What is a founding full stack engineer?

A Founding Full Stack Engineer is an early, core technical team member at a startup who is responsible for building both the front-end and back-end of the company's product. This role goes beyond typical engineering, often involving product decisions, architecture design, and collaborating directly with the founders. Founding Full Stack Engineers help shape the company's culture, technical direction, and can have significant equity stake. Their work is crucial in taking the business from idea to launch, often in a fast-paced, resource-limited environment.

What are the key skills and qualifications needed to thrive as a founding full stack engineer?

To thrive as a Founding Full Stack Engineer, you need expertise in both front-end and back-end development, deep knowledge of programming languages like JavaScript, Python, or Ruby, and experience with scalable architectures, often backed by a degree in computer science or equivalent experience. Familiarity with frameworks (React, Node.js, Django), version control systems (Git), cloud platforms (AWS, GCP), and DevOps practices is typically required. Strong problem-solving, initiative, adaptability, and excellent communication distinguish successful candidates, enabling effective collaboration in a startup environment. These skills and qualities are crucial for building robust products rapidly and influencing the company's technical direction from its early stages.

What is the difference between Founding Full Stack Engineer vs Full Stack Engineer?

AspectFounding Full Stack EngineerFull Stack Engineer
CredentialsTypically requires proven full stack development experience, sometimes with startup or early-stage company involvementRequires relevant full stack development skills, often with formal education or certifications
Work EnvironmentEarly-stage startups or founding teams, often wearing multiple hatsEstablished companies or startups, focused on project delivery
Employer & Industry UsageFounding teams, startups, tech entrepreneursTech companies, agencies, startups, corporate IT teams

Founding Full Stack Engineers are key players in early-stage startups, often involved in building core products from scratch and shaping company technology. Full Stack Engineers work across various company sizes, focusing on developing and maintaining applications. The main difference lies in the startup environment and level of involvement in founding the company.

What unique challenges might a founding full stack engineer face when joining an early-stage startup?

As a Founding Full Stack Engineer at an early-stage startup, you'll often balance building core product features with setting up foundational technical infrastructure. This role typically requires wearing multiple hats, from architecting systems and writing code to making critical technology decisions and collaborating closely with non-technical founders. You may encounter challenges such as ambiguous requirements, shifting priorities, and limited resources, but you'll also have significant influence over the company's technical direction. The dynamic environment encourages rapid learning and offers accelerated career growth, particularly for those who thrive in fast-paced, collaborative settings.
What are popular job titles related to Founding Full Stack Engineer jobs in New York? For Founding Full Stack Engineer jobs in New York, the most frequently searched job titles are:
What job categories do people searching Founding Full Stack Engineer jobs in New York look for? The top searched job categories for Founding Full Stack Engineer jobs in New York are:
What cities in New York are hiring for Founding Full Stack Engineer jobs? Cities in New York with the most Founding Full Stack Engineer job openings:
Founding Full Stack Engineer jobs near you
Infographic showing various Founding Full Stack Engineer job openings in New York as of August 2026, with employment types broken down into 92% Full Time, 2% Part Time, and 6% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution.

Full Stack Engineer

talentpluto

New York, NY • On-site

$250K - $260K/yr

Full-time

Re-posted 12 days ago

Job description

Location: Union Square, New York City
Work Model: In-Office, 5 Days/Week
Industry: AI Infrastructure / Data Infrastructure / SaaS
Compensation: $190,000-$215,000 base salary + meaningful early-stage equity (target total compensation up to ~$250K-$260K)
About the Company
Our partner is a rapidly growing, venture-backed AI infrastructure startup building the technology that enables software companies to migrate customer data between complex systems quickly and reliably. Their platform automates one of the most difficult problems in enterprise software adoption-moving and transforming data across CRMs, ERPs, and other systems of record-allowing customers to onboard in hours instead of weeks.
The company has experienced exceptional growth, increasing revenue nearly 4x in the first half of the year, and is now scaling both its engineering and go-to-market teams. Their product sits at the intersection of AI, data infrastructure, and workflow automation, solving technically challenging problems for a growing customer base.
The Opportunity
Our partner is hiring Senior Full Stack Engineers to help build the next generation of their product. This is a backend-heavy product engineering role focused on developing customer-facing features, building scalable data movement systems, and solving complex engineering problems that directly impact customers.
This isn't an environment where engineers simply work through tickets. The team is looking for builders who enjoy shaping product direction, collaborating closely with customers, and using AI as a core part of their development workflow. You'll work alongside experienced engineers in a highly collaborative environment where ownership, initiative, and product thinking are expected from day one.
Responsibilities
  • Design, build, and maintain full-stack product features with an emphasis on backend systems
  • Develop scalable data movement pipelines and workflow automation capabilities
  • Partner with product, engineering, and occasionally customers to solve real-world technical challenges
  • Contribute to product direction by providing thoughtful technical feedback and implementation ideas
  • Build AI-enabled product capabilities and incorporate modern AI tooling into daily development workflows
  • Write clean, maintainable TypeScript code across frontend and backend services
  • Help improve platform performance, reliability, and developer experience

Requirements
  • 5-7+ years of professional software engineering experience (4 years minimum considered)
  • Strong experience building full-stack applications using TypeScript and React
  • Experience developing backend systems, APIs, and data-intensive applications
  • Product-minded engineer who enjoys solving customer problems-not just implementing requirements
  • Comfortable working in fast-paced startup environments with significant ownership
  • Demonstrated use of AI tools within your engineering workflow
  • Strong communication skills and willingness to collaborate across product and engineering teams

Nice to Have
  • Experience with ETL, data movement, workflow orchestration, or pipeline development
  • Experience with browser automation, web scraping, or automation tooling
  • Experience working with AI agents or modern LLM frameworks
  • Familiarity with AWS, Postgres, or Temporal

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