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Senior Fullstack Developer Jobs (NOW HIRING)

Midi Health

Senior Fullstack Engineer

San Francisco, CA · Hybrid

$170K - $210K/yr

Senior Fullstack Engineer Hybrid - Palo Alto, California Senior Full-stack Engineer Location: Hybrid- San Francisco OR Palo Alto Office, Tuesday/Thursday The difference you will make We're looking ...

StackandCo

... need Fullstack Engineers who are skilled on both the backend and UI, however this role will be much heavier on the server side. \n \n \n \n \n \n You'll get the opportunity to work with other ...

Commure

Senior Fullstack Engineer

Mountain View, CA · On-site

They are seeking a Senior Fullstack Engineer to design scalable, AI-powered healthcare solutions, mentor junior engineers, and collaborate with various stakeholders to create efficient UI solutions.

Commure

Senior Fullstack Engineer

San Francisco, CA · On-site

The Senior Fullstack Engineer will design and influence decisions affecting the fullstack architecture for scalable healthcare solutions, mentor junior engineers, and collaborate with cross ...

Commure

Senior Fullstack Engineer

Mountain View, CA · On-site

They are seeking a Senior Fullstack Engineer to design scalable AI-powered healthcare solutions and lead technical planning for new features while collaborating closely with product managers and ...

Commure

Senior Fullstack Engineer

Manhattan, NY · On-site

They are seeking a Senior Fullstack Engineer to design scalable AI-powered healthcare solutions and lead technical planning for new features while collaborating closely with product managers and ...

Spangleai

Senior Fullstack Engineer

Seattle, WA

$139K - $183K/yr

Senior Fullstack Engineer Launched in 2025, Spangle AI is the agentic conversion layer connecting ... Familiarity with cloud infrastructure (AWS or GCP) and modern DevOps practices * Strong ...

OTR Solutions

Senior Fullstack Engineer

Roswell, GA · On-site

$112K - $148K/yr

They are seeking a Senior Fullstack Engineer to build and evolve their AI-powered platform ... DevOps and Infrastructure-as-Code initiatives (Terraform experience preferred) • Utilize AI ...

Giga AI, Inc.

Senior Fullstack Engineer

Encino, CA

Taking customer conversations, policies, and API documents, and automatically translating that into a highly-effective personalized agent As a senior fullstack engineer, you'll own features end-to ...

Blackbird

Senior/Staff Fullstack Engineer

Manhattan, NY

$180K - $240K/yr

Senior Fullstack Engineer Blackbird is looking for a Senior Fullstack Engineer to own Flycar, our restaurant payments terminal used by thousands of restaurants. You'll build the software servers and ...

Layer Health

Senior Fullstack Engineer

Manhattan, NY

$190K - $230K/yr

Senior Fullstack Engineer Layer Health was founded in 2023 by leading machine learning researchers from MIT and Harvard Medical School. We are building an AI layer that can accurately and scalably ...

Giga AI Inc

Senior Fullstack Engineer

San Francisco, CA · On-site

$210K - $350K/yr

Taking customer conversations, policies, and API documents, and automatically translating that into a highly-effective personalized agent As a senior fullstack engineer, you'll own features end-to ...

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How much do senior fullstack developer jobs pay per hour?

As of Jun 10, 2026, the average hourly pay for senior fullstack developer in the United States is $61.73, according to ZipRecruiter salary data. Most workers in this role earn between $52.40 and $69.23 per hour, depending on experience, location, and employer.

Is full stack worth it in 2026?

For a Senior Fullstack Developer, full stack development remains valuable in 2026 due to ongoing demand for versatile skills across front-end and back-end technologies. Proficiency in frameworks like React, Node.js, and cloud platforms enhances job prospects, making full stack a strategic choice for career growth. Continuous learning and adapting to new tools are essential in this evolving field.
What cities are hiring for Senior Fullstack Developer jobs? Cities with the most Senior Fullstack Developer job openings:
What are the most commonly searched types of Fullstack Developer jobs? The most popular types of Fullstack Developer jobs are:
What states have the most Senior Fullstack Developer jobs? States with the most job openings for Senior Fullstack Developer jobs include:
Infographic showing various Senior Fullstack Developer job openings in the United States as of June 2026, with employment types broken down into 21% As Needed, 11% Full Time, 11% Part Time, and 57% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $128,400 per year, or $61.7 per hour.

Senior Fullstack Engineer, AI Observability & Evals Platform

LangChain

Manhattan, NY

$175K - $240K/yr

Other

Medical, Dental, Vision, Retirement, PTO

Posted 6 days ago

Job description

Senior Fullstack Engineer

In person 5 days/week in San Francisco

We're looking for a Senior Fullstack Engineer for our commercial product LangSmith, an observability and evals platform. In this role, you'll have the opportunity to shape the technical direction of our platform while working closely with enterprise customers, developer end-users and internal stakeholders.

What You Will Do
  • Lead the technical architecture and implementation of key product features for LangSmith, working across our entire Go, Python, and Typescript stack.
  • Collaborate closely with product and design teams to iterate on new features.
  • Mentor and guide more junior members of the team. Drive aggressive project timelines while ensuring high engineering standards are being met.
  • Lead by example in writing clean, maintainable, and well-tested code
What You Bring
  • 5+ years of experience in software engineering working on complex platform products
  • Fullstack engineering experience with Go or Python on the backend and React + Typescript on the frontend.
  • Strong understanding of database systems, particularly Postgres and Redis
  • Experience designing and scaling APIs, preferably in a high-performance, data-intensive application
  • A "get stuff done" attitude - comfortable shipping fast and iterating based on user feedback
  • Strong communicator with the ability to collaborate closely with various internal stakeholders and engage directly with our top-tier customers
  • Strong ownership mindset
  • Bonus: Experience with AI/LLM-powered applications, developer tools, or observability platforms

Compensation

  • Annual salary range: $175,000-$240,000 USD

Compensation Philosophy:

We offer competitive compensation that includes base salary, variable compensation for relevant roles, meaningful equity, benefits, and perks. Actual compensation and offerings will vary based on role, level, and location. Team members in the EU, UK, and APAC receive locally competitive benefits aligned with regional norms and regulations.

Benefits include medical, dental, and vision coverage, flexible vacation, a 401(k) plan, meals on in-office days in the US and more.

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