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Sr Fullstack Developer Jobs (NOW HIRING)

Giga AI Inc

Senior Fullstack Engineer

New York, NY · 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 ...

OTR Solutions

Senior Fullstack Engineer

Roswell, GA · On-site

$112.70K - $148.60K/yr

Contribute to DevOps and Infrastructure-as-Code initiatives (Terraform experience preferred ... Senior-level experience in fullstack development, including React, TypeScript, modern JavaScript ...

Hudson River Trading

Fullstack Developer

Chicago, IL

Fullstack Developers at HRT work either on our platform team (i.e. you work on infrastructure ... Work closely with a variety of senior technical and non-technical users and own projects end-to-end ...

OTR Solutions

Senior Fullstack Engineer

Roswell, GA

$112.70K - $148.60K/yr

Contribute to DevOps and Infrastructure-as-Code initiatives (Terraform experience preferred ... Senior-level experience in fullstack development, including React, TypeScript, modern JavaScript ...

AIT Global, Inc.

Sr Fullstack .NET Developer

Irving, TX · On-site

Job Title: Sr Fullstack .NET Developer Location: Irving, TX Required Qualifications: * Strong experience with .NET Core and/or .NET Framework * Hands-on experience building modern applications with ...

New

Clarium

Senior Fullstack Engineer

$125.40K - $165.30K/yr

Role Overview We're looking for a Senior Fullstack Engineer that's passionate about using their skills to unlock efficiency for hospitals and their suppliers. In this role, you'll work to design ...

OTR Solutions

Senior Fullstack Engineer

Roswell, GA · On-site

They are seeking a Senior Fullstack Engineer to play a long-term role in building and evolving ... DevOps and Infrastructure-as-Code initiatives (Terraform experience preferred) • Utilize AI ...

MM International

Sr Java Fullstack Developer

Woodbridge, NJ · On-site

$57.75 - $73.75/hr

Title: Sr Java Fullstack Developer Locations: Woodbridge Township, NJ (Hybrid), (3 days onsite/2 wfh) Duration: 12+ Months Contract Interview Process: 1 round, potentially 2 worst case Required ...

Midi Health

Senior Fullstack Engineer

Palo Alto, CA · Hybrid

$170K - $210K/yr

Senior Full-stack Engineer Location: Hybrid- San Francisco OR Palo Alto Office, Tuesday/Thursday The difference you will make We're looking for a senior fullstack engineer to join our growing team as ...

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How much do sr fullstack developer jobs pay per hour?

As of May 30, 2026, the average hourly pay for sr fullstack developer in the United States is $59.26, according to ZipRecruiter salary data. Most workers in this role earn between $49.28 and $68.27 per hour, depending on experience, location, and employer.

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 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 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.

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Sr Fullstack Developer jobs near you
Infographic showing various Sr Fullstack Developer job openings in the United States as of May 2026, with employment types broken down into 1% As Needed, 76% Full Time, 17% Part Time, and 6% Contract. Highlights an 94% Physical, 5% Hybrid, and 1% Remote job distribution, with an average salary of $123,262 per year, or $59.3 per hour.

Senior Fullstack Engineer

Giga AI Inc

New York, NY • On-site

$210K - $350K/yr

Full-time

Medical, Dental, Vision, Retirement

Posted 7 days ago

Job description

About Giga
Giga has recently raised a $61M Series A and has several paying customers, including DoorDash. We're building the next generation of customer experience - real-time AI agents that can understand emotion, resolve issues instantly, and scale across the world's largest enterprises.
It's an exciting inflection point for the company. While we have been successful, we have larger ambitions. Our goal is to become the go-to AI platform for all enterprise automation, powered by our voice superintelligence.To achieve this, we need more great engineers.
The work affects millions of people every day and our engineers have autonomy and make true impact. This opportunity is unique because we have brilliant founders, have found commercial success, and see a clear path to becoming a generational company. Some further info about us:
  • Voice AI startup Giga raises $61M Series A
  • DoorDash and Giga Partnership

Giga builds AI agents trusted by the largest B2C companies in the world. Industry leaders like DoorDash trust Giga with their most complex support and operations workflows across voice, chat, and email. If being a part of this resonates with you, please apply!
The Role
We're looking for a fullstack engineer to build the product our customers use to configure, monitor, and interact with their AI agents. You'll own features end-to-end: from the APIs and data models to the interfaces customers use to manage their agents and understand performance.
This is a product engineering role. You'll work closely with design and product to ship features that customers actually use, iterating based on feedback and usage data. You'll need to balance polish with speed; we're a startup, so we ship fast, but the product still needs to feel good.
What You'll Work On
A few examples from our current roadmap:
  • Agent configuration: Building the APIs and interfaces that let customers set up and customize their agents without writing code
  • Analytics dashboards: Creating the data pipelines and visualizations that help customers understand how their agents are performing
  • Conversation interfaces: Designing how users interact with and review agent conversations, including the backend systems that store and retrieve conversation data
  • Onboarding: 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-end, from database schema and API design through frontend implementation. You'll make decisions about system architecture, data modeling, and how to structure the codebase as it grows.
Tech Stack
  • Frontend: TypeScript, React, Next.js
  • Infrastructure: AWS, Modal, Kubernetes, Postgres
  • Backend: Python (Django/FastAPI), TypeScript (Node.js)

You Might Be a Fit If You
  • Have 4+ years of fullstack engineering experience building user-facing products
  • Are strong in both frontend (TypeScript, React) and backend (Python or similar), with opinions about how to structure a codebase
  • Have good product instincts-you can take a rough design and fill in the gaps, or push back when something doesn't make sense
  • Care about the details that make a product feel polished, but know when to ship
  • Are comfortable working across the entire stack, from database queries to delightful UI
  • Want to own features, not just implement specs handed to you
  • Are excited about building tools that help people work with AI

Perks & Benefits
  • Catered lunch daily
  • Dinner stipend
  • $150/month wellness benefit (gym, fitness classes, mental health)
  • 401(k) plan
  • Paid parental leave (12 weeks maternal, 6 weeks paternal)
  • Commuter benefits
  • Medical, dental, and vision coverage

Giga is an equal opportunity employer. We're committed to providing equal employment opportunities regardless of race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other characteristic protected by law.

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