Top 203 Principal Web Developer Jobs

Principal Web Developer (Rails)
Superconductor —El Cerrito, CA
- Nights as needed
- Hybrid work
- System design
- Office
- Senior level
- Health insurance
- Paid time off
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Principal Software Engineer
Focused Support LLC —Logan, UT
- $168,000 - $218,000 a year
- Full-time
- Background check
- Computer science
- Management
- Relocation assistance
- Health insurance
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Principal Software Engineer
Focused Support LLC —Columbia, MD
- $185,000 - $240,000 a year
- Full-time
- Hybrid work
- Computer science
- Management
- Computer Science
- Relocation assistance
- Health insurance
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Principal Software Engineer, AI Systems
ReClick.io —Brooklyn, NY
- $150,000 - $210,000 a year
- Full-time
- 6 years
- Office
- APIs
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Principal Test Engineer (SDET)
Navy Federal Credit Union —Vienna, VA
- $110,500 - $141,600 a year
- Online Application
- Computer science
- Azure
- Computer Science
Principal Software Engineer (GUI) (26-260)
Northrop Grumman —Colorado Springs, CO
- $103,600 - $155,400 a year
- Overtime
- Computer Science
- System design
- 3 years
- Paid holidays
- Disability insurance
Principal or Sr. Principal Engineer Software (DEE)
Northrop Grumman —Melbourne, FL
- $98,400 - $184,200 a year
- Overtime
- Java
- Master's degree
- Machine learning
- Paid holidays
- Disability insurance
Principal Engineer
Thomson Reuters —Washington, DC
- $183,100 - $340,000 a year
- Full-time
- Hybrid work
- Computer Science
- Office
- Master's degree
- Commuter assistance
- Health savings account
Principal Software Front End Engineer
General Dynamics Information Technology —Los Angeles, CA
- $142,792 - $189,750 a year
- Remote
- 5 years
- Travel
- Mentoring
10d
Software Engineer/Principal Software Engineer - JAVA
Northrop Grumman —San Diego, CA
- $91,800 - $171,000 a year
- Overtime
- Mid-level
- Office
- Java
- Paid holidays
- Disability insurance
6d
Principal Software Engineer
REALTIME SOFTWARE SOLUTIONS LLC —Remote
- $160,000 - $165,000 a year
- Full-time
- Remote
- Computer Science
- HIPAA
- SQL
- Paid parental leave
- Paid holidays
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Principal Front-End Web Developer
Fortinet —Sunnyvale, CA
- $148,000 - $180,000 a year
- Full-time
- Computer Science
- 5 years
- Master's degree
- Paid holidays
- Disability insurance
Principal Software Engineer
HHAeXchange —Remote
- $165,000 - $180,000 a year
- Full-time
- Remote
- Computer science
- Computer Science
- 5 years
- Paid holidays
- Health insurance
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Principal Software Engineer, Platform
Vanta —Remote
- $321,000 - $378,000 a year
- Full-time
- Remote
- Mentoring
- Organizational skills
- Senior level
- Commuter assistance
- Paid parental leave
13d
Sr./Staff/Principal Software Engineer (Frontend/Fullstack)
Voltaiq —Remote
- $0 a year
- Full-time
- Remote
- Azure
- Computer Science
- Software troubleshooting
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Senior/Principal Python Web Engineer
Simple Thread —Glen Allen, VA
- Full-time
- Remote
- Computer science
- Azure
- Computer Science
- Health insurance
- Dental insurance
Software Developer Principal
General Dynamics Information Technology —Raleigh, NC
- $123,250 - $166,750 a year
- Hybrid work
- Computer science
- Azure
- Computer Science
- Paid time off
- 401(k) matching
Principal Engineer
Fluxx —Remote
- $147,600 - $210,000 a year
- Full-time
- Remote
- Computer Science
- System design
- Java
- Paid parental leave
- Health insurance
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Principal GIS Developer
TekSynap —New Orleans, LA
- Weekends as needed
- Pass drug screening
- Office
- Java
- Disability insurance
- Health insurance
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Software Engineer V - Principal Engineer $120,000- $160,000 DOE - Remote
ELM Utility Services —Missoula, MT
- $120,000 - $160,000 a year
- Full-time
- Remote
- Computer science
- Azure
- Computer Science
- Paid holidays
- Health insurance
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11d

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Principal Web Developer (Rails)

Superconductor -
El Cerrito, CA

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Job Details

Full-time

Benefits

Health insurance
Paid time off
Parental leave

Qualifications

Ruby on Rails

Full Job Description

About Superconductor

Superconductor is building the autonomous software organization — a platform where agents don't wait for instructions, but find work everywhere: in customer emails, bug reports, session replays, Slack threads, X posts, etc. Agents that work while you sleep.

We're a team of 7, backed by $7M in funding, and we intend to stay below ~25 humans hopefully forever. That means every hire matters enormously, and we compensate accordingly with highly competitive salary and equity.

We have been building software together for over a decade. We formerly co-founded Gradescope, an AI-powered education grading platform used by millions of students worldwide. Previously, we were AI PhD students at UC Berkeley. All in all, we are four developers, one designer, and two generalist operators, and we all wear multiple hats every day.

Our Values

Customer obsession. We see every customer interaction — every support email, every bug report, every piece of feedback — as a chance to earn trust and build something better. Customer communication is our differentiator, not overhead.
Speed with stability. We move fast, but we do not break things. We know that if something breaks, we're the ones fixing it — sometimes at night. We'd rather invest in getting it right the first time.
Living in the future. We use Superconductor to build Superconductor. We adopt our own tools before anyone else and push them until they break. If something feels like the old way of building software, we question it.
Small team, high standards. Every person on the team has outsized impact, outsized ownership, and outsized responsibility.

Working at Superconductor

Hybrid from our East Bay office: 3 days in our easily BART-accessible office, 2 days from home.
However, our agents work 24/7, and there's real value in having humans cover the night shift. If you are an exceptional candidate, please apply even if you're not in the Bay Area.
Compensation: Highly competitive salary and meaningful equity — we're a small team that plans to stay small.
Benefits: Flexible PTO, parental leave, health insurance, employee-friendly equity terms, and premium equipment.
And of course, a practically unlimited token budget!

The Role

You are the architect, reviewer, and quality guardian for a fleet of AI coding agents. You define the patterns, enforce the standards, and review every meaningful change that ships. You are the last line of defense before code reaches production.

You'll work at the intersection of deep Rails expertise and AI-augmented development, directing agents the way a senior architect directs a team — except your team never sleeps and is as good as you make it.

A realistic goal: you will ship more quality code to production in your first month than you did in all of 2025.

What You'll Do

Review code produced by AI agents for correctness, maintainability, security, and adherence to our standards
Define and evolve the application architecture, module boundaries, and system design principles that agents follow
Write architectural decision records, coding standards, and agent instructions that shape how code gets generated
See customer feedback flow directly into agent-generated tickets and code — and make sure that code is worthy of the customer who asked for it
Jump into production when things break — you've been the person on-call before and you know how to debug fast under pressure

You Are

A VERY senior Rails developer with 10+ years of experience (ideally 15+)
Someone who loves clean code, small methods, clear naming, single responsibility, etc
Experienced deploying, operating, and being on call for at least one medium-to-large Rails application in production
Comfortable with DevOps and debugging production incidents
Excited (not threatened) by the idea that AI writes the code and you shape the outcome

Bonus Points

Active contributor to the Rails community (conferences, gems, blog posts, open source)
Experience with React, Tailwind, Stimulus, Turbo, or Hotwire
A love of AI coding tools (Claude Code, Cursor, Copilot, etc.)

Quick Apply

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Principal Web Developer jobs

Principal Web Developer (Rails)

Principal Software Engineer

Principal Software Engineer

Principal Software Engineer, AI Systems

Principal Test Engineer (SDET)

Principal Software Engineer (GUI) (26-260)

Principal or Sr. Principal Engineer Software (DEE)

Principal Engineer

Principal Software Front End Engineer

Software Engineer/Principal Software Engineer - JAVA

Principal Software Engineer

Principal Front-End Web Developer

Principal Software Engineer

Principal Software Engineer, Platform

Sr./Staff/Principal Software Engineer (Frontend/Fullstack)

Senior/Principal Python Web Engineer

Software Developer Principal

Principal Engineer

Principal GIS Developer

Software Engineer V - Principal Engineer $120,000- $160,000 DOE - Remote

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