Principal Software Engineer
Smart Apply
Save
Salary
$290k – $440k per year
Location
Remote (United States, China, India, Germany, Japan, France, Russia, United Arab Emirates, United Kingdom, Argentina, Australia, Austria, Belarus, Belgium, Bosnia and Herzegovina, Brazil, Bulgaria, Canada, Colombia, Croatia, Cyprus, Czech Republic, Denmark, Egypt, Finland, Hungary, Indonesia, Ireland, Israel, Italy, Kazakhstan, Kenya, Kyrgyzstan, Malaysia, Mexico, Montenegro, Netherlands, New Zealand, Nigeria, Norway, Pakistan, Philippines, Poland, Romania, Saudi Arabia, Serbia, South Africa, South Korea, Spain, Sweden, Switzerland, Taiwan, Thailand, Turkey, Ukraine, Uzbekistan, Vietnam, Afghanistan, Albania, Algeria, American Samoa, Andorra, Angola, Anguilla, Armenia, Aruba, Azerbaijan, Bahamas, Bahrain, Bangladesh, Barbados, Belize, Benin, Bermuda, Bhutan, Bolivia, Botswana, British Virgin Islands, Brunei Darussalam, Burkina Faso, Burundi, Cambodia, Cameroon, Cape Verde, Cayman Islands, Chad, Chile, Central African Republic, Comoros, Cook Islands, Costa Rica, Cuba, Curaçao, Djibouti, Dominica, Dominican Republic, East Timor, Ecuador, El Salvador, Equatorial Guinea, Eritrea, Estonia, Eswatini, Ethiopia, Falkland Islands, Faroe Islands, Fiji, French Guiana, French Polynesia, Gabon, Gambia, Georgia, Ghana, Greece, Greenland, Grenada, Guadeloupe, Guam, Guatemala, Guinea, Guinea-Bissau, Guyana, Haiti, Honduras, Iceland, Iran, Iraq, Isle of Man, Jamaica, Jordan, Kiribati, Kosovo, Kuwait, Laos, Latvia, Lebanon, Lesotho, Liberia, Libya, Liechtenstein, Lithuania, Luxembourg, Madagascar, Malawi, Maldives, Mali, Malta, Marshall Islands, Martinique, Mauritania, Mauritius, Mayotte, Micronesia, Moldova, Monaco, Mongolia, Montserrat, Morocco, Mozambique, Namibia, Nauru, Nepal, New Caledonia, Nicaragua, Niger, Niue, Norfolk Island, North Korea, North Macedonia, Northern Mariana Islands, Oman, Palau, Panama, Papua New Guinea, Paraguay, Peru, Pitcairn Islands, Portugal, Puerto Rico, Qatar, Réunion, Rwanda, Samoa, San Marino, Senegal, Seychelles, Sierra Leone, Sint Maarten, Slovakia, Slovenia, Solomon Islands, Somalia, South Sudan, Sri Lanka, Sudan, Suriname, Syria, Tajikistan, Tanzania, Togo, Tokelau, Tonga, Tunisia, Turkmenistan, Tuvalu, Uganda, Uruguay, Vanuatu, Venezuela, Western Sahara, Yemen, Zambia, Zimbabwe, Singapore, Gibraltar)
Seniority
Principal · 10+ years exp
Employment
Contractor
Confirmed on the employer's own hiring board on Nov 5, 2026. First seen by Alion on Oct 4, 2026.
Overview
Company
Impact
Profile match
Alpheva AI provides expert LLM training data, human feedback, model evaluations, and agent environments grounded in real professional workflows.
Evaluate advanced AI-generated implementations, debugging strategies, architecture decisions, and technical explanations across production software systems.
Review code and designs for correctness, security, performance, maintainability, observability, and alignment with stated product constraints.
Identify subtle defects, unsafe assumptions, weak tests, unnecessary complexity, and recommendations that would fail under real production conditions.
Provide reference solutions and review comments that demonstrate staff- or principal-level technical judgment without overengineering.
Remote, project-based contract work. Scope and hours depend on project matching; the listed hourly range applies to matched work.
Responsibilities
- Evaluate advanced domain tasks and AI-generated responses for factual accuracy and professional judgment.
- Apply current standards, methods, and risk considerations from technology & computing.
- Document errors, edge cases, and the reasoning behind an ideal response.
- Collaborate asynchronously with Alpheva's research and evaluation teams.
Required Qualifications
- 10+ years of professional software engineering experience
- Staff, principal, architect, or equivalent technical-leadership scope
- Expert code-review judgment across correctness, security, performance, and maintainability
Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
2,125,651 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Free forever. No card. Under a minute.
Recommended for you based on this role
Backend
Similar stack
Same company
In your city
Lead Engineer, Member Growth
3 hours ago
$162k per year · Remote (United States, United Kingdom, Argentina, Brazil, Colombia) · Full-Time · 7+ years exp
TypeScript
Ruby
Ruby
Ruby on Rails
Databases
MySQL
PostgreSQL
ClickHouse
AI/ML
AI Agents
LLM
Analytics
A/B Testing
Management
Stripe
Apply
Remote (Ukraine) · Full-Time · Ukraine
JavaScript
TypeScript
Node JS
Node JS
Nest.JS
TypeORM
Databases
PostgreSQL
Redis
Frontend
Socket.IO
React.js
Mobile
React Native
DevOps
Terraform
GitHub Actions
WebSockets
CI/CD
Git
AWS
Docker
AWS Fargate
AWS Lambda
Amazon S3
Amazon ECS
Cybersecurity
HIPAA
Auth0
QA
Jest
Apply
Lead Backend Engineer
1 hour ago
Remote (India) · 5+ years exp · India
Go
Java
Java
Spring Boot
Databases
Apache Kafka
DevOps
GCP
Prometheus
CI/CD
AWS
Kubernetes
Grafana
Apply
Principal Rust Engineer
1 hour ago
Equity · Remote (Spain) · Spain
Python
Rust
Python
FastAPI
Asyncio
Pydantic
Rust
PyO3
Databases
PostgreSQL
NATS
Apache Kafka
AI/ML
Quantization
AI Agents
GraphRAG
Knowledge Graph
DevOps
GitHub Actions
Azure
CI/CD
Kubernetes
Amazon S3
Apply
$127k – $158k per year · Equity · Remote (Germany) · 8+ years exp · Germany
Python
Rust
AI/ML
AI Agents
Anthropic
DevOps
Loki
OpenTelemetry
Prometheus
Grafana
Mimir
Apply
This is one of many
2,125,651 more open roles from verified company boards, updated every day.