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Staff/Senior Software Engineer

Swift SolarSan Carlos, California, United StatesData
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Salary
$150K - $220K
Job type
Full-time
Experience
Senior · 5+ yrs
Posted
9 Oct 2026
Status
Open · checked 7d ago

About this role

Based in San Carlos, California, this full-time Senior Software Engineer position at Swift Solar involves building artificial intelligence products to accelerate next-generation solar technology development. This role suits an experienced engineer who wants to apply software expertise to clean energy research.

Role Overview

Swift Solar is hiring a full-time Senior Software Engineer based at company headquarters in San Carlos, California, with some remote flexibility. The position centers on creating artificial intelligence tools that help scientists choose and execute experiments faster. The selected candidate will shape how automated systems read scientific literature, query manufacturing data, and propose new research paths.

Key Responsibilities

Lead the creation of the planning and reasoning layer using multi-agent systems to guide research objectives.
Build full-stack web applications with Python backends and TypeScript or JavaScript frontends.
Review and critique AI-written code, ensuring high standards for documentation and testing.
Support existing data systems, including instrument data pipelines.
Mentor new engineers and review code across the team.
Publish findings in public whitepapers and present work at conferences.

Requirements

Five or more years of professional software engineering experience involving systems relied on by real users.
Background building full-stack web applications utilizing Python and TypeScript or JavaScript frameworks like React, Vue, or Svelte.
Experience developing applications on frontier large language model APIs, such as multi-step orchestration or agent systems.
Daily use of artificial intelligence coding tools with the ability to identify incorrect output.
A computer science degree or a comparable portfolio of open-source work.
Comfort working with git in a shared codebase.

Nice to Have

Background in multi-agent systems, ranking, review, or memory between runs.
Experience creating evaluations or benchmarks for large language model agents.
Familiarity with Bayesian optimization, surrogate models, fine-tuning open-weights models, or reinforcement learning.
Knowledge of SQL, database administration, cloud platforms like AWS, Azure, or GCP, or CI/CD pipelines.
Previous startup experience.

Skills and Tools

Python
TypeScript
JavaScript
React
Vue
Svelte
LangGraph
Claude Code
SQL
AWS
Azure
GCP

Salary and Benefits

Expected annual salary range between $150,000 and $200,000.
Competitive package including salary, equity, and benefits.
Coverage of 100 percent of monthly premiums for HMO or PPO group healthcare options.
Coverage of 75 percent of dental and vision insurance premiums.
Four hundred one (k) matching and clean commuter benefits.
Support for attending professional conferences and taking online courses.

About the Company

Swift Solar focuses on unlocking the potential of solar energy through perovskite-silicon tandem technology. The organization designs, manufactures, and scales clean energy solutions within the United States. Backed by investors, the company combines materials science and modern software development to address global energy challenges.

How to Apply

To apply for this position, please visit the official Swift Solar careers page and submit your application materials directly through their portal.

Skills and tech stack

PythonTypeScriptJavaScriptReactVueSvelteLangGraphClaude CodeSQLAWSAzureGCPLLMLLMsReinforcement LearningFine-tuning

Questions candidates ask

Where is this job located?

The role is based at Swift Solar headquarters in San Carlos, California, with some remote days possible.

What is the salary range for this role?

The expected annual pay range is between $150,000 and $200,000, complemented by equity and benefits.

How many years of experience are required?

Candidates must have 5 or more years of professional software engineering experience.

What technology stack is used?

The stack includes Python, TypeScript, JavaScript, front-end frameworks like React, Vue, or Svelte, frontier LLM APIs, and AI coding tools.

What benefits are provided?

Swift Solar covers 100 percent of group healthcare premiums, 75 percent of dental and vision premiums, and offers 401(k) matching, commuter benefits, and equity.

Ready to apply?

The application is on the official Swift Solar careers page.

Apply on company site