Software Engineer
Company websitealljoined.com (Alljoined, opens in new tab)
Base salary $140K to $200K
Employer-published annual base salary, USD. Advertised base range in San Francisco, CA
You apply on the employer's own site. Six Figure Work does not handle applications.
- LocationSan Francisco, CA
- WorkplaceOn-site
- Status at last checkSource accepting applications when checked
- Last checked (2 h ago) · observed since
About this job
About Alljoined
Alljoined is creating a future where humans are fully understood and augmented by technology. Our work solves the communication bottleneck between humans and computers by decoding thoughts from the brain, entirely non-invasively. We apply deep learning research to large scale EEG datasets to decode multimedia input, eventually moving to internal thought. We are state-of-the art in capabilities and are fully vertically integrated. Our goal is to develop a general consumer interface to completely transform how we can live our lives.
We are actively growing our founding engineering team to build the underlying infrastructure that makes this ambitious future a reality.
About the Role
As a Software Engineer, you will build the infrastructure that allows us to do high quality and fast research. You'll be owning and developing pipelines that process massive EEG datasets and writing the infrastructure that powers our physical experiments and data analysis. You will be powering work allowing for neural decoding technology while working alongside world-class researchers pushing the boundaries of what's possible in brain-computer interfaces.
You might be a good fit if you
Have 5+ years of production software engineering experience with deep expertise in Python and systems-level architecture.
Have built and maintained high-performance data pipelines for processing and storing massive datasets.
Are comfortable building the infrastructure and front-end tools required to visualize experimental stimuli in real-time.
Have a background in managing entire software stacks, cloud infrastructure, and dependency management.
Are capable of working across the full stack to debug low-level system performance issues or architect new foundational services.
Enjoy owning the entire technical lifecycle of a project, from initial design to production deployment and maintenance.
Strong candidates may have
Experience developing internal libraries, SDKs, or tooling that powers machine learning and computational neuroscience workflows.
Built core Python infrastructure like interpreters, package ecosystems, typing tools, or maintained widely-used open-source Python developer tools with significant adoption
Expertise in Python performance optimization, including experience with Cython, profiling tools, or optimizing Python runtimes
Compensation Range
$140,000 - $200,000/year
Competitive equity compensation at a seed stage startup
While this represents our expected range based on market data, final compensation will be determined based on your specific skills and experience and may be outside this range.
Benefits
Comprehensive health, vision, dental insurance
Options for housing support
Visa sponsorship
Unlimited PTO
3% 401k matching
Source: Alljoined on Ashby · View original posting (opens in new tab)
This listingSoftware Engineer$140K to $200K
Machine Learning Researcher$140K to $250K
Computational Neuroscientist$120K to $160K
Chart as a table
| Role | Published base |
|---|---|
| Software Engineer (this listing) | $140K - $200K |
| Machine Learning Researcher | $140K - $250K |
| Computational Neuroscientist | $120K - $160K |
Observed changes
- First observed on the employer's board
- Began meeting the published-salary criteria
- Observed since
- Employer-stated posting date
- 2026-01-30
Where this pay comes from
Location as the employer wrote it: San Francisco
USD 140,000 – 200,000 · 1 YEAR · Salary
- Method
- Structured pay field published by the employer
- Checked
- Rule set
- us-base-v2
The employer's job board publishes this pay as a dedicated data field. We read the field directly; no interpretation was needed.
What we verified
- The pay figures come from the employer's own listing, quoted exactly above.
- The pay is an annual base salary in US dollars with a minimum of at least $100,000.
- The role was publicly listed on the employer's job board when last checked.
We do not verify what the employer will actually offer, whether the employer is still recruiting for the role, or anything beyond what the employer published. Full methodology.