Full Stack Software Engineer
Company: Lionheart Ventures
Location: Berkeley
Posted on: April 7, 2025
Job Description:
Twelve is a new kind of chemical company built for the climate
era. Our breakthrough technology eliminates emissions by turning
CO2 into essential products. We are a team of scientists, engineers
and problem solvers on a mission to fundamentally shift the way the
world addresses climate change and lead the transition to a fossil
free future with our carbon transformation technology.Twelve is
seeking a Full Stack Software Engineer to join our Software
Engineering Team. You will develop cloud-based software to help us
accelerate manufacturing and continuous improvement of our core CO2
conversion technology.This is a role based in Berkeley, CA with
flexibility to work remotely several days per week.What you will
do
- Take ownership of delivering key projects including APIs that
receive data from autonomous manufacturing robots, and UIs used
daily by technicians and scientists.
- Work at all levels of the stack to accomplish your mission-
including front-end (Vue.js, Apollo Client, Storybook) and back-end
(Node.js, PostgreSQL, GraphQL, GCP).
- Architect reliable software, craft reusable code, and create
tests to ensure correct operation.
- Engage in code review with teammates, and help up-level each
other's skills.
- Work from our headquarters 1-2 days per week to collaborate
with scientists and engineers, and trial new software features in
manufacturing flows.Who you are
- You have 3+ years of experience shipping code.
- You enjoy taking ownership and have made meaningful
contributions to a project from concept to successful
delivery.
- You've built complex web-apps with Vue.js, React, or a similar
front-end framework.
- You've designed and built back-end APIs, and have experience
with Node.js.
- You understand relational database design best practices, and
can write performant SQL queries, and safe data migrations.
- You're a team player who excels in a collaborative
environment.Twelve Benefits
- Medical, dental, and vision coverage.
- Paid sick days and vacation.
- Competitive salary and equity compensation commensurate with
experience.
- Diverse and inclusive work environment.At Twelve, it's
important each employee is compensated competitively and fairly. In
alignment with state legal requirements, Twelve conducts exhaustive
research to understand compensation markets. A range for the
included position is listed below. Be advised, actual offer details
are determined by job category, job location, and candidate skill
level.United States Wage Range: $160,000 - $200,000Please note that
some pay bands may have wide ranges of compensation to accommodate
candidate's diverse sets of skill levels.We believe that the unique
contributions of each individual is the driver of our success. To
make sure that our products and culture continue to incorporate
everyone's perspectives and experience we never discriminate on the
basis of race, religion, national origin, gender identity or
expression, sexual orientation, age, or marital, veteran, or
disability status.Want to work with us but don't see a current
opening that fits your background? Submit a general application for
or email us at for further inquiries.-Twelve is committed to the
full inclusion of all qualified applicants, and complies with
federal and state disability laws. As part of this commitment,
Twelve will ensure that persons with disabilities are provided
reasonable accommodations for the hiring process. If reasonable
accommodation is needed to participate in the job application or
interview process, please contact our Talent team by email at .
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Keywords: Lionheart Ventures, Sacramento , Full Stack Software Engineer, IT / Software / Systems , Berkeley, California
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