Founding Software Engineer
San Francisco
- Salary
- $200,000 - $250,000 annually
- Level
- Mid
- Work type
- On-site · San Francisco
- Visa
- Sponsors visas
Open. First seen 31 October 2026.
About the role
About the Role
Join an early-stage team building AI-powered software for enterprise procurement and supply chains. As a founding engineer, you will help shape the product and engineering direction while tackling complex data challenges that can improve how large organizations manage supplier spend.
What You'll Do
- Build and ship full-stack product features end to end as a core member of the founding engineering team.
- Develop systems that reconcile negotiated supplier terms with purchasing and invoice data across large, inconsistent datasets.
- Make product and technical decisions that guide the company's early direction.
- Work directly with enterprise customers to understand their challenges and deliver useful solutions.
- Contribute to AI and LLM systems that help identify discrepancies and generate savings.
What We're Looking For
- Two to eight years of full-stack software engineering experience, with backend or full-stack product engineering experience.
- A record of shipping end-to-end products, ideally for B2B customers or enterprise users.
- Experience with Python, TypeScript, React, and modern full-stack development.
- Familiarity with LLM systems, evaluation methods, or related frameworks is useful.
- Strong customer communication skills and interest in building an early-stage product from the ground up.
Compensation & Benefits
Base salary is $200,000 to $250,000 annually. Visa sponsorship is available.
Location
On-site in San Francisco, California, United States.
What this role asks for
Standard for software engineering roles
Python
Common in software engineering postings at any company.
Compared with True Talent Solutions Partners's other open jobs.
The team: Client Roles
This role is one of 127 open in Client Roles. 127 were posted in the last 30 days, including 6 lead roles: the team is hiring the people who run it too.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
Python (71 of 127), TypeScript (46 of 127), LLM (44 of 127), React (38 of 127), Machine Learning (33 of 127), AWS (29 of 127), JavaScript (26 of 127)
OTHER ROLES ON THIS TEAM
- Member of Technical Staff, Research Engineering posted Oct 31
- Founding Product Engineer posted Oct 31
- AI-Native Electrical Engineer posted Oct 31
- Senior Full Stack Engineer posted Oct 31
- Head of RF Engineering posted Oct 31
- Member of Technical Staff posted Oct 31
- Founding Engineer posted Oct 31
- Forward Deployed Product Manager posted Oct 31
- Founding Senior Engineer posted Oct 31
- Lead Product Engineer posted Oct 31
- Product Lead posted Oct 31
- Software Engineer, Security posted Oct 31
- Senior Software Engineer, Customer Studio Backend posted Oct 31
- Technical Product Manager posted Oct 31
- Senior Software Engineer, Distributed Systems (Core) posted Oct 31
- Founding Product Designer posted Oct 31
- Electrical Engineer posted Oct 31
- Product Engineer, Scrape posted Oct 31
- Solutions Engineer posted Oct 31
- Product Engineer posted Oct 31
- Senior Security Engineer posted Oct 31
- Staff Product Manager posted Oct 31
- Senior Software Engineer posted Oct 31
- Member of Technical Staff, Applied Researcher posted Oct 31
- Member of Technical Staff, AI Agents posted Oct 31
- Principal Software Engineer, Perception posted Oct 31
- Senior/Staff Product Engineer, Applied AI posted Oct 30
- Lead Platform Engineer posted Oct 30
- Backend Infrastructure Engineer, Anti-Bot posted Oct 30
- Software Engineer, C++ Systems posted Oct 30
- Lead Software Engineer, Platform posted Oct 30
- Technical Product Manager posted Oct 30
- Software Engineer posted Oct 30
- Senior Control Electronics Engineer posted Oct 30
- Principal Analog/Mixed Signal Engineer posted Oct 30
- Founding Product Engineer posted Oct 30
- Fullstack Software Engineer posted Oct 30
- Frontend Engineer posted Oct 30
- Founding ML Researcher posted Oct 30
- Founding Forward Deployed Engineer posted Oct 30
- Forward Deployed Engineer posted Oct 30
- Founding AI Engineer posted Oct 30
- Senior Platform Engineer posted Oct 30
- Member of Technical Staff, Compiler posted Oct 30
- Founding Engineer posted Oct 30
- AI Scheduler posted Oct 30
- Product Manager, Supply Chain posted Oct 30
- Founding Full-Stack Engineer posted Oct 30
- Product Engineer, Mid-Senior posted Oct 30
- Founding Forward Deployed Engineer posted Oct 30
- Product Manager, Product Growth posted Oct 30
- Founding Engineer posted Oct 30
- Software Engineer, iOS posted Oct 30
- Electrical & Computer Engineer posted Oct 30
- Founding Backend Software Engineer posted Oct 30
- Senior Full Stack Software Engineer posted Oct 30
- Senior Forward Deployed Engineer, Operate posted Oct 30
- Founding AI Agent Engineer posted Oct 30
- Data Engineer, Data Product posted Oct 30
- Mid/Senior Full Stack AI Engineer posted Oct 30
- Engineering Lead posted Oct 30
- Director of Engineering, Product posted Oct 30
- Robotics Software Engineer posted Oct 30
- Senior Product Manager, Staffing and AI Agents posted Oct 30
- Founding Product Engineer posted Oct 30
- Member of Technical Staff, ML Systems posted Oct 30
- Research Engineer, Evals posted Oct 30
- Software Engineer posted Oct 30
- Senior Solutions Engineer, Digital Native and Mid-Market posted Oct 30
- Staff Software Engineer, Infrastructure posted Oct 30
- Senior Software Engineer, Design posted Oct 30
- Member of Technical Staff, Full Stack posted Oct 30
- Mechanical Design Engineer posted Oct 30
- Senior/Staff Software Engineer posted Oct 30
- Forward Deployed Engineer, Infrastructure posted Oct 30
- Founding Member of Technical Staff, Markets posted Oct 30
- Software Engineer, Full Stack posted Oct 29
- Senior Software Engineer, Core Systems posted Oct 29
- Founding Full-Stack Engineer posted Oct 29
- Software Engineer posted Oct 29
- Founding Research Engineer, Robot Learning posted Oct 29
- Machine Learning Infrastructure Engineer posted Oct 29
- Senior Platform Security Engineer posted Oct 29
- Software Engineer, Mid-Level to Staff+ posted Oct 29
- Senior Security Engineer posted Oct 29
- Head of Software Architecture, Embodied AI Platform posted Oct 29
- AI Solutions Consultant posted Oct 29
- Agent Deployment Engineer posted Oct 29
- Lead AI Engineer posted Oct 29
- Member of Technical Staff, Applied ML posted Oct 29
- Founding Engineer posted Oct 29
- Agent Product Engineer posted Oct 29
- Forward Deployed Engineer posted Oct 29
- Product Engineer, AI posted Oct 29
- Senior Software Engineer, Backend posted Oct 29
- Sales Engineer posted Oct 29
- Forward Deployed Engineer posted Oct 29
- Founding Engineer, Applied AI posted Oct 29
- Forward Deployed Engineer posted Oct 29
- Founding Forward Deployed Engineer posted Oct 29
- Machine Learning Engineer posted Oct 28
- Forward Deployed Engineer posted Oct 28
- Founding Product Engineer posted Oct 28
- Senior Product Manager posted Oct 28
- Member of Technical Staff, Agent Platform posted Oct 28
- Software Engineer, Infrastructure posted Oct 28
- Forward Deployed Software Engineer, Tactical Edge posted Oct 28
- Software Engineer, RL Environments posted Oct 28
- Founding Backend & Infrastructure Engineer posted Oct 28
- Founding Reinforcement Learning Engineer posted Oct 28
- Senior Quantitative Developer posted Oct 28
- Founding Forward Deployed Engineer posted Oct 28
- Senior Engineering Manager posted Oct 28
- Full-Stack Software Engineer posted Oct 28
- Agent Deployment Engineer posted Oct 28
- Engineering Manager, Agents posted Oct 28
- Founding Fullstack Engineer posted Oct 28
- Lead Platform Engineer posted Oct 28
- Founding Product Designer posted Oct 28
- Founding PLM Solutions Engineer posted Oct 27
- Forward Deployed Engineer posted Oct 27
- Software Engineer posted Oct 27
- Design Engineer posted Oct 27
- Research Crawling Engineer posted Oct 27
- Senior/Staff Software Engineer posted Oct 27
- Software Engineer, AI Agents posted Oct 24
From the team and dates on True Talent Solutions Partners's own job board.
Posting history
Reposted once since 27 October 2026: a posting for this role in San Francisco was taken down and the role was posted again.
- 31 October 2026 – open (this posting)
- 30 October 2026 – closed 31 October 2026
- 27 October 2026 – closed 30 October 2026
Salary context
30 other open postings titled Founding Software Engineer state a salary: median USD 150,000 to USD 250,000 a year.
See Software Engineer salaries in San Francisco →
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