# Senior Software Engineer - Full Stack, Technical Lead

**Company:** [Baton](https://hotfix.jobs/companies/baton)
**Location:** San Francisco, CA
**Role:** Fullstack Engineering
**Salary:** $200k – $250k/yr
**Experience:** 5+ years
**Skills:** Python, React, TypeScript, GraphQL, FastAPI, Postgres, AWS, Full-Stack Development, Web Application Architecture, Backend Services
**Posted:** 2026-06-23

> Senior full-stack engineer and technical lead responsible for planning and delivering complex projects, building scalable Python/React applications, mentoring junior engineers, and driving technical decisions in a hybrid San Francisco office.

## Job Description

## Responsibilities
- Plan and execute project milestones, identifying and mitigating risks and swiftly resolving issues as they arise to deliver high-quality work
- Develop backend application layers and data models, ensuring robust functionality, security, and scalability. Current tech stack includes Python 3, GraphQL, and FastAPI
- Build and maintain frontend interfaces using React and TypeScript, ensuring an exceptional user experience and high performance across all platforms
- Collaborate with cross-functional teams to understand end-user requirements, create effective project plans, and deliver effective technical solutions
- Mentor and provide feedback to junior team members to promote continuous learning and improvement
- Continually stay up-to-date with industry trends and technologies to ensure our technology stack remains current and competitive

## Requirements
- 5+ years of full-stack software development experience with web application architecture and design patterns for complex enterprise applications
- Advanced proficiency in Python with a track record of building intuitive, responsive, and fast web interfaces
- Proven experience leading complex technical projects, involving multiple engineers and/or dependencies on other teams
- Experience in managing complex backend services & infrastructure in high-growth environments
- Familiarity with web development best practices, and demonstrated ability to discuss engineering and product tradeoffs
- Proficiency with frontend languages and technologies such as Typescript and React

## Nice-to-Haves
- Bachelor’s or Master’s Degree in Computer Science, Engineering, or a related technical field
- Experience working with AWS or similar cloud-based services
- Experience refactoring and migrating legacy systems
- Strong foundation in first principles thinking to drive problem-solving and innovation

## Compensation & Benefits
- Competitive Base Salary + Cash Bonus Structure
- Annual Company Bonus + Long Term Incentive Plan
- 401k with Matching
- Hybrid Work Schedule
- Medical, Dental, and Vision Health Coverage
- Employee Stock Purchase Program (15% discount to market value)
- Compensation Range: The annual base salary range for this position is $200,000 - $250,000. Compensation will vary based on factors including skill level, proficiencies, transferable knowledge, and experience. In addition to base salary, full-time employees are eligible for an annual performance bonus.

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