Senior Full-Stack Engineer, AI Data Platform

Handshake; San Francisco (CA); On-site; USD 130,000 - 185,000; Full time

Benefits offered by this job

Equity

401(k) match

Parental leave

Wellness stipend

Learning stipend

Remote & Office: SF office

Flexible PTO

Team outings

Job summary

Handshake is seeking a Software Engineer II in San Francisco. You will own features end-to-end across frontend and backend, building scalable full-stack systems that power core user journeys like search, discovery, matching, and onboarding.

You will ship backend APIs and frontend experiences with reliability and performance in mind. You will collaborate with product and design to translate ambiguous requirements into polished user experiences, contribute to architecture discussions, and

Qualifications

• 3–5 years of professional software engineering experience building full-stack applications.
• Strong proficiency in TypeScript across frontend and backend surfaces.
• Hands-on experience with modern web stacks (React, Next.js, GraphQL, Ruby on Rails).
• Solid command of relational databases (PostgreSQL) and thoughtful data modeling.
• Track record of owning features independently and driving them to completion.
• Strong communicator who collaborates well with product, design, and cross-functional partners.

Responsibilities

• Own features end-to-end across frontend and backend, from technical design through production and iteration
• Build scalable full-stack systems powering core user journeys—search, discovery, matching, and onboarding flows
• Ship backend APIs, async workflows, and frontend experiences with a high bar for reliability and performance
• Contribute meaningfully to architecture discussions, helping establish patterns the team can build on
• Write clean, well-tested, maintainable code and actively participate in code reviews
• Partner with product and design to translate ambiguous requirements into polished user experiences
• Identify and address technical debt, system reliability gaps, and performance bottlenecks proactively

Skills

TypeScript

Full-stack development

Strong communicator

Ownership of features

Ambiguity navigation

Tools

React

Next.js

GraphQL

Ruby on Rails

PostgreSQL

Job description

Handshake is seeking a Software Engineer II in San Francisco. You will own features end-to-end across frontend and backend, building scalable full-stack systems that power core user journeys like search, discovery, matching, and onboarding.

You will ship backend APIs and frontend experiences with reliability and performance in mind. You will collaborate with product and design to translate ambiguous requirements into polished user experiences, contribute to architecture discussions, and