Full-Stack Software Engineer — AI Data Platform (SF)

Cacheflow; San Francisco (CA); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Equity

401(k) match

Parental leave

Mental health support

Wellness stipend

Learning stipend

Remote & Office stipend

Flexible PTO

Holidays + 2 flex days

Team outings

Referral bonuses

Job summary

Handshake is seeking a Software Engineer II to own meaningful pieces of our core product—building systems that power how millions discover opportunities, connect with employers, and launch careers. You’ll work with product managers, designers, and senior engineers to ship full-stack experiences that are reliable, scalable, and user-obsessed.

This role emphasizes ownership beyond tickets, collaboration across teams, and contributing to architecture while delivering high-quality code and polished

Qualifications

• 1-5 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.
• Comfortable navigating ambiguity and making sound tradeoffs in a fast-paced environment.

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

Tools

React

Next.js

GraphQL

Ruby on Rails

PostgreSQL

Job description

Handshake is seeking a Software Engineer II to own meaningful pieces of our core product—building systems that power how millions discover opportunities, connect with employers, and launch careers. You’ll work with product managers, designers, and senior engineers to ship full-stack experiences that are reliable, scalable, and user-obsessed.

This role emphasizes ownership beyond tickets, collaboration across teams, and contributing to architecture while delivering high-quality code and polished