Full-Stack Engineer - APIs, Performance & Impact

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

Job summary

Jobtailor in San Francisco is seeking a talented full‑stack engineer to design, build, and maintain complex software systems. You will collaborate with product managers, engineers, and stakeholders to ship features and improve APIs, performance, and reliability.

The role requires hands‑on experience with JavaScript/TypeScript, Node, Python, React, and modern frontend tooling. You will contribute to secure, scalable systems and participate in code reviews, testing, and architectural discussions.

Qualifications

• 2-5 years of relevant experience in a software engineering role.
• Full stack engineering experience in JavaScript, TypeScript, Node or Python
• Experienced with software engineering best practices – design patterns, code reviews, unit and integration testing, etc.
• Ability to communicate technical specifications both verbally and written
• Understanding of security, common attacks and defenses
• Experience shipping features behind an A/B testing or feature flag platform, such as Optimizely
• Command over front‑end web technologies such as HTML, CSS and React
• Knowledge of build systems configurations and setup - such as Webpack
• Experience working with third‑party lifecycle communication infrastructure, including platforms like Iterable, Twilio, Salesforce, and Regal, to orchestrate multi‑channel customer engagement
• Solid CS fundamentals – including data structures and algorithms
• Experience with infrastructure, distributed systems, and deploying apps into a high‑scale environment with integrated logging and monitoring technologies.

Responsibilities

• Design, build and maintain complex fullstack systems
• Collaborate with other engineers, PMs and non-technical stakeholders to develop and ship features
• Design, build, and maintain our APIs
• Find and solve performance issues
• Participate in code reviews
• Communicate best practices to the team
• Write engineering requirements documents

Skills

Full stack JS

TypeScript

Node.js

Python

APIs

Code reviews

Testing

Security awareness

AB testing

HTML

CSS

React

Webpack

Logging/Monitoring

Distributed systems

CS fundamentals

Tools

Iterable

Twilio

Salesforce

Regal

Job description

Jobtailor in San Francisco is seeking a talented full‑stack engineer to design, build, and maintain complex software systems. You will collaborate with product managers, engineers, and stakeholders to ship features and improve APIs, performance, and reliability.

The role requires hands‑on experience with JavaScript/TypeScript, Node, Python, React, and modern frontend tooling. You will contribute to secure, scalable systems and participate in code reviews, testing, and architectural discussions.