Senior Full Stack Software Engineer

Socket.dev; San Francisco (CA); Hybrid; USD 210,000 - 240,000; Full time

Benefits offered by this job

Equity

Healthcare (medical, dental, vision)

401(k) with company match

Equipment stipend

Annual company off-site

Visa sponsorship

Job summary

Premier Global Links LLC in San Francisco, CA is seeking a Senior Full Stack Software Engineer to own architecture and deliver production-grade web applications across frontend, backend, and real-time systems.

You will work with React, TypeScript, and Python to build scalable features, collaborate with product and design, and drive from concept to deployment in a hybrid, startup-like environment.

Qualifications

• 4+ years of experience shipping production software across frontend and backend.
• Deep expertise in React and TypeScript.
• Strong experience with Python or comparable backend technologies.
• Experience building data-intensive web applications.
• Understanding of state management, performance, synchronization, and concurrent changes.
• Experience designing backend services, APIs, and data models.
• Experience taking products or major features from 0 to 1.
• Strong software architecture and system design skills.
• Bachelor's degree or higher, preferably in Computer Science or related field.
• Ability to independently research, prototype, and solve complex technical problems.

Responsibilities

• Build and ship product capabilities across frontend and backend systems.
• Develop scalable React and TypeScript applications for complex workflows.
• Build backend services, APIs, and data models using Python and modern technologies.
• Design application state management, synchronization, and real-time data flows.
• Build document editing, review, and collaboration experiences.
• Develop features that enable users to interact with and supervise AI-powered workflows.
• Design and implement real-time systems using WebSockets or SSE.
• Make architectural decisions as product usage and system complexity grow.
• Partner with Product, Design, and business teams to turn concepts into polished production software.
• Research unfamiliar technical problems, prototype solutions, and drive implementation independently.
• Improve application performance, reliability, and maintainability.

Skills

React

TypeScript

Python

0 to 1 development

Distributed systems

Education

Bachelor's degree or higher in CS or related field

Tools

WebSockets

SSE

APIs

CRDTs

Data modeling

Job description

About the Role

Premier Global Links LLC is seeking a Senior Full Stack Software Engineer to build sophisticated web applications across frontend, backend, and real-time systems.

This role is ideal for an experienced product engineer with strong React, TypeScript, and Python expertise who enjoys solving complex technical problems, owning architecture, and taking products from early concepts through reliable production systems.

Key Responsibilities

• Build and ship product capabilities across frontend and backend systems.
• Develop scalable React and TypeScript applications for complex workflows.
• Build backend services, APIs, and data models using Python and modern technologies.
• Design application state management, synchronization, and real-time data flows.
• Build document editing, review, and collaboration experiences.
• Develop features that enable users to interact with and supervise AI-powered workflows.
• Design and implement real-time systems using technologies such as WebSockets or SSE.
• Make architectural decisions as product usage and system complexity grow.
• Partner with Product, Design, and business teams to turn concepts into polished production software.
• Research unfamiliar technical problems, prototype solutions, and drive implementation independently.
• Improve application performance, reliability, and maintainability.

Required Qualifications

• 4+ years of experience shipping production software across frontend and backend.
• Deep expertise in React and TypeScript.
• Strong experience with Python or comparable backend technologies.
• Experience building sophisticated, data-intensive web applications.
• Strong understanding of state management, performance, synchronization, and concurrent changes.
• Experience designing and building backend services, APIs, and data models.
• Experience taking products or major features from 0 to 1.
• Strong software architecture and system design skills.
• Bachelor's degree or higher, preferably in Computer Science or a related field.
• Ability to independently research, prototype, and solve complex technical problems.

Preferred Qualifications

• Experience with collaborative applications, document editors, or workflow platforms.
• Experience with CRDTs, WebSockets, SSE, or other real-time technologies.
• Experience building AI-powered products or AI-assisted workflows.
• Understanding of asynchronous systems, including queues, events, retries, idempotency, and failure recovery.
• Experience working at a venture-backed startup or growth-stage technology company.
• Experience owning architecture as products scale in users and complexity.

Technology Environment

TypeScript | React | Python | APIs | WebSockets | SSE | CRDTs | Real-Time Systems | AI Applications | Data Modeling | Distributed Systems

Compensation & Benefits

• $200,000–$250,000 annual salary, based on experience and qualifications.
• Equity opportunity.
• Medical, dental, and vision benefits.
• 401(k) with company match.
• Equipment and office stipend.
• Annual company off-site.
• Visa sponsorship may be available for qualified candidates.

Work Arrangement

Hybrid – San Francisco, CA

This position is primarily based in San Franciscowith a hybrid work arrangement. Collaboration with a distributed team across San Francisco and New York is expected.

Equal Opportunity Employer

Premier Global Links LLC is an Equal Opportunity Employer. Qualified applicants are considered based on their skills, experience, education, and qualifications.