Senior Full-Stack Engineer — Remote/Hybrid, Equity & Impact

Twenty80 llc; Boston (MA); Hybrid; USD 160,000 - 210,000; Full time

Benefits offered by this job

Medical, dental, vision coverage

Flexible PTO

Competitive equity package

Job summary

A growing technology startup is hiring a Senior Full Stack Software Engineer to build and scale its core product. You will maintain web applications, develop backend services, and contribute to frontend interfaces. The ideal candidate has 5+ years in software engineering, particularly with JavaScript and cloud environments, and will enjoy a hybrid or remote-friendly work model. Compensation includes a salary of $160k–$210k and competitive equity.

Qualifications

• 5+ years of professional software engineering experience.
• Strong full stack experience with modern JavaScript/TypeScript.
• Experience deploying applications in cloud environments.

Responsibilities

• Build and maintain full stack web applications used by customers.
• Develop scalable backend services and APIs for product features.
• Implement modern, responsive frontend interfaces.

Skills

Full stack experience with JavaScript/TypeScript

Building and maintaining backend services and APIs

Understanding of relational databases and data modeling

Independent ownership of projects

Working in fast-moving product teams

Tools

Git

Docker

AWS or GCP

Job description

A growing technology startup is hiring a Senior Full Stack Software Engineer to build and scale its core product. You will maintain web applications, develop backend services, and contribute to frontend interfaces. The ideal candidate has 5+ years in software engineering, particularly with JavaScript and cloud environments, and will enjoy a hybrid or remote-friendly work model. Compensation includes a salary of $160k–$210k and competitive equity.