Demo

Senior Software Engineer

Jackson James
Cambridge, MA Full Time
POSTED ON 4/17/2026
AVAILABLE BEFORE 5/16/2026

Senior Full Stack Engineer - Hybrid, Boston. $180k Equity

This is a strongly backed start-up organization that have an AI platform that help brands become accessible and meet regulatory standards.

The company works with a growing portfolio of modern digital brands that prioritise customer experience and responsible practices. Backed by top investors, it is currently in a high-growth phase.


This is a true opportunity to influence product direction.


The Role

As a Senior Full stack Engineer, the role involves joining a small, high-performing engineering team and working closely with technical leadership.

The primary focus is on developing and scaling the application, including strengthening AI-driven systems, enhancing customer-facing interfaces, and expanding platform integrations.


This position is well-suited to individuals interested in startup environments, offering exposure to early-stage scaling, system design, and product development. The role includes significant involvement in architectural decisions and mentorship of junior engineers.


Responsibilities

  • Design and build backend systems that support accessibility analysis and automated remediation workflows.
  • Develop and improve AI-driven systems/Agentic architecture
  • Architect infrastructure to support new product capabilities beyond core features.
  • Build and enhance customer-facing applications, delivering features across the full stack.
  • Monitor and improve system performance, scalability, and reliability.
  • Identify bottlenecks and improve observability across distributed systems.
  • Mentor junior engineers and contribute to engineering standards and best practices.


Who They’re Looking For

  • 5 years of professional software development experience.
  • Strong proficiency in TypeScript or JavaScript, with experience in typed systems.
  • Experience with relational databases (PostgreSQL preferred).
  • Experience with cloud infrastructure and containerised environments. (AWS Preferred)
  • Familiarity with browser automation or headless browser tools. (Playwright Preferred)


Nice to Have

  • Experience building applications within an eCommerce ecosystem.
  • Knowledge of web accessibility standards and compliance frameworks.
  • Terraform
  • Previous startup experience


Benefits

  • Unlimited PTO
  • Health, Medical, Dental
  • 401k match plan
  • Plus many more

Salary : $165,000 - $180,000

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