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Closed on July 13, 2026.

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Vast LLC

Staff Software Engineer

Vast LLC
San Juan, PR $160k - $180k/yr Full time Posted 2mo ago
Backend Developer Senior API APIs Azure Cloud Operations Data Architecture DevOps Engineering Frontend Full Stack JavaScript Laravel Software Development Software Engineering Tailwind Team Lead TypeScript Vue.js
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Job Description

Vast LLC is building AI-enabled workflows and seeks a Staff Software Engineer to join as a founding member of the engineering team. This onsite role in San Juan, PR places you at the heart of shaping the technical direction, contributing hands-on across the stack, and partnering with leadership to build interfaces from the ground up. You will help define the architecture and drive scalable solutions that empower rapid growth.

Responsibilities

  • System Architecture & Design: Define and evolve the technical architecture across the stack, including frontend, backend, APIs, data, and cloud infrastructure.
  • Technical Leadership: Establish coding standards, architectural patterns, and engineering best practices for the team.
  • Team Management: Elevate the engineering team through mentorship, code reviews, knowledge sharing, and constructive feedback.
  • Scalability & Performance: Design and maintain systems that scale reliably as the company grows.
  • Hands-On Development: Lead by example with high-quality code contributions across the stack.
  • Cross-Functional Collaboration: Align with Product, Design, and Business stakeholders to realize a shared technical vision and seamless experiences.
  • Technology Evaluation: Research and recommend new tools, frameworks, and best practices to stay ahead of the curve.

Requirements

  • Experience: 5+ years in full-stack development, with 2+ years in a startup environment driving 0→1 product efforts.
  • Technical Skills: Deep expertise in front-end and back-end frameworks, including Vue, TypeScript, Tailwind, and Laravel/PHP, among others.
  • Cloud & DevOps: Strong knowledge of cloud infrastructure and DevOps practices (AWS, Forge, or Azure).
  • Architecture & Security: Proven track record designing scalable, secure, and maintainable systems.
  • Strategy & Collaboration: Ability to balance hands-on engineering with high-level architectural planning and cross-team communication.
  • Communication: Excellent written and verbal communication and a collaborative mindset.

Technologies

  • Vue
  • TypeScript
  • Tailwind
  • Laravel/PHP
  • AWS
  • Forge
  • Azure

Compensation

Salary: USD 160,000 - 180,000 per year.

Benefits

  • Competitive base salary with performance-based bonuses
  • Opportunity to work at a fast-growing, technology-forward company
  • Ability to influence go-to-market strategies and overall company growth

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