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Senior Full-Stack Engineer (Ruby on Rails & React) — Brazil

Job Overview

Location

Brazil

Job Type

Contract

Category

Full-Stack Engineer

Date Posted

April 1, 2026

Full Job Description

📋 Description

  • As a Senior Full-Stack Engineer at NextLink Labs, you will play a pivotal role in delivering high-quality, secure, and scalable web applications for clients across industries, directly contributing to their success through technical excellence and strategic thinking. Your work will bridge client needs with innovative solutions, helping organizations modernize legacy systems and build resilient digital products in a remote-first, collaborative environment.
  • You will architect and implement end-to-end features using Ruby on Rails and React, engage directly with clients to gather requirements and demonstrate progress, refactor legacy code to reduce technical debt, mentor junior engineers, contribute to internal best practices, and participate in agile ceremonies including weekly standups and code reviews. Additionally, you’ll support business growth by joining scoping calls with Sales and Marketing, creating technical documentation, and sharing expertise through thought leadership initiatives like blog posts and webinars.
  • NextLink Labs is a fast-growing, remote-first technology consulting firm dedicated to helping clients build, scale, and secure their software applications with integrity and innovation. The company fosters an inclusive, autonomous culture where engineers are empowered to take ownership, drive outcomes, and grow both technically and professionally while maintaining work-life harmony.
  • In this role, you will deepen your expertise in full-stack development, strengthen your client-facing and leadership abilities, and shape internal engineering standards through mentorship and documentation. You’ll have the opportunity to influence technical direction, contribute to thought leadership, and grow into a trusted advisor within a consulting environment that values clarity, craftsmanship, and continuous improvement.

🎯 Requirements

  • 5+ years of experience building web applications with strong proficiency in Ruby on Rails and React or equivalent frameworks
  • Ability to work independently, take ownership of software engagements, and scope features and full projects based on client requirements
  • Excellent written, verbal, and interpersonal skills to build client buy-in, facilitate compromise, and guide expectations effectively
  • Strong unit-testing and debugging abilities using RSpec/Minitest and Jest/RTL, plus proficiency with Git, REST/GraphQL APIs, PostgreSQL/MySQL, and background job systems like Sidekiq/Active Job
  • Understanding of accessibility, security compliance, and scalable application design principles

🏖️ Benefits

  • Competitive salary with bonus structure
  • Remote-first culture with flexible work schedule and autonomy to do your best work
  • Responsibility and autonomy at a growing company
  • Opportunity to build something big and exciting while contributing to internal best practices and thought leadership

Skills & Technologies

Ruby
React
Rails
PostgreSQL
MySQL
Frontend
Senior
Remote

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NextLink Labs LLC
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About NextLink Labs LLC

NextLink Labs is a Pittsburgh-based DevOps and software engineering consultancy founded in 2015. The company specializes in cloud architecture, Kubernetes, CI/CD automation, and security for enterprises adopting modern software delivery practices. It provides engineering staff augmentation, platform assessments, and hands-on training to accelerate digital transformation. Clients include Fortune 500 firms, healthcare organizations, and high-growth startups across North America. The firm emphasizes pragmatic, vendor-agnostic solutions and knowledge transfer to internal teams, enabling scalable, resilient infrastructure and faster release cycles.

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