← Back to jobs

Remote job

Full Stack Engineer (Ruby On Rails)

Full Stack Part-time Permanent Brazil

Job details

Not specified Salary
Brazil Eligibility
Senior Experience
Part-time Employment

About this role

Role overview

A lab-testing platform serving consumer goods brands is hiring an early full stack engineer to help build the software that manages testing programs and regulatory compliance. This is a founding-stage, zero-to-one role where the engineer will work directly with customers and the founding engineer to shape architecture and product direction. The work centers on creating tools that let brands surface testing data, highlight ingredient quality, and stay compliant with evolving regulations.

Responsibilities

- Build a modern SaaS product that helps consumer goods brands and manufacturers run and manage lab testing and compliance workflows - Partner closely with the founding engineer and early customers to scope, design, and ship features from the ground up - Evaluate systems architecture trade-offs and make informed technical decisions that shape the platform's foundation - Apply security best practices to protect sensitive lab data and ensure application integrity - Contribute to a culture of high standards, rapid experimentation, and bias for action

Requirements

- 4+ years of professional full stack engineering experience - Strong proficiency in Ruby on Rails, React, Tailwind CSS, and PostgreSQL - Comfort with zero-to-one, early-stage execution where priorities evolve quickly - Excellent communication skills with the ability to work autonomously and see the big picture - Prior developer experience at a high-growth startup - Genuine enthusiasm for increasing transparency in the food and consumer goods system

Nice to have

- Familiarity with UI/UX best practices and experience collaborating closely with design teams

Benefits and work setup

- Compensation range of $60,000-$100,000 USD annually - Paid 3-4 week part-time trial focused on a clearly scoped, high-impact project before full commitment - Meaningful, self-directed work from day one with ownership over architecture decisions - Regular check-ins to align on progress and expectations during the trial period

Skills detected in the listing

ReactRubyPostgreSQL
Detected Sep 4, 2026
Last verified Sep 4, 2026

Hidden Jobs Access

Unlock application links

Read the full job details for free. An active Hidden Jobs Access subscription is required to open the original application link.

Weekly

FREE $6.99/week after trial
  • Original application links
  • Instant job alerts
  • Premium filters and CV matching
  • Cancel anytime before day 7

Monthly

$35.99 $17.99 /month
  • 35% cheaper than weekly
  • Original application links
  • Instant job alerts
  • Premium filters and CV matching

Lifetime

$99.99 $49.99 /forever
  • One-time payment
  • Original application links
  • Instant job alerts
  • Premium filters and CV matching
Hidden Jobs gives subscribers direct access to original application links
Offer ends in 00:00:00 Your profile-fit rate expires at midnight