Full Stack Engineer (Ruby On Rails)
Sierra Studio
- Remote · Brazil
- Remote
- Mid Level
- Posted
Responsibilities
- Build a modern SaaS platform to help CPG brands and manufacturers manage lab testing and compliance
- Play a critical role from the start, working alongside the founding engineer and customers to build and refine the platform
- Leverage your expertise in systems architecture to evaluate technical trade-offs and make informed decisions
- Implement security best practices to safeguard data and application integrity
Requirements
- Excellent communication and interpersonal skills, capable of seeing the big picture and solving problems autonomously
- Previous experience in a developer role in high growth startups
Role Overview
As an early software engineer, you will be instrumental in building out the software platform to manage all lab testing. You'll have agency to design and implement a modern software platform to help some of the world's most impactful brands manage lab testing and compliance.
Requirements
- Experienced full stack engineer (4+ YOE) with strong proficiency in Ruby on Rails, React, Tailwind CSS, and PostgreSQL
- Bias to action - this is early stage 0 to 1 execution
- Bonus points if you're comfortable with UI/UX best practices and working closely with design teams
- Mission alignment is critical: looking for folks who are excited about bringing transparency to our food system
Values
First Principles
- Looking for team members who can deal with ambiguity, deconstruct problems, and build the optimal solution
- Question every requirement → Delete any part or process you can → Simplify and optimize → Accelerate cycle time → Automate
Standard of Excellence
- High standards are contagious. A+ talent attracts A+ talent
- There's a glut of mediocrity in the world. They're chasing after the products and people that strive for excellence
Bias for Action
- Take initiative, make decisions quickly, and have a willingness to experiment and learn from failures
- Customer expectations are not static. They rise over time, which means we have to continuously improve every single day
Low Ego
- Coachability; it's not about being right, it's about getting to the right answer
- Reacts calmly to criticism or negative feedback, and has a "feedback is an opportunity for information and improvement" mindset
- Respectfully challenges decisions when you disagree, even when doing so is uncomfortable. Once a decision is made, even if you still disagree, commit wholly and move forward
- Salaray Range
60-110K USD annually
To make sure it's a great fit, every new hire at this company starts with a paid 3–4 week trial focused on a clearly scoped, high-impact project (part-time). As a senior engineer, you'll jump right into meaningful, self-directed work—taking ownership over architecture decisions, implementing critical features, and helping shape the product from the outset. You'll have dedicated check-ins to receive feedback, discuss progress, and align expectations. This hands-on trial helps both of us confidently assess whether there's strong alignment on technical approach, autonomy, and long-term fit.
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