When you join the Fountain team, you become part of the leading enterprise solution for frontline workforce management.
Fountain's automated, customizable platform provides a seamless applicant experience for workers, while ensuring organizations can scale and manage their frontline talent.
We've helped hundreds of companies like UPS, CLEAR, Stitch Fix, GoPuff, Fetch, and sweetgreen to hire, onboard, and manage over 14 million workers in more than 75 countries.
In ****, we closed $185M in our Series C, led by SoftBank and B Capital.
Join our growing team of highly collaborative, ambitious, and forward-thinking Fountaineers as we empower our hundreds of customers and millions of frontline workers around the world.
Let's elevate frontline work together.
As a Senior Software Engineer at Fountain, you will collaborate with a diverse team of engineers, designers, and product managers to create user-centered web applications that empower organizations to improve employee retention.
To succeed in this position, it is important to have a proven track record of working with rich enterprise products and possess strong problem solving skills, and a solid technical background in frontend/backend development, relational modeling, API interfaces, scalability, and architecture.
The Fountain Engineering team is organized into product squads, each responsible for independently owning the product's health and market fit.
The teams are the domain experts of their products, and are always looking to improve their operation.
We are a rapidly growing team that operates with agility and speed.
You will be expected to find creative solutions even when faced with uncertainty, and you will have the freedom to do so.
You will operate with autonomy on an established legacy codebase,



balancing speed with attention-to-detail.
Automated testing and product quality are paramount.
This role requires collaboration within a globally distributed organization, spanning different time zones, continents, and cultures (including Western and Northern Europe, USA, South Africa, Mexico, and more).
What you'll be doing:
Design, develop, test, and maintain product features and enhancements
Collaborating closely with product and design teams to bring features to life
Review and collaborate with other developers' work
Implement RESTful API endpoints, build new functionality in our Ruby on Rails backend codebase, build upon our PostgreSQL model.
Ensure the quality, reliability, operations, and security of all our products
Identifying and addressing performance bottlenecks and optimizing applications for maximum speed, scalability and ease of use.
Staying up-to-date with industry trends and continuously seeking opportunities to enhance the user experience.
What you should bring:
7+ years of experience in full stack software engineering
Proven experience in product-oriented software development.
Proficiency in modern technologies, including but not limited to:
Ruby on Rails, React, TypeScript, PostgreSQL (must have)
MongoDB, Express, TailwindCSS (nice to have)
Testing Suite - Jest, RSpec




Strong problem-solving skills and the ability to think critically about user interactions and system architecture.
Ability to work independently and confidently, even in dynamic situations and with limited information
Excellent communication skills, both written and verbal, in English, to effectively collaborate with team members and stakeholders.
Nice to Have:
Experience in B2B SaaS startup environments and remote international settings is strongly preferred
Familiarity with coding agents, automated code reviews, and agentic skills and tooling
Familiarity with event-driven architectures, serverless architectures, high volume architectures, API strategies, MongoDB, AWS, micro-services, web security, and Agile methods is highly desirable
Experience working in an Agile development environment, collaborating with cross-functional teams
Past positions in startups and international contexts will be appreciated.
The benefits we offer in Mexico include
FULL TIME EMPLOYMENT
Competitive health insurance plans
Christmas bonus
Adaptable time off
Fountain-wide perks including paid holidays, annual allowances for ongoing education related to your profession and career advancement, along with home office, cell phone, and wellness reimbursements.
Fountain is proud to be an equal opportunity workplace.
We welcome applicants of any educational background, gender identity and expression, sexual orientation, religion, ethnicity, age, socioeconomic status, disability, and veteran status.
By submitting an application, you confirm that you have read our Privacy Policy and agree that we may process and retain your personal data for the purpose of recruitment in accordance with applicable data protection laws.
#J-*****-Ljbffr

📌 Senior Software Engineer - Fountain Hire (Buenos Aires)
🏢 Fountain
📍 Buenos Aires