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Description

Senior Full Stack Engineer (React | TypeScript | NestJS)

Team: Javascript Engineer

Location: São Paulo, Greater Fortaleza, Rio de Janeiro, Rio de Janeiro, Brazil, Florianópolis, Santa Catarina, Brazil, Buenos Aires Province, Bogota,D.C., Capital District, Mexico City

Commitment: Remote

Workplace Type: remote

Join Our Team

Oowlish, one of Latin America's rapidly expanding software development companies, is seeking experienced technology professionals to enhance our diverse and vibrant team.

As a valued member of Oowlish, you will collaborate with premier clients from the United States and Europe, contributing to pioneering digital solutions. Our commitment to creating a nurturing work environment is recognized by our certification as a Great Place to Work, where you will have opportunities for professional development, growth, and a chance to make a significant international impact.

We offer the convenience of remote work, allowing you to craft a work-life balance that suits your personal and professional needs. We're looking for candidates who are passionate about technology, proficient in English, and excited to engage in remote collaboration for a worldwide presence.

About the Role

We are looking for a Senior Full Stack Engineer to build and evolve patient-facing features across a healthcare platform.

This is a high-impact, product-focused role where you will own features end-to-end—from API design through polished UI—while contributing to architectural decisions and mentoring other engineers.

You will work on real-world workflows such as appointment booking, insurance verification, and patient portal experiences, building scalable and reliable systems that directly impact patient outcomes.

Key Responsibilities:

Build and maintain full-stack features using Next.js, React, and NestJS
Design and develop APIs with proper validation, error handling, and documentation
Create responsive and accessible user interfaces using React, Tailwind CSS, and component libraries (Radix UI or similar)
Own complex workflows such as appointment scheduling, patient portals, and integrations
Contribute to architecture decisions and establish best practices across the stack
Mentor engineers and provide technical guidance through code reviews
Integrate with third-party systems (EHRs, payment providers, external APIs)
Ensure system reliability through testing, monitoring, and performance optimization
Maintain high standards for data handling, including HIPAA compliance

Must have:

5+ years of experience in full-stack software engineering
Strong proficiency in TypeScript across frontend and backend
Strong experience with React (Next.js preferred)
Experience with Node.js backend frameworks (NestJS, Express, or similar)
Solid experience with PostgreSQL and ORMs (TypeORM or similar)
Experience building and shipping complex user-facing features end-to-end
Experience with form handling (React Hook Form, Formik) and validation (Zod, Yup)
Experience mentoring engineers or leading technical initiatives
Strong understanding of building scalable, reliable systems

Nice to Have:

Experience in healthcare environments (EHR integrations, HIPAA compliance)
Experience with state management tools (Redux, React Query)
Experience with component libraries (Radix UI, shadcn)
Experience with background job systems (Bull, BullMQ, Sidekiq)
Experience integrating with Salesforce or external enterprise systems
Experience with feature flagging and gradual rollouts
Familiarity with observability tools (Datadog, analytics platforms)

Benefits & Perks:

Home office;

Competitive compensation based on experience;

Career plans to allow for extensive growth in the company;

International Projects;

Oowlish English Program (Technical and Conversational);

Oowlish Fitness with Total Pass;

Games and Competitions;

You can also apply here:

Website: https://www.oowlish.com/work-with-us/

LinkedIn: https://www.linkedin.com/company/oowlish/jobs/

Instagram: https://www.instagram.com/oowlishtechnology/

Oowlish

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Frequently Asked Questions

We prioritize job seekers as our customers, unlike bigger job sites, by charging a small fee to provide them with curated access to the best companies and up-to-date jobs. This focus allows us to deliver a more personalized and effective job search experience.
We've got over 200,000 jobs from 15,000+ vetted companies. No fake or sleazy jobs here!
We aggregate jobs from 15,000+ companies' career pages, so you can be sure that you're getting the most up-to-date and relevant jobs.
We're the only job board *for* software engineers, *by* software engineers… in case you needed a reminder! We add thousands of new jobs daily and offer powerful search filters just for you. 🛠️
Every single hour! We add 2,000-3,000 new jobs daily, so you'll always have fresh opportunities. 🚀
Typically, job searches take 3-6 months. EchoJobs helps you spend more time applying and less time hunting. 🎯
Check daily! We're always updating with new jobs. Set up job alerts for even quicker access. 📅

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