Senior Full Stack Engineer (React | TypeScript | NestJS)

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.

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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)

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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/