Terminal
Terminal

Frontend Engineer - React, JavaScript, Typescript

June 29, 2025
Full-time
Remote · Costa Rica
Mid-Senior level
Front-end Developer
Apply now

About Ostro

At Ostro, our mission is to help millions of people live healthier lives by being the missing, caring link between those who make medicines, treatments, and diagnostics, and those who take them. We create personalized healthcare journeys that boost engagement and drive improved value for consumers, HCPs, and life sciences brands.

About The Role

As Ostro continues to grow and onboard new customers, we’re looking for a Frontend Engineer to support both implementation needs and ongoing product development. In this role, you'll help ensure that the customer experience—both during launch and long after—is smooth, performant, and reliable. You’ll work closely with our product, engineering, and implementation teams to integrate our frontend components into customer environments, troubleshoot launch-related issues, and push the product experience forward. Your work will directly impact the speed and quality of our customer launches, as well as the polish of the core product itself. Our frontend needs are growing with our business, and we need a dedicated engineer who can scale with us. This role is ideal for someone who enjoys a mix of heads-down development and cross-functional collaboration—and whotakes pride in shipping and deploying impactful software.

What You’ll Do

  • Play the primary role troubleshooting and testing issues related to product rollout to our customers
  • Optimize application performance and scalability to meet user demands
  • Create documentation on customer specific configurations to make support easier for the broader team
  • Collaborate with cross-functional teams to implement new features and refine existing ones
  • Ensurecodequalitythroughthoroughreviews,unittesting,and adherence to best practices
  • Stay informed about emerging frontend technologies and industry trends

What You’ll Bring

  • High proficiency with one or more of the following: React, Javascript/Typescript, Tailwind
  • You have a Bachelor’s degree in computer science or related field, or equivalent work experience
  • You have 2+ years of experience as a Software Engineer
  • You have shipped production code for B2B software products Nice to Have Qualifications:
  • Experience with Material-UI
  • Experience with MobX
  • Experience with React Query
  • Experience with Zustand