Job information

$ 14,000 - 19,000 EUR per annum

Job Summary

ELSA (English Language Speech Assistant) Corp. is a San Francisco-based startup with engineering offices in Lisbon, Portugal. Our vision is to enable everyone to speak foreign languages with full confidence, reaching better life and career opportunities. Our flagship product, ELSA speak, is a personal mobile coach who improves our users' English pronunciation and intonation using phoneme and suprasegmental analysis of the user's speech signal. Our backend servers implement state-of-the-art speech recognition technology to pinpoint errors and give accurate and consistent feedback to our users on how to improve.

We're looking for an awesome front-end developer to join the ELSA team in Lisbon (Portugal).

The ideal candidate is a top-notch engineer with a strong technical background and flexibility to work in a fast paced US startup environment as part of a very international team spread among 3 continents. To be part of ELSA you need to be a team player and be ready to push hard to help develop the best language learning AI tool in the World!

As a Front-end Developer you will be in contributing to:

Develop dashboards for our users to track their progress, and interfaces for professional users to create new content for ELSA app
Develop new web interfaces to use ELSA on the web
Develop web tools for internal use (visualization and management of usage and users data coming from our backend API’s)
Integrate our internal RESTful API’s with our web frontends

Job Description

Main requirements

  • At least 1 year of experience
  • University degree (bachelor or masters) in Computer Science (or similar)
  • Experience developing in HTML5, CSS3 and Javascript
  • Experience working with RESTful API’s
  • Reasonable communication skills in English
  • You are a Linux enthusiast

Nice to have

  • Experience developing in AngularJS, React or similar paradigms
  • Some experience working in Python


  • Full-time position
  • Company laptop
  • Competitive salary and stock options according to seniority
  • Flexible working hours
  • Ample room to grow professionally
  • Experience the true startup spirit of a fast growing and well funded Silicon Valley startup
  • Offices near the center of Lisbon, well communicated via metro and bus lines
  • Truly international team, with offices in 3 continents
  • Free cookies, coffee and good vibes