Senior Frontend Engineer

Job Details

Remote from Portugal
Annual Salary Range
€35.000,00 - €55.000,00

Job Tags


Company Information

The company offers the most advanced insights on human mobility based on cutting edge data science, proprietary machine learning algorithms and deep technology, capturing billions of signals every day from cell towers and other unique sources. It works with leading telecom companies and data partners around the globe to capture information about people’s geographical locations, movement habits and demographics; all completely anonymized and aggregated. They believe in unlocking the power of data to change the cities we live in, solve real-world business problems, enhance people’s lives, and ultimately benefit the world.



The frontend engineering team is one of the engineering pillars in the company. The team is responsible for building interactive web applications and data visualizations that present the insights from the aggregated and anonymized data on human mobility to customers in an easily understandable, visually appealing and engaging manner.

Located in Portugal , you will play a central role in the development of these applications.



  • Leading, coaching and growing a team of Frontend Engineers distributed across multiple geographies

  • Taking ownership of the web applications and shaping their future direction and architecture in close collaboration with product managers and designers

  • Developing new features, components and experiences for the web applications in close collaboration with the data visualisation specialists, designers, data scientists and backend engineers

  • Mocking up and prototyping new functionality, visualizations and applications

  • Designing and developing internal applications in close collaboration with data scientists and backend engineers

  • Working with their reliability engineers for efficient deployment of web applications

Tech Stack: Modern browsers and technologies. The tech stack includes tools such as: React, TypeScript, Node.js, D3, SVG, Canvas, WebGL, Webpack, PostgreSQL, ClickHouse, Docker, Kubernetes.


Main requirements

  • Professional experience in building web applications with great UI/UX using state-of-the-art technologies, with a demonstrable portfolio.

  • Extensive knowledge of the technologies that power the web: JavaScript, HTML, CSS.

  • Experience with modern frontend development stacks.

  • Know-how in scalable frontend development architectures.

  • strong verbal and written communication skills, proficiency in English.

  • Experience setting and leading to results-oriented metrics.

  • Organizational and time management skills.

  • Proactive, demonstrate passion for the product/topic, technologies, ability to thrive under pressure, open to learning and feedback.


Nice to have

  • Leadership experience leading a geographically distributed engineering team.

  • Experience with React, TypeScript, D3 and Node.js.

  • Experience with geospatial data, web mapping and geographic visualization.

  • Experience with 2D/3D graphics in the browser (SVG, Canvas, WebGL).

  • Experience with functional programming concepts.



  • Be part of an exciting and ambitious start-up that puts its people at the heart of its business.

  • Be part of a diverse, international, cross-disciplinary team of highly motivated, hands-on experts that tackle unique challenges with a positive spirit and lots of fun.

  • Flexible work schedule.

  • Additional company holidays.

  • Career development programs.