About ALSF

Front-End Engineer

Childhood Cancer Data Lab Overview

Alex’s Lemonade Stand Foundation is one of the leading funders of pediatric cancer research in the US and Canada. Since its inception in 2005, ALSF has funded more than 1,000 projects at nearly 150 institutions across the United States and Canada.

The Childhood Cancer Data Lab, an initiative of Alex’s Lemonade Stand Foundation, was founded in August 2017 with the mission of empowering pediatric cancer experts poised for the next big discovery with the knowledge, data, and tools to reach it. The Data Lab is a team of software developers, data scientists, designers, and community managers who are driven to build software systems, analytical workflows, and training programs in service of this mission. Members of the Data Lab simultaneously contribute to childhood cancer research and to the open science and open source software communities.

Position Overview, Duties and Responsibilities

Engineers at the Data Lab write code to develop Data Lab services and interfaces that meet the pressing needs of researchers studying childhood cancer. These developments will serve a community of dedicated scientists and clinicians, including those who receive grants from ALSF.  Engineers work with computational biologists, designers, and the Director to guide conception, development, and maintenance of a variety of products and services ranging from primarily user-facing interfaces to computationally intensive processing of large collections of biomedical data. As part of our small team, you will have the opportunity to make an outsized impact on our products and services, as well as the community they serve. Working at the Data Lab also provides a unique opportunity to interact with the pediatric cancer research community and its supporters at ALSF.

As part of the Data Lab engineering team, you will help tackle a variety of technical challenges and turn them into reliable software implementations. You will have an opportunity to learn and develop your skills and expertise while building tools and applications that directly benefit childhood cancer researchers. You will participate in annual and sprint goal setting and planning to achieve them.

As a Front-End Developer your primary tasks will be participating in discussions that will shape how the client facing web applications will meet the needs of our users, turning new designs into functional JS components and applications, and supporting existing web applications by adding new features or debugging existing issues.


  • Collaborate with team members to understand issues and determine and implement solutions
  • Develop and deploy software solutions for diverse problems to compute infrastructure
  • Write clean, maintainable source code
  • Participate in code review to maintain and raise code quality
  • Participate in sprint goal setting and planning

All employees of the Foundation undertake other duties as needed and special projects as assigned. All positions at ALSF require occasional non-traditional work hours including evenings and weekends.

Required Qualifications:

  • Experience with JavaScript using React, Vue, or Angular
  • Experience with Git
  • Experience with Continuous Integration workflows
  • Experience making web clients that consume REST APIs
  • Experience with writing BEM CSS using a CSS preprocessor like SASS or Less
  • Eagerness to learn new technologies and frameworks

Preferred Qualifications:

  • Experience with Figma
  • Experience using styled-components for React
  • Experience building and maintaining web clients
  • Experience making responsive SPA’s
  • Experience with Agile development
  • Experience with NextJS or NuxtJS
  • Existing contributions to open source projects

If you think any of the above fits your existing experience or you believe you can transition your skills from one technology to one listed, please apply!


The Data Lab is headquartered in the greater Philadelphia area. The team has switched to fully remote work during the pandemic, with many members being permanently or partially remote. When it is deemed safe to return to in-person work, this position can remain remote with quarterly trips to the Philadelphia area or return to the Alex’s Lemonade Stand Foundation office as desired.


If interested, please submit your resume and a cover letter describing your interest and why you are the right fit for the position to [email protected].