Senior Software Engineer, Front-End Web

FiftyThree, New York

Tools for mobile creation and visual thinking

Job Title: Senior Software Engineer, Front-End Web

Discipline: Software Engineering

Reports to: Software Engineering Manager, Front-End Web

Location: New York, NY

Job Profile:

Build rich, dynamic, magical web applications. Work hand-in-hand with the design team to implement interfaces that look beautiful and adapt dynamically to all types of devices. Architect complex client-side interactions that push the boundaries of performance. Implement animations and transitions that make experiences in the browser come to life.


  • Execute on a software architecture and development plan to bring products to life
  • Write code to tackle challenging technical problems with a focus on readability, maintainability, performance, and quality
  • Propose novel solutions to design and technical challenges
  • Communicate effectively with your team and other product disciplines, raising issues early and offering solutions
  • Develop all software according to coding standards and processes
  • Perform reviews of other engineers’ code, designs, and architectures
  • Make use of unit and integration tests wherever possible
  • Mentor junior engineers
  • Participate in the interview process for new team members


  • BS degree in Computer Science or related field, or equivalent practical experience
  • 4+ years of relevant work experience
  • A solid foundation in computer science, with strong competencies in data structures, algorithms, and software design
  • Proven, self-motivated engineer with a track record of creating production-quality web applications
  • Posses a strong passion for building custom user experiences
  • Able to work effectively in a cross-disciplinary environment, particularly with designers
  • Able to create a development plan for a given feature set, estimate its tasks, and execute on those tasks in an efficient manner
  • Experienced in defining architecture and implementing features of large scale modern web applications with technologies such as React.js
  • Expert in Javascript
  • Working knowledge of CSS
  • Proficient with Git or similar revision control systems

We Offer:

  • Medical, Dental, Vision, 401(K)
  • Life Insurance
  • Commuter Benefits
  • Corporate discounts through AnyPerk
  • Catered in-office lunches twice weekly and fully stocked pantry
  • Flexible Time Off Policy
  • Employee Equity Program

About FiftyThree

FiftyThree builds tools that make ideas better. They are the makers of Paper, the fast and beautiful productivity app for getting ideas down, and Pencil, the award-winning stylus, and Paste the fastest way for teams to gather, organize, and share their ideas. Internationally recognized for design excellence and innovation, they’ve received awards from Apple, IDSA, The Edison Awards, and IxDA. 

Want to learn more about FiftyThree? Visit FiftyThree's website.