Senior Frontend Developer

What you will do

You will be shaping the future of Lensor! Lensor is a top-notch AI start-up where a team of 10 young and bright people is working on automating vehicle inspections. As a Senior Frontend Developer at Lensor, you will work on the design and the development of our customer-facing portal. Due to the nature of our product, images are at the core of our application. Therefore, our customer apps need to be blazingly fast. Are you always keeping speed and scalability in mind? Then Lensor is the place for you!

Our tech stack includes Python, AWS, React, JavaScript, CSS, Sentry

Your Responsibilities

You will improve and extend the existing solution by bringing new ideas to the table.You have a clear vision on frontend development. You like to work together with the other frontend developers and the software development team to create the perfect custom portal for our customers. Your responsibilities include:

  • Take ownership of the customer-facing application to make our digital vehicle inspections available for our customers;
  • Development of a vision on the customer portal and app;
  • Write user stories and transform customer requirements into technical requirements;
  • Work closely with our customers to collect feedback;
  • Support and guide jr. frontend developers by providing advice, coaching, and educational opportunities;
  • Implement user stories;
  • Implementing automatic testing;
  • Guide others in implementing best practices for speed, reliability, and security;
  • Grow the Frontend team by interviewing, recruiting, and hiring new talents;
  • Keeping quality in mind during each step of the development cycle;

We are looking for

Lensor is looking for an ambitious and enthusiastic frontend developer with an innovation mindset. Ideally, you have: 

  • Master’s degree in an appropriate field of study;
  • 3+ years of relevant working experience;
  • Multiple years of work experience with JavaScript, React, and CSS;
  • Multiple years of experience with automatic testing;
  • Experience with AWS is a big plus;
  • Knowledge of Python is a big plus;
  • Experience with image data is a plus;
  • Experienced with GitHub and CI/CD pipelines;
  • Experience with error and performance monitoring is a plus;

What we offer

Besides the fabulous, fun, flexible and dedicated team you will be joining, you will enter a challenging environment where you can excel. We offer:

  • The ability to bring your ideas to the table and transform them into real-world applications
  • A competitive salary based on experience/knowledge
  • Mobile phone (iPhone) and laptop (Macbook)
  • Personnel discount on Pon’s products and services with a maximum of €500 per year. (Lensor is part of Pon, one of the largest family-owned companies in the Netherlands)
  • Plenty of room for personal development and education
  • Ability to work remote for 1 or 2 days
  • The option to join Pon Fit activities like boot camps, cycling tours, and running events


About us

Lensor is an AI start-up focusing on automating vehicle inspections. After two years of active development, we are ready to implement and install this solution in our customer base. We are a young team with the perfect balance of working hard and having fun.  We are looking for talented people to join us. Are you creative and do you like a challenge? Then we want you to be part of our success! Currently, we are located in Leusden. As part of our growth, we are looking to move to either Utrecht or Amsterdam.

How to apply

Are you as enthusiastic as we are about Lensor? Then we are looking forward to meeting you! Upload your motivation and CV or email these directly to and we will contact you as soon as possible.