Senior Fron-End Developer (static site generators)

Remote Part-time ZR_1408_JOB

Project overview

Our client develops a tracking and measurement platform, which measures the ads being shown and the performance of users downloading the apps, using the apps, purchasing, also measures the media buying itself, its cost, and what is the income of app users. The system works on hundreds of campaigns running simultaneously; it helps account managers to improve campaign performance.

Their platform analyses vast amounts of mobile ad data, among native, in-app, and mobile web sources, optimizing towards relevant post-install metrics such as user LTV, ROAS, and multi-day retention.

Requirements

Expert-level proficiency in modern static site generators (Next.js, Astro, Eleventy, or similar)
Deep understanding of headless CMS architecture (Sanity, Contentful, Strapi, or equivalent)
Advanced performance optimization (Core Web Vitals, lazy loading, code splitting)
Technical SEO implementation (structured data, meta management, sitemap generation)
Custom CSS/design systems (Tailwind or vanilla – no heavy frameworks)
Ability to implement custom designs with pixel-perfect accuracy
Strong eye for conversion-focused UI/UX patterns
Responsive design mastery
Upper-Intermediate (B2)+

Responsibilities

Develop a static site project backed by a headless CMS that will end up having 5-10 variations (differing by small structural changes. Each site has 1 main page and 2-3 subpages for content.

We offer

20 vacation days (workdays)
7 sick days
Personalized career growth
Internal English classes
Education reimbursement
Corporate events and team buildings
Equipment provided

Apply now

Sharing Impressions

I like the company that we all work as a united and well-coordinated team. The company provides great opportunities for development and career.

Denys Bondar PHP Developer

Hey! My name is Dmytro, I have been working as a motion designer at Group 107 for over a year. Here I like the fact that I have the freedom to be creative and really cool projects.

Dmytro Omelian Motion Designer

Hi, my name is Anastasia and I am a Scrum-master in Group 107. In 2020, Group 107 came into my life and became my place of strength and development.

Anastasia Makosiy Scrum Master

Hello, I am Sam. I have been working at Group 107 as a digital campaign specialist for 2 years and it is the best position ever!

Samuel Aina SMS/Email Campaigner

My name is Nazar and I am a React developer Group 107. I have been working here for over a year. The company has very interesting and cool projects, mega-positive people.

Nazar Rudyi Front-End Developer

I like that company cares about me as a person and about my personal growth. I like being appreciated and listened to. Everytime I feel being motivated and inspired at work.

Iurii Masliuk Graphic Designer

I have been working at Group 107 for more than 2 years. Most of all I like the friendly atmosphere in the office and the team spirit – it is priceless.

Mykhailo Chonka Senior Motion Designer

It is my best decision ever! I like that company combines dynamic business approach with top-notch technologies and very strong people-oriented values.

Iryna Myasnikova Head of PMO

When I came to work, there were only about 20 of us, at the moment there are 100+ of us, and the feeling of support and friendship remains the same as in a small team.

Anna Labish Recruiter

What I like most is the family atmosphere, interesting projects, flexible management and the opportunity to develop my professional skills every day.

Oleg Bortnyk UI/UX Designer

From the beginning, I felt like I’m in a big family where everybody supports each other and ready to help at any time. Group 107 gives great opportunities to develop your skills.

Yuliia Bedzai Graphic Designer