Focus Reactive

Headless CMS migrations and Next.js builds

JavaScript Engineer - React and/or Node.js

Frontend EngineeringConfirmed live in the last 24 hours

Full-timeWarsaw, PolandNo salary listedRemote

About the Job

Requirements

At least four years of professional JavaScript development experience.
At least two years of experience working with production React applications.
Experience integrating with cloud services, RESTful application programming interfaces, and GraphQL.
Proficiency in front-end markup and styling.
Proficiency in different software testing strategies.
Familiarity with Agile/Scrum methodologies.
Familiarity with design patterns, data structures, and algorithms.
Solid spoken and written English skills.

Responsibilities

Integrate into clients’ product delivery and design processes and drive key decision-making.
Embed regularly with client teams, either in person or remotely, to provide project leadership and technical expertise.
When not working on client projects, contribute to open-source software and develop presentation skills at technology events.

Desired Qualifications

Ability to develop semi-complex Node.js applications, including application programming interface servers, server-side rendering, and tooling.
Experience with React Native or native mobile development.
Experience leading teams.
Open-source software contribution experience.
Public speaking or training experience.

Job Description

FocusReactive is a modern consultancy company with deep specialization in our core development stack. It is not a traditional outsourcing company, therefore we expect each engineer to integrate well into clients product delivery and design process, driving key decision-making.

You will regularly embed with client teams, either in person or remotely, to provide project leadership and technical expertise. When you’re not working on client projects, you’ll have a chance to contribute to our community-leading open source software and polish your presentation skills at our tech events.

Qualifications

4+ years experience in professional JavaScript development
2+ years experience working with production React applications
Demonstrable ability to learn quickly
Experience integrating with cloud services, RESTful APIs, GraphQL
Proficiency in front-end markup and styling
Proficiency different software testing strategies
Familiarity with Agile/Scrum methodologies
Familiarity with design patterns, data structures, and algorithms
Solid spoken and written English skills

Extra credit for

Ability to develop semi-complex Node.js applications (API servers, SSR, Tooling)
Experience with React Native, or native mobile development
Experience leading teams
Open source software contributor
Public speaking/training experience

Additional Information

Benefits

Solid learning experience through mentorship and contribution to highly challenging software projects
Extended training possibilities via workshops, conferences, and online courses
Time allocation for Open Source and DevRel work
Deep integration with the international community
Above the market compensation
Work-from-home possibilities

About the Company

Focus Reactive

Headless CMS migrations and Next.js builds

FocusReactive is a Next.js-focused development partner that builds headless websites and eCommerce experiences for SaaS, scale-ups, and enterprise brands using CMSs like Storyblok and Sanity, Shopify Hydrogen, and Vercel. It starts projects with a structured discovery process (content audit, SEO continuity, component architecture, and redirects) and then develops on a robust in-house CMS-Kit that supports localization, navigation, and SEO. The company differentiates itself with a strong emphasis on SEO preservation, editorial workflows, scalable content modeling, and multi-site, multi-language, multi-region design, backed by a global presence. Its goal is to help technology and multi-market brands migrate or replatform to fast, scalable, and maintainable headless systems that improve performance and localization across time zones.

Company size: 11-50
Company stage: Not listed
Total funding: Not listed
Headquarters: London, United Kingdom
Founded: 2019

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