Senior Frontend Engineer

Fluxon

Senior Frontend Engineer creating and delivering user experiences for clients at Fluxon. Collaborating closely with design and product teams to build software from design to launch.

Posted 7/13/2026full-timeRemote • 🇵🇱 PolandSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in frontend development with a strong focus on user experience, responsive design, and modern web technologies. Proficient in collaborating with cross-functional teams to deliver high-quality, scalable web applications.

Highest-signal resume keywords

Frontend DevelopmentTypeScript/JavaScript FluencyReact/Angular/Next.js ExpertiseResponsive DesignUX and Interaction Design

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Frontend DevelopmentTypeScriptJavaScriptHTMLCSSResponsive DesignComponent ArchitectureUnit/Integration TestingPerformance OptimizationAccessibility Best Practices

Soft Skills

Proactive AttitudeCreative Problem SolvingEffective CommunicationClient-Facing Skills

Tools & Technologies

Next.jsReactAngularVue.jsTailwind CSSMaterial UIChakra UIFigmaReduxGraphQL

Industry Keywords

Design SystemsMicrointeractionsProgressive Web AppsREST APIsScalable Web Applications

Tech Stack

Tools & technologies

AngularGraphQLJavaScriptMaterial UINext.jsReactReact NativeReduxTypeScriptVue.js

About the role

Key responsibilities & impact

Create and deliver beautiful user experiences for our clients
Clarifying requirements and UI design in partnership with our Product and Design teams
Collaborate closely with designers to ensure a high level of UX polish and interaction quality in everything you build
Breaking down goals into achievable tasks and following sprint timelines effectively
Proactively communicating progress and challenges in your work
Learning fast and working independently and reliably
Following best practices in frontend development, including efficient component architecture, responsive design patterns, state management best practices, comprehensive unit/integration testing, and optimizing for performance and accessibility
Implement meaningful motion and microinteractions that enhance usability and delight
Technologies frequently worked with include: Next.js, React, Angular, Vue.js, Typescript/JS, CSS, Tailwind CSS, Material UI, Chakra UI, Shadcn, Figma, Redux, Zustand, Jotai, React Native/Expo, Progressive Web Apps (PWAs), REST APIs, GraphQL, WebSockets

Requirements

What you’ll need

6+ years of professional experience in frontend development
Fluency in TypeScript/JavaScript, HTML, CSS, and modern web development practices
Expertise with at least one modern frontend framework (React, Angular, or Next.js) with a passion for continuous learning
Experience in building highly-performant and scalable web applications
Strong understanding of responsive design and mobile-first approaches
Strong sense of UX and interaction design
Proactive, can-do attitude with a creative approach to problem solving
Comfortable in a client-facing consulting role
Experience with Design Systems and building accessible products is a plus

Benefits

Comp & perks

Remote-first, flexible work with a budget to set up a work space that works for you
Localized healthcare coverage to support you and your family’s wellbeing
Flexible paid time off with a minimum of 3 weeks per year (plus holidays)
"No internal meetings" Fridays, so you can focus on deep, uninterrupted work
A professional growth budget for learning that matters to you – whether it’s developing your technical skills or learning a new language
A monthly wellness allowance to support your physical and mental health
Annual company offsites, where we gather in person to build meaningful connections
A competitive salary that reflects your expertise, impact and experience
Profit-sharing, so you can benefit directly from the value we build together
A paid sabbatical program, designed for rest, renewal and fresh perspective