Job Closed
This listing is no longer active.
The #1 platform that brings everything marketing and customer engagement teams need in one place, to become unstoppable.
Senior Front-End Developer
Location
Turkey
Posted
107 days ago
Salary
0
Seniority
Senior
Job Description
Senior Front-End Developer
Insider One
• participates in the entire project life cycle, from product development and release to maintenance, • researches, evaluates, and shares existing and upcoming new technologies with the team, • provides communication with Product Managers, Designers, teammates, and co-working teams in order to write efficient code, • produces new ideas to develop new features/setups or to improve existing applications and processes, and develops POC applications when necessary to demonstrate ideas, • works closely with Back-End Developers to communicate with APIs, • provides control of error channels to keep product quality at the highest level, • writes code in a reusable, manageable, scalable way, • is responsible for the maintenance and performance of new features in the front end, • aims to keep code quality and information sharing at the highest level with daily code reviews.
Job Requirements
- have 4+ years of experience as a Front-end Developer, working with modern tools and libraries (e.g. NPM, Vite, Webpack, Babel), and micro front-end architectures.
- have experience working in an Agile team,
- have experience with HTML5, CSS3, JavaScript, Vue.js,
- have a deep understanding of Vue.js, including experience with both the Composition API and the Options API,
- have experience with Sass or other compiled CSS languages and have experience in responsive web design,
- stay up to date on emerging technologies,
- have good knowledge of version control systems (e.g. Git),
- have experience in optimizing page performance,
- are in tune with maintaining, scaling, and monitoring systems,
- are familiar with application performance and error-tracking apps (e.g. Sentry, Datadog, Site24x7, etc.),
- have the ability to write clean and semantic front-end code,
- have experience in Unit, Visual, and E2E Testing,
- are self-motivated, independent, organized, proactive, and highly responsive when working across multiple teams,
- are open to developing and learning new technologies,
- have a visionary mindset,
- having knowledge and experience in TypeScript is a bonus.
Benefits
- Enjoy a monthly meal allowance designed to enhance your daily routine.
- Access comprehensive private health insurance.
- Feed your curiosity with access to Spotify, LinkedIn Learning, Blinkist, MasterClass, Neoskola, and CloudGuru.
- Level up with internal trainings covering AI fundamentals, coding, foreign languages, and a wide range of personal development skills.
- Be part of a diverse team that’s as global as it gets, where every voice is heard and 50+ nationalities build together.
- Become a Shareowner through our eligibility-based “ESOP” and own a piece of what you build.
- Help build the team you want to work with and enjoy rewarding referral bonuses.
- Opportunities to give back to your community through volunteering and purpose-driven social impact projects.
- From global retreats to team-building activities, expect year-round events that turn into lifelong memories.
- Get inspired by the greatest minds in the tech industry through events like our Tech & Dev Talks.
- Work from anywhere in Turkey through our fully remote setup.
Related Guides
Related Job Pages
More Frontend Engineer Jobs
• Lead the development of rich, interactive web applications built with React • Design, build, and maintain complex front-end applications • Create accessible, responsive UI components using Chakra UI • Implement interactive map-based experiences using Mapbox GL JS • Build interactive data visualizations and dashboards using Plotly and ApexCharts • Optimize performance for large datasets, maps, and real-time updates • Collaborate with product managers, designers, and backend engineers to define and deliver features • Establish and enforce front-end best practices (architecture, testing, accessibility, performance) • Lead code reviews and mentor other engineers • Contribute to technical planning and architectural decisions • Ensure cross-browser compatibility and responsive behavior
• Build and maintain a production-grade Next.js (App Router) application • Implement responsive, accessible UI using Tamagui shared across web and mobile • Manage client-side data fetching and caching with TanStack Query • Integrate Stripe payments using Stripe.js and react-stripe-js • Consume REST APIs and custom authentication hooks backed by Firebase • Implement analytics (PostHog) and error tracking (Sentry) • Write and maintain high-quality tests using Vitest, React Testing Library, and Playwright • Ensure accessibility compliance using tooling such as eslint-plugin-jsx-a11y and axe-core • Collaborate with design and product to translate complex health concepts into clear UX
• Design and develop scalable frontend systems in React + TypeScript • Build high-impact interfaces dashboards, agent UIs, Chrome extensions, and more • Integrate deeply with GraphQL APIs to surface LLM-generated insights and business data • Own features end-to-end: participate in design, build in weekly sprints, and iterate based on real feedback • Collaborate with designers, backend engineers, and product managers in a fast-moving, low-ego environment • Help maintain and grow our component library and design system • Contribute to engineering best practices and shape the culture of our growing team
• Take ownership of complex frontend features end-to-end - from scoping and architecture to polished, high-quality delivery • Push the boundaries of what’s possible with modern frontend technologies and build pixel-perfect, visually refined UI that matches design specs down to the smallest detail • Collaborate closely with Product, Design, and Backend teams to translate ideas into elegant, performant user interfaces, ensuring a world-class user experience • Maintain high standards for code quality, accessibility, and performance through thoughtful reviews, testing, and best practices • Contribute to evolving our frontend architecture, component library, and design system to support rapid iteration at scale




