Front-End Developer (Remote)
Senior front-end developer on Insider's web development team building web-based products for its marketing/customer engagement platform, working with Vue (Composition and Options APIs), HTML5/CSS3/JavaScript, micro front-end architecture, and an AI-first workflow with tools like Claude Code, Cursor, and Copilot.
- Compensation
- Not disclosed
- Location
- Istanbul, Turkiye
- Work setup
- Remote
- Seniority
- Not specified
- Employment
- Not specified
- Experience
- 4+ years
- Category
- Frontend
- Posted
Skills
Must have
- 4+ years of experience as a Front-end Developer
- Experience with modern tools and libraries (NPM, Vite, Webpack, Babel) and micro front-end architectures
- Hands-on, daily experience with AI coding tools such as Claude Code, Cursor, or GitHub Copilot
- Comfortable working in an AI-first development workflow (planning, implementing, refactoring, testing, reviewing with AI agents)
- Able to write effective prompts and give agents the right context (CLAUDE.md, project rules, skills, MCP servers)
- Reviews AI-generated code critically and takes full ownership of its quality, security, and maintainability
- Curious, constantly experimenting with new AI tools, models, and workflows
- Experience working in an Agile team
- Experience with HTML5, CSS3, JavaScript
- Deep understanding of Vue, including both the Composition API and the Options API
- Experience with Sass or other compiled CSS languages and responsive web design
- Stays up to date on emerging technologies
- Good knowledge of version control systems (e.g. Git)
- Experience in optimizing page performance
- Familiar with maintaining, scaling, and monitoring systems
- Familiar with application performance and error-tracking apps (e.g. Sentry, Datadog, Site24x7)
- Ability to write clean and semantic front-end code
- Experience in Unit, Visual, and E2E Testing
- Self-motivated, independent, organized, proactive, and highly responsive across multiple teams
- Open to developing and learning new technologies
- Visionary mindset
Nice to have
- Knowledge and experience in TypeScript
Full description
Before jumping into all the information about the role and what you can bring to the table, let us introduce ourselves real quick.
About us
Insider One is the #1 platform that brings everything marketing and customer engagement teams need in one place so they can reach their peak potential and become unstoppable.
Our story began with six desks and a vision to create a single platform to make industry-first technologies and emerging channels accessible to marketers worldwide. Today, Insider One is powered by 1,500+ team members representing 50+ nationalities across 30+ offices. With AI at its core and an integrated Customer Data Platform (CDP), Insider One unites data, personalization, and journey orchestration across the most extensive set of natively supported channels, including WhatsApp, SMS, Email, Web, App, and Site Search.
We recently raised one of the largest funding rounds in the industry, a $500M Series E led by General Atlantic. We are backed by top-notch investors, including Sequoia Capital, QIA, Riverwood, and Endeavor Catalyst, and trusted by 2000+ customers from high-growth startups to the most prestigious Fortune 500 companies such as Samsung, Nike, L’Oreal, Singapore Airlines, Nestlé, Nissan, Lenovo, Puma, IKEA, Allianz, Domino's, and the list goes on.
Insider One was congratulated for becoming one of the only woman-founded, women-led B2B SaaS unicorns in the world. Loved by customers, recognized by analysts, we are the only vendor recognized as the #1 leader in all the capabilities marketing and customer engagement teams need. Don’t just take our word for it — see for yourself. We consistently outperform and continue our leadership, and the results speak for themselves.
From day one, Insider One’s mission has not only been to build a world-class product company, but also to create one of the most socially progressive technology communities in the world. Through our social responsibility initiatives like 100 Social Responsibility Projects, AI Training for Teachers, Code Academy, SheCodes, SheLeads, and SheMarkables, our community has committed to scaling its impact on our communities across 30+ countries, driving initiatives in health, education, farming, animal rights, and increasing women’s representation in STEM.
Behind all these achievements is an exceptionally talented, visionary team of overachievers that moves fast and agile, creating cutting-edge products, and focuses on making an impact. If you want to be a part of this journey, just keep reading.
And now? Now we are looking for a Front-end Developer who will help our Web Development Team create and implement a wide variety of web-based products using Go, , or PHP, and who wants to take their career one step further. If you think you are one of those people, here you will have the chance to work with the world's leading brands using Artificial Intelligence & Machine Learning technologies. Right now, while you are reading this, we are sending an average of 2.2 billion requests and almost 2 billion instant notifications to more than 450 servers a day. On the Artificial Intelligence and Predictive side, we have more than 100 TB of historical data. We do not wait for jobs or opportunities to come to our feet — we create them. We have now reached 25% of global users. If all of this interests you, read on for more!