Front-End Developer (Remote)

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 Te…

What You Will Do

• 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.

What You Will Need

• 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 hands-on, daily experience with AI coding tools such as Claude Code, Cursor, or GitHub Copilot. At Insider One, AI is part of how we build every day, not an experiment,
• are comfortable working in an AI-first development workflow: planning, implementing, refactoring, testing, and reviewing code together with AI agents,
• know how to write effective prompts and give agents the right context (e.g., CLAUDE.md, project rules, skills, MCP servers), and can tell when AI output is wrong,
• review AI-generated code critically and take full ownership of its quality, security, and maintainability,
• are curious and constantly experimenting with new AI tools, models, and workflows, and enjoy sharing what you learn with the team,
• have experience working in an Agile team,
• have experience with HTML5, CSS3, JavaScript,Vue.js,
• have a deep understanding ofVue.js, including experience with both the Composition API and the Options API,
• have experience with Sass or othe…

We aren't just hiring for a position; we are hiring for a mission - a mission to build a lasting legacy that will set the benchmark for the most progressive tech companies out there.

To do this, we are looking for exceptional talent to join a community of good-hearted individuals who take high ownership and are relentlessly driven to go the extra mile.

If this sounds like

who you are

and where you aspire to be, we are excited to meet you.

We provide equal opportunity in a zero-discrimination workplace and not just welcome but also embrace everyone without regard to sex, race, color, nationality, religion, gender identity, sexual orientation, disability status, citizenship, or marital status.

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