Senior Front-end Developer

What You'll DoDoes code hold no secrets to you? Are you the go-to expert for your colleagues and do you enjoy taking the lead by setting a good example? Become a Senior Front-end Developer at iO and build excellent applications for top brands like Bol, VodafoneZiggo, and Rabobank.As a Senior Front-end Developer, you'll work within the in-house teams of leading brands. With your in-depth knowledge and experience, you take the leading role in project teams and are the key contact for clients. They rely on your code, vision, and input as a senior developer. But it doesn't stop there: you elevate other colleagues in the team to a higher level by guiding, motivating, and inspiring them to excel. You ensure that projects are not only technically solid but also contribute maximally to your clients' business objectives. From concept to impact: you're involved throughout the entire journey.Your team & developmentYou don't just work at the client's site - you remain closely connected with your iO colleagues. At least once a week you come together to catch up, share knowledge, and learn from each other. You'll join a team of experts who will advance your career.At iO, you get time and budget to develop yourself. Take courses, workshops, training sessions, and earn certificates. Or give presentations yourself, write blogs (check out our Techhub ), and contribute to the Open Source community. We stay at the forefront by participating in many events, conferences, knowledge sessions, and high-level meetups.Your Qualities And Skills As Senior Front-end DeveloperMinimum 6 years of work experience as a Front-end DeveloperSolid experience with React/NextJs, Vue/Nuxt, or Angular is a mustFamiliar with TypeScriptExperience with AI-tooling, accessibility, NodeJS, or other back-end languages/frameworks is a plusExperience working at and with enterprise organizationsYou enjoy coaching developers in their technical and non-technical skills and easily take the leadYou speak fluent EnglishWhat Makes You StrongYou're more than a developer. You're a sparring partner for clients, a mentor for colleagues, and a thought leader in your field. You see opportunities where others see challenges and take initiative to capitalize on those opportunities. With your hands-on mentality and sharp technical insight, you elevate projects to a higher level.What’s in it for youVacation icon Vacation icon used in website25 vacation daysBased on a 40-hour work week.Money icon Money icon used in websiteTravel expenses & holiday payOf course, you can count on 8% holiday pay. In addition, we offer various mobility schemes for you to choose from, depending on your role and preference.SafeEnvironment icon Safe Environment icon used in websiteGood pension planYou contribute 4% and iO will supplement the rest up to the full premium.HybridWorking icon Hybrid Working icon used in websiteHybrid workingA good work-life balance is super important. Together with your team, you’ll decide when and where you work.FoodBenefits icon Food Benefits icon used in websiteHealthy snacks & lunchAt every iO campus, you can grab a healthy snack throughout the day and have a healthy and varied lunch for a small fee.TrainingBudget icon Training Budget icon used in websitePersonal training budgetEach year, you’ll get a budget of €3,000 to develop yourself, in your profession or as a person, through training, events, or courses.Celebrations icon Celebrations icon used in websiteCelebrating togetherIf there’s something to celebrate, we know how to party! From time to time, the party team at your campus will organise the best (theme) parties.Questions about this position?Hi! I’m Steffen, Recruiter at iO, and I’m here to answer all your questions. What’s on your mind?Send an email Arrow icon Arrow icon used in website