Senior Web Developer

  • Campus Sofia
  • Senior
  • 40 hours
  • ExpertiseTechnology
  • Skills
  • ContractEmployed
We’ll contact you ASAP
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What you'll do

Do you love building beautiful, performant web experiences with cutting-edge technologies? Are you passionate about React and Next.js? Do you have a strong understanding of PHP and experience working in a fast-paced agency environment? If so, we want to hear from you!


At iO, we are passionate about creating innovative digital solutions for our clients. We're a first-class international digital agency looking for a Senior React, Next.js Developer to join our growing team.


  • Develop and maintain high-quality, reusable, scalable web applications using React and Next.js
  • Collaborate closely with designers and back-end developers to ensure seamless integration and a positive user experience
  • Write clean, maintainable, and well-documented code
  • Implement best practices for testing and code quality
  • Stay up-to-date with the latest trends and technologies in the React ecosystem
  • Leverage your experience with PHP to bridge the gap between front-end and back-end development in an agency setting

Your qualities and skills as Senior Web Developer

  • 5+ years of experience as a professional web developer
  • In-depth knowledge of React and Next.js
  • Solid understanding of HTML, CSS, and modern JavaScript practices
  • Experience with state management solutions (e.g., Redux, Context API)
  • Experience with unit testing
  • Strong problem-solving and debugging skills
  • Excellent communication and collaboration skills in English
  • Experience with PHP and relevant frameworks (e.g., Laravel, Symfony)


Bonus Points


  • Experience with serverless technologies (e.g., AWS Lambda)
  • Experience with continuous integration and continuous delivery (CI/CD)


What We Offer


  • The opportunity to work on challenging and impactful projects with talented and supportive teams, located in Bulgaria, Belgium, the Netherlands, Sweden and Denmark
  • A chance to learn and grow in a fast-paced and dynamic environment
  • Hybrid working mode
  • Programs to grow and develop yourself
  • An informal and open working atmosphere
  • 26 days of annual paid leave
  • Modern office near "Mall of Sofia"
  • Additional health and dental insurance
  • Sport cards
  • Public transport card/ fuel allowance
  • Mobile device reimbursement
  • Personal training budget and study days
  • A competitive salary


Ready to Join Our Team?


If you're excited about the prospect of working with cutting-edge technologies and building fantastic web experiences, we encourage you to apply! Please submit your resume and a cover letter explaining why you're a perfect fit for this role.

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What’s in it for you

26 days of vacation days

Based on a 40-hour work week, you have 26 days of paid leave.

Additional health and dental insurance

Covering patient and outpatient care, health and dental care, reimbursement of costs for prescribed medicines, pregnancy and birth coverage.

Hybrid working

A good work-life balance is super important. Together with your team, you’ll decide when and where you work.

Healthy office snacks and specialty coffee

At our campus, we provide fresh fruits, healthy snacks and specialty coffee beverages throughout the day.

Personal training budget

Each year, you’ll get a budget of €3,000 to develop yourself, in your profession or as a person, through training, events, or courses.

Celebrating together

If 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.

Elena Dobreva | iO

Questions about this position?

Hi! I’m Elena, Recruiter at iO, and I’m here to answer all your questions. What’s on your mind?
Send an email
or contact me via
+35 987 70 07 626

Get to know iO

2,200+

colleagues

13

campuses

4

countries

25

nationalities

10+

awards in the past year

growing, learning and challenging yourself

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Your application, step by step

Working together, making an impact and growing: it all starts with the right connection. That's why we'd like to get to know you and want you to get to know your future colleagues too.

  • Woman listening
    Let's get to know each other

    We like to act quickly. If we can sense a match, we'll get in touch soon for a virtual introduction. This way, both you and we can see if there's a good fit.

  • Woman smiling during meeting
    Come say hi

    How can your knowledge, skills and experience shine at iO? During a conversation with your future team lead, we’ll discuss interesting opportunities for you in our blended agency.

  • People brainstorming at a table with papers
    Meet the team

    There are many people here who’d love to meet you! Your potential colleagues will join us at the table. And of course, you'll get a full campus tour.

  • Woman sitting on a ball
    Join the team!

    Are we all excited? Congratulations! Go ahead and sign that contract. Together, we'll discuss the practical details and ensure you have everything you need to get started at iO.

FAQ

iO is a blended agency. Our experts in strategy, technology, data, content, creation, and marketing work in blended teams to create unforgettable brand and customer experiences together.

For some roles, an assesment or business case is part of the application process. If so, we’ll of course inform you during our virtual introduction.

All teams are part of a specific campus, but you’re more than welcome to work on other campuses too. You can discuss with your team when and where you’d like to work.

The fact that iO is a blended agency offers numerous benefits for your career path. You will learn and grow thanks to the vast diversity and expertise of your colleagues and the challenging collaborations with our clients. Moreover, you can shape your future yourself. With our extensive training opportunities, development paths, and personal attention, everything is in place for a thriving career.

Apply now

Ready for an exciting career at iO? Apply using this form or through LinkedIn. We’ll contact you soon.

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