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Senior Web Applications Developer - JavaScript/React/HTML

Adaptive.com

Office

Barcelona

Full Time

We Are:

At Adaptive, we are a financial consulting firm that partners with capital, commodity, and digital market participants. We value differentiation through technology. Our experienced teams design and deliver complex technology solutions using our proven accelerators to create long-term competitive advantage.

Our clients include the world’s leading investment banks, investment managers, fintech and capital market service providers. With offices in London, New York, Barcelona and Montreal, we have a proven track record of delivering powerful, elegant and intuitive trading technology solutions with a global reach. 

We are now looking for a Senior/Junior/Blank  Web REACT developer to join our team and work on ADD SOMETHING ABOUT PROJECT

You Are:

  • A person with a strong desire to raise the bar for your team technically
  • Tenacious, curious, and collaborative in all aspects of your work
  • A quick learner with excellent communication skills

YOU HAVE: (TO CHANGE DEPEDNING ON PROJECT)

  • Extensive knowledge from building application front ends, particulary with React
  • Typescript production experience; A preference for Typescript over Javascript
  • A strong understanding of HTML, CSS, Javascript, the DOM, and how it all comes together in the browser.
  • Practical knowledge of modern web tooling - build tools, package managers, styling engines, web framework landscape, etc.
  • Proficiency with client side debugging tools (Chrome Developer Tools, React Devtools) as a means of improving performance
  • Experience working on front office systems

YOU WILL: (TO CHANGE DEPENDING ON PROJECT)

  • Build greenfield financial applications alongside your Adaptive colleagues
  • Use the latest technology to create elegant and robust solutions
  • Contribute to building and releasing quality software on time
  • Use your knowledge to build great-looking, event-driven and highly interactive interfaces
  • Collaborate with server-side developers, user-experience designers and business analysts
  • Participate in a test-driven, agile environment
  • Keep up to date with the developments in technology and quickly adapt to them to achieve better results

Why Us:

  • To be immersed in high-standard engineering culture. Our fantastic team takes pride in crafting elegant solutions to complex technical problems but also loves sharing their knowledge and helping you grow professionally (we have extraordinary minds at Adaptive) You can learn from anyone here, which is  the beauty of it
  • To take part in the growth and development of a great company
  • Our teams feel free to speak up, make suggestions and raise concerns.
  • Collaborative team environment: we all work together, respect each other, and pitch in
  • Great consideration for work/life balance (highly-flexible, hybrid working model, well-being benefits…). The balance between professional and personal life is extremely important to us.
  • We work hard to provide a positive, collaborative and inclusive culture and to positively impact our staff and local communities through different well-being, diversity and inclusion programmes.

WHAT DO PEOPLE THINK OF US 🗣

You can check our Glassdoor page 🎉

BENEFITS  (What we offer in return // what you’ll get )

We create benefits with YOU in mind.💜 

  • 25 days vacation
  • Ticket restaurant of €11 per working day
  • Pre-tax savings on transport and childcare
  • Wellbeing package to support your health
  • Language classes (English and Spanish)
  • Pension plan with 5% match
  • Private Health Insurance including dental cover

The Process

  • Long interview processes are stressful and boring, and that is not us 😉
  • We want to make sure that everything runs smoothly.
  • So here you will have three stage interviews:

1- A chat with one of our great recruiters.
2- A zoom chat with one of our React developer colleagues where they will ask you detailed questions about your knowledge and your experience
3- A Face to Face interview (either in our office or via Zoom). ​​During this interview, we will dig even deeper, and you will have a pair programming task to do. 

But don’t worry; everything will be explained to you step by step by your recruiter. 

Here is a little tip for you during those stages: 

Collaboration is extremely important to us, so don't hesitate to share your thoughts, ask questions, ask for help if needed, etc 

DIVERSITY AND INCLUSION: 💜

Diversity and inclusion are key to a great workplace, and Adaptive is better when it’s more representative of the world around us. We want everyone to feel comfortable bringing their whole selves to work without any fear of judgment or negativity. 

All we ask is that our colleagues are respectful, collaborative, passionate about what they do, and have the skills needed to be successful in their roles.

Background check: the employment/engagement is subject to an acceptable background check that will be run by Adaptive

Senior Web Applications Developer - JavaScript/React/HTML

Office

Barcelona

Full Time

October 6, 2025

company logo

Adaptive

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