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Frontend Developer (react.js)


Company Introduction

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Orthogonality aims to improve an organisation’s position or profile by helping to solve problems, manage change and improve efficiency.

Be part of our exciting and agile team to help our prestigious clients be ahead of their competitors by analyzing and building high-quality applications and platforms for them. You will be working on the frontend of the applications that clients need. You are a master that brings important details to perfection.

Job Description

We are looking for a great JavaScript/Typescript and React.js developer. Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (such as Context). You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working with different stakeholders. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality products are important.


  • Developing new user-facing features using React.js
  • Building reusable components and front-end libraries for future use
  • Translating designs and wireframes into high-quality code
  • Optimizing components for maximum performance across a vast array of web-capable devices and browsers
  • Identify the potential risks while developing a platform and make sure that these risks will be addressed first
  • Collaborate with client’s in-house development team
  • Unit-test for robustness, edge cases, usability, reliability

Who you are

Bachelor’s and/or Master’s degree in computer science, engineering or related subject is preferred. Verbal and written technical communication is needed. You should be experienced with the technologies and concepts below:

  • Experience with JavaScript, including DOM manipulation and the JavaScript object model
  • Understanding of React.js, its core principles, and best practices
  • Familiarity with newer specifications of EcmaScript (ES6)
  • Familiarity with RESTful APIs
  • Familiarity with modern front-end build pipelines and tools
  • Experience with common front-end development tools such as Babel, NPM, etc.
  • Ability to understand business requirements and translate them into technical requirements
  • A knack for benchmarking and optimization
  • Familiarity with Git version control

You’ve got more?

  • Experience with popular React.js workflows (such as Redux or Context)
  • Experience with CI/CD

Why us?

We are welcoming so you feel valued as an individual:

  • Everyone is welcoming and approachable
  • We will be polite, courteous and friendly
  • Seeking and giving feedback is important to us

We are kind so you can feel cared for:

  • Kindness and understanding are central to our way of working
  • We value and appreciate one another

We are positive so you can feel supported and included:

  • We have a positive, encouraging ‘can do’ attitude
  • You will get clear explanations and information
  • We involve people as equals
  • By sharing ideas, choices and decisions we achieve more together
  • You will find us supportive and flexible

We are respectful so you can feel listened to and heard:

  • We promise to listen and to hear
  • We make time for people
  • We aim to be reliable and trustworthy
  • We work as a team with openness and honesty

We are professional so you can feel confident:

  • Our service will be consistent, efficient and well organised
  • We expect professionalism and accountability
  • We aim high to implement creative solutions
  • Everyone here is interested in improving and learning

What we are offering

  • Highly competitive salary
  • Working with top clients
  • Working with an experienced team
  • 21 days annual leave
  • Career path definition and training budget

Apply for this Job

Send us an email with your CV at and let’s have a chat

Orthogonality is based in UK and Greece.
GET IN TOUCHOrthogonality's Social links
Join our community and start your journey!
Orthogonality is based in UK and Greece.
GET IN TOUCHSocial links
Join our community and start your journey!

© 2022 Orthogonality Ltd // Company Number: 11115046

© 2020 Orthogonality Ltd // Company Number: 11115046