Front-end Lead

Senior Consultant

Delivering new digital technology solutions is hard. That is why Gravity 9 was born. We help organisations deliver transformative digital solutions by combining our deep understanding of new and emerging technologies with experience delivering complex enterprise solutions for some of the worlds largest companies. We were born in 2018 and are just getting started.

Role Description

We are looking for a smart, enthusiastic Front-end Lead with a keen interest in current technology and engineering. Using your experience in CSS, React.js & Node.js, you will be involved in the design and implementation of modern front end applications that are transforming industries. You will take an active part in team discussions and code reviews and you will work collaboratively with your colleagues to identify, prioritise and deliver features which bring value to our clients.

We are looking for an experienced lead Front End (UI) Web developer to work as a part of an Agile team. The right individual for this role must have a strong balance of UI coding, design skills and technical expertise.

We believe small, multi-disciplinary teams are most effective in delivering complex change. As such, we are looking for someone with a collaborative mindset who is happy to be flexible and take on different responsibilities over the lifetime of our projects.  

Role requirements and experience

This role will suit a highly capable developer with at least ten years overall experience, including two years working with React.js. Skills and experience must include:

·      Strong proficiency in JavaScript (ES6+)

·      Strong proficiency in CSS

·      Thorough understanding of React.js and its core principles including hooks

·      Experience with popular React.js state management (i.e. MobX, Redux)

·      Awareness of cross-browser compatibility issues and client-side performance considerations

·      Demonstrated design and UX sensibilities

·      Familiarity with RESTful APIs

·      Familiarity with browser api

·      Knowledge of full development life cycle and computer science fundamentals

·      Experience with mentoring other engineers

·      Knowledge of modern authentication mechanisms, such as JWT, OAuth 2.0, OpenId Connect

·      Familiarity with modern front-end tools (eg. webpack, 7pm etc.)

·      Ability to understand business requirements and translate them into technical requirements

·      Experience working directly with UI/UX designers on creating UI

·      Excellent command / highly proficient in spoken and written English (working directly with UK/US based clients)

·      Development methodologies: Familiarity with agile working and test-driven development. Use of Git and JIRA

·      Education:An excellent result in computer science or another STEM subject is preferred, either at MSc or BSc level, but alternative education paths will be considered

Key attributes and behaviours to succeed in this role will be:

·      Delivery focus - strong analysis and problem-solving skills. Ability to evaluate, design and implement effective solutions. Flexibility to adapt skills to a spectrum of client engagements, use cases and modes of change delivery

·      Exemplary standards of personal integrity and respect for others – professional approach to all aspects of client engagement and collaborative team working, able to quickly build relationships based on trust and transparency. Strong presentation and written and verbal communication are essential given the client facing nature of the role

·      Value driven - Creative thinking, with aptitude for innovation and strong desire to exceed client expectations

·       Energy –positive attitude and determination to learn and succeed

·      A desire to work in a fast-paced startup environment

For more information about working at Gravity 9 please go to


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