Front End Developer

IBM Computing; Greater London; On-site; GBP 50,000 - 70,000; Full time

Job summary

A leading technology firm in Greater London is seeking an experienced Front-End Developer to create modern, responsive user interfaces. You will work with technologies like JavaScript, HTML5, and CSS3, utilizing frameworks such as React and Vue.js. Collaborate with multi-disciplinary teams to enhance user experiences and participate in the development of applications. The ideal candidate will have a strong debugging and testing background, ensuring accessible designs that meet best practices. This role supports career growth through various programs and benefits.

Benefits

Diversity & Inclusion initiatives

Training opportunities

25 days holiday plus public holidays

Private medical, dental & optical cover

Employee Assistance Program

Qualifications

• Strong JavaScript, HTML5, CSS3 development experience.
• Experience with modern frameworks (React, Vue.js, Next.js).
• Understanding of responsive design, accessibility, and usability best practices.

Responsibilities

• Develop high–quality, responsive and accessible front–end interfaces using modern JavaScript frameworks.
• Collaborate with designers, backend engineers, QA, DevOps, and other team members.
• Conduct testing, debugging and performance optimisation.

Skills

JavaScript

HTML5

CSS3

React

Vue.js

Accessibility best practices

Debugging

Testing

Git

Responsive design

Job description

Introduction

At IBM CIC, we provide technical and industry expertise to a wide range of public and private sector clients in the UK.

A career in IBM CIC means you'll have the opportunity to work with leading professionals across multiple industries to improve the hybrid cloud and AI journey for the most innovative and valuable companies in the world. You will get the chance to deliver effective solutions, driving meaningful business change for our clients, using some of the latest technology platforms.

Curiosity and a constant quest for knowledge serve as the foundation to success here. You'll be encouraged and supported to constantly reinvent yourself, focusing on skills in demand in an ever changing market. You'll be working with diverse teams, coming up with creative solutions which impact a wide network of clients, who may be at their site or one of our CIC or IBM locations. Our culture of evolution centres on long‑term career growth and development opportunities in an environment that embraces your unique skills and experience.

We offer:

• Many training opportunities from classroom to e‑learning, mentoring and coaching programs and the chance to gain industry recognised certifications
• Regular and frequent promotion opportunities to ensure you can drive and develop your career with us
• Feedback and checkpoints throughout the year
• Diversity & Inclusion as an essential and authentic component of our culture through our policies and process as well as our Employee Champion teams and support networks
• A culture where your ideas for growth and innovation are always welcome
• Internal recognition programs for peer‑to‑peer appreciation as well as from manager to employees
• Tools and policies to support your work‑life balance from flexible working approaches, sabbatical programs, paid paternity leave, maternity leave and an innovative maternity returners scheme
• More traditional benefits, such as 25 days holiday (in addition to public holidays), private medical, dental & optical cover, online shopping discounts, an Employee Assistance Program, life assurance and a group personal pension plan of an additional 5% of your base salary paid by us monthly to save for your future.

Your role and responsibilities

We are looking for a Front‑End Developer to build modern, responsive and accessible user interfaces using JavaScript, HTML5, CSS3 and frameworks like React, Angular or Vue.js. You will translate UI/UX designs into high quality experiences, collaborate with designers and backend teams, and contribute to clean, maintainable code. If you enjoy creating intuitive, user‑focused front‑end applications and working with modern web technologies, we’d love to hear from you.

Key Responsibilities

• Develop high‑quality, responsive and accessible front‑end interfaces using modern JavaScript frameworks.
• Translate UI/UX designs into functional user experiences, ensuring cross‑browser compatibility and adherence to brand and design guidelines.
• Collaborate with designers, backend engineers, QA, DevOps and other team members to deliver end‑to‑end solutions.
• Build reusable components, UI patterns and maintain clean, well‑structured code.
• Conduct testing, debugging and performance optimisation to ensure a smooth user experience.
• Participate in requirements analysis, providing front‑end input to design and solution discussions.
• Contribute to CI/CD processes and version control workflows using Git‑based tooling.
• Stay current with emerging front‑end technologies and apply them appropriately.
• Depending on experience:
• Lead front‑end development on complex projects and define architecture and coding standards.
• Guide development workflows, testing strategies and release processes.
• Mentor junior and mid‑level developers and support their technical and consulting development.
• Communicate technical decisions, trade‑offs and solution approaches to stakeholders and clients.
• Influence planning, technical strategy or account‑level delivery decisions.

Required technical and professional expertise

• Strong JavaScript, HTML5, CSS3 development
• Experience with modern frameworks (React, Vue.js, Next.js)
• Understanding of responsive design, accessibility and usability best practices
• Experience with component libraries, design systems and UI/UX collaboration
• Strong debugging, testing and performance optimisation skills
• Experience with Git and Git‑based workflows
• Understanding of API integration and backend collaboration
• Knowledge of front‑end testing (unit, integration, E2E)
• Familiarity with CI/CD and DevOps workflows
• Strong communication and problem‑solving ability
• Optional depending on level:
• Experience leading teams or acting as technical lead
• Experience defining architecture, standards or best practices
• Understanding of cloud‑native environments (AWS, Azure)
• Exposure to Node.js or Next.js server‑side concepts
• Consulting or client‑facing experience

This role is subject to pre‑employment screening in line with the UK Government’s Baseline Personnel Security Standard (BPSS). An additional range of Personal Security Controls referred to as National Security Vetting (NVS) may apply, this could include meeting the eligibility requirements for The Security Check (SC) or Developed Vetting (DV).

IBM is committed to creating a diverse environment and is proud to be an equal‑opportunity employer. All qualified applicants will receive consideration for employment without regard to race, colour, religion, sex, gender, gender identity or expression, sexual orientation, national origin, caste, genetics, pregnancy, disability, neurodivergence, age, veteran status or other characteristics. IBM is also committed to compliance with all fair employment practices regarding citizenship and immigration status.