Senior user interface/javascript developer Work, Jobs in London, England (with Salaries)

Frontend Developer
Sonata One —London
- Hybrid work
- Azure
- Computer Science
- Bachelor's degree
- Annual leave
- Employee assistance programme
4d
Senior Software Engineer I (JavaScript))
RELX —London
- Full-time
- JavaScript
- APIs
- Agile
- Employee assistance programme
- Employee discount
Senior Software Engineer I (JavaScript))
Elsevier —London
- Full-time
- JavaScript
- APIs
- Agile
- Employee assistance programme
- Employee discount
Senior Frontend Developer (3D)
Autodesk —London
- Full-time
- System design
- Maths
- JavaScript
Senior Frontend Developer
Eeze —London
- Hybrid work
- Analysis skills
- JavaScript
- APIs
Senior Front End Web Developer
Palantir —London
- SQL
- JavaScript
- APIs
Quick apply
Front End Developer (with Power Apps experience)
Amber Labs —London
- Hybrid work
- JavaScript
- Agile
- HTML
- Annual leave
- Employee discount
Quick apply
Developer – Global Threat Intelligence (Senior Associate)
Pwc UK —London
- Full-time
- Hybrid work
- Azure
- AWS
- JavaScript
Senior Full Stack Enginer / Web Developer (Real-Time 3D, AI-Native)
NOVΛVERSE —London
- JavaScript
- APIs
- Python
Quick apply
Front End Developer
Solirius Reply —London
- £40,000 - £65,000 a year
- Full-time
- Hybrid work
- Azure
- AWS
- Analysis skills
- Annual leave
- Employee assistance programme
Quick apply
Sr. Front-end Engineer
Galytix —London
- English
- JavaScript
- APIs
Lead Front End Developer JD || Must have UK Government / PS experience
Amber Labs —London
- JavaScript
- APIs
- Agile
- Annual leave
- Employee discount
Quick apply
Senior Full-Stack Developer
Applied Data Science Partners —London
- Hybrid work
- Azure
- SQL
- Analysis skills
- Annual leave
Lead Frontend Engineer
Acre Software —London
- Remote
- JavaScript
- Software development
- In-person
- Annual leave
- Flexible schedule
Senior UX Design Manager
Equifax —London
- Full-time
- Computer Science
- Engineering
- Bachelor's degree
- Sick pay
Senior ETRM Application Developer
Castleton Commodities International —London
- Full-time
- Azure
- Oracle
- Java
- Annual leave
- Employee discount
Senior Front End Software Engineer - Application Development
Palantir Technologies —London
- Full-time
- JavaScript
- APIs
- In-person
- Work from home
Senior Full Stack Engineer - Team Web
Intercom —London
- Hybrid work
- Computer Science
- Engineering
- AWS
- Annual leave
- Work from home
Sr OIC Developer
Indium Software —London
- Oracle
- Java
- JavaScript
Senior Lead Software Engineer - Full Stack ReactJS, Java, Python, AWS, AI/ML
JPMorganChase —London
- Full-time
- System design
- Java
- AWS

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senior user interface/javascript developer jobs near london, england

Frontend Developer

Sonata One
London

Apply Now

Job details

4 days ago

Benefits

Cycle to work scheme
Annual leave
Company pension
Employee assistance programme
Paid volunteer time
Enhanced paternity leave
Life insurance

Qualifications

Azure
Computer Science
CSS
React
Git
Responsive web design
Bachelor's degree
JavaScript
Back-end development
REST
APIs
IT
TypeScript
Communication skills
HTML
Information Technology

Full job description

Sonata One is a rapidly scaling, regulated fund services and technology (fintech) business. We're The Private Funds Clearinghouse, connecting more than 53,000 investors with 6,500 funds and 180 fund managers around the globe. Our vision is to change the paradigm of private markets investing through harmonising the end-to-end investment process within one platform. Investors benefit from a seamless, one & done experience across the fund lifecycle (from fund selection and subscription through to settlement and reporting) underpinned by a globally compliant KYC passport and 24/7 support. Fund managers can raise capital faster at a lower cost from a wider pool of pre-approved investors. Founded in 2015, Sonata One has a presence in eight locations worldwide including the US, UK and Luxembourg, Guernsey, South Africa and Mauritius.

We operate as #OneGlobalThread in line with our values: We challenge the norm, we change the way we think and work, by connecting systems and people, while committing to our vision and each other. We are now looking to recruit an experienced Senior Front End Developer to join our global team.

Position Overview:

As a Frontend Developer, you'll play a key role in building and enhancing modern web applications that deliver exceptional user experiences. Working as part of a collaborative development team, you'll use your expertise in React and modern frontend technologies to develop scalable, responsive, and maintainable applications.

Our technology stack includes React, Next.js, Storybook, Tailwind CSS, and Azure. The frontend communicates with backend services via REST APIs, and you'll have the opportunity to contribute to both existing products and new greenfield projects.

Responsibilities

Develop and maintain high-quality web applications using React, TypeScript, and modern frontend technologies.
Build responsive, accessible, and user-friendly interfaces that perform well across devices and browsers.
Collaborate with backend developers to integrate REST APIs and deliver seamless end-to-end functionality.
Work closely with UI/UX designers, Product Owners, and stakeholders to translate requirements into effective solutions.
Contribute to component libraries and reusable frontend patterns using tools such as Storybook.
Participate in code reviews, ensuring code quality, maintainability, and adherence to development standards.
Write and maintain automated tests to ensure application reliability and robustness.
Troubleshoot, debug, and resolve application issues in a timely manner.
Contribute to continuous improvement initiatives, helping to refine development processes and best practices.
Actively participate in Agile ceremonies, including sprint planning, daily stand-ups, reviews, and retrospectives.

Qualifications

Bachelor's degree in Computer Science, Information Technology, or equivalent commercial experience.
Experience developing web applications using React and TypeScript.
Strong understanding of modern web development fundamentals, including HTML, CSS, and JavaScript.
Experience consuming and integrating REST APIs.
Familiarity with testing frameworks and tools for frontend applications.
Understanding of responsive design principles and cross-browser compatibility.
Experience using version control systems such as Git.
Familiarity with modern build tools, CI/CD pipelines, and cloud-hosted environments.
Strong problem-solving skills and attention to detail.
Excellent communication and collaboration skills.
Exposure to Next.js, Tailwind CSS, Storybook, or similar frontend technologies would be advantageous.
Basic understanding of backend development concepts is desirable.

Being part of Sonata One provides a collaborative and inclusive work culture that values innovation and diversity. We believe in the power of our unique mission, and we all work together towards that one single goal. We also believe in being real. We're not a big corporate. Everyone has an important role to fulfil, and your contribution will be an integral part of our success story.

Benefits:

Life Insurance – Peace of mind for you and your loved ones

Income Protection – Financial support when you need it most

Hybrid Working – Supporting work/Life Balance

Annual Leave – With extra days that grow the longer you're with us

Pension Scheme – Employee matched helping you plan confidently for the future

Employee Assistance Program – Confidential, 24/7 support for life's ups and downs

Enhanced Maternity, Paternity & Adoption Leave – Because family matters

Career Training & Development – Ongoing learning opportunities to help you grow

Paid Volunteering Day – Take time to give back to causes you care about

Cycle to work Scheme – Employees can benefit from significant tax savings on bicycles and cycling equipment

Apply Now

Refine Your Search

senior user interface/javascript developer jobs in london, england

Frontend Developer

Senior Software Engineer I (JavaScript))

Senior Software Engineer I (JavaScript))

Senior Frontend Developer (3D)

Senior Frontend Developer

Senior Front End Web Developer

Front End Developer (with Power Apps experience)

Developer – Global Threat Intelligence (Senior Associate)

Senior Full Stack Enginer / Web Developer (Real-Time 3D, AI-Native)

Front End Developer

Sr. Front-end Engineer

Lead Front End Developer JD || Must have UK Government / PS experience

Senior Full-Stack Developer

Lead Frontend Engineer

Senior UX Design Manager

Senior ETRM Application Developer

Senior Front End Software Engineer - Application Development

Senior Full Stack Engineer - Team Web

Sr OIC Developer

Senior Lead Software Engineer - Full Stack ReactJS, Java, Python, AWS, AI/ML

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