Senior online developer tech team Work, Jobs in London, Eng (with Salaries)

Senior Frontend Developer (React / TypeScript)
Mixam —Leavesden Green
- £65,000 - £75,000 a year
- Full-time
- Hybrid work
- Java
- JavaScript
- APIs
Quick apply
Software Engineer
Secret Intelligence Service —London
- £64,005 - £70,791 a year
- Full-time
- Remote
- Azure
- Oracle
- Java
- Annual leave
Site Reliability Engineer (EU/UK Based - Remote)
Duvo Inc —London
- £110,000 - £250,000 a year
- Full-time
- Remote
- System design
- APIs
- AI
Software Engineer, Mid/Senior (m/f/*)
Quaisr —London
- £60,000 - £85,000 a year
- Full-time
- Hybrid work
- Azure
- DevOps
- AWS
- Annual leave
Technical Lead, Developer Experience
Ably —London
- Remote
- JavaScript
- APIs
- Leadership
- Annual leave
Senior Software Engineer
ANNA —London
- Remote
- Java
- Master's degree
- AWS
- Employee assistance programme
- Employee discount
12d
Senior Growth Marketing
Photoroom —London
- £70,000 - £90,000 a year
- Full-time
- APIs
- Annual leave
- Flexible schedule
Senior Developer (Python)
Allwyn UK —Watford
- Azure
- Java
- AWS
- Annual leave
- Employee assistance programme
Senior Developer Experience Writer
Ably —London
- Remote
- JavaScript
- APIs
- AI
- Annual leave
Senior Automation Engineer
BigHand —London
- Hybrid work
- Azure
- SQL
- Mentoring
Solution Digital Architect, Senior Manager - Digital Banking Solutions, Operation Industry & Domain Solutions, Technology & Transformation
Deloitte —London
- Hybrid work
- Azure
- PMP
- AWS
Senior Front End Engineer (Docs)
Proton AG —London
- JavaScript
- APIs
- Leadership
Senior Finance Analyst
Ably —London
- Remote
- IT
- AI
- Communication skills
- Annual leave
3d
Information Security Analyst
Checkout.com —London
- Full-time
- Hybrid work
- Azure
- Master's degree
- AWS
Quick apply
6d
Senior Marketing Manager - Subscriptions
Haymarket Media Group —London
- £45,000 - £50,000 a year
- Hybrid work
- Leadership
- Marketing
- Flexible schedule
13d
Digital Comms & Content Manager
Multiverse —London
- Full-time
- Hybrid work
- Gym membership
- Life insurance
Quick apply
Developer Relations Manager
Ably —London
- Remote
- Master's degree
- APIs
- AI
- Annual leave
Senior Application Security Engineer
Our Future Health —London
- From £70,000 a year
- Full-time
- Hybrid work
- Azure
- APIs
- Agile
- Employee assistance programme
- Referral programme
Quick apply
Senior Mobile Engineer
Checkout.com —London
- Full-time
- Hybrid work
- APIs
- Communication skills
Quick apply
Strategic Accounts, Business Developer
Checkout.com —London
- Full-time
- Hybrid work
- Sales
- English
- Communication skills
Quick apply

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senior online developer tech team jobs near london, eng

Senior Frontend Developer (React / TypeScript)

Mixam
Leavesden Green

Quick apply

Job details

Full-time
£65,000 - £75,000 a year

Qualifications

Spring Boot
Node.js
CSS
Bootstrap
React
Git
Responsive web design
Java
JavaScript
Back-end development
REST
Scrum
APIs
Agile
TypeScript
Communication skills
Spring framework
HTML

Full job description

At Mixam, we’re more than just a printing company, we’re the place where creativity meets cutting-edge technology. Headquartered in Watford, with offices in the UK, US, Canada, Australia, Europe, Philippines and Japan, we’re a fast-growing, privately held tech-forward print business founded in 2007, offering customisable, high-quality print services from zines and comic books to packaging, business cards and hardcover books for creators and brands across the globe.

Our mission? To make print easy, accessible and inspiring, whether that’s for authors wanting perfect-bound books or retailers seeking eco-conscious, tailored solutions. We combine advanced printing tech, user-friendly online tools, sustainable materials and exceptional service to help our customers bring their ideas to life swiftly and beautifully.

Join a team where your work matters, where collaboration and growth are part of the daily rhythm, and where you’ll play an active role in redefining & innovating print for the digital age.

About the role:

We’re looking for a Senior Frontend Developer to lead the development of modern, scalable web applications. You’ll play a key role in shaping frontend architecture, integrating with backend services, and delivering high-quality user experiences. This role suits someone who is comfortable working across the stack when needed and thrives in a fast-paced, agile environment.

Key Responsibilities:

Build and maintain high-quality, performant web applications using React, TypeScript, and modern JavaScript
Design and implement reusable, scalable frontend components and architecture
Integrate with REST APIs and backend services, ensuring robust data handling and error management
Collaborate closely with backend developers, designers, and product teams
Occasionally contribute to backend development (e.g., creating or extending APIs)
Manage multiple tasks and priorities in an agile, sprint-based workflow
Write clean, maintainable, and well-tested code
Participate in code reviews and contribute to best practices and technical standards

Requirements

Required Qualifications

Strong proficiency in React, TypeScript, and modern JavaScript (ES6+)
Solid understanding of frontend tools and workflows, including Node.js, npm, and Webpack
Experience integrating with and consuming RESTful APIs
Proficient in HTML5, CSS3, and responsive design best practices
Experience with styling frameworks such as Styled Components and/or Bootstrap 5
Strong problem-solving skills with keen attention to detail
Ability to manage multiple priorities and switch contexts effectively
Experience working in Agile/Scrum environments

Preferred Qualifications

Exposure to Java (Spring Boot) and backend API development
Full-stack mindset with the ability to contribute beyond the frontend when needed
Experience with performance optimisation and frontend architecture at scale
Experienced using git

Working Style

Self-driven and proactive
Comfortable balancing multiple priorities
Strong communicator who can collaborate across disciplines
Pragmatic approach to problem-solving and delivery

Benefits

Why Join Us?

This is your chance to be part of something new and exciting - helping to establish Mixam in Japan while being backed by an experienced, supportive international team. You’ll play a key role in shaping how we support our Japanese customers and, as the team grows, you’ll have the opportunity to grow with it. Make this section something tailored to the role.

Equality, Diversity & Inclusion:

At Mixam, diversity, equity and inclusion are at the heart of who we are, and we welcome applications from people of all backgrounds. We know few people meet every requirement, so if you’re excited about this role, we’d love to hear from you and we’ll consider your overall experience and potential. We’re also committed to minimising our environmental impact and creating a workplace where everyone feels valued and supported.

Mixam. The Smart Way to be Hired.

Quick apply

Refine Your Search

senior online developer tech team jobs in london, eng

Senior Frontend Developer (React / TypeScript)

Software Engineer

Site Reliability Engineer (EU/UK Based - Remote)

Software Engineer, Mid/Senior (m/f/*)

Technical Lead, Developer Experience

Senior Software Engineer

Senior Growth Marketing

Senior Developer (Python)

Senior Developer Experience Writer

Senior Automation Engineer

Solution Digital Architect, Senior Manager - Digital Banking Solutions, Operation Industry & Domain Solutions, Technology & Transformation

Senior Front End Engineer (Docs)

Senior Finance Analyst

Information Security Analyst

Senior Marketing Manager - Subscriptions

Digital Comms & Content Manager

Developer Relations Manager

Senior Application Security Engineer

Senior Mobile Engineer

Strategic Accounts, Business Developer

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