28 Web Application Development jobs in London

Join our team of passionate individuals who strive to be one of the best game studios in

the world. We are currently seeking experienced Web Dev Engineers who can contribute to

our growth. As a fully remote studio with colleagues across the globe, we emphasise clear

communication as much as our technical skills.
 

Companion Group is an AAA co-development gaming studio with a globally distributed and

fully remote setup. It is renowned for its ability to overcome the most intricate challenges in

multiplayer game development and developing reliable multi-player games. We have become

the primary choice for game dev studios aspiring to elevate their latest multiplayer titles,

enabling scalability supporting large numbers of players, maximising player density, and

crafting immersive gameplay experiences. Our portfolio boasts groundbreaking games

developed in collaboration with major studios worldwide.

We firmly believe that bringing together talented and passionate individuals and providing

them with direction, autonomy, and trust creates a truly unique and inspiring work

Environment.

• Create well-designed and tested code using best practices for web
  development, including for responsive design and mobile display

• Incorporate data from back-end databases and services

• Collaborate closely with other technical experts to ensure optimal network performance and seamless integration of multiplayer features. Work across the team to help provide a seamless web experience. Be at the forefront of our web presence and allow users a dynamic and immersive web experience.

• Provide accurate development estimates and comprehensive reporting to support efficient team collaboration across web, backend, and game teams
  

Skills:

• Demonstrate a strong understanding of coding processes, standards, and methodologies

• Possess at least 5 years of professional web development experience, showcasing your expertise

• Showcase your abilities in React, NextJS, TypeScript, MUI and cloud service providers with your successful project history. Ability to work with CI/CD pipelines, PRs, and Web APIs

• Excel in teamwork within a collaborative development environment, contributing to the collective success.

• Embrace a positive and proactive approach, fostering a supportive and inspiring work atmosphere

• Exhibit a genuine passion for continuous learning and growth within a world-class web development team

• Experience in implementing web development workflows and operations using a variety of tools, including Azure DevOps.

• Experience in backend development, preferably with C# and ASP.Net Core.

• Build sites emphasising for reliability, extensibility, site performance, and cost-effectiveness. Profile and optimise code when necessary
  

Rewards:

• Competative salary of £35,000 - £50,000 Per annum.

• Embark on a clearly defined career ladder, enabling you to progress in responsibilities and be rewarded accordingly. We like to grow from within.

• Enjoy the flexibility of a fully remote role, collaborating with top game developers from around the world.

• Join forces with industry leaders who will inspire and guide you on your path to success. Helping you grow and learn is a big part of our DNA
  

Let’s build worlds that inspire and immerse players in the magic of a timeless era. Apply now and become part of one of the best game studios in the world!

Waracle are looking for a Senior Web Developer for an exciting new role joining our world-class digital technology consultancy and home to a diverse, smart, curious and ambitious community of specialists in technology-driven transformation.

We work with ambitious clients to help them solve their biggest business and customer challenges. We help our clients to innovate and create intelligent digital products and services. We thrive on complex challenges and deliver business-critical IT transformation projects, moving seamlessly from strategy, design and delivery to operations.

This role is available on a short term contract (Outside IR35) basis until the end of 2025 and will require some travel to the London office.

We are seeking a highly skilled and motivated Frontend Web Developer to join our development team. The successful candidate will be responsible for translating design mockups and wireframes into high-quality, reusable, and responsive user interfaces. A deep understanding of modern HTML and CSS best practices is essential, as is significant hands-on experience developing using custom components within Adobe Experience Manager (AEM).

Key aspects of the role include:

• Develop and maintain high-performance, responsive, and cross-browser compatible user interfaces using HTML5 and CSS3 (including pre-processors like SASS/LESS).
• Implement pixel-perfect designs from UI/UX mockups, ensuring technical feasibility.
• Work extensively within Adobe Experience Manager (AEM) to implement and style custom AEM components and templates.
• Leverage the AEM Style System effectively to create component variations and manage component styling without code duplication.
• Collaborate closely with Backend Developers and Technical Architects to define component contracts, integration points, and overall frontend strategy.
• Ensure that frontend code adheres to accessibility standards (WCAG) and SEO best practices.
• Optimise application for maximum speed and scalability.
• Actively participate in code reviews to maintain high quality and standards.
• Troubleshoot and resolve bugs and performance issues.

What you'll bring

• Expert Proficiency in HTML & CSS, including advanced layout techniques and responsive design principles.
• Hands on development experience implementing frontend solutions within the AEM ecosystem.
• Direct experience with Adobe Experience Manager (AEM).
• Proven experience implementing and styling custom AEM components.
• Solid understanding and practical experience using the AEM Style System.
• Collaboration: Excellent communication skills with a proven ability to work effectively alongside Backend Developers and Technical Architects in an agile environment.
• JavaScript Fundamentals: Good working knowledge of vanilla JavaScript (ES6+) for interactivity.
• Version Control: Proficient with Git and common development workflows (branching, merging, pull requests).

The recruitment process you can expect for this role is an initial call with your dedicated Talent Acquisition Partner who will chat with you about Waracle, what you are looking for in a new position, the salary for the role, notice period and benefits (the important stuff). After that, you'll be invited to a two-stage interview process where you have an opportunity to find out more about the role and showcase your skills and experience. Your Talent Acquisition Partner will guide you through the whole process to your first day with us.

We are an equal opportunities employer and welcome applications from all suitably qualified persons regardless of their race, gender, disability, religion/belief, sexual orientation or age.

• Develop proficiency in front-end technologies (HTML, CSS, JavaScript).
• Gain experience with modern JavaScript frameworks (e.g., React, Angular, Vue.js).
• Learn back-end development concepts and languages (e.g., Node.js, Python, Ruby).
• Understand database management and SQL.
• Work with version control systems like Git.
• Participate in code reviews and testing procedures.
• Collaborate with team members in a remote, agile environment.
• Contribute to the design and implementation of web applications.
• Develop problem-solving skills and a logical approach to coding challenges.

• A strong passion for technology and web development.
• Basic understanding of programming concepts is beneficial but not essential.
• Excellent communication skills, both written and verbal.
• Ability to work independently and manage your time effectively.
• A proactive attitude and eagerness to learn.
• Minimum of A-Levels or equivalent qualifications in relevant subjects (e.g., IT, Computer Science) or equivalent experience.
• Must be eligible to work in the UK.

• Assist in the development and implementation of web applications.
• Write clean, efficient, and well-documented code under guidance.
• Participate in code reviews and testing procedures.
• Collaborate with team members via digital communication tools.
• Learn and apply new technologies and development best practices.
• Troubleshoot and debug issues in existing applications.
• Contribute to project documentation.
• Engage in learning modules and mentorship sessions.

• A strong interest in web development and software engineering.
• Basic understanding of HTML, CSS, and JavaScript is a plus.
• Excellent communication and teamwork skills.
• Proactive attitude and eagerness to learn.
• Ability to work independently and manage time effectively in a remote setting.
• High school diploma or equivalent.
• Resilience and a commitment to completing the apprenticeship program.

Brandpie is an exciting and dynamic consultancy with a diverse and highly experienced team located across the UK and North America. We are world leaders in purpose-led transformation. Working with some of the world's largest B2B organisations to help them better understand and define their purpose. Our work with companies impacts the way they appear, communicate, operate and engage with their employees and the wider world. We do this through a unique blend of services across brand, culture and experience.

The digital team is an integral part of the wider business, creating digital experiences that activate purpose, embody brand identity, create value, and drive engagement and positive impact for our client’s customers, stakeholders and employees. We achieve this through a combination of strategic thinking, technological smarts and user-centred design approaches. This, combined with world-class knowledge in branding and strategic business direction, makes a highly effective and successful solution for our clients.

We pride ourselves in being a company that works in a smart, friendly, and co-operative way that respects everyone’s time and is understanding of that fact that work, however important, is just one part of your life. Our culture aspires to be creative and nurturing, with open, transparent communication. We’re a diverse and strategic bunch, with a mix of doers and thinkers, and we are looking for someone who’s like-minded and pragmatic to help us deliver great work.

Requirements

As a Senior Web Developer at Brandpie, you will be at the forefront of crafting digital experiences that not only transform organizations but also deeply resonate with their audiences. Your role will be to lead website development projects, serving as a senior technical lead for the digital team Delivering bespoke, world-class web experiences that encapsulate our clients' purpose and brand identity.

On a day-to-day basis, you will work on delivering technical projects within the cross-functional digital team. Developing the technical solutions for website projects but also taking a lead in defining and implementing the best processes and approaches for digital projects. You’ll also provide a senior technical voice for internal and client conversations.  

Alongside client projects and commitments, you will also be expected to help to advance the digital team’s use of innovative technology. Helping drive awareness and insight into these new technologies, tools and solutions that could be beneficial to our team, and to clients.

You will report directly into the CTO and managing partner of digital.

What you’ll do:

• Be the senior developer across the delivery of digital projects. Ensuring the creation of a high-quality solutions within the agreed scope and timelines.
• Act as the technical lead on projects providing technical oversight to the design and creative teams. Ensuring technical considerations are understood and considered early in the project process.
• Help scope the technical aspects of projects, defining functional and technical requirements to align with client and project objectives and design strategy.
• Stay abreast of the latest web technologies and trends, continually enhancing our capabilities and offering to clients.
• Work closely with the (brand) design and consultancy teams. Fostering a collaborative environment that encourages innovation and excellence.
• Collaborate with clients and internal teams to research and define suitable technical solutions based on our core competencies. Including the undertaking of technical requirement interviews with client stakeholders.
• Help to define and implement development and technology processes to make projects more efficient and to support the delivery of high-quality output.
• Support more junior members of the development team, alongside directing any freelance developers.
• Explore new innovations and technologies that could augment, streamline or expand our services or capabilities.
• Support in identifying technical considerations and opportunities in pitches and proposals.

Skills you’ll need:

• Be an expert in developing visually engaging and experience focused modern, responsive web solutions.
• Be highly capable in full-stack web development. With expert-level knowledge of HTML, JavaScript and (S)CSS. You’ll also need experience in developing WordPress solutions, alongside an understanding (and ideally experience) in Tailwind.
• Excellent understanding of creating interactive and animated experiences, that bring motion and feel into the digital experience.
• Able to lead web development projects and small teams, delivering bespoke solutions that meet and exceed client expectations.
• Proficiency in LAMP-based website development, with at least 7+ years of experience.
• Experienced at Git management and deploying solutions through CD style deployments, alongside more legacy approaches such as SSH and SFTP.
• Confident in client engagement, with the ability to communicate complex technical concepts in an understandable manner.
• Have a deep understanding of how to create high-performance, SEO optimized experiences suitable for modern marketing needs.
• Have a creative mindset and be excited by the idea of working on creative projects and the opportunity to develop digital experiences for new brands.
• Experienced in leading technical delivery of projects. Including supporting freelancers, suppliers and more junior technical team members.
• Experienced in using Figma (for accessing design requirements).
• Experienced in delivering a wide range of projects; from small, rapid projects through to large-scale digital projects.
• Have a good understanding of user experience design and typical best practices related to web experiences.
• Understanding of WCAG accessibility levels and best practices.
• Strong problem-solving skills, able to navigate challenging project requirements and find effective solutions.
• Happy using Mac instead of Windows (Mac is our standard OS supported by our IT team)
• Fluent in English with a strong command of the language, both written and spoken.
• Be happy working within a small but growing team. With a can do, pragmatic attitude to getting things done.

Nice to have skills:

• Experience in developing solutions on headless CMS solutions (e.g. Contentful, StoryBlok, Sanity).
• Understanding of headless architecture and experience in developing React + Next.js web applications.
• Previous experience working with B2B brands and projects.
• Any experience in technical application of intranet solutions (e.g. SharePoint, Unily) and Employee Experience Platforms.

APPLICATION REQUIREMENTS

In order to apply for this role, you must be able to clearly demonstrate the following:

• That you have at least 7 years’ experience of architecting and developing technical solutions for large web projects in a consultancy or agency environment.
• That you have acted as a senior technical lead on a range of projects, directing and supporting junior team members also working on the project.
• That you have an excellent eye for translating designs to code. And understand the value of quality user experience and visual creativity.
• That you are able to engage and communicate with a range of non-technical people.

As part of the application and interview process you will be required to:

• Submit a portfolio of at least 3 relevant commercial projects you’ve been involved in as a senior web developer – the portfolio can be in whatever format you prefer (document, website, etc). Please ensure it includes a link to the live website (that you worked on) and information on what your role was.
• Complete a simple online technology skills assessment
• During the first interview you will need to present at least 2 case studies (including sharing of code snippets). Demonstrating your technical approach to the project, your role within the team, the technical aspects you were responsible for, and how you overcame any particularly challenges in the project.
• If successful at your first interview; be willing to meet members of the team in-person in our central London office (exceptions will be considered) for the second interview.
• Provide 2 professional references that can confirm your abilities in the relevant skill areas.

YOUR MINDSET

• Clear communicator:  You have strong communication skills and are comfortable communicating and challenging ideas with clients and colleagues
• Team player:  You love to generate fresh thinking and work with others, whether you are 1-1 or rolling your sleeves up with the broader team, you do your part to contribute to the creation of brilliant ideas and experiences
• Passionate : You are excited and passionate about developing world-class digital experiences and the benefits innovative technologies can offer our clients. Keeping up with the latest trends, new approaches and techniques to enhance our capabilities as a business
• Detail-oriented:  You are able to manage multiple projects at once while maintaining attention to detail with each project.
• A self-starter:  You’re comfortable working in a small team and taking the initiative to help drive projects forward. Even if this sometimes means you need to do something that’s not always expected from your role.

Benefits

At Brandpie we believe supporting and helping everyone to grow as a team and an individual. We help do this through our comprehensive and competitive benefits package we offer:

• Generous reward package:  We provide industry competitive salaries that reflect experience and ability. We also offer additional benefits including medical and life insurance, gym membership contributions and a company pension scheme.
• A competitive holiday package:  You will start with 23 days annual leave, which increases by 1 day per year to a maximum of 28 days. Our business usually closes between Christmas and New Year, providing an additional 3 days leave.
• Wellbeing support:  We believe it’s vital people have time to focus on their wellbeing (both physical and mental). From day one you will be provided with a comprehensive core and mental health cover (currently with Vitality Health), subsidized gym membership, partner rewards and discounts.
• Flexi-time and place: We now operate a fully flexible model. We do not insist that our people are office based and respect everyone’s individual preference. We encourage flexible work patterns and want our people to find a fair work/life balance they are comfortable with.
• Solid technology kit:  On joining you will receive new IT equipment including a laptop (Mac only), peripherals, and an external monitor for your home set-up.
• Personal development: We want you to learn and grow with us. To make sure our people are up to date with our latest work, we do regular Knowledge Share sessions, and we will work with you to create a personal career development plan. We make a commitment that every member of staff has at least 1 day a month dedicated to PD.

OUR COMMITMENT TO EMBRACING DIVERSITY

Brandpie is committed to creating a diverse environment and is proud to be an equal opportunity employer. We recruit, employ, train, reward and promote regardless of race, religion, colour, national origin, sex, disability, age, veteran status, and other protected status as required by applicable law

About ZELP

ZELP is an agricultural technology company committed to creating a sustainable future for agriculture - one that meets the needs of present and future generations, promoting human and environmental health, animal welfare, and social and economic equity.

Our first focus is to develop and scale technology that measures and mitigates methane emissions in the livestock industry. Today, 1.3 billion people rely on the industry for their livelihoods and food security. However, it is the single biggest human-driven source of methane emissions globally, emitting more than both the oil & gas industry and the coal industry.

The deployment of our technologies on a global scale has the potential to drive half the global methane reduction needed by 2030, and to greatly transform the beef and dairy industries.

ZELP was an inaugural winner of the Terra Carta Design Lab, and has received funding and support from the European Commission, Innovate UK, The Global Methane Hub and the Gates Foundation.

About the role

As Head of Software Development, you will oversee the architecture, development, and delivery of all software components, spanning web applications, backend systems, and Machine Learning (ML) infrastructure. You will also be a key partner to the heads of Hardware, Design Engineering, and Animal Science, ensuring software is seamlessly integrated with physical systems, user experience, and domain expertise.

This is a hands-on, strategic leadership role where you'll balance technical depth with people management, guiding your team while collaborating with cross-functional leaders to drive innovation.

Responsibilities

Technical Leadership

• Define, implement, and scale the software architecture across web, backend, and ML systems.
• Maintain strong engineering standards for code quality, security, testing, and deployment.
• Lead key technical initiatives, occasionally contributing code or architecture reviews.
• Drive integration of software with hardware systems, sensors, and data pipelines.

Management & Team Leadership

• Build, lead, and mentor a multidisciplinary engineering team.
• Establish effective workflows for development, QA, deployment, and iteration.
• Foster a collaborative, innovative, and high-performance engineering culture.
• Partner with People/HR in hiring and scaling the team.

Cross-Functional & Strategic

• Collaborate closely with the heads of Hardware, Design Engineering, and Animal Science to ensure end-to-end product integration.
• Translate business and research needs into scalable software solutions.
• Balance speed of delivery with long-term maintainability and scalability.
• Support leadership in communicating technical vision to investors, partners, and stakeholders.

Requirements

• 7+ years of software development experience, with at least 3 in a leadership role.
• Proven expertise in web application development (frontend + backend).
• Hands-on experience with machine learning workflows and/or data-heavy systems.
• Strong understanding of cloud infrastructure and DevOps practices.
• Experience collaborating with cross-functional hardware or science-focused teams.
• Exceptional communication and leadership skills.

Nice-to-Have

• Prior experience in startups or multi-disciplinary product environments.
• Familiarity with MLOps and embedded systems integration.
• Background or interest in scientific/biological domains.

Our Tech Stack (Current & Planned)

• Frontend: React, TypeScript
• Backend: , Pytho,, REST & GraphQL APIs
• Cloud & Infra: AWS (ECS, S3, Lambda), Docker, Cloudformation, Pulumi, CI/CD with GitHub Actions
• ML/AI: PyTorch, TensorFlow, scikit-learn, MLflow for experiment tracking, Zenml for ML pipelines
• Data: PostgreSQL, DynamoDB, data pipelines with Zenml

(We're open to evolving the stack and expect you to influence technical decisions as we scale.)

• Assist senior developers in writing, testing, and debugging code across various programming languages.
• Learn and apply best practices in software development, version control (Git), and agile methodologies.
• Participate in code reviews and contribute to technical discussions.
• Develop and maintain documentation for software projects.
• Collaborate with cross-functional teams to understand project requirements and deliver effective solutions.
• Troubleshoot and resolve software defects and issues.
• Engage in continuous learning to stay updated with emerging technologies and industry trends.
• Contribute to the design and architecture of new software features.
• Perform unit testing and integration testing to ensure code quality.
• Support the deployment and maintenance of applications.

• A strong passion for technology and a desire to learn software development.
• Basic understanding of programming concepts is advantageous but not essential.
• Excellent problem-solving skills and a meticulous attention to detail.
• Strong communication and interpersonal skills, with the ability to work effectively in a remote team.
• Self-motivated and disciplined, with the ability to manage time effectively and meet deadlines.
• Willingness to undertake a structured training program, potentially leading to industry-recognized certifications.
• Eligibility to work in the UK.