Developer volunteer roles in London, greater london

Purpose of the role:

We are seeking a Web Developer to help build, improve, and maintain the public-facing and internal web platforms that power our work.

About the role:

As Web Developer, you will be responsible for developing and maintaining web-based systems that support the CIC’s website, membership areas, and digital services. You will help turn organisational needs into functional, secure, and user-friendly web experiences.

Your work will directly affect how people access information, join the community, and use our digital services.

Experience Qualification and Requirements

Formal qualifications is desirable but STRONG experience and passion beats and tops this always.

Main Responsibilities/ Key Duties

· Develop, maintain, and improve web pages and web-based systems that support organisational services and digital operations.

· Build, adapt, and enhance features for both public-facing and member-facing areas of the website.

· Ensure websites are fully responsive across devices and browsers and optimised for usability and clarity.

· Apply accessibility best practices to ensure inclusive access for all users.

· Work closely with designers to implement layouts, styling, and user interface components accurately.

· Collaborate with content teams to ensure content is presented clearly, consistently, and effectively.

· Integrate open-source tools, plugins, or services where required to support organisational needs.

· Support performance optimisation, including page speed, load times, and efficient front-end behaviour.

· Apply basic security practices, including updates, access controls, and secure handling of web assets.

· Test web pages and features thoroughly to identify bugs, broken layouts, or usability issues.

· Fix bugs and make iterative improvements based on feedback and testing results.

· Document technical changes, updates, and development processes clearly for continuity and collaboration.

· Support future platform growth by contributing to new features, pages, and digital services.

· Work within existing digital systems and frameworks while recommending improvements where appropriate.

· Ensure all web systems comply with data protection, GDPR principles, safeguarding requirements, and ethical standards.

· Collaborate with digital, safeguarding, and systems leads to minimise risk when handling user data or sensitive content.

Essential Skills and Experience

· Practical experience in web development or front-end development.

· Strong knowledge of HTML, CSS, and basic JavaScript.

· Experience building responsive and accessible web pages.

· Ability to follow design specifications and implement layouts accurately.

· Experience testing and fixing bugs or layout issues.

· Ability to document work clearly and work collaboratively with non-technical teams.

· Understanding of GDPR principles and secure handling of web content.

· Equivalent professional or voluntary experience accepted.

Desirable Skills and Experience

· Experience working with CMS platforms such as WordPress or similar.

· Familiarity with open-source tools or plugins.

· Experience working in non-profit, CIC, or community-led organisations.

· Basic understanding of performance optimisation and web security.

· Experience supporting ongoing platform development or service expansion.

What This Role Requires:

· Experience or working knowledge of web development.

· Understanding of HTML, CSS, and at least one scripting or backend language (e.g. JavaScript, PHP, or similar).

· Ability to work with open-source frameworks or tools.

· Basic awareness of web accessibility and performance principles.

· Comfort working in a collaborative development environment.

· Willingness to work within safeguarding, ethical, and data protection frameworks.

· formal qualifications is desirable but STRONG experience and passion beats and tops this always.

What This Role Offers You:

· Founding role in a community-owned digital infrastructure project.

· Leadership-level experience in building real-world platforms for social impact.

· Opportunity to develop skills in ethical and open-source web systems.

· Direct contribution to education, membership, and survivor-centred services.

· Experience working alongside designers, educators, and system architects.

· Priority consideration for future paid roles as the C.I.C. becomes financially sustainable.

What This Role Is Not For:

· People only interested in commercial or profit-driven web projects.

· Anyone uncomfortable working with serious or sensitive subject matter.

· Those seeking immediate or guaranteed income.

· Individuals unwilling to document or maintain their work.

· People who prefer not to work within shared systems and standards.

If you believe the web should be a place for access, dignity, and collective power and that open-source technology can support justice and community ownership this role gives you the chance to help build the digital foundations of Tell My Truth and Shame the Devil C.I.C.

Join the Digital Infrastructure Team and help create web platforms that serve people, not profit.

About GHRI

Global Health Reform Initiative (GHRI) is a humanitarian organization focused on improving access to healthcare for underserved and vulnerable communities through digital health solutions, telemedicine support, and community outreach.

In short: tech + health + impact = GHRI.

�� Role Overview

GHRI is looking for a Volunteer Full-Stack Mobile App Developer to help build, improve, and maintain our mobile health applications. This role is critical to delivering digital healthcare support to people who need it most.

✨ Important part: Your code will support real healthcare access, not demo projects collecting dust.

��️ Key Responsibilities

Develop and maintain mobile applications (Android / iOS or cross-platform)

Work on both frontend and backend features

Integrate APIs, databases, and third-party services

Collaborate remotely with designers, admins, and health teams

Help improve app performance, security, and user experience

✅ Requirements

Experience with mobile development (Flutter, React Native, or native Android/iOS)

Backend experience (Node.js, Firebase, Django, or similar)

Understanding of APIs, databases, and authentication

Ability to work independently in a remote team

Passion for using tech to solve real-world health problems

(No need to be a Silicon Valley wizard. Just be solid and reliable.)

�� What You’ll Gain

Real-world experience building a health-focused mobile app

Opportunity to work on impactful digital health solutions

Collaboration with a global humanitarian team

Volunteer certificate and recommendation (where applicable)

Strong portfolio experience (this one actually impresses recruiters)

About Us

StackCIC is a nonprofit organisation dedicated to enhancING technological awareness, provide upskilling opportunities, and assist individuals and charities in leveraging technology for growth. We believe in using technology to amplify our impact, improve accessibility, and better serve our community.

Role Overview

We are looking for a passionate Volunteer Web Developer to support the development, improvement, and maintenance of our website. This role is ideal for someone who wants to use their technical skills for social good, gain real-world experience, and contribute to a meaningful cause.

Key Responsibilities

• Develop, update, and maintain the organisation’s website

• Improve website performance, accessibility, and responsiveness

• Collaborate with non-technical team members to translate needs into web features

• Fix bugs and implement enhancements as needed

• Ensure basic security and best practices are followed

• (Optional) Help with SEO, analytics, or content management improvements

Required Skills & Experience

• Basic to intermediate experience with:

  • HTML, CSS, and JavaScript

  • At least one framework or CMS (e.g. WordPress, React, Vue, etc.)

• Understanding of responsive design and cross-browser compatibility

• Ability to work independently and communicate clearly

• A willingness to learn and contribute positively to a nonprofit environment

Nice to Have (Not Required)

• Experience with accessibility standards (WCAG)

• Familiarity with hosting platforms (e.g. Netlify, Vercel, AWS, etc.)

• UI/UX sensibility

• Prior volunteer or nonprofit experience

What You’ll Gain

• Hands-on experience working on a real production website

• The opportunity to make a tangible social impact

• A reference or recommendation upon successful contribution

• Portfolio material and professional development

• Flexible schedule and a supportive, mission-driven team

We’re looking for full stack developers to help us create a ground-breaking web app that promotes sustainable living and climate action.

You will play a major role in:

• developing the server-side logic;
• ensuring high performance and responsiveness;
• ensuring front-end optimization;
• designing and maintaining database schemas.  

What are we looking for?

Three years web development experience with working knowledge of Python and, preferably Django framework.  Ability to:

• Write clean, efficient, and maintainable code that powers the application's back-end logic;
• Integrate user-facing elements;
• Optimize components for maximum performance & scalability;
• Build & maintain reusable component libraries to ensure consistency.

Preferably with PWA experience. 

What difference will you make?

You will play a key role in delivering this innovative app and in ensuring it reduces carbon footprints, and, inspires and enables sustainable action across the population.

You will be at the forefront of bringing climate action into people’s homes across the UK, making sustainable living accessible and appealing to everyone – and driving real environmental impact.

We’re looking for frontend a web developer to help us create a groundbreaking web app that promotes sustainable living.

You will play a major role in implementing a series of design upgrades to improve the UX and ensure accessibility, browser compatibility and web standards. Your main task will be to convert design ideas into responsive HTML/CSS components.

What are we looking for?

UK based developers with experience of translating design files into clean, semantic HTML/CSS code and establishing component-based architecture. Ability to:

• Convert design mockups/wireframes into responsive HTML/CSS components;
• Build & maintain reusable component libraries to ensure consistency
• Collaborate with designers & developers to translate visual designs into functional code;
• Optimize components for maximum performance & scalability.

What difference will you make?

You will play a key role in delivering this groundbreaking app and in ensuring it reduces carbon footprints, and inspires and enables sustainable action across the population.

You will be at the forefront of bringing climate action into people’s homes across the UK, making sustainable living accessible and appealing to everyone – and driving real environmental impact.

Unify is building a social impact platform that helps get direct, practical support to people who need it most — with dignity, transparency, and real-world usability at the core.

We’re looking for a Senior Developer / Tech Lead (Volunteer) to guide the build, unblock the team, and help us ship a solid, scalable product. This is a light commitment (2–5 hours per week), but a high-leverage role: you’ll be working closely alongside the founders and our Product Manager.

What you’ll do (2–5 hrs/week)

• Lead engineering direction: keep the build clean, pragmatic, and shippable.

• Review PRs and raise code quality (architecture, security, performance, maintainability).

• Help prioritise technical work with the founders + Product Manager.

• Support and mentor a small volunteer/dev team (light-touch guidance, not heavy management).

• Set up or improve engineering foundations (CI/CD, environments, observability, release process).

• Identify risk early (security, data handling, scalability) and propose solutions.

What we’re building

• A production product with real users and real-world constraints.

• A platform where trust, safety, and reliability matter as much as features.

Tech stack

MERN stack

• MongoDB (database)

• Express.js (backend framework)

• React (frontend)

• Node.js (runtime / API layer)

What we’re looking for

• Senior-level software engineering experience (ideally with leading small teams or acting as tech lead).

• Strong product sense: you can balance “build it right” with “ship it”.

• Comfortable in ambiguous, early-stage environments.

• Solid judgement around security, data handling, and best practices.

• A collaborative communicator who can keep things calm and moving.

Nice to have (not required)

• Experience with marketplaces, payments, identity/verification flows, or credit/voucher systems.

• Experience setting up CI/CD, testing strategy, and deployment pipelines for MERN apps.

• Previous work in startups, charities, civic tech, or social impact.

Why join (and what you’ll get)

• Real ownership and influence — your decisions shape the product.

• Work directly with the founders + Product Manager.

• A mission-led build where shipping matters and the work is tangible.

• Flexibility: async-first, lightweight weekly rhythm.

Time + format

• Volunteer: 2–5 hours per week

• Remote / hybrid (where relevant)

• Async-first with a short weekly check-in

Interested?
Send a short note with your background + links (GitHub/LinkedIn/portfolio) and we’ll set up a quick chat