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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
Connecting donors directly with individuals expriencing homelessness.

Actively Interviewing
This organisation is scheduling interviews as applications come in. They're ready to hire as soon as they find the right person. Don't miss your opportunity, apply now!
Join our amazing volunteer team to raise awareness of sight loss and RNIB services at local events. You will give talks in person or virtually, sharing your own story to improve understanding of sight loss to local service providers and community groups. You’ll be making a real difference to people living with sight loss by helping to improve accessibility and inclusivity, creating a world without barriers.
What you’ll be doing:
• Giving talks to groups of people to raise awareness of sight loss in your local community by sharing your story to audiences, for example, local businesses, community and voluntary groups.
• Delivering Talks to raise awareness of RNIB services as a trusted source of support for blind and partially sighted people
• Representing RNIB as an Ambassador for the Community Connection service
What you’ll gain from the role:
• An opportunity to give something back.
• A chance to build a strong community.
• A sense of achievement through the difference you make.
• A chance to be part of a team of like-minded people
• An opportunity to develop and explore different roles with RNIB, including our internal job vacancies.
In return for donating your time we will provide:
• A supportive route to building your confidence in presenting and sharing your story with an audience.
• A rewarding experience.
• A great Induction and training.
• A supportive manager.
• Regular updates and catchups.
• Expenses.
• An opportunity to connect with other volunteers.
How often will I be needed?
Key requirements
Location
Region
Additional location information
Currently looking for applicants within the Belfast Area only!
Who this opportunity will suit
Minimum age
What skills and experience are needed?
Actively Interviewing
This organisation is scheduling interviews as applications come in. They're ready to hire as soon as they find the right person. Don't miss your opportunity, apply now!
Join our amazing volunteer team to raise awareness of the issues affecting blind and partially sighted people in relation to sport. You will give talks in person or virtually, sharing your own story to improve understanding of sight loss to sports clubs, sporting venues and facilities and community groups. You’ll be making a real difference to people living with sight loss by helping to improve accessibility and inclusivity, creating a sporting world without barriers.
What you’ll be doing
1. Talks to sports and physical activity providers to support and encourage them to consider the needs of blind and partially sighted people by sharing your story to audiences, for example, local leisure centres, sporting venues and sports clubs.
2. Delivering talks to raise awareness of existing sporting and physical activity opportunities for blind and partially sighted people.
3. Representing RNIB as an Ambassador for the Community Connection service.
What you’ll gain from the role
1. A chance to give something back in an area you are passionate about.
2. A chance to make a difference with a sense of achievement.
3. A chance to build a strong community of sports people with sight loss.
4. A chance to be part of a team of like-minded people, increasing your confidence and skills to talk to groups of people with impact, with an opportunity to develop your role into delivering independently over time.
5. Opportunity to explore different roles within our organisation including our internal recruitment vacancies
In return for donating your time we will support you with:
1. A rewarding role
2. A great Induction and Training, in particular training in public speaking and story telling will be given.
3. A supportive Manager
4. Regular catch-ups
5. Expenses
6. An opportunity to connect with other volunteers
How often will I be needed?
Key requirements
Location
Region
Who this opportunity will suit
Minimum age
What skills and experience are needed?
Actively Interviewing
This organisation is scheduling interviews as applications come in. They're ready to hire as soon as they find the right person. Don't miss your opportunity, apply now!
This Role Builds Strategic Alliances That Multiply Impact
At Tell My Truth and Shame the Devil C.I.C., building sustainable partnerships with businesses and organisations is central to our mission. The Corporate Sponsorship and Partnerships Officer ensures that our vision connects with external supporters who share our values and want to contribute meaningfully to systemic change. You will identify, cultivate, and manage relationships that provide financial support, in-kind contributions, and strategic collaborations, helping the C.I.C thrive while maintaining ethical and values-aligned partnerships. This is not a transactional sales role. It is a strategic, high-impact, and relationship-focused role critical to the C.I.C’s sustainability.
Why This Role Matters
Without this role, potential opportunities for collaboration, funding, and influence could be lost. With it, the CIC can scale its impact ethically and strategically.
Purpose of the Role
This role exists to:
About the role:
To create, manage, and optimise content and communications that engage donors and the community, ensuring consistent messaging, ethical standards, and alignment with campaigns and organisational values.
Experience Qualification and Requirements
Essential / Highly Valued Experience
Desirable / Can Be Developed
Qualifications
Main Responsibilities/ Key Duties
What You Gain
This role builds strategic influence, partnership management, and ethical fundraising skills.
This role is not suitable if you:
Important to Be Clear
Formal qualifications are not required, but desirable.
Essential equivalent experience mandatory.
Next Steps:
Shortlisted applicants will be invited to:
If you believe that well-organised, purposeful events can change communities, and that experiences inspire action, this role is for you.
A Final Word
Partnerships are about values, not logos.
If you know that:
If you’re ready to use your experience to empower others and bring healing to your community, we’d love to hear from you. Upload your CV and/or send a short cover letter explaining why this mission matters to you
The client requests no contact from agencies or media sales.
Actively Interviewing
This organisation is scheduling interviews as applications come in. They're ready to hire as soon as they find the right person. Don't miss your opportunity, apply now!
Join our amazing volunteer team to raise awareness of the issues affecting blind and partially sighted people in relation to sport. You will give talks in person or virtually, sharing your own story to improve understanding of sight loss to sports clubs, sporting venues and facilities and community groups. You’ll be making a real difference to people living with sight loss by helping to improve accessibility and inclusivity, creating a sporting world without barriers.
What you’ll be doing
1. Talks to sports and physical activity providers to support and encourage them to consider the needs of blind and partially sighted people by sharing your story to audiences, for example, local leisure centres, sporting venues and sports clubs.
2. Delivering talks to raise awareness of existing sporting and physical activity opportunities for blind and partially sighted people.
3. Representing RNIB as an Ambassador for the Community Connection service.
What you’ll gain from the role
1. A chance to give something back in an area you are passionate about.
2. A chance to make a difference with a sense of achievement.
3. A chance to build a strong community of sports people with sight loss.
4. A chance to be part of a team of like-minded people, increasing your confidence and skills to talk to groups of people with impact, with an opportunity to develop your role into delivering independently over time.
5. Opportunity to explore different roles within our organisation including our internal recruitment vacancies
In return for donating your time we will support you with:
1. A rewarding role
2. A great Induction and Training, in particular training in public speaking and story telling will be given.
3. A supportive Manager
4. Regular catch-ups
5. Expenses
6. An opportunity to connect with other volunteers
How often will I be needed?
Key requirements
Location
Region
Who this opportunity will suit
Minimum age
What skills and experience are needed?
Actively Interviewing
This organisation is scheduling interviews as applications come in. They're ready to hire as soon as they find the right person. Don't miss your opportunity, apply now!
AtoANI Agriventures
We provide Farming-as-a-Service combining data-driven crop planning, direct distribution, and carbon credit monetization.
Carbon MRV and Climate Finance Specialist
Role Overview
AtoANI Agriventures is looking for a Carbon MRV and Climate Finance Specialist to support the development of frameworks for measuring environmental outcomes from sustainable agriculture initiatives.
This role focuses on research and analytical support related to measurement, reporting, and verification (MRV) systems, environmental impact monitoring, and emerging climate finance mechanisms related to agriculture and nature-based solutions.
The volunteer will assist in reviewing methodologies for environmental monitoring, exploring approaches for quantifying ecosystem benefits from regenerative agriculture, and supporting the preparation of technical documentation and reports.
The role will involve working closely with the project team to help translate environmental data into insights that can support sustainable farming practices and climate-aligned agricultural initiatives.
This role is well suited for individuals interested in carbon markets, climate finance, regenerative agriculture, or environmental impact measurement.
Key Responsibilities
Key Outputs
Volunteer Profile
Minimum Hours per Week:
7-9 hours per week
Duration:
6+ months
We connect professionals with impact startups matching their causes, skills & schedule.
The client requests no contact from agencies or media sales.
Actively Interviewing
This organisation is scheduling interviews as applications come in. They're ready to hire as soon as they find the right person. Don't miss your opportunity, apply now!
betterSoil is a sustainable start-up and a movement that is passionately committed to the health of our earth's soil.
We are currently losing around 10 million hectares of fertile soil worldwide. That's about 14 million football pitches. However, good soils are the source of more than 90% of our food. At the same time, the world's population will grow to 10 billion people by 2050. Food will therefore become scarce, especially high-quality food, as this depends on the quality of the soil. The effects of climate change are worsening the situation of soils because droughts and extreme rainfall are becoming more severe and more frequent. Current farming methods lead to high CO2 emissions, diseased soils produce low-quality food and biodiversity is rapidly declining, as around half of biodiversity lives in the soil.
Since 2020, betterSoil has been involved at European level, e.g. with an event with the EU Parliament and prominent supporters such as Prof. Dr Ernst Ulrich von Weizsäcker, Dr Franz Fischler (Former EU Commissioner for Agriculture) and Dr Peter Johnston (European Policy Centre) in a national and international context to improve soil quality for climate resilience and climate protection as well as the promotion of biodiversity and sustainable food production. Our way of working goes far beyond soil consulting. We combine local, indigenous knowledge with the latest science and offer practice-orientated betterSoil recipes for farmers. We also offer individual consultations for companies and organisations of all kinds. In this way, we create a comprehensive awareness of soil health that helps to position
As Newsletter & Blog Content Manager, you’ll shape how betterSoil communicates with its community and partners. Your work will help us reach more people, strengthen our impact, and showcase how soil can change the world.
Key tasks:
• Write and edit engaging blog posts on soil, climate, and sustainable agriculture.
• Create and manage our monthly newsletter (Mailchimp or similar).
• Translate project updates, research, and events into accessible stories.
• Coordinate a content calendar aligned with campaigns and events.
• Coordination with the social media team
• Assist with press releases or media outreach.
What We’re Looking For
• Strong writing and communication skills.
• Passion for sustainability, agriculture, or climate action (no need to be a soil expert, but a basic understanding of the topic and a genuine interest in learning more are essential.
• Experience with newsletters, blogging, or content management
• Creativity, reliability, and the ability to work independently in a remote team.
What You’ll Gain
• Be part of an international, mission-driven team reimagining soil as the foundation of a sustainable future.
• Build a portfolio of published content on climate and agriculture.
• Learn about soil, regenerative agriculture, and sustainability strategies.
• Contribute flexibly from anywhere in the world .
• Make a tangible difference in a growing social impact initiative.
• Get recognized for your impact – we’ll provide a written confirmation of your volunteer work in climate action.
Commitment: Flexible, part-time volunteer (approx. 7-9 hrs/week ).
Duration: Minimum 1 year (longer preferred with potential for future paid collaboration as the organization grows).
Compensation: Volunteer (impact-driven role).
Minimum Hours per Week:
7-9 hours per week
Duration:
6+ months
We connect professionals with impact startups matching their causes, skills & schedule.
The client requests no contact from agencies or media sales.
Actively Interviewing
This organisation is scheduling interviews as applications come in. They're ready to hire as soon as they find the right person. Don't miss your opportunity, apply now!
The Institute of Physics and Engineering in Medicine (IPEM) is seeking an exceptional individual to join its Board of Trustees as Honorary Secretary, a pivotal governance position at the heart of a respected UK professional body and learned society. As Honorary Secretary, you will contribute at a strategic level, helping to ensure strong governance, supporting effective Board leadership, and shaping the future direction of the charity with real impact across the UK healthcare system. You will work closely with the President, Trustees and CEO, contributing to strategic decision-making and helping to ensure the Board operates effectively and transparently.
IPEM operates as a professional body, a learned society, and a registered charity, working across hospitals, universities, and industry. IPEM is supported by a professional and collaborative staff team, working in partnership with its volunteer community. With over 4,700 members working across healthcare, academia and industry, IPEM plays a critical role in advancing physics and engineering in medicine to improve patient outcomes and transforming lives.
This is an unpaid role, with expenses paid for travel and sustenance for in person meetings. We anticipate a time commitment of no more than 12 days per year. It's essential that you are not a member of IPEM and eligible to become a Trustee. This is a 3 year term, renewable once.
If you would like an informal chat, you can contact IPEM President Mark Knight or CEO Gill Collinson. An information pack and more details about IPEM can be found on our website. To apply for the role, please send your CV and a short cover letter outlining your suitability by 5pm Friday 8th May to Jenny Slack, Operations and Governance Manager.
The client requests no contact from agencies or media sales.
Actively Interviewing
This organisation is scheduling interviews as applications come in. They're ready to hire as soon as they find the right person. Don't miss your opportunity, apply now!
The Ramblers are Britain's biggest and most vibrant walking community. The Area Secretary is a key member of the Sussex leadership team, working with the Chair to ensure the team runs smoothly including managing meeting logistics and communicating with Groups in the Area.
The key responsibilities of the role include:
The Ramblers help everyone, everywhere, enjoy walking and protects the places we all love to walk. By volunteering as Area Secretary you will be paying a vital role in making sure we can achieve this. Running an efficient Sussex Area Ramblers leadership team is critical to the effectiveness of our organisation, and is part of the overall Ramblers governance. The Area Secretary is a pivotal position on the leadership team and ensures that we meet our obligations efficiently and effectively .
The ideal candidate is likely to have a passion for walking and the outdoors and a familiarity with the activities of the Ramblers and of the Sussex Area. The position is suitable for someone who is highly reliable, capable of taking initiative and with a track record of getting things done. You will need to be well-organised, good at building relationships with other members of the leadership team including the Chair, have fluent writing skills and be confident in producing agendas and decision records. You should be computer-literate and preferably have experience of using audio-visual meeting support equipment and desktop publishing software.
The client requests no contact from agencies or media sales.
Using Anonymous Recruitment
This organisation is using Anonymous Recruitment to reduce bias in the first stages of the hiring process. Submit your application as normal and our system will anonymise it for you. Your personal information will be hidden until the recruiter contacts you.
Actively Interviewing
This organisation is scheduling interviews as applications come in. They're ready to hire as soon as they find the right person. Don't miss your opportunity, apply now!
What will you be doing?
Candela is a volunteer-run nonprofit. We're growing our funding base in 2026, and this role is about making that happen. Working alongside our directors, you will have the opportunity to:
Sponsorship and funding:
Partnerships and relationships:
Note: As we're a small team, you'll have real ownership over this area. You can shape the approach based on your own experience and networks.
What are we looking for?
Nice to have: a background in energy, renewables, or sustainability, but this isn't essential. What matters most is your ability to build relationships and secure support.
What difference will you make?
By leading on this, you'll be directly contributing to our goals to:
The client requests no contact from agencies or media sales.
Actively Interviewing
This organisation is scheduling interviews as applications come in. They're ready to hire as soon as they find the right person. Don't miss your opportunity, apply now!
Cystar
We empower people with PCOS through a personalized digital platform for education, care, and community.
Product Data Analyst (FemTech)
Volunteer Opportunity: Product Data Analyst (HealthTech Startup)
We’re building a digital health app to support people with PCOS (Polycystic Ovary Syndrome) through symptom tracking, personalised insights, and educational resources. As we prepare to grow, we’re looking for a volunteer Product Data Analyst to help us turn raw product data and user feedback into meaningful insights.
What you’ll help with
Tools we’re using
Who this role is ideal for
What you’ll gain
Time commitment
If you're interested, do apply.
Let’s build better tools for women’s health together
Minimum Hours per Week:
4-6 hours per week
Duration:
1-2 months
We connect professionals with impact startups matching their causes, skills & schedule.
The client requests no contact from agencies or media sales.
Actively Interviewing
This organisation is scheduling interviews as applications come in. They're ready to hire as soon as they find the right person. Don't miss your opportunity, apply now!
Youth Sustainability Forum
We empower Zambian youth with education, mentorship, and funding to drive SDG-focused solutions.
Grant Writer
Youth Sustainability Forum is seeking a skilled Grant Writer to support our mission to empower young people in Zambia to lead solutions on mental health, climate action, and civic participation. The role will focus on identifying funding opportunities and developing compelling grant proposals to support our programs, including the Youth SDG Summit—Zambia’s largest youth gathering focused on the Sustainable Development Goals.
The volunteer will work closely with our team to translate our impact, vision, and program outcomes into clear, persuasive funding proposals for foundations, development partners, and corporate funders. This role is ideal for someone who understands how to position social impact work strategically and enjoys turning ideas and data into strong narratives that unlock funding.
Through this contribution, you will directly support initiatives that equip and connect young people across Zambia to drive sustainable change, helping expand programs that reach thousands of youth and strengthen the national youth development ecosystem.
Minimum Hours per Week:
4-6 hours per week
Duration:
3-5 months
We connect professionals with impact startups matching their causes, skills & schedule.
The client requests no contact from agencies or media sales.
Our vision is for a more people-powered, affordable and resilient energy system, where communities across the Norwich area play an active part through community ownership, collective action and mutual support.
We provide advice and support to households to help them reduce energy use and move away from fossil fuels; and we work with local people to explore possibilities for a different kind of energy system – whether that’s community-owned renewables, heat networks or shared projects to save energy.
We are looking for someone with significant experience in safeguarding adults to join our board as Safeguarding Lead. Our team provides energy advice home visits, which involves unsupervised contact with people who may be vulnerable. We would like to strengthen our safeguarding expertise at board level to ensure our policies and procedures are adequate, and to enable us to respond effectively if issues arise.
You should have significant experience in safeguarding, either in a professional capacity or from another voluntary role.
In addition to your general responsibilities as a member of the Board, you will:
The client requests no contact from agencies or media sales.
Actively Interviewing
This organisation is scheduling interviews as applications come in. They're ready to hire as soon as they find the right person. Don't miss your opportunity, apply now!
About Bank.Green
Since the Paris Agreement, global banks have poured a staggering $7.9 trillion into the fossil fuel industry. Bank.Green exists to change that.
We build tools that help people understand how their bank finances climate change, and what they can do about it, whether that’s switching to genuinely greener alternatives or pushing their existing bank to improve. To date, our bank-checking tool has been used 500,000+ times globally and has helped influence at least £25 million in customer deposits toward banks financing a cleaner future.
Through transparency, technology, and public engagement, we aim to redefine the role of banks in the climate transition.
The Role
We’re looking for an experienced engineer to act as a technical steward for the Bank.Green website, our primary public-facing platform, working alongside another senior engineer already on the project. Technical decisions are made in a collaborative, consensus-driven way, rather than top-down.
The site is transitioning to Astro, with a React-based frontend, and is deployed via Cloudflare. Content is managed via Prismic as a headless CMS, with data coming from internal GraphQL and REST APIs.
The platform serves roughly 5,000 pages, the majority of which are repeatable, programmatically generated bank profile pages built from shared templates and structured data. As a result, performance, caching, SEO, and build efficiency are key concerns.
This is a hands-on but flexible role, suited to someone who enjoys maintaining and improving real-world infrastructure that thousands of people rely on.
What you’d be working on
Building and shipping new frontend features that improve how users understand and act on bank climate data
Maintaining and improving the Astro/React codebase with a focus on clarity, performance, and long-term maintainability
Improving build performance, caching strategy, and CDN efficiency to keep the site fast and cost-effective at scale
Collaborating on architectural and technical decisions with the other senior engineer
Reviewing and contributing pull requests, and helping establish sensible frontend and deployment patterns
Ways we work
Commitment
This is an unpaid, volunteer role.
What we’re looking for
At Bank.Green, our mission is to shift financial institutions towards greener lending practices by empowering their customers to advocate for change.
The client requests no contact from agencies or media sales.
Actively Interviewing
This organisation is scheduling interviews as applications come in. They're ready to hire as soon as they find the right person. Don't miss your opportunity, apply now!
About Roots Academy.
Roots Academy’s Vision.
A generation of young Muslims who embody and promote a God-centred way of life.
At Roots Academy, we’ve built a learning experience that’s changing the lives of the ummah’s future leaders, change-makers and visionaries. Our Mission is to deliver a structured and transformative education in the Essentials of Islam in a way that lowers barriers to access, develops a deep certainty, and inspires action.
Why Does Roots Academy Exist?
Crisis of Faith: 1 in 4 young Muslims are leaving the religion due to various factors, primarily the pervasive anti-religious content and temptations they encounter online and offline.
Roots Academy exists to bridge this gap by providing a structured and transformative Islamic education that speaks directly to the needs and challenges of young Muslims today, delivered in an engaging and accessible form that removes barriers to access and provokes thought and action.
Role Summary.
We’re looking for a Data Engineer to help build, maintain, and scale Roots Academy’s data infrastructure. You’ll take ownership of key data pipelines, working closely with the data lead and collaborate with teams across Digital Platforms, Marketing, Fundraising, and Operations to ensure our data is reliable, well structured, and useful for decision making. Your work will directly support how we measure student transformation, programme impact, and organisational performance at every level.
Beyond this, you’ll contribute to the design of our data architecture, helping shape how data flows from source systems into the database. You’ll also support management of our GCP environment (e.g. BigQuery datasets, IAM, performance), ensuring the platform remains clean, scalable, and secure as Roots grows.
Key tasks
Design, build and maintain data pipelines (e.g. from Firebase/Firestore, Google Drive/GCS, APIs into BigQuery)
Contribute to Data Architecture design
Manage & optimise datasets, and improve existing workflows (e.g. GitHub Actions, scheduled jobs, transformations)
Support GCP platform management (permissions, dataset structure, service accounts, cost awareness)
Improve documentation, data quality checks, and overall reliability of the data stack
What we’re looking for
Experience with Python, and Data Engineering concepts
Experience with SQL and data modelling concepts
Comfortable using Git and working with structured repositories
Understanding of data pipeline concepts (batch processing, transformations, schema design)
Able to work independently with clear task ownership
Desirable:
Experience with GCP (BigQuery, IAM, Cloud Storage, service accounts)
Familiarity with CI/CD workflows (e.g. GitHub Actions)
Interest in impact measurement or education sector work
What we have to offer
Be part of a team of 100+ dedicated volunteers across the UK, Ireland, Canada, US, UAE and Australia.
Receive continuous rewards for those that seek Islamic knowledge from the Roots platform.
Be a part of a growing organisation that aims to revive and educate Muslims from a grassroots perspective.
Receive in-house tarbiyah sessions to develop your deen.
Please note this is an unpaid volunteer position.
Volunteers are entitled to claim expenses incurred for food, travel and equipment, in line with our Expenses policy.
We teach structured, engaging and transformative face-to-face foundational Islamic education to Young Muslims across the UK and internationally.
The client requests no contact from agencies or media sales.