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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!
Senior Software Engineer (AI/ML)
Remote (UK-based) | Full-time | Flexible working | salary £82,409 + benefits including 4.5-day week and 11% employer pension
Do your best work, for the right reasons.
We're looking for a Senior Software Engineer (AI/ML) to help us build beautifully simple, high-impact digital products that support teachers and improve outcomes for pupils across the UK.
Oak is a fully remote, mission-driven organisation offering high levels of flexibility, autonomy, and purpose. We're a national not-for-profit working in partnership with teachers to create the highest-quality, sequenced curriculum and lesson resources for pupils across all subjects and age groups.
Our culture has been independently recognised through:
Flexa verified (93% overall score, including 95% for working hours and 97% for role modelling)
Escape the City's Top 1% Employers – based on anonymous colleague reviews of culture, development, and impact
Investors in People Gold - through external accreditation and colleague feedback
💡 About the Role
We are looking for an experienced Senior Software Engineer (AI/ML) to join our AI Platform team.
Oak's AI Platform team builds and maintains our core AI infrastructure, including shared services, prompt libraries and reusable pipelines. This is essential in enabling our product squads to deliver safe, effective and scalable AI features that support teachers and pupils across the UK.
You'll take a leading role in shaping Oak's AI Platform, contributing towards the technical direction for reliable, safe and scalable AI capabilities. You'll work with product squads to turn ambiguous problems into robust solutions, provide technical guidance and mentorship to engineers, and help establish the patterns, tooling and standards that enable responsible AI delivery across Oak.
You'll work across the boundary between machine learning and software engineering: taking the same ownership of production reliability, testing and developer experience as other senior engineers on the team, while keeping safety and responsible AI at the centre of what you build.
In this role, you may work on:
Enhancing Retrieval-Augmented Generation (RAG) pipelines, including context chunking, prompt construction and implementing strategies to improve relevance and accuracy.
Optimising embedding and vector similarity systems through semantic search, clustering, filtering logic and dimensionality reduction techniques.
Supporting model evaluation and safety tooling, such as automated test harnesses, hallucination detection, content moderation and input guardrails.
Contributing to model fine-tuning, prompting and deployment, with a focus on balancing performance, accuracy and cost-effectiveness.
🔧 What You'll Be Doing
Lead the continuous improvement of Oak's machine learning models and systems, from prototype through to production at scale.
Develop and maintain highly performant ed-tech applications that are secure, scalable, highly available and accessible to the widest number of users, meeting Government Digital Service standards.
Be an expert authority within the engineering team on the architecture, code base and AI/ML best practices, providing mentorship to less experienced colleagues.
Design and coordinate the integration of AI/ML models with existing Oak systems, ensuring robust model serving and end-to-end testing.
Take responsibility for the operation and reliability of production services you build — monitoring performance, resolving issues, and addressing capacity constraints before they affect users.
Lead the implementation of new processes or tools that improve the user or developer experience.
As a member of the Oak team, contribute to the planning and culture of the organisation.
Work in cross-functional and product-oriented squads with colleagues from across the organisation, as required.
Deputise for more senior colleagues and take on other general responsibilities as required.
🌱 What We're Looking For
5+ years' experience leading the continuous improvement of machine learning models and systems in production, alongside significant experience architecting and building high-performing web applications with modern JavaScript libraries and tools.
Extensive knowledge of machine learning frameworks and cloud-based machine learning tools, with experience moving models from development to production.
Understanding of machine learning ethics, fairness frameworks and responsible AI principles, including bias detection and privacy-preserving data practices.
Experience building evaluation frameworks and automated test harnesses for AI/ML systems from scratch. Including techniques for detecting hallucinations, measuring output quality, and monitoring model performance and safety in production.
Proven experience proposing and implementing new processes or tools that improve developer experience and lead to higher quality products.
Experience collaborating with product teams to lead the development of high-quality, high-impact products, with great communication and collaborative skills.
💛 Our Benefits
25 days annual leave, plus one extra day for each year of service (up to 28)
Additional Oak closure days over Christmas/New Year
11% employer pension contribution (with no minimum employee contribution)
A 36-hour working week, with half-days on Fridays or every other Friday off
Fully remote working — we'll support your home set-up and offer coworking options if preferred
Twice-yearly in-person offsites to collaborate, connect, and have fun
A culture that genuinely supports flexibility, autonomy, and trust
🌈 Inclusion and Belonging
We believe diverse teams build better products. We warmly welcome applicants from all backgrounds, particularly those who are underrepresented in the tech and education sectors.
If you're from an underrepresented group, there's a good chance you're discounting yourself before you've even started. That's more common than you'd think, and it means we may miss out on brilliant people. If you're excited by this role but don't meet every requirement, please apply anyway.
We use the Applied platform to help reduce bias in our hiring process. Answers are anonymised and reviewed by a panel of humans.
📌 Key Info
Location: Remote, but you must be based in the UK with the legal right to work here
Sponsorship: Unfortunately, we're unable to offer visa sponsorship at this time
Closing date: We'll be reviewing applications as they come in and may close the role early
If this sounds like the kind of role and team where you could do your life's best work, we'd love to hear from you.
Next steps
You'll answer a few admin questions and some questions related to your day-to-day job. Your answers will go through our sift process: all answers will be anonymised, randomised, and then reviewed by a panel of reviewers (real humans), so it's your thinking that gets assessed, not your CV.
If you're shortlisted, we'll invite you to interview across three stages. We're aiming to start interviews the week beginning 17th August 2026.
Stage 1: An introductory call to learn more about your skills and experience, and a chance for you to ask us about the role. This takes about 30 minutes.
Stage 2: A technical interview over Zoom, combining a hands-on pairing session or technical walk-through, followed by some technical interview questions. This takes around two hours.
Stage 3: A collaboration interview, focused on how you work with both engineering and non-engineering colleagues. This takes about 1 hour.
We love giving feedback, so at the end of the application process, we'll share our assessment of your performance.
We are receiving excellent responses to our job advertisements. This may lead us to close the role early, so if you are considering applying, don't leave it too long to avoid missing out.
We are an equal opportunity employer.
We are committed to a policy of Equal Employment Opportunity and are determined to ensure that no applicant or employee receives less favourable treatment on the grounds of gender, age, disability, religion, belief, sexual orientation, marital status, or race, or is disadvantaged by conditions or requirements which cannot be shown to be justifiable.
The client requests no contact from agencies or media sales.
The Southmead Project is seeking an experienced and motivated Fundraiser to support the charity’s long-term financial sustainability.
The postholder will identify, research and secure funding from trusts, foundations, charitable bodies, statutory funders and other appropriate sources. They will lead on developing high-quality, persuasive funding applications and reports that clearly communicate the impact of the Southmead Project’s work and the needs of the people it supports.
Working closely with the CEO, Head of Finance and trustees, the Fundraiser will develop and deliver an annual fundraising plan, maintain a strong funding pipeline, and support the organisation to diversify its income. The role will require excellent writing, research, relationship-building and organisational skills, alongside a strong commitment to the charity’s values and mission.
Develop an annual fundraising plan, alongside the Head of Finance and CEO.
Carry out ongoing prospect research to identify new sources of funding from trusts, foundations, charitable bodies, statutory funders and other appropriate sources.
Maintain a fundraising pipeline, ensuring that opportunities, deadlines, applications and reporting requirements are monitored effectively.
Build and maintain a database of prospective and current funders, including key contacts, deadlines, funding priorities and application requirements.
Monitor relevant local, regional and national funding opportunities, including being a sponsored charity at community events.
Produce funding applications for trusts, charities, foundations and statutory bodies as an ongoing part of the charity’s income generation.
Analyse data and feedback collected through outcomes processes for report writing.
Build and maintain positive relationships with funders, partners and relevant stakeholders, including the corporate sector as part of the charity’s income diversification strategy.
Attend monthly meetings with the Senior Leadership Team and trustee meetings as required.
To work within the framework, spirit and ethos of the Southmead Project’s Equal Opportunities Policy, and actively engage in promoting the policy within the charity and in all dealings with clients and other agencies.
To follow the Southmead Project policies, procedures and professional code of conduct as outlined in the Team Handbook.
All members of staff, paid and unpaid, are required to undergo the enhanced level of Disclosure and Barring Service check.
Please see job description for full details.
Meaningful therapeutic support accessible for adults impacted by abuse and addiction. A safe space for growth, connection and wellbeing for all.

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.
An exciting opportunity to join the team as a Bar and Catering Assistant to work in the Engine Shed Café both in the daytime and for events. Main duties of this role will include, serving customers and setting up for and working a range of student and external events.
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!
Age UK Wandsworth is a local, independent charity that works to promote the wellbeing of all older people in the London Borough of Wandsworth. We offer a variety of services with the goal of helping older people to #AgeWellinWandsworth. Our charity is consistently growing, so we are creating this new role to support our CEO with social media, marketing and organising events.
The role will suit someone who is calm, mature, professional, organised and creative and will be comfortable working directly with a creative and curious CEO committed to transforming the charity’s online presence.
What we can offer you:
You'll be joining a vibrant workplace where no two days are the same, working as part of a small, supportive team that is committed to making a positive difference in the community. You'll benefit from an experienced leadership team, collaborate with kind and caring colleagues who genuinely work together, and even have the company of a friendly hypo-allergenic office dog.
Due to the nature of the work that we carry out, our staff work from our office, day centre and in the community. Therefore, please note that unless it is otherwise stated, all roles advertised will require the successful candidate to work on-site.
Employee benefits:
Our mission is to help older people to age well in Wandsworth.

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.
Provide operational support to our sports clubs that enables them to both fulfil and host British Universities and Colleges Sport (BUCS) fixtures against other universities, including the organisation of transport, facility bookings, registering individuals and teams for competitions, submitting results, and hiring of officials.
Be the first point of contact for all queries from students and other universities in relation to club administration and fixtures.
Provide effective training to students on using the BUCS play system and using the system effectively to ensure fixtures and team sheets are accurate.
Ensure that finance processes followed for all fixture related expenditure. This includes raising PO numbers, processing invoices, making credit card payments, using online payment systems and the ability to keep accurate financial records.
Be first of point of contact for student queries on reception when required.
Actively participate in meetings, personal development, and training events where there is a clear link to our strategy, your role or personal development.
Ensuring that statutory and legal obligations are met.
Ensure our financial sustainability by adhering to all financial procedures and processes of the Students’ Union.
Promoting the Students’ Union’s various policies within your work, in particular Health & Safety, Equality & Diversity, Ethical, and Environmental.
Contributing to the positive image of the Students’ Union with students, the University and the local community.
Working across the Union to share skills, improve capability or capacity and in support of service delivery.
Be flexible in your approach to work, ensuring you can work at any site as required, and unsociable hours as required to enable us to fulfil our mission.
The job description may be altered at any time in the future in line with the level of the post to meet changing requirements, please be assure that this will only be done in full consultation with the post holder.
Such other duties and projects as may be reasonably prescribed by the Union, appropriate to the grade and responsibilities of this post.
The client requests no contact from agencies or media sales.
The young people, children and families that we support are at the heart of everything we do at Mermaids. We have ambitious plans to expand the reach and impact of our youth work. To support this growth, we are recruiting an Interim Youth Officer who will play a key role in overseeing our youth programmes and activities. The successful candidate will help increase our capacity to engage with more young people, provide high-quality support, and ensure the continued delivery of our core youth services while contributing to the development of new opportunities for young people. This role is fully remote, full time with a four day working week (32 hours).
Mermaids is an equal opportunity employer. We encourage applications from those with lived experiences (directly or indirectly) and/or close ties to the LGBTQ+ community. We actively support and encourage people from a variety of backgrounds and experiences to join us and shape what we do. We are particularly keen to receive applications from BPOC (black and people of colour) and/or disabled and trans candidates.
Supporting trans, non-binary and gender-diverse children, young people and their families since 1995
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.
An exciting opportunity to join the team as a Bar and Catering Supervisor to work in the Engine Shed Café both in the daytime and for events. Main duties of this role will include, serving customers and setting up for and working a range of student and external events.
The client requests no contact from agencies or media sales.
International Nepal Fellowship (INF) is a Christian health and development charity. Since 1952 they have had a huge impact serving the most disadvantaged people and communities in Nepal.
As Nepal’s longest serving international NGO they continue to have ambitious plans. It is an exciting time to join INF as they enter a bold new strategic phase for 2026 to 2031.
The most disadvantaged communities in Nepal face a lack of access to healthcare, often walking for days to their nearest health post, or being unable to afford even basic treatment.
Kopila, who was diagnosed with leprosy several years ago, is a patient at INF’s Green Pastures Hospital in Pokhara, Nepal.
“Whenever I have to come back to Green Pastures I am grateful that all of the treatment is free, and I am happy because everybody there cares for me and loves me.”
We are looking for a Supporter Engagement Officer to join INF’s small, passionate UK team. This is a fantastic opportunity to connect with INF’s committed UK supporters who resource and pray for the work of Nepali organisations which support people to overcome the barriers they face due to issues such as disability, poverty, gender or caste.
Please note that this is a full time role, part-time hours will also be considered (a minimum of 30 hours per week).
If this sounds like the role for you, we would love to hear from you.
The Role
As Supporter Engagement Officer you will play a key role in the stewardship of INF supporters. Reporting directly to the Head of Fundraising and Communications, you will support the team to deliver the highest level of supporter engagement.
The main responsibilities will include:
The Person
We are looking for a practising Christian, as set out in the occupational requirement for this position.
You must align with the values of INF and be committed to your faith. It is key that prayer is important to you both personally and professionally.
We are looking for someone with the ability, or drive to learn, to write creatively and develop new skills in digital marketing. You must be an adaptable person who thrives within a small team.
Proven experience of engaging with supporters is also vital, as well as exceptional written and verbal communications skills.
As a faith-based Christian charity, it is a genuine occupational requirement for applicants to have a personal commitment to the Christian faith. See the recruitment pack for more details.
Why INF?
INF UK has a small, supportive, connected team where ideas are welcomed and suggestions are encouraged. It is a real privilege to work with INF’s partners in Nepal, and a fantastic opportunity to learn about various projects and their delivery.
There is a genuine culture of learning and a real opportunity for development, especially at a unique phase of the charity’s long history as they work towards a new strategy.
INF places an emphasis on professional development and training to enable you to fulfil your role. They support employees in their desire to further their qualifications and careers, including offering opportunities to undertake training courses and attend conferences or events.
The charity offer agile working for all staff members which includes options for flexible working hours.
The charity’s other benefits include:
Please note that INF are unable to provide sponsorship for this position. All offers of employment are made subject to proof of eligibility to work in the UK and satisfactory employment screening, a basic DBS Check, and three references satisfactory to INF UK (including one reference from a church leader or someone able to speak to your Christian faith).
If this sounds like the opportunity for the next phase of your career, then apply here, or contact Leanne or Jen at Charity Horizons for more information.
Please note: If you would like to submit an application or express your interest in an alternative format such as audio or video upload, or require any adaptations for your initial engagement with us, please contact either Jen or Leanne who will be happy to advise on this.
Please also be aware that we use anonymous recruitment methods when submitting shortlists for all our roles and we only work with organisations that are happy to engage with us in this way.
Charity Horizons is an equal opportunities employer and as such actively promotes equality, diversity and inclusion in the workplace. We welcome and encourage applications from all suitable candidates irrespective of age, disability, hidden disability, race or national origin, religion or belief (save where a genuine occupational requirement applies, as set out above), gender, gender expression, political view, sexual orientation, medical condition and pregnancy.
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