Prompt Engineer in London

About Beam
At Beam, you get to do work that matters for the world. We’re solving the world's toughest social problems with an incredible team, tech and AI. And we’re growing fast. It’s not easy. Nothing worth doing ever is. Join a company at the forefront of social impact, driving first-of-its-kind positive change. You’ll be part of a high-performance culture where you’ll make a huge impact, rapidly progress your career, and truly enjoy your work.

From top-tier coaching and personal development budgets to competitive salaries, we take care of everyone who works at Beam. We’ve already seen incredible growth from our Magic Notes product, helping case workers save over 8 hours of admin per week. From social workers and NHS clinicians to mental health practitioners and safeguarding specialists, over 50,000 frontline workers across the UK are now using Magic Notes regularly to deliver faster, more human-centred support. We’re also launching globally, helping practitioners across the USA, EU, and Australia make a difference.

About the role
As a Prompt Engineer at Beam, you’ll be at the forefront of deploying our AI products into real-world environments where they can create meaningful social impact. Beam is transforming how social workers, clinicians and other practitioners operate, freeing them from time-consuming admin to focus on human-centred support. You’ll play a critical part in scaling that impact, ensuring our products are intuitive, effective and deeply embedded in users’ workflows as we expand across the UK and internationally.

You’ll have:

• Technical curiosity with a strong user focus and a passion for social impact.

You’ll be:

• Working closely with frontline practitioners as well as internal teams to design, deploy and continuously improve AI-powered templates and workflows.
• Engaging with customers to understand their workflows, needs and challenges.
• Running discovery and review sessions to gather insights and refine solutions.
• Owning customer usage, engagement and success metrics, ensuring strong outcomes and measurable impact.
• Designing, building and testing high-quality AI prompt templates using a range of LLM providers alongside agents such as Claude Code and Cursor.
• Continuously iterating based on user feedback, internal reviews and performance metrics.
• Ensuring outputs are accurate, compliant and tailored to real-world use cases.
• Improving internal tools, automations and processes to scale template delivery.
• Prototyping new ideas and features using AI coding tools.
• Staying up to date with advancements in AI/LLMs and applying them to enhance product performance.
• Collaborating closely with Product, Engineering, Customer Success and Enablement teams.
• Contributing insights to the product roadmap and identifying opportunities for expansion and scaling.
• Sharing learnings, documenting best practices and helping refine team processes.
• Maintaining a strong focus on data privacy, security and ethical use of AI.
• Ensuring all solutions are designed with sensitivity to the vulnerable populations Beam serves.

You’ll have:

• A strong interest in AI and prompt engineering, with a hands-on, experimental mindset.
• A user-centric approach that translates real-world needs into practical, high-quality solutions.
• Creative problem-solving skills, able to diagnose issues and iterate quickly.
• High attention to detail, especially when working with nuanced or sensitive data.

Ways of working:

• Collaborative and comfortable working cross-functionally with diverse teams.
• Proactive and ownership-driven, with a focus on delivering measurable outcomes.
• Adaptable and excited by fast-paced, evolving environments.
• Strong growth mindset with a desire to continuously learn and improve.

Mission alignment:

• Passion for social impact and improving outcomes for underserved communities.
• Alignment with Beam’s values: thoughtful, ambitious and deeply user-focused.

Nice to have:

• Experience or exposure to care, healthcare, or social services environments.
• Understanding of reporting requirements or workflows in frontline support settings.

About Beam
Our team of 200+ embraces a hybrid working approach, enjoying 2-3 days of vibrant collaboration in our beautiful Shoreditch co-working space, fully equipped with rooftop views, an onsite barista and kitted out gym. We’ve picked up an armful of awards for our work, including one from our former Queen. We’ve also been named by WIRED as one of London’s 10 hottest startups and by LinkedIn as a Top 15 UK Startup. Meanwhile, we’ve been covered in the media literally thousands of times, including The FT, BBC, TechCrunch, Forbes and The Guardian. We’re also proud to be backed by some of the world’s leading tech investors and entrepreneurs, including the founders of Booking.com, Calm, Shazam and Dropbox.

Perks:
Generous EMI-qualifying share options, access to therapy, coaching, classes & content - powered by Oliva, your own financial well-being coach, through Bippit, generous holiday - 25 days with 3 additional days over the Christmas period + bank holidays, work remotely up to 6 weeks a year, eligible for a 6-week sabbatical after 3 years in service, nursery scheme through Gogeta, healthcare cover through Benenden Health, enhanced parental leave: Primary Caregiver leave 18 weeks and Secondary Caregiver leave 4 weeks, £200 WellBeam budget for activities enhancing wellbeing and professional development, annual membership to Shoreditch Exchange gym (London office only), pension scheme where we contribute 3% of your salary and you contribute 5%, free subscription to the Calm meditation app, discounted bike and accessories with Cyclescheme, and tech products with Techscheme.

Start your journey to a more impactful career today. We’re excited to hear from you.

Reasonable adjustments:
Beam is committed to fostering an inclusive, diverse, and supportive work environment for all employees. This policy extends to our hiring practices. We recognise that some candidates may need additional support during their hiring process to give them the best chance of being a success. To ensure that all candidates have an equitable opportunity during their process, we are committed to providing reasonable adjustments where required. If you require a reasonable adjustment to be made during your process, please let your Talent Partner know. We encourage you to share this information, but there is no obligation to do so. Please be reassured that any reasonable adjustment requests will not be taken into account when making a decision about your candidacy.