Software Engineer (GenAI) in London

Job DescriptionWe want to make investing easier, more accessible and help people feel good about investing. Technology is central to making that happen, and Generative AI is becoming an increasingly important part of how we innovate at AJ Bell.We’re looking for a Software Engineer (GenAI) to join our growing GenAI Engineering team, building AI-powered solutions that solve genuine business problems and deliver value for our customers and colleagues. You’ll have the freedom to experiment with emerging technology, develop your expertise and help influence how we adopt GenAI across the business.You’ll work within a collaborative, cross-functional engineering team, with the opportunity to contribute across our technology stack and propositions.What we're looking forWe’re looking for a motivated and curious Software Engineer with strong Python development skills and a genuine interest in Generative AI and large language models.You’ll help us design, build and deliver production-grade GenAI solutions across the business, working with modern LLMs, AI platforms and emerging agentic technologies.We’re looking for someone who is curious about AI and LLMs, keeps up with how the technology is evolving, and enjoys experimenting and learning. You’ll be excited by what GenAI can make possible, while applying sound engineering judgement and focusing on building solutions that are simple, robust and deliver real value.Key technical skillsStrong knowledge and experience of Python, its libraries and toolingExperience working with industry-leading large language models, particularly OpenAI and AnthropicSolid understanding of RESTful API design and implementationExperience with Git-based source control and modern software engineering practicesExperience in AI-assisted development, using tools such as GitHub Copilot and Claude CodeIt would be great if you also haveExperience building and operating solutions in the cloud, preferably AWSPractical knowledge of GenAI architecture and engineering patternsFamiliarity with GenAI platforms and tooling such as Amazon Bedrock, Bedrock AgentCore and LiteLLMExperience with CI/CD and containerisationExperience taking GenAI applications from proof of concept through to productionWhat you'll bringCuriosity about LLMs, GenAI and emerging AI technologies, with a willingness to experiment, learn and develop your knowledgeStrong technical problem-solving skillsThe ability to work effectively with engineers and business stakeholdersA pragmatic engineering mindset, balancing innovation with business valueA collaborative, proactive and adaptable approach to working in an evolving technology environmentAbout AJ BellAt AJ Bell, we believe investing should feel good.That means creating an experience where customers feel confident, secure and supported; whether they’re investing for the first time, saving for retirement or managing their investments with the help of a financial adviser.Technology plays a huge part in making that possible.We’re one of the UK’s fastest-growing investment platform businesses, trusted by everyone from professional financial advisers to first-time investors.Today, more than 762,000 customers trust us to manage more than 121.5 billion of assets. That trust is something we take seriously.Our technology needs to work hard behind the scenes to make investing feel simple, reliable and secure. From the platforms our customers interact with to the critical systems and processes that support our business, we're continually looking for better ways to use technology to deliver a great experience.As a Software Engineer(GenAI) at AJ Bell, you’ll have the opportunity to help build the technology that drives our success.We're proud to be recognised as one of the UK's Best 100 Companies to Work For for six consecutive years, and a Great Place to Work for the past two years, a reflection of our supportive and collaborative culture.What we offer25 days holiday, increasing with service, plus buy/sell scheme and bank holidays 6% pension with matched contributions Discretionary bonus scheme Share schemes, including free shares and BAYE Health Cash Plan and discounted private healthcare Free onsite gym Enhanced family leave, subject to qualifying criteria Travel and bike loan schemes Employee Assistance Programme Life at AJ BellRegular social events including summer and Christmas partiesLearning and development opportunities tailored to youCasual dress codeFriendly, supportive team environmentOur ways of workingAt AJ Bell, our people are the heart of our culture. We believe in building strong connections by working together. That's why we offer a hybrid working model, where you'll spend a minimum of 50% of working time per month in the office. For new team members, an initial period will be spent full-time in the office to help you immerse yourself in our business and build valuable relationships with your colleagues.Inclusion & diversityWe’re committed to creating an inclusive environment where everyone feels respected, supported and able to be themselves at work.We welcome applications from all backgrounds and make hiring decisions based on skills, experience and potential.SummaryType: Full-timeFunction: Information TechnologyExperience level: Mid-Senior LevelIndustry: Financial Services