Python Developer

Company Description Xapien is one of the brightest and most exciting tech companies to appear over the last few years. The AI-powered automated research platform is redefining background research and gaining critical success from clients. Every business in the world, in every sector, needs to know who they are engaging with and Xapien helps them answer that question – quickly and accurately. We use deep Natural Language Processing, AI and huge scale cloud infrastructure to automate human research. We locate, collect, read, distil and assimilate hundreds of thousands of fragments of information – allowing us to understand a person or company like a human would. We deliver daily insight to major financial institutions, industry regulators, charities and commercial organisations – and the potential market for the solution is enormous. Founded in 2018 by experts in national intelligence and anti-money laundering, Xapien aims to revolutionise business due diligence with its AI-driven technology. Since securing Series A funding, our team has grown to 50, and we've achieved notable recognitions, including ranking 33rd globally in Chartis Research’s FCC50 and winning the Entity Management award. Job Description If you are a Python expert interesting in revolutionising our AI powered product, the Python Engineer role is an ideal fit. You'll be at the forefront of developing cutting-edge API implementations that use powerful language models like GPT and Cohere. This role offers a unique opportunity to collaborate closely with a talented team of engineers and researchers. You'll contribute to building scalable and efficient systems that power our AI applications. As our company grows, so will your responsibilities, providing ample room for career advancement and exposure to the latest technologies in the field. If you're a collaborative problem-solver with a strong foundation in Python and a keen interest in AI, join us in revolutionising the way organisations carry out due diligence. Core responsibilities: • Build user-friendly RESTful APIs that make LLM capabilities accessible to other parts of our application. • Fine-tune our APIs for speed, efficiency, and cost-effectiveness. • Work closely with our team to ensure our LLM models integrate seamlessly with the rest of our application. • Stay ahead of the curve by keeping up with the latest developments in LLM technology. • Write clean, well-structured code that’s easy to understand and maintain. Technology you will use / learn: • Python • LLMs (GPT, Cohere) • Vector databases • AWS Skills we need from you: • Python - We use Python for developing LLM models to build RAG pipelines. You will bring a strong understanding of Python syntax and data structures. Additionally, you'll demonstrate experience with Python libraries for data manipulation. Ideally you'll have 3-5 years of experience with Python. • Building REST APIs - You’ll create REST APIs to serve as the interface between our LLMs such as GPT and Cohere, and other components of our application. • Code quality - You demonstrate awareness of best practices and coding standards and understand software design principles and patterns. (TDD, Unit testing, BDD) • Communication and collaboration - Our teams are cross-functional, and span Product, Engineering, Research, Sales, Customer Success, and Customer Support, to ensure alignment across the business. Benefits: • Equity in the business in the form of shares – You will own a meaningful part of the business through our employee shares & equity programme • Unlimited Paid Time Off for you to take time to recharge. ️ • A professional development fund of £1,000 per year – we invest in our people and always encourage growth! • Private health and Life insurance ❤️‍ • High-spec MacBook + £200 for equipment setup • Regular team lunches and social events, from go-karting to mini gold to karaoke to rounders in the park • X day – one whole company day off every February so we can all switch off Slack and reset • Flexible working + flexible hours (2 days per week in our WeWork in Moorgate) Salary: £50,000-£60,000 per year + bonus **Please note, we cannot provide visa sponsorship** Our Values: • Take ownership – We keep our organisation simple, valuing people over policies. We encourage ownership and decision-making. • Better together – We care about each other and go out of our way to help colleagues succeed. We value relationships and take a genuine interest. • Transparent – Our business is creating transparency in business relationships; so internally we are ‘default share’, even when it feels uncomfortable. • Glass-half-full – This is about being real but still choosing to be optimistic. We celebrate wins and encourage each other to build forward. • Be pioneers – We are leaders not followers – bold, ambitious and can-do. We don’t start with what’s possible, we start with what we want to achieve, then ask ‘what has to be true’? • Move fast – This is our moment to make our mark on the world. So we work to ambitious deadlines, launch fast and iterate, always streamline, and remain decisive amid huge uncertainty. • Value learning – We are all learning, always. We take time to explain, even if it’s quicker to do it ourselves. • Always decent – We are polite, thankful and straightforward. Everyone is down-to-earth, informal and approachable. • A players – Working here should be stretching and exhilarating. We only hire, and keep, the best, enquiring people that will keep us on our toes.