Backend Engineer

About 9finThe world's largest asset class, debt, operates with the worst data.Technology has revolutionized equity markets with electronic trading, quant algos and instantaneous news. However, in debt capital markets, the picture is completely different. It still behaves like it's in the 1980s; trillions of dollars of trades are placed over the phone, news is slow, and corporate credit information is imperfect and scattered.Our mission is to change this.9fin's proprietary technology delivers fast and comprehensive financial, credit, legal & ESG analysis. Our clients are able to make faster, more informed decisions, win more business and most importantly, save time.Our fast growing list of clients include 9 of the top 10 Investment Banks, leading Asset Managers, Hedge Funds and Law Firms.What you'll work onThis role is the opportunity to take on the technical leadership on projects, defining and designing systems, making quick proof of concepts and working closely with Product and our Clients.Write code and lead others in the team in delivering new service functionality, implementing API's, data routing/processing and automation mechanisms.Development and engineering primarily on the backend services and web application hosted tools and systems of the 9fin platform.Taking a leading role within project teams as an IC, running code reviews and mentoring of junior developers, involvement in early research and experimentation with new technologies providing input for new features and products.Continually improve on the 9fin codebase taking the chance to automate, refactor and document when you can.Variety: Our web platforms are incredibly diverse, from complex financial data modelling, capturing environmental, emission, energy data, incorporation of ML/AI prediction services, data visualisation serving and automation systems.Collaboration and teamwork: Cross functional teams are formed for all projects including the appropriate domain expertise from 9fin financial, legal, Job Description Backend Engineer (AI/LLM) | Contract | London | 3 days onsite We're hiring backend engineers for a high-impact contract with a major UK business. If you've built real AI-powered systems in production, not just played with APIs, we want to talk. The role...

and editorial colleagues. This allows the best quality information and feedback to go directly to engineering project teams. Your ability to explain and break down complex projects to non technical audiences will enable productive and efficient team progress.Developer Experience: Through managed automated preview environments, feature flags and well maintained non production environments. You will be able to move with velocity and get feedback and iterate quickly.Our Backend StackPython is the dominant backend language usedFlask&Fast APITyping is used within our Python stack to power automated documentation and API definitionsRelational Databases (Postgre SQL) at the heart of majority of servicesWe're AWS for Cloud hosted servicesHeavy use of AWS lambda ServerlessDocker (AWS ECS) for uniform development/deployment from dev to prodRequirementsThis role will be a great fit if you:Can effectively plan and reason about your software, understanding where it fits into systems and the overall businessCan think about how data will pass through your software; from persistent storage through to API endpointExperience with Python and its web frameworks (we currently use Flask, and are moving to Fast API with Typing)Strong experience delivering APIs, Service Oriented ArchitectureGood working knowledge of SQL statements for retrieving dataA good collaborator and communicator with cross functional engineering teammates and others within 9finCode Quality: Through writing testable, maintainable code, and by engaging in code review for your own work and for reviewing othersCompany Benefits We're a scaling start up and we enjoy sharing our success, when the company succeeds, we always reinvest that in our people. We also offer huge amounts of responsibility, an abundance of opportunity for growth and a platform to truly excel.Financial & InsuranceCompetitive Salary(our salary bands are benchmarked at the top end of the market)Pension (your minimum contributions are 4% with 9fin matching up to 7%)Private Medical InsurancePaid sick leave with Income Protection for long periods of illnessGroup Life AssuranceSeason Ticket Loan&Cycle to Work schemesTime off25 holiday days per yearLocal public holidays (with the ability to exchange them for alternative days)Hybrid working model, to allow you the flexibility to decide how, where and when you do your best workWork abroad for up to 3 months a year1 month paid sabbatical after 5 years of serviceEnhanced parental leave&flexible working arrangements availableTraining & CultureProfessional learning and development budgetQuarterly team socialsSummer and Winter company social events9fin is an equal opportunities employerAt 9fin we are dedicated to building and promoting a fair and inclusive workplace where everyone can reach their full potential and truly belong. We recognize that building diverse teams enables a more creative and productive environment. If you're excited about this role

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