Full-stack AI Engineer

Ebury helps ambitious businesses unlock global growth, and we take the same approach with our people. We encourage innovation and movement, collaboration and problem-solving, and foster an environment where everyone can feel they belong, are valued, supported and empowered to succeed.If you’re a collaborator who wants to help transform how businesses operate globally, get in touch - we’d love to discuss how Ebury can accelerate your career so you can shape the future.London Office - Hybrid: 4 days in the office, 1 day working from homeAbout the RoleWe're building an AI-powered financial crime investigation platform that's transforming how Ebury's compliance teams work. Our AI agents will process thousands of screening cases, reducing analyst workload while maintaining regulatory standards.We're looking for a Senior Full-Stack Engineer to help us scale our platform and raise the engineering bar. You'll architect and deliver complex features across the entire stack - from React frontends to Python backends to LLM integrations - while mentoring teammates and shaping our technical direction.This is a unique opportunity to work at the intersection of AI/ML, fintech, and compliance - building production AI systems that handle real financial crime investigations at scale.What You'll DoArchitect and build end-to-end features across our React frontend and FastAPI backend, making sound technical decisions that balance speed with maintainabilityDesign AI agent workflows using LangGraph for screening automation, RAG pipelines, and multi-agent orchestrationLead technical initiatives - own complex features from design to production, breaking down ambiguous problems into actionable workIntegrate complex data sources (internal APIs, third-party services like LexisNexis, data warehouse) with robust error handling and observabilityImprove platform reliability - implement monitoring, alerting, and performance optimizations for production AI systemsMentor and uplift junior and mid-level engineers through code reviews, pairing, and technical guidanceShape engineering practices - contribute to architecture decisions, coding standards, and team processesCollaborate cross-functionally with Product, Design, Compliance, and other engineering teams to deliver impactful solutionsFrontend:React, TypeScript, Material-UIModule Federation (Micro-frontend architecture)Vite, VitestPython 3.13, FastAPILangGraph (AI agent orchestration)LlamaIndex (RAG/vector search)AWS BedrockInfrastructure:AWS (ECS Fargate, Lambda, API Gateway, S3)Terraform, GitHub ActionsWhat We're Looking ForMust Have5+ years of professional software engineering experienceStrong React + TypeScript skills - you can architect complex frontend applications with good state management, performance, and testingStrong Python backend experience - FastAPI, Django, or Flask with async programming, clean architecture, and production-grade codeSystem design skills - you can design scalable, maintainable systems and articulate trade-offs clearlyAPI design expertise - REST, WebSockets/SSE, and understanding of distributed systems patternsDatabase proficiency - SQL and NoSQL (DynamoDB, PostgreSQL, OpenSearch), including query optimization and data modelingTesting mindset - you write comprehensive tests and advocate for quality across the teamOwnership mentality - you take features from idea to production, proactively identifying and solving problemsStrong communication - you can explain complex technical concepts to engineers and non-engineers alike, and write clear documentationMentorship ability - you enjoy helping others grow and have experience guiding less experienced engineersNice to HaveLLM/AI experience - LangChain, LangGraph, RAG pipelines, prompt engineering, or fine-tuningProduction AI systems - experience with LLM observability (Langfuse), token management, streaming, and reliability patternsAWS expertise - Lambda, ECS, DynamoDB, OpenSearch, Bedrock, or similar cloud servicesStreaming architectures - SSE, WebSockets, event-driven systemsFintech/compliance background - AML, sanctions screening, KYC, or regulated industry experienceMicro-frontend experience - Module Federation, independent deployabilityInfrastructure as Code - Terraform, CDK, or similarWhat Sets Senior ApartWe're looking for engineers who demonstrate:Technical leadership - You don't just complete tasks; you identify the right problems to solve and influence technical directionSystems thinking - You consider the broader context: scalability, security, observability, and maintainabilityProactive communication - You surface risks early, propose solutions, and keep stakeholders informedQuality advocacy - You raise the bar for testing, code review, and documentation across the teamPragmatic decision-making - You balance ideal solutions with delivery timelines, making conscious trade-offsContinuous learning - You stay current with industry trends and bring new ideas to the teamWhy Join Us?Greenfield AI ProductYou’ll help shape a product from early stages, not maintain legacy code. Your architectural decisions will have lasting impact.Technical LeadershipDrive technical direction for a growing team. Mentor engineers and establish patterns that scale.Work with the latest LLM technologies in production - LangGraph, RAG, multi-agent systems, and more.Our AI agents process thousands of compliance cases. You’ll see your work making a difference within weeks.Startup-within-EnterpriseSmall, autonomous team with startup speed, backed by enterprise resources and stability.Salary, equity, benefits, and flexible working.The TeamYou’ll join a small, high-performing team within Ebury. We’re growing to 10+ people over the next year, so you’ll have a voice in shaping the team culture.About usEbury delivers sophisticated, integrated solutions — business accounts, hedging, and financing — on a single platform with a seamless workflow. Our success is built on a simple premise and singular purpose: To help businesses operate and scale globally.Since its founding in 2009, Ebury has always been a fast-growing leader in fintech. Today, we bring together 2000+ Eburians across nearly 70 cities and we’re always looking to add to our team.At the heart of our offering is a proprietary platform, purpose-built to help businesses seamlessly streamline and manage global cash flow. We focus on continuous product evolution and innovation to build the infrastructure for borderless growth and help our clients scale at every stage.The opportunities at Ebury are as diverse as our people, ranging from business development to engineering roles across our tech pillars.We believe in inclusion. We stand against discrimination in all forms and are against the intolerance of differences that makes us a modern and successful organisation. At Ebury, you can be whoever you want to be and still feel a sense of belonging no matter your story.Important Security Notice for Job ApplicantsEbury only accepts applications via official Ebury channels. We will only contact you from an @ ebury.com domain. Always check the emails you receive from us, and note that we will never request payment for any part of the recruitment process. Stay safe and report suspicious activity.Notice to Recruitment Agencies and Search FirmsEbury does not accept unsolicited resumes, CVs, or candidate profiles from recruitment agencies or search firms without signed written Ebury recruitment terms in place for a specific role. Any unsolicited applications will be considered the sole property of Ebury. Ebury will not be responsible or liable for any placement fees or costs associated with unagreed candidate submissions or subsequent hires.AI Transparency StatementEbury uses Artificial Intelligence (AI) and automated tools to help streamline certain parts of our recruitment process, however, these tools are strictly for administrative efficiency. All hiring decisions, including application reviews, shortlisting, and final selections are evaluated and conducted by human talent acquisition professionals and hiring managers. #J-18808-Ljbffr