> Markdown version of [/jobs/ext/1341024-senior-full-stack-engineer-back-end-leaning-lead-amplify-platform](https://www.wearedevelopers.com/jobs/ext/1341024-senior-full-stack-engineer-back-end-leaning-lead-amplify-platform). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Full-Stack Engineer (Back-End-Leaning) - Lead, Amplify Platform - **Company:** Saga - **Location:** AMSTERDAM, Netherlands (Remote available) - **Experience:** Expert - **Salary:** €4,000.0 - €6,000.0 - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Microsoft Azure, Software as a Service, Code Review, Learning Management Systems, Information Engineering, Node.Js, Service Layer, TypeScript, Backend, Event Driven Architecture, Front End Software Development, Data Pipelines, Api Management - **Published:** July 19, 2026 - **Apply:** https://nl.indeed.com/viewjob?jk=868afa5b68568fc3 ## About the Role * 7+ years of backend and full-stack engineering experience with significant production experience in TypeScript/Node.js or comparable technologies. * Experience building event-driven systems using queues or streams, along with rules engines, trigger engines, or notification infrastructure. * Strong experience designing multi-tenant SaaS platforms with strict tenant isolation and privacy-by-design principles. * Experience leading or acting as the technical owner within a small engineering team, including architecture, code reviews, and roadmap planning. * Experience with usage-based scoring or recommendation logic, LMS or workflow products, and cloud platforms such as Azure is a strong advantage. * Strong engineering judgement with the ability to balance scalability, security, maintainability, and product delivery. ## Description As Senior Full-Stack Engineer (Backend-Leaning), you'll act as the technical lead for Amplify's platform, owning the service layer and overall architecture across a small engineering team. You'll design the back-end services that power AI-driven coaching, learning, pricing, and user scoring, while defining the API contracts that connect front-end experiences with data pipelines. Success in this role comes from building a platform that is scalable, secure, observable, and designed with privacy at its core. What you'll be doing * Design and own Amplify's back-end service layer, providing overall architectural leadership across the engineering team. * Build the shared trigger and notification engine, LMS backend, pricing services, and pairing/scoring services that power Amplify's core product experiences. * Design and maintain secure multi-tenant architecture, ensuring strict tenant isolation and privacy across queries, triggers, notifications, and usage data. * Define API contracts for front-end applications and data pipelines, while making build-vs-reuse decisions across the existing Saga platform. * Lead technical planning by decomposing the roadmap, reviewing code across frontend and data engineering, and driving architectural decisions. * Ensure the platform is production-ready, observable, secure, and scalable as Amplify grows., We're a team of lawyers, engineers, designers, and builders across multiple countries, with a startup mindset - flexible, fast-moving, and focused on what matters. We don't believe in rigid structures or unnecessary processes, but we do believe in discipline: showing up consistently, following through, and holding ourselves to a high standard. Outside of work, many of us are active in sports - running, skiing, hiking - not as a mandate, but because we're drawn to the same mindset sport builds: consistency, resilience, and a long-term view. If you thrive in a flat, high-ownership environment, you'll feel right at home. ## Related Videos - [Stop using Node.js like in 2020! 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