> Markdown version of [/jobs/ext/1871161-staff-senior-backend-engineer-node-js](https://www.wearedevelopers.com/jobs/ext/1871161-staff-senior-backend-engineer-node-js). 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). --- # Staff/Senior Backend Engineer (Node.js) - **Company:** Mimica - **Location:** London, UK (Remote available) - **Experience:** Expert - **Salary:** £86,789.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Software Quality, Code Review, Databases, Distributed Systems, Fault Tolerance, PostgreSQL, MongoDB, Node.Js, Pair Programming, Query Optimization, TypeScript, Web Application Frameworks, Data Storage Management, Load Balancing, Mern, Caching, Backend, Kubernetes, Low Latency, Production Code, Api Design, Code Restructuring, Docker, Microservices - **Published:** August 1, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5822581770 ## About the Role * Background in backend engineering, focusing on developing high-performance production software and scalable architectures. * Minimum 8 years of experience as a Software Engineer. * Proficiency in JavaScript/TypeScript, and experience using modern frameworks and technologies (e.g., Docker, K8s) to build high-throughput, low-latency systems. * Practical experience in designing APIs and managing databases (e.g., PostgreSQL, MongoDB), with a keen eye for query optimization and efficient data storage & handling. * Firm grasp of distributed systems concepts and techniques - microservices, load balancing, caching, horizontal/vertical scaling and stateless architectures. * Commitment to upholding high engineering standards, prioritizing code quality, maintainability, reliability, and security. * Strong analytical and troubleshooting skills - methodically decomposing systems to identify bottlenecks, determine root causes and implement effective solutions. * Drive to continually develop your skills, improve team processes and reduce debt. * Fluency in English, with effective communication skills - articulating complex ideas, concepts, and trade-offs clearly. Bonus * Experience owning projects from start to finish, including speccing, architecture, development, testing, deployment, release and monitoring. * Experience working within an international high-impact Startup/Scale-up environment - delivering value quickly and iteratively. * Active interest in AI, automation, or related fields. ## Description * We prioritize customer needs first * We work in small, project-based teams * We have flexibility in terms of the problems we work on * We own the full lifecycle of our projects * We avoid silos and encourage taking up tasks in new areas * We balance quality and velocity * We have a shared responsibility for our production code * We each set our own routine to maximize our productivity Your mission In this role, your mission will be to enhance and scale the backend systems powering the Mimica platform (MERN stack). This means designing and implementing a scalable architecture, developing and optimizing backend services and APIs, improving the performance and reliability of existing components, and taking operational responsibility for what you build. As a member of our early engineering team, you'll have the opportunity to shape our technical direction, processes and culture. Part of your day-to-day * Contributing to architectural decisions and collaborating across teams to identify and implement product improvements. * Developing and optimizing a real-time backend service that enables multiple users to edit graph data and re-train AI models through their input. * Creating libraries and building APIs in our Node.js backend to interact with the various ML components of the system. * Diagnozing fault-tolerance and availability issues, as well as performance bottlenecks, and resolving them. * Refactoring our components and services and producing documentation for your implementations. * Providing feedback to peers through pair programming and code reviews and helping those around you to level up. * Participating in hiring and onboarding new team members; taking on end-to-end project management responsibilities as we grow. ## Related Videos - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Nest.js - TypeScript in the backend can also be clean](https://www.wearedevelopers.com/videos/1033-nest-js-typescript-in-the-backend-can-also-be-clean) - [Shipping Faster with Less: Render on Cloud Hosting, AI Workloads, and the Future of DevOps](https://www.wearedevelopers.com/videos/1894-shipping-faster-with-less-render-on-cloud-hosting-ai-workloads-and-the-future-of-devops) - [Docker build without Docker](https://www.wearedevelopers.com/videos/100114-docker-build-without-docker) ## Related Articles - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers)