> Markdown version of [/jobs/ext/2917375-senior-software-engineer](https://www.wearedevelopers.com/jobs/ext/2917375-senior-software-engineer). 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 Software Engineer - **Company:** Hyerhub - **Location:** Isleworth, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Databases, Django Web Framework, Python (Programming Language), Query Optimization, RabbitMQ, Mockito, ReactJS, Database Optimization, Backend, Webpack, Material UI, Celery, Front End Software Development, Api Design, Restful APIs, Open Network Automation Platform - **Published:** September 15, 2026 - **Apply:** https://www.collegerecruiter.com/job/2879174940-senior-software-engineer ## About the Role This opportunity will require focus and experience of building APIs, designing backend schemas and tasks for processing firewall rule data. Strong testing skills will be required as part of the development as well as maintaining a high standard for code readability and collaboration. This role is inside of IR35 and requires working onsite twice a week along with the following skills and experience: Backend (Python / Django) - Essential * Python: Fluency in Python 3.10+, clean architecture, type hinting, and writing robust test suites using Unittest (including mocking external dependencies and task queues). * Django REST Framework (DRF): Proven track record of building secure, production grade RESTful APIs using DRF. * Databases: Strong schema design, Django migrations, and indexing strategies. Must be proactive about query optimization (e.g. preventing N+1$issues with select_related / prefetch_related). * Celery & Task Queues: Experience building, testing, and troubleshooting background tasks with Celery and RabbitMQ. Frontend (React) - Desirable (Nice-to-Have) * React & Tooling: Modern React built with Vite. * UI Components: Hands-on experience with Material UI (MUI). * API Integration: Comfortable connecting React components to DRF endpoints and managing asynchronous UI states. ## Description We are looking for an experienced software developer to help build a security insights plugin for our clients existing network automation platform. ## Related Videos - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [Test-Driven Development: It's easier than you think!](https://www.wearedevelopers.com/videos/1598-test-driven-development-it-s-easier-than-you-think) - [Celery on AWS ECS - the art of background tasks & continuous deployment](https://www.wearedevelopers.com/videos/561-celery-on-aws-ecs-the-art-of-background-tasks-continuous-deployment) - [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) - [ChatGPT and Java: A Match Made in Heaven or Hell?](https://www.wearedevelopers.com/videos/536-chatgpt-and-java-a-match-made-in-heaven-or-hell) - [Build and Deploy a Fullstack App with Open Source Tooling](https://www.wearedevelopers.com/videos/775-build-and-deploy-a-fullstack-app-with-open-source-tooling) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Frontend Developer Salary in The UK](https://www.wearedevelopers.com/magazine/233-frontend-developer-salary-in-the-uk) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [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) - [The 7 Most Popular Backend Frameworks for Developers](https://www.wearedevelopers.com/magazine/403-the-7-most-popular-backend-frameworks-for-developers) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london)