> Markdown version of [/jobs/ext/2970622-software-engineer-back-end](https://www.wearedevelopers.com/jobs/ext/2970622-software-engineer-back-end). 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). --- # Software Engineer, Back-End - **Company:** Aether - **Location:** London, UK - **Experience:** Experienced - **Salary:** £70,844.0 - **Contract:** Permanent contract - **Skills:** 3d Models, Computer-Aided Design, Application Programming Interfaces (APIs), Business Logic, Cloud Computing, Continuous Integration, Relational Databases, Software Debugging, DevOps, Django Web Framework, Python (Programming Language), PostgreSQL, Performance Tuning, Redis, Next.js, Simulation Software, Pulumi, ReactJS, Backend, Celery, Front End Software Development, Restful APIs - **Published:** September 18, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5889040961 ## About the Role * You thrive in early-stage, fast-moving environments. * You are technically sharp, deeply curious, and own outcomes. * You know when to ship fast and when to be rigorous. * You love solving real-world problems and optimizing complex systems., * 3+ years of backend experience in a production environment * Strong proficiency in Python and Django (or equivalent frameworks) * Deep understanding of relational databases and data modeling (PostgreSQL preferred) * Experience building and scaling REST APIs * Familiarity with cloud platforms (GCP preferred), containers, CI/CD * Fluent in English, with excellent written and verbal communication Nice to Have We don't expect you to check every box, but the more of these you bring, the better: * Background in engineering, physics, math, or computational science * Experience with asynchronous tasks (Celery, task queues), Redis, and performance optimization * Familiarity with solar energy systems, CAD/3D modeling, or simulation software * Strong debugging skills and architectural instincts * Comfort working with modern frontend stacks (React/Next.js) or APIs consumed by them * Experience building B2B SaaS tools, quoting systems, or real-time apps * Contributions to infrastructure/DevOps, Pulumi, or observability tools ## Description We're looking for an experienced Backend Engineer to take a lead role in developing our core platform. You'll work closely with the founders and product team to architect and build high-performance APIs, structure complex business logic, and contribute to systems that simulate solar energy, manage 3D projects, and power customer proposals. ## Related Videos - [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) - [WeAreDevelopers LIVE – AI, Freelancing, Keeping Up with Tech and More](https://www.wearedevelopers.com/videos/1786-wearedevelopers-live-ai-freelancing-keeping-up-with-tech-and-more) - [Why segmenting your infrastructure into tiers makes your infrastructure design better](https://www.wearedevelopers.com/videos/1960-why-segmenting-your-infrastructure-into-tiers-makes-your-infrastructure-design-better) - [Reducing LLM Calls with Vector Search Patterns - Raphael De Lio (Redis)](https://www.wearedevelopers.com/videos/1714-reducing-llm-calls-with-vector-search-patterns-raphael-de-lio-redis) - [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) - [Unleashing Potential Across Teams: The Power of Infrastructure as Code](https://www.wearedevelopers.com/videos/930-unleashing-potential-across-teams-the-power-of-infrastructure-as-code) ## Related Articles - [The 7 Most Popular Backend Frameworks for Developers](https://www.wearedevelopers.com/magazine/403-the-7-most-popular-backend-frameworks-for-developers) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [What’s the Difference Between Frontend and Backend Development?](https://www.wearedevelopers.com/magazine/240-what-s-the-difference-between-frontend-and-backend-development) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)