Senior Full Stack Engineer TypeScript Elixir AWS

Client Server

📍 London, England, United-Kingdom 💼 Full-time 🕒 Posted February 20, 2026

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Job Description

Senior Full Stack Engineer / Developer (TypeScript Elixir AWS) London / Hybrid Up to £100k + Equity  
Join a fast-growing energy trading data scale-up as a Senior Full Stack Engineer, working on complex greenfield systems that demand scalability, reliability and clean architecture. You'll own projects end-to-end, solve challenging technical problems and work with a modern tech stack including TypeScript, Elixir, Elm and AWS. 
What you'll do:  
Lead full stack development across greenfield products 
Design, build and ship scalable, data-driven systems 
Work 50/50 across backend and frontend in a modern, polyglot environment 
Mentor team members and help shape engineering best practices 
Tech Stack:  TypeScript, Elixir, Elm, Ember, Python, Phoenix, LiveView, PostgreSQL, AWS, Docker
(Experience with all not required.) 
About you:  
Strong Computer Science fundamentals (STEM degree, 2:1+) 
            
            Ready to Apply?Submit your application today and join our talented team at Client Server.
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Job Details

Location London, England
Job Type Full-time
Category Other-General
Posted Date February 20, 2026
Application Deadline April 01, 2026