Back Posted: Jun 21 2025

Senior Full Stack Engineer

Aldgate, London , United Kingdom

IT jobs >> Telecommunications/Internet

Negotiable

Permanent

Name Confidential

Description

Senior Full Stack Engineer
Salary £80k to £85k + Bonus and excellent pension/ benefits
Location: Central London
About the client
Our client is an infrastructure communications technology company providing end-to-end fibre solutions and now Cloud solutions, Wi-Fi, Firewalls/Security, SD WAN, Managed LAN and UC services for businesses and wholesale/carrier/channel organisations across London.
What you will do:
We are looking for a Senior Full Stack Engineer to own end-to-end delivery of critical features, drive architectural excellence, and establish best practices. You’ll work hands-on across React, Node.js, and Python services, own our CI/CD and DevOps processes, integrate with network-centric systems, and mentor the wider engineering team as we grow.
‍Key responsibilities:
* Architect, build & implement scalable features in our React frontend and Node.js / Python backend (FastAPI, Celery)
* Design integrations with network devices, IPAM, monitoring platforms, Wi-Fi authentication systems, CRMs and partnered PropTech tools
* Continually hone and perfect our homegrown DevOps and CI/CD processes by further developing GitHub Actions pipelines, Terraform definitions and observability integrations.
* Ensure quality & reliability: establish testing best practices (unit, integration, end-to-end), conduct code reviews and demand high quality standards
* Shape and refine our cloud-native platform to optimise performance, security and scalability
* Mentor & lead intermediate developers, imparting knowledge and fostering a culture of clean code, peer review and shared ownership.
* Collaborate cross-functionally with product, operations and customer success to translate requirements into robust technical solutions.
A good fit candidate will have:
* 5+ years hands-on as a full stack engineer in a SaaS environment
* Expert in React (hooks, state management, performance)
* Strong backend skills in Node.js (Express) and Python (FastAPI, Celery)
* Deep familiarity with Microsoft Azure (App Services, Functions, networking)
* Proven experience working with network-focused systems (SNMP, IPAM, CLI automation)
* Solid understanding of Auth0 (or similar OAuth/OIDC) and secure authentication flows.
* Skilled with GitHub and GitHub Actions for automated CI/CD.
* Experience with infrastructure as code (ARM templates, Terraform, Bicep).
* Comfortable writing and maintaining tests (unit, integration, e2e).
* Excellent communication, problem-solving skills and ability to thrive in a fast-paced startup.
Desirable Experience:
* Background in network engineering or close collaboration with network operations teams.
* Experience building platform integrations and/or asynchronous automation systems.
* Open-source contributions in related domains.
* You’ve worked at an early-stage startup before and understand what “hands-on” really means

No. of positions available*: 1
Salary: Negotiable
Experience: None
Education: None
Post Date: June 21, 2025
Job id:. CV-76307
Position Type: Permanent
Applicants: 0
Views: 4

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