Backend Engineer at State Technologies Ltd (State)

Jack & Jill/External ATS; Greater London; On-site; GBP 60,000 - 80,000; Full time

Job summary

A digital platform for civic engagement is seeking a Backend Engineer to build and maintain high-quality Laravel services and APIs. This role involves architecting scalable systems and working on innovative integrations to enhance citizen engagement with democracy. Candidates should have 5+ years of Laravel experience, knowledge of scalable architectures, and familiarity with GIS systems and Knowledge Graphs. This position offers an opportunity to make a meaningful societal impact through technology.

Benefits

Mission-driven work

Cutting-edge technology

Collaborative environment

Qualifications

• 5+ years of professional Laravel experience with PHP and databases such as PostgreSQL and Redis.
• Hands-on experience with OpenAI or other LLM providers, including model integration and vector retrieval.
• Strong knowledge of unit testing frameworks (PHPUnit/Pest), scalable architecture patterns, GIS systems, and Knowledge Graphs.

Responsibilities

• Design, develop, test, and deploy scalable backend services and APIs using Laravel.
• Architect and optimize systems supporting GenAI integrations, GIS, and Knowledge Graphs.
• Collaborate cross-functionally with Product and AI teams to integrate LLMs and vector retrieval.

Skills

Laravel

PHP

PostgreSQL

Redis

Unit testing frameworks

Scalable architecture

GIS systems

Knowledge Graphs

OpenAI

Job description

Overview

This is a job that we are recruiting for on behalf of one of our customers.

To apply, speak to Jack. He is an AI agent that sends you unmissable jobs and helps you ace the interview. He’ll make sure you are considered for this role, and help you find others if you ask.

Backend Engineer

Company Description: State Technologies Ltd (State) – VC-backed digital platform for civic engagement, backed by Zulu Group (creators of Jawbone and Elvie).

Job Description: Join State as a Backend Engineer to build and maintain high-quality Laravel services and APIs. You’ll architect scalable systems supporting GenAI integrations, GIS, and Knowledge Graphs, helping make civic engagement intuitive, participatory, and accountable. This role connects citizens with their representatives and drives meaningful societal impact.

Location: London, UK

Why this role is remarkable:

• Contribute to a mission-driven platform reimagining how citizens interact with democracy.
• Work for a company backed by Zulu Group, combining cutting-edge tech with human-centered design.
• Architect and build production-grade systems supporting GenAI integrations, GIS, and Knowledge Graphs, creating measurable societal impact.

What you will do:

• Design, develop, test, and deploy scalable backend services and APIs using Laravel, ensuring high concurrency and extensibility.
• Architect and optimize systems supporting GenAI integrations, GIS, Knowledge Graphs, and high-concurrency workloads.
• Collaborate cross-functionally with Product and AI teams to integrate LLMs, vector retrieval, and graph reasoning, following best practices in code quality and observability.

The ideal candidate:

• 5+ years of professional Laravel experience with PHP and databases such as PostgreSQL and Redis.
• Hands-on experience with OpenAI or other LLM providers, including model integration and vector retrieval.
• Strong knowledge of unit testing frameworks (PHPUnit/Pest), scalable architecture patterns, GIS systems, and Knowledge Graphs.

How to Apply:

1. To apply for this job speak to Jack, our AI recruiter.
2. Step 1. Visit our website
3. Step 2. Click 'Speak with Jack'
4. Step 3. Login with your LinkedIn profile
5. Step 4. Talk to Jack for 20 minutes so he can understand your experience and ambitions
6. Step 5. If the hiring manager would like to meet you, Jack will make the introduction