Mid Full-Stack Engineer: PHP, Stripe & React

Kpler; United Kingdom; On-site; GBP 60,000 - 90,000; Full time

Job summary

Kpler is seeking a Mid Full-Stack Engineer to build and scale core systems, spanning PHP backends and React frontends. You will work on Stripe-driven billing, subscription infrastructure, and internal tools, collaborating with Product, Finance and CRM teams to improve workflows for our global users.

The role emphasizes code quality, modern tooling, and reliable deployments, with focus on SQL databases, CI/CD, and observability.

Qualifications

• 3+ years of professional software engineering, backend PHP focus.
• Strong SQL and relational DBs; design REST APIs and system integrations.
• TypeScript/JavaScript, Node.js, and React experience.
• DevOps basics: Git, code reviews, automated tests; Docker and Kubernetes familiarity.
• BSc or MSc in CS/CE or equivalent; excellent English.

Responsibilities

• Architect and maintain backend PHP services, focusing on billing and management.
• Build frontend UX with React, TypeScript, and Node.js.
• Ensure production reliability with end-to-end tests and robust logging.
• Collaborate with Product, Finance, CRM, and Revenue Ops teams.
• Drive code quality, modernize legacy components, explore new tools.
• Maintain system health, troubleshooting, and manage SQL schemas and CI/CD.

Skills

Backend PHP

SQL databases

REST API design

TypeScript/JavaScript

React

Node.js

Git

Docker

Kubernetes

Code reviews

Automated testing

Education

BSc/MSc in CS/CE

Tools

Stripe payments

Job description

Kpler is seeking a Mid Full-Stack Engineer to build and scale core systems, spanning PHP backends and React frontends. You will work on Stripe-driven billing, subscription infrastructure, and internal tools, collaborating with Product, Finance and CRM teams to improve workflows for our global users.

The role emphasizes code quality, modern tooling, and reliable deployments, with focus on SQL databases, CI/CD, and observability.