Mid Full-Stack Engineer: Scale PHP & React Apps

Kpler; United Kingdom; On-site; GBP 60,000 - 85,000; Full time

Job summary

United States Digital Space LLC is seeking a Mid Full-Stack Engineer to build and scale core systems and internal tools. You will work on PHP backend services, including billing, and craft frontend interfaces with React and TypeScript across the product ecosystem.

You will collaborate with Product, Finance, Revenue Operations, and CRM to optimize workflows for global users, while advancing code quality and adopting modern engineering tools such as Docker and Kubernetes.

Qualifications

• 3+ years of professional software engineering experience with strong PHP backend skills.
• Solid SQL and relational DB experience; REST APIs and integrations.
• Proficient in TypeScript/JavaScript, Node.js, and React.
• Familiar with Git, automated tests, and DevOps basics (Docker, Kubernetes).
• BSc/MSc in Computer Science or related field; strong English communication.

Responsibilities

• Architect backend services in PHP and maintain billing and core modules.
• Develop responsive frontend interfaces using React and TypeScript.
• Ensure reliability with end-to-end tests, logging, and graceful failures.
• Collaborate with Product, Finance, CRM, and Revenue teams.
• Improve code quality and modernize legacy components.
• Maintain database schemas and CI/CD workflows in production.

Skills

PHP

SQL

REST APIs

TypeScript

React

Node.js

Docker

Kubernetes

English

Education

BSc/MSc in Computer Science or related

Tools

Docker

Kubernetes

Git

CI/CD

Job description

United States Digital Space LLC is seeking a Mid Full-Stack Engineer to build and scale core systems and internal tools. You will work on PHP backend services, including billing, and craft frontend interfaces with React and TypeScript across the product ecosystem.

You will collaborate with Product, Finance, Revenue Operations, and CRM to optimize workflows for global users, while advancing code quality and adopting modern engineering tools such as Docker and Kubernetes.