Full Stack Engineer

Ki; Greater London; On-site; GBP 65,000 - 90,000; Full time

Job summary

Ki is seeking a Full-stack Engineer to build robust, scalable web-based software and enhance the Ki platform. You will design, build, test, and maintain APIs and integrations, while collaborating with Product and UX to deliver features with top-tier user experience.

You will work across a modern web stack, applying SOLID and DRY principles, and participating in Agile ceremonies. The role emphasizes fast prototyping, learning new technologies, and maintaining quality through automated testing and

Qualifications

• Experience with a modern web stack
• Knowledge of SOLID, DRY, ER modelling
• Server-side language experience, ideally JVM based
• Experience building SPA using React/TypeScript
• Front-end development and responsive design
• Cloud infrastructure familiarity and IaC
• Experience with CI/CD
• Build tools and version control
• Experience in agile teams and ceremonies
• Experience with Jira or similar tools
• Strong interpersonal and planning skills
• Ability to learn new technologies quickly

Responsibilities

• Build robust, scalable software for web-based applications
• Develop reusable web and mobile interfaces for Ki platform
• Design, build, test, and maintain APIs and integrations
• Ensure quality with automated testing, pairing, and reviews
• Collaborate with Product to translate user needs into solutions
• Document technical designs and analyses
• Assess architecture and identify growth opportunities
• Create mock-ups or prototypes for new initiatives
• Work with Product and UX to implement features and optimize UX
• Explore new technologies and rapid prototyping
• Uphold engineering principles and practices

Skills

Full‑stack development

React/TypeScript

JVM

APIs and integrations

Cloud infrastructure

CI/CD

Build tools (Maven)

Git/GitHub

Agile/Scrum/Kanban

Testing and code review

Tools

Maven

Git

Job description

Role Overview

Full‑stack Engineer, responsible for building robust, scalable software for web‑based applications and enhancing the Ki platform.

Responsibilities

• Build robust and scalable software for business critical, web‑based applications
• Build eye‑catching, functional, efficient, and reusable web and mobile‑based sites that drive these web applications
• Design, build, test, document and maintain APIs and integrations
• Ensure quality control using industry standard techniques such as automated testing, pairing, and code review
• Work with the Product team to understand end‑user requirements and translate them into an effective technical solution
• Document technical design and analysis work
• Assess current system architecture and identify opportunities for growth and improvement
• Build mock‑ups or prototypes to explore and troubleshoot new initiatives
• Work with the Product team and UX designers to review designs, implement new features, and ensure user experience is top level
• Explore new ideas and emerging technologies, develop prototypes quickly
• Uphold the engineering team’s principles and ways of working

Qualifications

• Experience as a mid‑senior level engineer working across a modern web stack
• Experience with software engineering principles (SOLID, DRY, ER modelling)
• Professional experience with a server‑side language, ideally JVM based
• Professional experience building web‑based single page applications, using React/Typescript or an equivalent
• Knowledge of front‑end development, able to build rich user interfaces following a responsive design
• Comfortable working with cloud infrastructure, infrastructure as code, familiar with standard logging and monitoring tools used to investigate issues
• Experience with continuous integration, or ideally, continuous delivery
• Comfortable with build tools (e.g. Maven) and version control tools (e.g. Git/Github)
• Experience working in agile teams, following Scrum or Kanban, participating in regular ceremonies including stand‑ups, planning, and retrospectives
• Experience using project management and workflow tools (e.g. Jira)
• Exceptional interpersonal skills, including teamwork, facilitation, negotiation and planning
• Ability to quickly comprehend the functions and capabilities of new technologies

Benefits

Highly competitive remuneration and benefits package, regularly reviewed to ensure relevance.