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Jobtailor

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Senior Fullstack Developer – Backend First

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Summary

Jobtailor is hiring a Senior Fullstack Developer (backend-first) in London to own features end-to-end, mentor junior engineers, and join on-call rotations. The core stack is PHP or Go on the backend with TypeScript, plus AI-powered tooling.

  • Design, build and ship features end-to-end across web, mobile and backend as needed
  • Own meaningful pieces of the product surface and the systems that back them
  • Raise the bar on code quality, testing and engineering hygiene in the team
  • Mentor more junior engineers through pairing, reviews and design discussions
  • Partner with product and design to refine scope and surface trade-offs
  • Contribute to on-call rotations and improve the reliability of the team’s systems
  • Work closely with product, design and other engineers to deliver customer value
  • Learn and apply AI-powered tooling

Requirements

  • 5+ years of professional software engineering experience
  • Strong skills in at least one backend language: PHP or Go
  • High level of competency in TypeScript
  • Comfortable owning features from idea to production with minimal hand-holding
  • Solid grounding in software design, testing and operational excellence
  • Demonstrated ability to collaborate with PMs and designers on ambiguous problems
  • Pragmatic, customer-obsessed and a strong written communicator
  • Comfortable with AI tooling

Core Competencies

Demonstrates expertise in software engineering with a focus on backend development using PHP or Go, and TypeScript. Proven ability to mentor junior engineers and collaborate effectively with cross-functional teams to deliver high-quality features and improve system reliability.

Highest-signal resume keywords

  • Backend Development (PHP or Go)
  • TypeScript Proficiency
  • Software Design and Testing
  • Mentorship and Collaboration
  • AI Tooling Experience

ATS Optimization Keywords

Hard Skills

  • Software Engineering
  • Backend Language (PHP)
  • Backend Language (Go)
  • TypeScript
  • Software Design
  • Testing
  • Operational Excellence
  • Feature Ownership
  • Code Quality
  • Engineering Hygiene

Soft Skills

  • Mentorship
  • Collaboration
  • Customer-Obsessed
  • Written Communication
  • Problem-Solving

Tools & Technologies

  • AI-Powered Tooling

Skills

What Senior Full-Stack jobs ask for — and how much of it you have →

See also

Full-Stack jobs by country — openings, pay and top skills →

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