Onlano
Backend DevelopmentOnsite

Senior Back End (TypeScript) Engineer | 3 Days Per Week

Owen Thomas | B Corp™ - Company

London, UK, 🇬🇧 United KingdomPart-time - Senior (4-7 years)0 applicantsCloses Jun 17, 2026

Salary

GBP 78,855 - 78,855 / year

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Job description

Job details

  • Location: London, UK
  • Work mode: Onsite
  • Employment type: Part-time (Not an internship)
  • Salary: GBP 78,855 per year

Role overview

Senior Back End Engineer to build scalable systems for a sports data platform amplifying fan voices. Focus on TypeScript/Node.js architecture for a mission-driven tech team.

Job details

Based in London, UK (onsite). Part-time role (3 days per week). Salary: £78,855 per year. Not an internship.

Responsibilities

  • Design and implement high-performance backend systems using TypeScript/Node.js
  • Collaborate on scalable architecture for real-time sports data platform
  • Integrate third-party services and optimize database performance

Requirements

  • 4+ years backend development experience with TypeScript/Node.js
  • Proven expertise in building RESTful APIs and microservices
  • Strong understanding of cloud infrastructure (AWS preferred)

Benefits

  • B Corp certified employer with mission-driven culture
  • Flexible 3-day workweek
  • Professional development budget

Keywords

TypeScriptNode.jsAPI developmentRESTful servicesmicroservicesJavaScriptAWSDockerKubernetesSQL