Remote Remote (Country) £65000- £70000

OnBuy is hiring a Senior Full Stack Engineer

About the Role

This position involves leading technical initiatives across both frontend and backend systems, contributing to the evolution of a scalable online marketplace while working closely with product and engineering teams to deliver reliable, user-focused solutions.

Responsibilities

  • Design and implement scalable backend services and APIs
  • Develop responsive and accessible frontend components
  • Collaborate with product managers and designers to define feature requirements
  • Optimize application performance and reliability
  • Participate in code reviews and technical design discussions
  • Troubleshoot and resolve production issues
  • Write automated tests to ensure code quality
  • Contribute to system architecture improvements
  • Support deployment pipelines and CI/CD processes
  • Maintain documentation for systems and workflows
  • Evaluate and integrate third-party tools and services
  • Monitor system health and respond to alerts
  • Mentor junior engineers and promote best practices
  • Stay current with emerging technologies and industry trends
  • Ensure compliance with security and data protection standards

Nice to Have

  • Experience with microservices architecture
  • Familiarity with GraphQL
  • Knowledge of server-side rendering techniques
  • Experience in e-commerce or marketplace platforms
  • Background in agile or lean development practices
  • Exposure to observability and monitoring tools
  • Previous work in high-traffic web applications
  • Understanding of SEO best practices
  • Experience with internationalization and localization
  • Contributions to open-source projects

Compensation

Competitive salary with performance bonuses and equity options

Work Arrangement

Hybrid remote with office locations available

Team

Cross-functional product and engineering teams in a fast-growing marketplace

About Us

  • We are a rapidly expanding online marketplace connecting millions of buyers and sellers globally.
  • Our technology stack supports high-volume transactions and real-time data processing.

What We Offer

  • Flexible working hours and remote options
  • Professional development budget
  • Health and wellness benefits
  • Employee recognition programs

Available for qualified candidates

About company
OnBuy
Online marketplace focused on being the best choice for customers, recognized as one of the UK's fastest-growing tech companies by Deloitte
All jobs at OnBuy Visit website
Job Details
Department Technology
Category fullstack
Posted 2 months ago