Senior Backend Developer (Loved wardrobes start here.)

Whering; Greater London; Ibrido; GBP 90.000 - 120.000; Tempo pieno

Vantaggi offerti da questo lavoro

4-day work week

Unlimited holidays

Hybrid London office

Descrizione del lavoro

Whering LTD is seeking an experienced backend engineer to design and build scalable services using TypeScript and NestJS for a high-traffic fashion ecosystem. You will own Google Cloud Platform infrastructure, including Cloud Run, Cloud Functions, and Firestore, while delivering robust CI/CD pipelines and observability.

You will lead system design discussions, optimise database queries, and mentor peers, working closely with Product and Design in a fast-paced startup environment.

Competenze

• Deep backend experience in TypeScript and NestJS.
• RESTful APIs for mobile apps and third-party integrations.
• Hands-on with Google Cloud Platform: Cloud Run, Cloud Functions, Firestore.
• DevOps: setting up and maintaining CI/CD pipelines (Cloud Build, GitHub Actions).
• Monitoring, logging and alerting to keep production reliable.
• Database design, data modelling and query optimisation.
• Led technical discussions and architectural decisions on scalable systems.
• Right to work in the United Kingdom.

Mansioni

• Design and build scalable backend services in NestJS for the Whering app.
• Own our GCP infrastructure from Cloud Run and Cloud Functions to Firestore and Compute Engine.
• Build and maintain CI/CD pipelines for fast, automated deployments.
• Set up monitoring, logging, and alerting for platform reliability.
• Lead system design and architecture decisions shaping long-term foundations.
• Optimise performance and database queries for a fast user experience.
• Mentor teammates and lead code reviews to raise the bar.
• Collaborate with Product and Design to assess feasibility and timelines.
• Maintain clear, current technical documentation.
• Participate in sprint planning, stand-ups, and retros as part of agile process.

Conoscenze

TypeScript

NestJS

REST APIs

GCP

CI/CD

Monitoring

Architecture

Database design

Query optimization

Code reviews

Mentorship

Strumenti

Cloud Run

Cloud Functions

Firestore

Cloud Build

GitHub Actions

Descrizione del lavoro

• Design and build scalable backend services in NestJS that power the Whering app for millions of users


• Own our GCP infrastructure, from Cloud Run and Cloud Functions to Firestore and Compute Engine


• Build and maintain CI/CD pipelines that keep deployments fast and automated


• Set up the monitoring, logging, and alerting that keep our platform reliable


• Lead system design and architecture decisions that shape our long-term technical foundation


• Optimise performance and database queries to keep the user experience fast


• Raise the bar for the team through code reviews and technical mentorship


• Partner with Product and Design to assess feasibility and set realistic timelines


• Keep technical documentation clear and current


• Join sprint planning, stand-ups, and retros as part of our agile process

• 4-day work week


• Unlimited holidays


• Hybrid working-remote and in-person London office

Qualifications and experience

• You have deep backend experience in TypeScript and NestJS (or a comparable Node.js framework)


• You've designed and built well-structured RESTful APIs for mobile apps and third-party integrations


• You have hands-on experience with Google Cloud Platform, including Cloud Run, Cloud Functions, and Firestore


• You have solid DevOps experience, including setting up and maintaining CI/CD pipelines (Cloud Build, GitHub Actions or similar)


• You've implemented monitoring, logging, and alerting to keep production systems reliable


• You're confident in database design, data modelling, and query optimisation


• You've led technical discussions and made architectural decisions on scalable systems


• You have the right to work in the United Kingdom

Nice to have

• You've built event-driven architectures using BullMQ/Redis or similar


• You've debugged complex issues across distributed systems and microservices


• You've mentored other developers through code reviews


• You've evaluated and integrated third-party services and APIs


• You've worked in a fast-paced startup or early-stage environment


• You're passionate about sustainable fashion and our mission to help people buy better, not more