IGEM
IGEM
Apply as a Developer
S. Backend Engineer

S. Backend Engineer

Verified Expert in Backend Systems

  • S. Backend Engineer
  • London, UK
  • Member since July 8, 2017

Bio

Emma is a backend architect who designs and builds highly scalable distributed systems. With expertise in microservices, databases, and cloud infrastructure, she creates robust backends that handle millions of requests. Her focus on performance, reliability, and security ensures production systems run smoothly under any load.

Portfolio

Payment Processing Platform

Node.js, PostgreSQL, Redis, Microservices, Event-Driven, 99.99% Uptime, PCI Compliance

Real-time Analytics API

Node.js, ClickHouse, Kafka, WebSocket, High-throughput, Low-latency

Multi-tenant SaaS Backend

Node.js, PostgreSQL, Redis, Docker, Kubernetes, Auto-scaling, Load Balancing

Experience

Node.js – 8 years
PostgreSQL – 7 years
Microservices – 6 years
Docker – 6 years
Kubernetes – 5 years
Redis – 7 years
System Design – 8 years
AWS – 7 years

Availability

Full-time

Preferred Environment

Enterprise, Remote

The most amazing…

…system I architected handles 1B+ API requests per day with 99.99% uptime.

Principal Backend Engineer Stripe

2022 – 2023
  • Architected payment processing microservices handling $100B+ in annual transaction volume.
  • Led migration to event-driven architecture improving system resilience and scalability.
  • Implemented distributed tracing and monitoring reducing MTTR by 60%.
  • Mentored 10+ engineers on system design, database optimization, and best practices.

Technologies: Node.js, TypeScript, PostgreSQL, Redis, Kafka, Docker, Kubernetes, AWS, Terraform, DataDog, Prometheus

Senior Backend Engineer Deliveroo

2019 – 2022
  • Built real-time order management system processing 50K+ orders per minute.
  • Optimized database queries and implemented caching strategies reducing latency by 70%.
  • Designed and implemented REST and GraphQL APIs serving 5M+ daily users.
  • Led backend team of 6 engineers through system redesign and modernization.

Technologies: Node.js, Express, PostgreSQL, MongoDB, Redis, RabbitMQ, Docker, AWS, Elasticsearch

Backend Developer Fintech Startup

2017 – 2019
  • Developed secure banking APIs handling sensitive financial transactions.
  • Implemented authentication and authorization systems with OAuth2 and JWT.
  • Built automated testing and CI/CD pipelines improving deployment frequency by 10x.

Technologies: Node.js, Express, PostgreSQL, JWT, Docker, Jenkins, AWS, Mocha, Chai

2013 – 2017

Bachelor of Science in Computer Science

Imperial College London – UK

Backend

Node.js, Express.js, Nest.js, Fastify, Koa, GraphQL, REST APIs, gRPC

Languages

JavaScript, TypeScript, Python, Go, Java

Databases

PostgreSQL, MySQL, MongoDB, Redis, Elasticsearch, ClickHouse, DynamoDB

Microservices

Microservices Architecture, Service Mesh, API Gateway, Event-Driven, CQRS, Saga Pattern

Message Queues

Kafka, RabbitMQ, AWS SQS, Redis Pub/Sub, NATS

DevOps

Docker, Kubernetes, Terraform, Jenkins, GitHub Actions, CI/CD, GitOps

Hiring Made Easy

1
2
3
Hired
1

Talk to Our Recruitment Expert

An expert on our team will work with you to understand your goals, technical needs, and team dynamics.

2

Get Shortlisted & Already Vetted Candidates

We will share the top talent that matches your exact requirements. Already tested with complete interview details.

3

Interview & Finalise the Ones You Like

You can test them again by interviewing as you like before finalising. You get complete support from us in the interview process.

Don’t miss out on industry’s top talent

Hire Now
IGEM
IGEM is a platform that helps you hire top 3% AI & JS developers in less than 24 hours.

Cloud

AWS, GCP, Azure, Lambda, EC2, ECS, S3, CloudFormation

Monitoring

Prometheus, Grafana, DataDog, New Relic, ELK Stack, Distributed Tracing

Other

System Design, Performance Optimization, Security, Load Balancing, Caching Strategies, Testing, Agile, Code Review