backend developer for POS platforms

Enfint

Greater London

On-site

GBP 90,000 - 130,000

Full time

7 days ago
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Job summary

Enfint в Лондоне ищет backend-инженера для разработки и масштабирования сервисов, поддерживающих интеграции POS с ERP, eCommerce, CRM, запасами и программами лояльности.

Требуется 3+ года опыта с Node.js, TypeScript, микросервисами, Kafka и облачными платформами. Офисная работа в Лондоне, Англия.

Qualifications

  • 3+ года опыта backend-инженерии с Node.js и TypeScript.
  • Опыт интеграции API в сферах commerce/ERP/CRM.
  • Знание headless commerce, микросервисной архитектуры и паттернов интеграции.
  • Опыт с Kafka и обработкой асинхронных данных.
  • Понимание PostgreSQL и Terraform; облачные сервисы AWS/GCP/Azure.
  • Опыт OAuth2, безопасной аутентификации и мониторинга.

Responsibilities

  • Проектирование, сборка и масштабирование backend-сервисов для интеграций POS с ERP, eCommerce, CRM, запасами и лояльностью.
  • Разработка быстрых и безопасных REST и GraphQL API.
  • Рализация синхронизации данных в реальном времени и пакетной обработки, OAuth/SSO.
  • Участие в архитектуре на основе облачных нативных и событийно-ориентированных подходов.
  • Построение масштабируемых паттернов интеграции через Kafka, RabbitMQ и serverless.
  • Обеспечение наблюдаемости: мониторинг через NewRelic, журналирование, трассировки и алерты.
  • Тестирование контрактов, нагрузочное тестирование и пайплайны тестовых данных.
  • Сотрудничество с QA и DevOps для CI/CD и повышения уверенности в релизах.
  • Участие в инцидент-менеджменте и постмортем-анализе для устойчивости платформы.
  • Сопряжение с frontend, продуктом и поставщиками по дизайну интеграций и реализации.
  • Влияние на выбор архитектуры и планы по развёртыванию через технические решения.

Skills

Node.js
TypeScript
API integration
Microservices
Event-driven architecture
Kafka
PostgreSQL
Terraform
Cloud platforms (AWS/GCP/Azure)
OAuth2
Observability/Telemetry

Tools

AWS
GCP
Azure

Job description

Описание

On creates performance-oriented products and retail experiences that connect physical stores with digital commerce. Its Retail Experience team develops in-store technology supporting seamless omnichannel journeys and global retail operations.

Задачи
  • Design, build, and scale backend services powering POS integrations across ERP, eCommerce, CRM, inventory, and loyalty platforms;
  • Develop performant, secure, and easy-to-consume REST and GraphQL APIs;
  • Implement real-time and batch data synchronization, OAuth and SSO authentication flows, and secure event pipelines;
  • Contribute to cloud-native, event-driven architecture for global retail operations;
  • Build scalable integration patterns using Kafka, RabbitMQ, and serverless workflows;
  • Support observability through proactive monitoring, alerting, and performance tuning with tools such as NewRelic;
  • Ensure reliability through contract tests, load tests, and test data pipelines;
  • Collaborate with QA and DevOps to streamline CI/CD and improve release confidence;
  • Participate in incident response and post-mortem analysis to improve platform stability;
  • Partner with frontend, product, and vendor teams to align integration design with platform capabilities;
  • Influence technical decisions during vendor evaluations and rollout phases;
  • Impact roadmap decisions by sharing technical insights and platform implications;
  • Contribute to the broader architecture vision for On’s composable commerce technology stack.
Требования
  • 3+ Years of backend engineering experience with modern technologies such as Node.js and TypeScript;
  • Proven experience integrating APIs across commerce, ERP, OMS, or CRM domains;
  • Familiarity with headless commerce, microservices, and composable architecture principles;
  • Experience with message brokers such as Kafka and asynchronous data processing;
  • Solid understanding of databases such as PostgreSQL and infrastructure-as-code tools such as Terraform;
  • Skilled in designing, scaling, and monitoring cloud-native services on AWS, GCP, or Azure;
  • Familiarity with OAuth2, token-based authentication, and secure service design;
  • Strong debugging and telemetry skills across logs, traces, metrics, and real-time alerting.
Условия

Office role in London, England, United Kingdom; On is an Equal Opportunity Employer committed to a fair and inclusive work environment free from discrimination.

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