node.js developer for POS platforms

Enfint; Greater London; On-site; GBP 90,000 - 120,000; Full time

Job summary

On ищет опытного backend-инженера для разработки и масштабирования сервисов интеграций POS, ERP, eCommerce и CRM. Вы будете проектировать надежные REST и GraphQL API, обеспечивать безопасность и масштабируемость.

Вам предстоит работать с Kafka, Terraform и облачными платформами (AWS, GCP или Azure), внедрять CI/CD вместе с QA и DevOps, а также участвовать в анализе инцидентов и наблюдении через NewRelic. Присоединяйтесь к глобальной команде On и вливайте технические решения, влияющие на дорожную

Qualifications

• 3+ года опыта backend на Node.js/TypeScript.
• Опыт интеграции API в commerce/ERP/CRM.
• Знание headless commerce и микросервисной архитектуры.
• Опыт работы с Kafka и асинхронной обработкой данных.
• Опыт проектирования и мониторинга облачных сервисов.

Responsibilities

• Разработка и масштабирование бэкенд-сервисов для интеграций POS across ERP/CRM/eCom.
• Разработка REST и GraphQL API.
• Реализация потоков OAuth/SSO и безопасных конвейеров событий.
• Вклад в cloud-native архитектуру и событийно-ориентированную инфраструктуру.
• Построение масштабируемых интеграционных паттернов с Kafka и серверлесс-решениями.
• Поддержка наблюдаемости через мониторинг и алерты (NewRelic).
• Способствование CI/CD совместно с QA и DevOps.
• Участие в инцидент-реакции и анализе пост-мортем.

Skills

Node.js

TypeScript

Backend development

API integration

Cloud services

Kafka

Asynchronous processing

Tools

Terraform

PostgreSQL

AWS

GCP

Azure

Job description

Описание:

On develops retail experiences and builds in-store technology, including a global Point of Sale ecosystem that connects physical stores with digital platforms and cloud services.

Задачи:

• Design, build, and scale backend services for POS integrations across ERP, eCom, 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 with automated 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 strengthen 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 Node.js, TypeScript, or similar technologies
• Proven experience integrating APIs across commerce, ERP, OMS, or CRM domains
• Familiarity with headless commerce, microservices, and composable architecture principles
• Experience with Kafka and asynchronous data processing
• Solid understanding of databases such as PostgreSQL and infrastructure-as-code tools such as Terraform
• Experience 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, including logs, traces, metrics, and real-time alerting

Условия:

London, England, United Kingdom

On is an Equal Opportunity Employer committed to a fair and inclusive work environment free from discrimination.