Senior JavaScript Engineer (Remote) - AI-Driven TS Backend

Lever, Inc.; Portugal; Teletrabalho; EUR 90 000 - 120 000; Tempo integral

Vantagens oferecidas por esta oferta de emprego

Flexible Time Off

Public Holidays Off

Paid Parental Leave

Work From Home Stipend

Therapy/Mental Health Reimbursement

Co-working Space Allowance

Company Swag

Resumo da oferta

Relay Commerce is seeking a Senior JavaScript Engineer to help design and evolve TypeScript services powering replenishment, cross-sell, and subscription offerings for Shopify stores. You will own features end-to-end and collaborate with AI-assisted tooling within a fully remote team.

You will work primarily on server-side TypeScript (~70%) with AWS Lambda, MySQL, Prisma, and contribute to React front-ends (~30%). Strong emphasis on reliability, observability, and scalability.

Qualificações

• Significant, proven, senior-level experience with JavaScript across multiple frameworks.
• Extensive experience designing REST APIs, especially for systems integrating with third-party platforms.
• Deep expertise crafting TypeScript using class-oriented design, strong typing, SOLID principles, OOP patterns, and TDD.

Responsabilidades

• Design and deliver serverless TypeScript services on AWS Lambda, backed by MySQL and Prisma ORM.
• Contribute to efficient, modern React applications which rely on our APIs and integrate with Shopify/Klaviyo ecosystems.
• Own features end-to-end, shipping solutions to real customer problems with the team.
• Support live production systems by joining escalation schedules and maintaining reliability.
• Participate in architectural discussions and technical decision making across Relo and Relay Commerce.
• Add agent context to codebases, run coding agents and AI-powered features to enable LLMs.

Conhecimentos

JavaScript

TypeScript

REST APIs

React

AWS

SQL

MySQL

Prisma ORM

DataDog

SRE practices

Ferramentas

AWS Lambda

MySQL

Prisma ORM

DataDog

Shopify integration

Descrição da oferta de emprego

Relay Commerce is seeking a Senior JavaScript Engineer to help design and evolve TypeScript services powering replenishment, cross-sell, and subscription offerings for Shopify stores. You will own features end-to-end and collaborate with AI-assisted tooling within a fully remote team.

You will work primarily on server-side TypeScript (~70%) with AWS Lambda, MySQL, Prisma, and contribute to React front-ends (~30%). Strong emphasis on reliability, observability, and scalability.