Senior Backend Engineer - Remote Real-Time AI Pipelines

parser; Barcelona; Híbrido; EUR 70.000 - 120.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Medical insurance

Hybrid working environment

Competitive compensation

Descripción de la vacante

Parser is a boutique technology services and consulting firm delivering AI-enabled and data-driven solutions across Europe and the Americas. As a Senior Backend Engineer, you will own backend services powering a new conversational AI product, designing high-throughput microservices and real-time pipelines while integrating LLM-driven tool-calling capabilities to create scalable user experiences.

You will collaborate with cross-functional teams, maintain robust observability, and ensure sound

Formación

• Backend development expertise with Node.js/TypeScript and Go.
• Experience designing microservices and API endpoints (REST/gRPC).
• Hands-on with AWS and container orchestration on Kubernetes.

Responsabilidades

• Design, build, and maintain high-performance microservices and REST/gRPC APIs using TypeScript (Node.js) and Go.
• Architect event-driven data pipelines using Kafka, SQS/SNS, and similar systems.
• Model and tune relational data stores like PostgreSQL/MySQL; work with OpenSearch and Redis.
• Deploy and scale containerized apps on AWS with Kubernetes (EKS/ECS).
• Instrument services with observability tooling and maintain testing standards.
• Define clean service boundaries and contribute to documentation and incident response.

Conocimientos

Backend development

Microservices

Observability

Herramientas

Node.js

TypeScript

Go

AWS

Kubernetes

Kafka

PostgreSQL

MySQL

OpenSearch/Elasticsearch

Redis

SQS/SNS

Descripción del empleo

Parser is a boutique technology services and consulting firm delivering AI-enabled and data-driven solutions across Europe and the Americas. As a Senior Backend Engineer, you will own backend services powering a new conversational AI product, designing high-throughput microservices and real-time pipelines while integrating LLM-driven tool-calling capabilities to create scalable user experiences.

You will collaborate with cross-functional teams, maintain robust observability, and ensure sound