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Experienced Software Engineer-Backend Major - Code Foundations

BarcelonaFull-time2026-10-05 → 2026-10-08
Hybrid

Core

Build and maintain backend services for a global marketplace of refurbished devices, focusing on migrating from a monolith to a distributed, service-oriented architecture. (via careerplan.io/jobs/7e1d063d-3415-4a18-adc1-71ea7bc870dc-experienced-software-engineer-backend-major-code-foundations-at-back-market)

Role type

Senior Backend Software Engineer (Fullstack-capable)

Builds

Scalable microservices, APIs, and data pipelines for a refurbished electronics platform

Domain

E-commerce / Refurbished electronics / Distributed systems

Deliverable

production ML models | product features

Required skills

Python, FastAPI, Golang, Django, PostgreSQL, Redis, Kafka, RabbitMQ, Kubernetes, Docker, GCP, System Design, Microservices, Performance Optimization

Preferred skills

VueJS, Typescript, Nuxt, State Management, End-to-end product thinking

Technologies

Python, FastAPI, SQLAlchemy, Celery, Golang, Django, VueJS, Typescript, Nuxt, Revolve, PostgreSQL, Redis, Kafka, RabbitMQ, BigQuery, GCP, Kubernetes, Docker, Datadog, ArgoCD, CircleCI, Github

Responsibilities

Design and build efficient, loosely coupled services; optimize delivery and mitigate technical chaos; contribute to high-impact architectural improvements; independently build frontend features; collaborate across technical domains

Seniority

Senior, hands-on IC