Senior Backend Developer (605004)

Job Description

A global product company building large-scale, decision-critical systems is expanding its R&D hub in Lisbon, and looking for a skilled Backend Developer to join the team.

You’ll work on real-time, cloud-native architecture that powers complex processes at scale, with full ownership and a modern tech stack.

You’ll own features end-to-end, shape architecture, and work with a high-caliber team that values clean code, autonomy, and engineering excellence.

What You’ll Be Working On

  • High-scale, low-latency backend services in Scala (or Java)
  • Real-time decision engines, data pipelines, and event-based architecture (Kafka, Spark)
  • Microservices deployed via Docker & Kubernetes in a cloud environment (AWS)
  • Systems that ingest and process thousands of events per second — with uptime, observability, and speed as core priorities
  • Full software lifecycle – plan, code, deploy, monitor

Tech Stack

Scala, Kafka, Spark, K8s, Docker, Aerospike, ElasticSearch, AWS, GitOps, CI/CD

This is a full time Hybrid position, working 2 days a week from home.

Who You Are

  • 3+ years of backend development experience in JVM-based languages
  • Production experience with cloud infrastructure (AWS, GCP, Azure)
  • Solid knowledge of Docker, Kubernetes, and microservice design
  • Familiarity with functional programming principles (you’ve practiced or are eager to dive in)
  • Strong ownership mindset — you care how your code behaves in production
  • Based in Portugal (or able to work hybrid from Lisbon), with valid work authorization

Nice to Have

  • Experience with data streaming or distributed systems
  • CI/CD ownership, GitOps workflows
  • Interest in system design and scalability challenges

Why Join?

  • Full engineering ownership – no micromanagement, no red tape
  • Build core systems with real-world impact at scale
  • Hybrid work (3 days/week in the Lisbon office)
  • Join a global tech company with strong funding and momentum

Compensation & Benefits

  • High salary + annual bonus
  • Full-time contract under Portuguese labor law (via EOR)
  • Meal, wellness, WFH & healthcare allowances
  • Flexible hours, learning budgets, Udemy access, and more

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