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Cloudheight Solutions

Junior Backend Developer (Node.js / TypeScript)

Cloudheight Solutions
Portugal · Full-time · Entry

We're looking for a Junior Backend Developer to join our team and help build the infrastructure powering a real-time sports trading platform.

Our technology aggregates odds and liquidity from multiple sportsbooks into a single system, allowing users to access the best available prices and execute trades seamlessly across different venues.

As part of a small and ambitious engineering team, you'll work on backend services, APIs, databases and distributed systems where performance, scalability and reliability are critical.

If you enjoy solving technical challenges, building production-grade software and working on real-time systems, we'd love to hear from you.

What You'll Be Doing

  • Developing and maintaining backend services using Node.js and TypeScript
  • Designing and building scalable APIs
  • Working with SQL databases and data-intensive applications
  • Contributing to distributed and event-driven systems
  • Optimising performance, latency and reliability
  • Collaborating closely with engineers in a fast-moving environment

Must-have Requirements

  • 2 to 4 years of professional backend development experience
  • Strong experience with:
    • Node.js
    • TypeScript
    • SQL
  • Experience building and maintaining APIs
  • Experience with Git and modern development workflows
  • Strong understanding of backend fundamentals
  • EU work eligibility
  • Availability to work from Lisbon on a hybrid basis
Highly Valued Experience

We're particularly interested in candidates who have worked on one or more of the following:

  • Real-time systems
  • WebSockets
  • Streaming applications
  • Event-driven architectures
  • Distributed systems
  • High-throughput applications
  • Sports data platforms
  • Trading or betting platforms
  • Latency-sensitive environments

Nice to have

  • PostgreSQL
  • Redis
  • Python
  • Rust
  • Docker
  • AWS, GCP or Azure

What We're Looking For

  • Someone who takes ownership and gets things done
  • Strong problem-solving skills
  • Comfortable working independently
  • Clear communicator
  • Curious about system design and backend architecture
  • Motivated to build production-grade systems

Location

Lisbon, Portugal (Hybrid)

Salary

Competitive package depending on experience.

Skills: node.js,typescript,sql

Key Skills

Ranked by relevance

git sql gcp
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Posted
Jun 17, 2026
Type
Full-time
Level
Entry
Location
Lisbon

Industries

IT Services IT Consulting

Categories

Engineering Information Technology

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