CareerPlan

Java Developer - Barcelona

BarcelonaFull-time2026-10-08 → 2026-11-10
Hybrid

Core

Design and develop Java server-side applications and libraries for high-performance messaging infrastructure and trading systems.

Role type

Senior IC Java Developer (distributed systems)

Builds

Aeron (messaging infrastructure), Hydra (developer framework), Artio (FIX engine), Aeron Sequencer

Domain

Financial technology / Capital markets

Deliverable

production ML models | product features

Required skills

Java server-side development, distributed systems design, messaging protocols, software library design, testing (TDD), performance benchmarking

Preferred skills

Agile development, code reviews, technical communication

Technologies

Java, Aeron, Hydra, Artio

Responsibilities

Design and develop Java applications and libraries, write clean and documented code, troubleshoot and debug applications, participate in code reviews, keep up-to-date with emerging trends, pair with team members