Company description
We're looking for a Senior Java Engineer to join a large-scale financial services platform in the middle of an active Java modernization journey . In this role, you'll help migrate and evolve legacy systems toward modern Java (17/21) and cloud-native architectures on AWS , working on performance-critical, secure, and highly scalable services that run in production at scale.
Overview
Your Impact
- Join a large-scale financial services platform , supporting business-critical systems with high standards of reliability, security, and performance.
- Play a key role in the ongoing modernization of enterprise Java applications , including:
- Migrating legacy Java services to modern Java versions (Java 17 / Java 21)
- Refactoring existing codebases to improve scalability, performance, and maintainability
- Contributing to architectural evolution toward modern, cloud-native patterns
- Design and enhance high-performance backend systems , supporting both new features and platform evolution.
- Collaborate directly with senior client stakeholders in a highly autonomous,



client-facing environment.
- Contribute to platform stability by participating in production-related activities , while keeping development and modernization as the primary focus.

Your Skills and Experience
- Strong hands-on experience with Java in enterprise-scale systems , ideally within regulated or high-availability environments.
- Proven experience working with modern Java versions , including Java 17 and Java 21 .
- Solid understanding of Core Java fundamentals , including:
- Java Collections Framework (List, Set, Map, concurrency-aware collections)
- Object-oriented principles and enterprise design patterns
- Strong background in concurrency and multithreading , including:
- ExecutorService , thread pools, synchronization strategies
- Designing thread-safe, high-performance systems
- Experience optimizing backend performance across:
- REST APIs
- SQL queries and data access layers
- M

📌 Senior Java Engineer (Bogotá, D.C.)
🏢 Publicis Groupe
📍 Bogotá, D.C.