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.

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
- Microservices intera

📌 Senior Java Engineer (Bogotá)
🏢 Publicis Groupe
📍 Bogotá