Job Description

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.

Qualifications

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 interactions and data processing flows
- Strong understanding of REST API concepts, including:
- HTTP methods, status codes, idempotency
- API versioning, error handling, and performance considerations
- Hands-on experience implementing security best practices, including:
- Authentication and authorization with Spring Security
- OAuth and JWT
- Proven experience in JV

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