Low-Latency Java Engineer — C++ Migration Expert

Luxoft Poland; Kraków; On-site; PLN 180,000 - 280,000; Full time

Job summary

Luxoft Poland in Kraków is seeking a senior Software Developer to maintain and migrate existing components to Java for internal exchanges, liquidity pools, brokers and price vendors. The role emphasizes low-latency Java development and C++ interoperability.

You will work in an Agile team, own deliveries, and help transition remaining C++ components to Java while expanding into adjacent areas of the stack. The team operates in fast-paced cycles and emphasizes automation and reliability.

Qualifications

• 5+ years hands-on Java experience with a focus on low latency systems.
• Willingness to work with C++ during migration to Java.
• Strong Linux/Bash knowledge.
• Knowledge of event streaming and messaging systems.
• Ability to produce secure, stable and performant code.

Responsibilities

• Maintain and develop Java components for internal/external exchanges, liquidity pools, brokers and price vendors.
• Migrate remaining C++ components to Java.
• Develop new functionality and automated test scripts.
• Work in an Agile team delivering in two-week cycles.
• Deliver innovative, high-quality solutions for Investment Banks trading stacks.
• Collaborate with stakeholders to introduce automated processes and practices.

Skills

Java (5+ yrs)

Low latency design

Linux/Bash

Event streaming

Secure code

C++ readiness

Job description

Luxoft Poland in Kraków is seeking a senior Software Developer to maintain and migrate existing components to Java for internal exchanges, liquidity pools, brokers and price vendors. The role emphasizes low-latency Java development and C++ interoperability.

You will work in an Agile team, own deliveries, and help transition remaining C++ components to Java while expanding into adjacent areas of the stack. The team operates in fast-paced cycles and emphasizes automation and reliability.