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Nexify Infosystems
Senior Java Developers (ION integrations)

Senior Java Developers (ION integrations)

Hybrid

London, United kingdom

Senior

Freelance

15-10-2025

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Skills

Java CI/CD Test git CI/CD Pipelines

Job Specifications

Position: Senior Java Developers (ION integrations)

Location: London (UK) preferred hybrid (2-3 days/week). Remote within UK/EU with occasional travel to London can be considered for the right profiles

Contract model: Inside or Outside IR35 (both possible)

Experience: 6-8+ years in Java engineering for trading systems/front-office IT.

Core engineering

Java (advanced), multithreading, design patterns, data structures, algorithms
Service-oriented architectures, OOP
CI/CD pipelines; Git/Bitbucket

ION integration (at least one of the two must be deep)

CNE 2.0, STT, BBG_MDATA integrations.
High-performance, low-latency services interfacing with ION and cloud pricing endpoints.

Responsibilities

Design and implement robust, scalable integration services
Collaborate with SME/BA to translate workflows and pricing needs into reliable services
Own build/test/deploy with CI/CD and production support handover

About the Company

Nexify Infosystems is a forward-thinking IT firm at the forefront of technological innovation. We provide state-of-the-art IT solutions across various industries, including software development, IT consulting & Staffing, cybersecurity, AI, ML, and Cloud services. Our team is dedicated to innovation, collaboration, problem-solving, and fostering growth for our clients. As we continue to evolve, we remain committed to shaping tomorrow's technology today. Connect with us for industry insights, innovation, and collaboration oppo... Know more