Lisbon · Hybrid · Front Office TechnologyJoin a global Front Office engineering team within one of Europe's largest and most stable banking groups. TheFX eTrading ITdepartment delivers cutting‐edge technology directly to the worldwide FX business, powering real‐time pricing, trading, booking and risk platforms used across London, New York, Tokyo, Singapore and beyond.Within this group, theBooking, Positions & STP teambuilds and maintains the core services responsible for trade booking, lifecycle management, real‐time positions and straight‐through‐processing—critical components relied upon by traders every day. Our mission is to evolve these high‐performance, grid‐based systems into strategic, scalable platforms supporting the bank's global growth.This is an exceptional opportunity for a highly motivated developer to work in a fast‐paced Front Office environment, collaborating directly with traders, quantitative teams and senior technologists.What You Will Do As part of this multidisciplinary team (Java & C#), you will: Develop and enhance thePosition & Trade Booking Platform, a mission‐critical component of the global FX eTrading ecosystem Ensure software is built to thehighest standards of performance, security and reliability Participate in the full Agile lifecycle: analysis, design, development, documentation, testing and peer reviews Work directly with traders, providingL3 supportand contributing to rapid issue resolution Support production teams with releases, monitoring and system stability Contribute to architecture discussions, propose technical improvements and shape long‐term platform strategy Lead developers when required, offering guidance through mentoring, pair programming and code reviews Engage in migration and refactoring initiatives to modernise and optimise platform components Analyse business requirements and translate them into high‐quality technical solutionsTechnical Skills RequiredCore Experience 5+ years' experience in enterprise software development, including 2+ years in a lead role Strong background inelectronic trading platformsor other high‐load, distributed systems Experience withJava Core(SE, multithreading, low-latency, optimisation) – Mastery level Practical knowledge ofC# Solid understanding of SDLC – Mastery level Experience inAgile/Scrumdelivery environments Exposure to refactoring/migration of legacy systems to modern architecturesNice to Have Experience withOracle Coherence, grid computing or distributed caching Real‐time messaging protocols Front Office experience in FX, FX Options or Interest Rates Ability to analyse and designhigh‐performance architectures Strong quantitative background and ability to understand FX products and pricing flowsSoft Skills We are looking for someone who thrives in a high‐pressure, front‐office environment: Strong understanding of FX products and ability to discuss requirements with traders Excellent communication skills, both written and verbal Ability to switch context quickly and manage multiple priorities Confident working directly with business stakeholders Leadership capability to guide and support other developers Proactive, adaptable and solution‐oriented mindsetLanguage Skills English : Expert level