Java (with C#) Developer – FX eTrading IT Services Lisboa

Java (with C#) Developer – FX e
Trading IT Services ? ?

5 days ago Be among the first 25 applicants

Join e
Xalt-Fi's Financial Markets consulting division as a Java (with C#) Developer and contribute to mission‑critical systems powering the largest Eurozone bank's global FX business. You'll be part of a fast‑paced, multidisciplinary team in a front‑office IT environment where innovation meets operational excellence. Work directly with traders, support teams, and fellow developers to maintain and evolve the Position/Trades booking platform used globally across major financial hubs—London, New York, Tokyo, and Singapore.

Responsibilities

• Develop and maintain the Position/Trades booking platform with rigorous standards for quality, security, and performance
• Lead technical analysis, documentation, development, testing, and code reviews within an agile software development lifecycle
• Collaborate with production support teams to ensure seamless releases and component maintenance
• Provide L3 support and engage directly with traders and front‑line teams to resolve critical issues
• Participate actively in migration and refactoring initiatives to modernize platform infrastructure
• Mentor junior developers, fostering technical excellence and team collaboration across the multidisciplinary unit

Required Experience

• Minimum 5 years of software development experience, including 2+ years in IT team leadership
• Mastery of Java core (SE, multi‑threading, low‑latency optimization) with solid C# capabilities
• Proven expertise in electronic trading platforms or high‑load distributed architectures
• Strong agile methodology and SDLC knowledge with hands‑on migration/refactoring experience
• Solid understanding of FX products with strong analytical and mathematical foundation
• Expert‑level English proficiency for seamless collaboration

Desired Skills

• Experience with Oracle Coherence or similar high‑performance technologies
• Background in front‑office IT environments and multidisciplinary development teams
• Ability to navigate multiple programming languages and balance development with operational support

Why Join e
Xalt‑Fi?

Company Profile:

Founded in 2019, e
Xalt‑Fi is a specialized consulting firm with 250+ collaborators operating across front, middle, and back‑office environments. We partner with leading financial institutions including BNP Paribas, Crédit Agricole, Société Générale, and Natixis. Our core values—technology as an enabler, fostering human connections, and unlocking limitless potential—define our culture.

• Continuous Learning: Extensive training catalogs, mentoring programs, and hands‑on workshops tailored to your expertise
• Community & Growth: Active communities of practice, regular knowledge‑sharing events (EXALTEMS), and skill‑development circles
• Collaborative Culture: Work with experienced consultants who share expertise through conferences, live training, and collaborative problem‑solving
• Professional Development: Leadership opportunities and clear pathways for career advancement in financial markets consulting
• Engaging Work Environment: Blend of technical depth and business interaction in a high‑impact, globally connected team

Location

Lisbon, Portugal

Schedule

Full‑time, 1‑year mission

Work Model

Hybrid collaboration with flexibility for agile‑based operations

Salary

€2, 600–€3, 000 net monthly (or €300–€350 B2B day rate), commensurate with experience and expertise.

Seniority Level

Mid‑Senior level

Employment Type

Full‑time

Job Function

Engineering and Information Technology

Industries

IT Services and IT Consulting

e
Xalt‑Fi is an equal‑opportunity employer committed to building diverse and inclusive teams. We celebrate individuality and foster an environment where innovation thrives.