Java Engineer

About Phi Partners
Phi Partners is the European market leader for capital markets technology services providing technology & quant services, solutions, and expertise to buy-side and sell-side financial institutions including some of the world's largest investment banks, hedge funds and asset management firms. Founded in 2004 and headquartered in London, Phi has a presence in all major continents. Our niche focus on Quantitative and Front Office Technology has been a differentiator and gateway into the world's best financial institutions.

Phi Partners has nearshore Centres-of-Excellence which are specialised in respective 'Lines of Business' (LoBs). Our latest Budapest Centre-of-Excellence, houses our Quant, Front Office & Risk Technology Services teams. Our services include front office pricing, risk engineering as well as quant model development, model integration and model validation. Consultants in this location have the opportunity to be mentored by well-known industry-leading Front Office, Risk & Quantitative experts, and work for a variety of top-tier clients including the world's largest Investment Banks, Asset Management Companies, and market-leading Hedge Funds.

About The Practice
As part of our partnerships with various clients, we are currently expanding our quant & technology teams to keep pace with the rapid growth in this business.

Our consultants gain exposure to a variety of projects across asset classes as well as coverage areas (such as front office, pricing & analytics, risk methodology, model validation and more), with each project typically taking 12 to 18 months. As a firm we engage in a wide range of services including but not limited to:

• Front office development and engineering (including directly supporting the trading desks, Pricing & Risk engines)
• Quantitative development which includes refining and optimising the code developed by model developers
• Quantitative IT work such as improving the backend infrastructure and computation platforms

About The Role And Responsibilities
The consultant will be working closely with key business stakeholders, development, and analytical teams to understand the business requirements and work towards enhancing our clients Front Office, eTrading & Risk Management Systems.

Main responsibilities will include developing code, blending it together to be run under single scenario, building various algorithms, along with investigating and explaining differences in results between potential legacy and newly developed systems.

Key Skills

To be successful in the role, the ideal candidate will have a combination of functional and technical skills such as:

• Strong experience in enterprise-level Java development, with deep understanding of Java internals including JVM, memory management, garbage collection, and performance tuning
• Hands-on experience with Java frameworks and libraries such as Spring/Spring Boot, Hibernate/JPA, multithreading
• Practical expertise with relational databases, such as PostgreSQL, and SQL Server—covering schema design, indexing, and query optimization for analytics workloads
• Good awareness of enterprise engineering practices, such as fault tolerance, scalability, logging, monitoring & telemetry, CI/CD, containerisation, and modern tools like Git, Maven, Jenkins; cloud exposure (AWS/Azure) is a plus
• Experience of working in a financial services or capital markets environment delivering enterprise solutions as part of a global team
• Problem-solving mindset: history of proposing and implementing "seen-it-before" solutions under real-world constraints

Extra skills:

• Experience of front office capital markets technology, including pricing, risk, and trading systems, event-driven architectures, and full trade lifecycle (pre- and post-trade flows)
• Understanding of valuation inputs and outputs, as well as numerical optimisation techniques in a capital markets sell-side context

Next steps

This is an excellent opportunity to join a world-leading Front Office & Quantitative technology consultancy which offers the chance to accelerate your career by working with multiple elite financial institutions. If you are interested in the opportunity, kindly send a copy of your up-to-date CV via email to We look forward to having a call to discuss this in more detail at your earliest convenience.