Quantitative Developer (Graduates & Early Career Professionals)

About Phi Partners Phi Partners has been a trusted capital markets consultancy for more than 20 years, providing quantitative and technology expertise across front office, pricing and risk. We support more than 80 financial institutions across the buy-side and sell-side through niche capabilities spanning quant, engineering, vendor platforms and cloud infrastructure. Our teams work on complex, real-world problems across models, analytics, applications, data and cloud infrastructure, within an international delivery organisation built around regional hubs and specialist centres of excellence.

Phi Partners has nearshore Centres-of-Excellence which are specialised in respective ‘Lines of Business’ (LoBs). Our brand-new Budapest Centre-of-Excellence, located in Bank Centre in Old Town, is our latest addition to our Quantitative, Front Office & Risk Technology Services global teams.

Our consultants will have the opportunity to be mentored by well-known industry-leading professionals based in Budapest and abroad, and work for a variety of top-tier clients including the world’s largest Investment Banks, Asset Management Companies, and market-leading Hedge Funds. We support organic talent growth in Hungary, as well as facilitate Quant Developers and Front Office Technologists & Engineers who have worked abroad to relocate to Hungary.

About The Programme As part of our partnerships with various clients, we are currently expanding our quant 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 and more), with each project typically taking 12 to 18 months. As a firm we engage in a wide range of quant services including but not limited to:

• Model integration into quant libraries as well as quant library upgrades / refactoring
• Quantitative development, which includes refining and optimizing the code base for performance
• Front office rapid application development and engineering, including directly supporting the trading desks
• IT and Engineering work such as improving the backend infrastructure and computation platforms

Roles & Responsibilities

Our projects will involve practical implementation of the pricing or risk models into sophisticated quant libraries as well as extensive IT/Technology scope.

You will get the opportunity to work closely with fellow quant developers, model developers, quant analysts, library quants, front office IT engineers and other stakeholders. On a day-to-day basis, a quant developer consultant in our Centre of Excellence will work on projects which involve:

• Integrating pricing models and quant libraries into highly connected IT systems of our clients
• Close collaboration with all the Quants, Quant Developers and Software Engineers within Front Office IT (including those from within Phi as well as those from the client’s team)
• Developing frameworks and architecture for implementing financial product models into the quantitative library in a robust and suitable manner for their intended purposes
• Implementing efficient algorithms to preprocess and manipulate large volumes of data, ensuring data integrity and consistency
• Writing clean, well-documented, and efficient code in Python, C++, C#, Java or other coding languages
• Working on complex computation and software engineering challenges
• Building and/or scaling real-time, multithreaded applications on a distributed architecture using synchronous and asynchronous programming techniques

Key Skills

To be successful as a Quant Developer, the ideal candidate will bring the following skills:

• Educational qualifications in a discipline such as computer science, software or IT engineering, applied mathematics, quantitative finance, physics, or similar fields; Masters’ or above highly preferred
• Experience (including Internships) working on software development projects, ideally as a Quantitative Developer or IT Quant at an investment bank, hedge fund, specialist consulting firm or financial institution; relevant personal projects are also of interest
• Excellent programming skills in Python, C++, C# or Java (Object Oriented and Functional)
• Writing clean code using SOLID principles
• Willingness to work in Agile software development environments
• Strong consultancy and client services mindset
• Proven track record of working with international stakeholders
• Good documentation and communication skills
• English proficiency is a must

Next Steps

This is an excellent opportunity to establish yourself within a rapidly expanding consultancy firm in a high growth Quantitative Centre of Excellence led by recognised industry leaders, built on a foundation rooted in academic rigour and a culture of R&D and software engineering best practices. The right professional can grow their skills and abilities while continuing to actively contribute in a hands-on technical manner on challenging global projects.

Graduates & Young Professionals are encouraged to apply but note that we may recommend an Internship/Graduate Program position if it is more appropriate.

Posted on 10th August 2026