C# Electronic Trading Developer

Phi Partners; São Paulo; On-site; BRL 167,400 - 279,000; Full time

Job summary

A leading technology consultancy in São Paulo seeks a skilled developer to design and develop scalable applications for E-Trading systems. The ideal candidate is experienced with C#, has knowledge of multithreading, and is familiar with Agile methodologies. You will engage with trading teams to gather requirements and ensure system performance. This full-time position offers the opportunity to work on exciting projects using cutting-edge technology, making a significant impact in Capital Markets.

Qualifications

• Hands-on experience with C#, particularly in electronic trading platforms.
• In-depth knowledge of multithreading and memory management.
• Experience working with Agile/Scrum methodologies.

Responsibilities

• Design and develop scalable applications for E-Trading systems.
• Gather requirements from trading and operations teams.
• Analyze and resolve system bottlenecks and performance issues.

Skills

C#

Unit testing

CI/CD pipelines

Algorithmic trading knowledge

Multithreading

Memory management

Low-latency systems

Agile/Scrum

Fluent English

Tools

IntelliJ

JIRA

Confluence

Git

Job description

About

Phi Partners is a 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 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 specialized in respective ‘Lines of Business’ (LoBs). Our latest São Paulo Centre-of-Excellence houses our Quant, Front Office & Risk Technology Services (FORTS) & Murex teams. The São Paulo Centre-of-Excellence was opened with the goal to strengthen Phi's current relationship with North America clients, as well as global clients with a presence in São Paulo. Joining us means diving into truly groundbreaking work, pushing the limits of what modern technology can deliver while solving high-impact challenges for top-tier clients.

About The FORTS Practice

Phi Partners is one of the largest consultancies specializing in FORTS, with a dedicated team of over 175 consultants spread across multiple locations. Our team is distinguished by deep expertise in front‑office and risk technology solutions, empowering top‑tier financial institutions to optimize their trading and risk‑management capabilities.

We specialize in the end‑to‑end implementation of front‑office and risk platforms, from initial requirements gathering to post‑go‑live support, ensuring that our clients are fully supported throughout the platform lifecycle. We focus on custom development and configuration, creating solutions that address unique client needs and regulatory requirements in real‑time trading and risk management.

Additionally, we conduct extensive training and knowledge transfer sessions, ensuring client teams are equipped to maximize the value of their technology investments.

Key Responsibilities

• Design and develop robust, scalable applications supporting E‑Trading systems across asset classes
• Work with trading, operations, and business teams to gather requirements and deliver effective solutions
• Apply sound design and architecture principles, using data structures and algorithms for performance
• Stay current with technologies and industry trends, particularly within algorithmic and e‑Trading platforms
• Analyze and resolve system bottlenecks, performance issues, and application bugs

Ideal Candidate

• Hands‑on experience with C# – including experience in electronic trading platforms
• Experience with unit testing and CI/CD pipelines
• Knowledge on one of the following: Equities; FX; Rates; Credit; and Derivatives is a plus
• In‑depth knowledge of multithreading, memory management, and low‑latency systems
• Solid understanding of design & architecture principles, common data structures and algorithms complexity
• Experience with Agile/Scrum methodologies, tools like IntelliJ, JIRA and Confluence, and version control in Git
• Fluency in English (both written and spoken)

Why Join Phi Partners

Join us as we build the next‑generation eTrading team, an ambitious, fast‑growing group delivering world‑class, complex, and genuinely exciting projects to major financial institutions around the globe. We’re in a pivotal expansion phase, working with leading‑edge technologies and giving you the chance to shape our strategy, influence key architectural decisions, and deploy solutions that truly impact global Capital Markets. This is a rare opportunity to be part of a world‑leading Capital Markets Technology Consultancy while working alongside one of the strongest banking organizations in the industry.

Referrals increase your chances of interviewing at Phi Partners by 2x.

Seniority Level

Not Applicable

Employment Type

Full‑time

Job Function

Information Technology

Industries

IT Services and IT Consulting