Java Developer

SUMMARY:
Psybergate is an IT company that builds bespoke software solutions and provides highly skilled resources to its clients.
We are looking for a Senior JAVA Developer to join our financial services client based in Sandton for a 12-months contract role.

POSITION INFO:
What you will be doing:

• Responsible for designing, developing, and enhancing cutting-edge trading platforms powered by market analytics, execution strategies, and pricing/risk models.
• Your work will directly influence strategic decision-making and drive innovation in the Global Markets trading space.
• Develop and enhance algorithmic trading platforms with a focus on performance, analytics, and risk management.
• Collaborate with traders to refine strategies and introduce technology-driven innovations.
• Identify and implement opportunities for automation and risk reduction.
• Translate trader requirements into technical solutions and deliver robust, scalable code.
• Conduct academic research, data mining, and simulations to validate trading strategies.
• Ensure platform stability and provide real-time support.
• Perform integration/unit testing and manage change rollouts.
• Generate analytics for continuous improvement and monitoring.

• Bachelor’s degree in Computer Science, Engineering, Quantitative Finance, or related field.
• Preferred: ACI Dealing Certificate, RPEs.

• 7+ years as a Java Developer or Software Engineer.
• Proven expertise as a Java SME.
• Experience mentoring junior developers.
• Proficiency in Spring, Maven, Tomcat, Java, React.
• Advantageous: FIX protocol knowledge, technical architecture, multi-threading, low-latency systems.

• Advanced programming in Java, C++ or any object-oriented language for high-performance systems.
• Machine learning/statistical modelling for algorithm enhancement.
• Low-latency optimization: memory management, concurrency, multithreading.
• Market microstructure and order flow analysis.
• Time-series and advanced database management.
• Backtesting frameworks and simulation tools.
• Data analysis and visualization (Pandas, SQL, Tableau).
• API development: RESTful, WebSocket, FIX.