Trading System Engineer | Java, Multi-threading, Low-Latency, Market Data, Risk Management, High-Frequency Trading

Job Summary
Synechron is seeking an experienced Senior Trading Systems Developer with expertise in Java and Python to support the design, development, and optimization of high-performance trading platforms focused on fixed income markets. This role involves building scalable, low-latency solutions, implementing trade lifecycle components, and supporting real-time data processing. The successful candidate will contribute to enterprise trading operations by delivering reliable, secure, and efficient systems aligned with industry standards and organizational goals.

Software Requirements

• Required:

  
  

  • Extensive hands-on experience with Java (version 8 or above), including multi-threading and memory management

    
    

  • Proficiency in Python (latest version) for automation, data processing, and integration tasks

    
    

  • Knowledge of building and optimizing microservices with Spring Boot, RESTful APIs, and WebSocket services

    
    

  • Experience with relational databases such as PostgreSQL, SQL Server, or Oracle, including performance tuning and data management

    
    

  • Familiarity with queueing systems like Redis, Kafka, or RabbitMQ

    
    

  • Hands-on involvement with containerization (Docker) and orchestration (Kubernetes) for deployment support

    
    

  • Experience with low-latency frameworks such as JMeter, YourKit, or similar performance profiling tools

    
    

  • Practical understanding of industry-specific markets such as bonds, derivatives, FX, or equities

    
    

• Preferred:

  
  

  • Experience supporting cloud deployment (AWS, GCP, Azure) supporting low-latency applications

    
    

  • Exposure to real-time data feeds, market data handlers, and order management systems (OMS/EMS)

    
    

  • Familiarity with advanced messaging protocols, market microstructure, or distributed systems

    
    

Overall Responsibilities

• Develop and tune core components of high-frequency trading platforms, including market data handlers, order execution, and risk management modules

  
  

• Build scalable, low-latency microservices supporting trade lifecycle management and real-time data processing

  
  

• Collaborate with technical teams, traders, and product owners to understand system requirements and optimize trade execution workflows

  
  

• Conduct performance profiling, latency analysis, and system tuning to meet enterprise SLAs and reduce downtime

  
  

• Implement automation scripts for deployment, data validation, and incident response processes

  
  

• Support system upgrades, bug fixes, and infrastructure enhancements supporting trading operations

  
  

• Lead code reviews and ensure adherence to coding standards and best practices in low-latency environments

  
  

• Document technical designs, architecture, and operational procedures for compliance and knowledge sharing

  
  

Technical Skills (By Category)

• Programming Languages:
  Required: Java (8+), Python (latest version), multi-threading, memory management
  Preferred: Additional JVM languages such as Scala or Groovy for specialized modules

  
  

• Databases & Data Management:
  PostgreSQL, SQL Server, Oracle; experience with schema design, query optimization, and data integrity

  
  

• Messaging & Market Data:
  Kafka, RabbitMQ, Redis; experience supporting real-time market data feeds and order messaging

  
  

• Cloud & Infrastructure:
  AWS, Azure, or GCP supporting deployment of low-latency trading solutions

  
  

• Frameworks & Libraries:
  Spring Boot, Hibernate, WebSocket, JMeter, YourKit, custom low-latency frameworks

  
  

• Containerization & Orchestration:
  Docker, Kubernetes for deployment in containerized environments

  
  

• Performance & Monitoring:
  Profilers, latency analyzers, and monitoring tools supporting high-frequency trading environments

  
  

Experience Requirements

• Minimum of 7 years supporting or developing low-latency trading platforms or enterprise mission-critical financial systems

  
  

• Proven expertise in Java and Python development within high-performance trading environments

  
  

• Demonstrated success in optimizing trade execution, data flow, and system latency

  
  

• Experience supporting or integrating market data systems, OMS/EMS, or risk modules is highly advantageous

  
  

• Industry experience in finance, banking, or capital markets preferred

  
  

Day-to-Day Activities

• Develop, optimize, and support core trading components such as order management, risk, and market data handlers

  
  

• Collaborate with traders, quant teams, and platform engineers to align system functionality with operational needs

  
  

• Conduct latency analysis, system profiling, and performance tuning to meet enterprise SLAs

  
  

• Troubleshoot technical issues related to order execution, data feeds, and system integrations

  
  

• Support deployment activities, system upgrades, and infrastructure monitoring supporting high-frequency trading

  
  

• Automate validation, alerting, and incident management workflows for operational stability

  
  

• Prepare technical documentation, architecture diagrams, and operational procedures

  
  

Qualifications

• Bachelor’s or Master’s degree in Computer Science, Engineering, or equivalent

  
  

• 7+ years supporting or developing enterprise high-frequency trading platforms or similar mission-critical systems

  
  

• Certifications in low-latency framework support, cloud deployment, or financial systems are advantageous

  
  

• Proven ability to deliver optimized, scalable, and low-latency trading solutions supporting risk and compliance

  
  

Professional Competencies

• Strong analytical skills and troubleshooting capabilities in low-latency environments

  
  

• Effective communication for stakeholder engagement and cross-team collaboration

  
  

• Leadership qualities for mentoring junior engineers and fostering continuous improvement

  
  

• Strategic mindset to align development efforts with operational and compliance standards

  
  

• Adaptability to evolving trading technologies, standards, and regulatory requirements

  
  

• Time management skills for delivering high-impact solutions within tight deadlines

  
  

S​YNECHRON’S DIVERSITY & INCLUSION STATEMENT
 

Diversity & Inclusion are fundamental to our culture, and Synechron is proud to be an equal opportunity workplace and is an affirmative action employer. Our Diversity, Equity, and Inclusion (DEI) initiative ‘Same Difference’ is committed to fostering an inclusive culture – promoting equality, diversity and an environment that is respectful to all. We strongly believe that a diverse workforce helps build stronger, successful businesses as a global company. We encourage applicants from across diverse backgrounds, race, ethnicities, religion, age, marital status, gender, sexual orientations, or disabilities to apply. We empower our global workforce by offering flexible workplace arrangements, mentoring, internal mobility, learning and development programs, and more.

All employment decisions at Synechron are based on business needs, job requirements and individual qualifications, without regard to the applicant’s gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law.

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