Equities Trading System Engineer Job at Barclays (New York)

Algorithmic Trading C++ Engineer – Equities

Optiver is looking for experienced C++ engineers who are interested in working o...

Location

Australia , Sydney

Salary:

Not provided

Optiver

Expiration Date

Until further notice

Requirements

At least 2 years’ experience as a software engineer working with distributed systems, low-latency systems, backend systems or client/server architectures
Skilled at object-oriented programming in C++, or Java/C# with a strong desire to work in C++
Excellent understanding of computer science fundamentals like operating systems, data structures and algorithms
Familiar with a language like Python for developing tooling
Embrace AI tools for parts of their role, without sacrificing code quality or runtime performance
Excited by technically challenging problems

Job Responsibility

Work day-to-day with traders and quant researchers to understand how we want to price, quote and execute in equities markets and apply your skills to designing software systems and high-performance trading logic to bring those ideas to life in live equities markets
Collaborate with other software engineers and contribute to the architecture of our globally distributed equities trading platform with hard real-time performance constraints
Experience the excitement of our fast-paced development cycle – owning a tight feedback loop, testing and shipping your code to production sometimes on the same day
Flex your low-level engineering fundamentals by implementing performance-sensitive low-latency trading logic and strategies

What we offer

A performance-based bonus structure unmatched anywhere in the industry
The chance to work alongside diverse and intelligent peers in a rewarding environment
Training, mentorship and personal development opportunities
Daily breakfast, lunch and an in-house barista
Gym membership plus weekly in-house chair massages
Regular social events, including a company trip every two years
Guided relocation, a competitive relocation package and visa sponsorship where necessary

Fulltime

Equities Trading System Engineer

Join Barclays as a Equities Trading System Engineer, where you'll provide real-t...

Location

United Kingdom , Glasgow

Salary:

Not provided

Barclays

Expiration Date

Until further notice

Requirements

Technical Troubleshooting
Risk and Control
Strategic Thinking
IT Incident management
Change and Transformation
Business Acumen
In-depth technical knowledge and experience in assigned area of expertise
Thorough understanding of underlying principles and concepts within area of expertise
Ability to lead and supervise a team, guide and support professional development, allocate work requirements and coordinate team resources
Ability to develop technical expertise in work area, acting as an advisor where appropriate

Job Responsibility

Provision of technical support for the service management function to resolve more complex issues for a specific client of group of clients
Develop the support model and service offering to improve the service to customers and stakeholders
Execution of preventative maintenance tasks on hardware and software and utilisation of monitoring tools/metrics to identify, prevent and address potential issues and ensure optimal performance
Maintenance of a knowledge base containing detailed documentation of resolved cases for future reference, self-service opportunities and knowledge sharing
Analysis of system logs, error messages and user reports to identify the root causes of hardware, software and network issues, and providing a resolution to these issues by fixing or replacing faulty hardware components, reinstalling software, or applying configuration changes
Automation, monitoring enhancements, capacity management, resiliency, business continuity management, front office specific support and stakeholder management
Identification and remediation or raising, through appropriate process, of potential service impacting risks and issues
Proactively assess support activities implementing automations where appropriate to maintain stability and drive efficiency
Actively tune monitoring tools, thresholds, and alerting to ensure issues are known when they occur
Provide real-time support to Front Office users and maintains the performance of our trading platform, enabling Barclays to serve clients without disruption, ensuring system stability, addresses technical issues promptly, and works on improving the functionality and efficiency of our trading platform

What we offer

Competitive holiday allowance
Life assurance
Private medical care
Pension contribution

Fulltime

Core Java Applications Development Assistant Vice President

This is a challenging and exciting opportunity to work within the Equities Techn...

Location

India , Pune

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

Minimum of 10+ years hands on development experience in core Java for low latency trading systems
Exposure to Low latency framework and FIX Engines, Solace, Python is a must
Experience working with high volume, high throughput, and low latency trading systems (e.g. equities or FX), or similar type of low latency platforms in Java
In-depth understanding of the challenges in developing high-throughput, low-latency trading systems while meeting the highest standards in resiliency and scalability
Exposure to remediate low-latency solution challenges using practical software and hardware techniques
FIX, distributed systems, messaging middleware (Solace, Tibco, or similar) and IPC (inter process communication)
Experience in implementing trading strategies and Order management system development
Understanding of market data and exchange protocol
Hands on development experience in Core Java
Network programming is a plus – TCP, UDP, sockets, multicast

Job Responsibility

Requirements analysis and capture, working closely with the business users and other technology teams to define solutions
Develop low latency and high frequency solution using Citi's strategic Client Connectivity Platform (OneConnect)

Fulltime

C++ Developer

Client description: Montrose Software has an ongoing relationship with one of th...

Location

Poland , Kraków

Salary:

Not provided

Montrose Software

Expiration Date

Until further notice

Requirements

Excellent knowledge of C++
Knowledge of institutional equity and commodity derivatives trading systems, particularly Fusion Sophis (Finastra)
Fluent in spoken and written English
Demonstrated ability to deliver timely, working solutions
Numeracy to be able to understand quantitative finance
Ability to use version control system, ideally Git
Strong software engineering or math background

Job Responsibility

Bug fixing and new features development
Continuous effort to modernize and keep the software modern

What we offer

Diverse teams
Interesting, challenging and exciting work in international teams
Team events
Flexible working hours
Modern office
Lunches
Breakfasts, a fridge full of food and best coffee money can buy
Private medical insurance
Budget for any sport/fitness activity you choose
Training budget for conferences and trainings

Fulltime

Vice President, Trading Engineering

Vice President Trading Engineer will be working in development and delivery of h...

Location

United States , Jersey City

Salary:

140000.00 - 285000.00 USD / Year

Fidelity Investments

Expiration Date

Until further notice

Requirements

Bachelor's degree in computer science or related field required
At least 12 years of software engineering experience
Strong background in designing and developing low latency trading systems
Experience in building SOR, Algo engine, or exchange-connectivity for Equities or Crypto
Experience using kernel bypass e.g., Solarflare OpenOnLoad
Extensive experience with modern Java using zero GC pattern
Highly proficient in ultra-low latency design patterns and optimizing trading systems
Hands on experience with low latency messaging products, such as Aeron, Solace or 29West
Knowledge of FIX protocols
Proficient in SQL and a working knowledge of relational and time series databases

Job Responsibility

Development and delivery of high quality, timely and maintainable software solutions in an agile environment
Partner & stakeholder engagement, design and release support
Designing and implementing technology solutions for the Fidelity Digital Asset business
High Performance algorithms for trading / crypto trading
Working closely with our business partners to contribute to business-critical initiatives
Demonstrate software engineering excellence through continuous integration, continuous deployment
Keeps current with IT blueprint, frameworks and technologies
guides junior team members on technology
Collaborate with multiple stakeholders/large cross functional teams as part of work delivery
Follows practices and contribute towards innovative solutions to increase productivity

What we offer

Comprehensive health care coverage and emotional well-being support
market-leading retirement
generous paid time off and parental leave
charitable giving employee match program
educational assistance including student loan repayment, tuition reimbursement, and learning resources to develop your career
bonus or other variable compensation

Fulltime

Senior ML Engineer

We are seeking a Senior Machine Learning Engineer with a strong trading and fina...

Location

United States , Irvine

Salary:

54.00 - 66.00 USD / Hour

Solomon Page

Expiration Date

Until further notice

Requirements

Strong programming experience with Python, Java, or other ML-related languages
Strong understanding of Machine Learning algorithms and techniques
Experience working with ML frameworks such as TensorFlow, PyTorch, Scikit-learn
Strong experience in data handling, feature engineering, and data analysis
Experience building infrastructure for training, deploying, and monitoring ML models
Ability to convert research prototypes into production-grade ML systems
Experience working in Financial Services, particularly trading environments
Hands-on experience supporting Equity or Fixed Income trading use cases
Strong communication skills with the ability to work independently and collaborate with business stakeholders

Job Responsibility

Design, develop, and deploy machine learning models and ML-powered applications
Build infrastructure and tooling for training, deploying, and monitoring ML models
Perform feature engineering, data processing, and large-scale data analysis
Convert ML prototypes into scalable production systems
Collaborate directly with trading teams, business stakeholders, and engineering teams
Implement best practices for model performance, monitoring, and scalability
Develop solutions that support equity or fixed income trading use cases
Ensure ML systems are robust, efficient, and production-ready

What we offer

medical
dental
401(k)
direct deposit
commuter benefits

Fulltime

Business Analyst/Tester

We are seeking an experienced QA/BA specialist to lead and execute all business ...

Location

China , Hong Kong

Salary:

Not provided

Susquehanna International Group

Expiration Date

Until further notice

Requirements

Previous experience testing Broadridge OMS/EMS and Back office (GLOSS) platform is a must
3+ years of experience as a BA/QA Analyst or Testing Engineer in electronic trading or capital markets
Solid understanding of the trade lifecycle and market workflows
Exposure to equities, ETFs, derivatives financial products
Experience with integration and automated testing
High attention to detail and strong analytical skills

Job Responsibility

Execute end-to-end functional, integration, and regression testing across OMS, EMS, and post-trade systems
Validate full order lifecycle workflows from execution through clearing and settlement
Perform integration testing of third-party vendor platforms with in-house trading systems
Design and implement comprehensive test plans
Contribute to and execute automated test scripts
Partner with user/business and developers to validate trading logic and edge cases
Investigate and document defects, and data inconsistencies
Maintain QA documentation using Jira and Confluence
Train and accompany Susquehanna sales, trading and Operations on using Broadridge system for their different functions and use cases

What we offer

Real Impact
Collaboration
Growth
Susquehanna offers a wide array of competitive employee perks & benefits

Vp java application developer

We are seeking an experienced Java Developer to design and develop the Equities ...

Location

China , Hong Kong

Salary:

Not provided

Barclays

Expiration Date

Until further notice

Requirements

Strong Java skills
Experience with OMS/EMS systems
Experience with multithreaded applications
Linux performance tuning
Scripting (Python/Bash)
Solid foundation in computer science concepts
Investment banking experience (preferred)
Knowledge of C# (preferred)
Advanced Linux expertise (preferred)
Familiarity with Agile development (preferred)

Job Responsibility

Design and develop the Equities Cash OMS/EMS trading platform for regional equities exchanges
Build and enhance trading systems integrated with electronic, program, and high-touch trading desks
Ensure high reliability through simulation and testing
Support analysis, operations, and code reviews
Collaborate with senior stakeholders, including Front Office Trading and Sales, to gather requirements
Contribute to product strategy and make architectural decisions
Development and delivery of high-quality software solutions
Cross-functional collaboration with product managers, designers, and other engineers
Collaboration with peers, participate in code reviews
Stay informed of industry technology trends and innovations

What we offer

Competitive holiday allowance
Life assurance
Private medical care
Pension contribution

Fulltime

Equities Trading System Engineer

Barclays

Location:
United States , New York

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
January 05, 2026

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