Java Algo Trading Developer Job at Citi (London)

Fixed Income Algo Java Developer

The Rates E-Trading technology team in North America is responsible for the plat...

Location

Canada , Mississauga; Toronto

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

Bachelor’s degree with a relevant major (Computer Science, Information Technology, Mathematics, Engineering, or similar)
Experience in design and development of high performance, low-latency, multi-threaded applications
Extensive hands-on development experience in Java
Demonstrated ability to learn new business concepts and technologies
Solid understanding of software development fundamentals including data structures, design patterns and object-orientated programming
Proficiency in core Java (5+ years of experience) with demonstrable success in developing multi-threaded applications
Proven ability to develop clean, testable code
Understanding of relational database concepts and knowledge in SQL
Experience with Jira, Git/Bitbucket, Gradle and CI/CD tools, e.g.TeamCity and UrbanCodeDeploy
Experience with Linux/Unix

Job Responsibility

Design and develop high performance, low-latency trading controls
Partner with multiple technology, business/risk and external market teams to capture requirements and deliver timely solutions for new trading functionality and market upgrades
Coordinate testing of new functionality including business/etrading risk signoff
Liaise with global support teams to manage application upgrades and provide third-line support for existing trading platform
Develop common, reusable components and services that execute against Citi’s technical strategy and drive future improvements
Partner with business/quant teams to evolve architecture roadmap and drive future direction of the trading platform
Participate in agile/scrum development lifecycle and drive engineering excellence

What we offer

Commitment to diversity includes a workforce that represents the clients we serve from all walks of life, backgrounds, and origins
Foster an environment where the best people want to work
Value and demand respect for others, promote individuals based on merit, and ensure opportunities for personal development are widely available to all

Fulltime

Algo Trading Developer - Fixed Income Technology

The Fixed Income Algo Technology team in EMEA supports Citi’s market making, alg...

Location

France , Paris

Salary:

63600.00 - 91200.00 EUR / Year

Citi

Expiration Date

Until further notice

Requirements

Proven programming experience with an Object-oriented language (preferably Java), Multi-Threading, KDB and any relational database
Solid architectural understanding of enterprise applications
Understanding of computing science fundamentals – concurrency, algorithms, data structures, design patterns, etc.
Experience with Java Core, Spring framework and Linux
Experience with Rust
Experience developing large financial software trading systems with substantial hands-on development experience in building systems with an attention to optimizing and tuning performance, while also demonstrating critical thinking skills related to re-use, scalability, and troubleshooting.
Prior experience in building algo trading systems is highly desirable
Solid understanding of service architecture and high performance, low latency, and multithreading techniques
Strong focus on system performance tuning and experience with low latency Java programming
Knowledge of major Fixed Income Products (e.g., EuroGovies/Swaps/GILTS/SAS etc.) and Broker/Customer Markets electronic trading flows.

Job Responsibility

Designing and developing Algo trading applications for the business
Working directly with Traders and Quants to contribute towards the future direction of the platform.
Improve the technical capabilities of the platform to ensure it remains stable, flexible, and maintainable.
Driving engineering standards and continuing to strive for best
Enhancing our automated testing efforts and optimizing our UAT process
Serving as advisor or coach to new or lower-level analysts
Troubleshooting challenging performance and scalability issues
Engaging with business users in London and across Europe (Paris, Milan)
Assisting in third line support during core trading hours
Acting as Subject Matter Expert to senior stakeholders and /or other team members.

What we offer

hybrid working model (2 days from home)

Fulltime

Senior Java Algo Developer, Equities

We are seeking a highly skilled and experienced Algo Trader Senior Developer to ...

Location

United States , Jersey City

Salary:

176720.00 - 265080.00 USD / Year

Citi

Expiration Date

Until further notice

Requirements

Minimum 8+ years of hands-on experience in software development with a strong focus on high-performance, low-latency systems
Proven expertise in KDB+ (Q language) development, including practical experience in scaling, load-balancing, resilience, and optimizing query performance for large datasets
Strong technical knowledge and expertise in Java (or C#) for building critical, low-latency execution platforms, including deep understanding of JVM internals, concurrency, and memory management
Experience designing and developing automated trading platforms in Equities or other similar financial domains
Solid understanding of financial market protocols like FIX, and practical experience handling order and market datasets
Demonstrable experience with testing frameworks, Agile methodologies, and Continuous Integration/Continuous Delivery (CI/CD) processes
Ability to prioritize multiple tasks, set goals, and meet deadlines in a fast-paced environment
Excellent communication skills with a demonstrable ability to present and grasp complex technical and business concepts
Bachelor’s degree/University degree or equivalent experience

Job Responsibility

Lead technical design discussions and conduct rigorous code reviews to ensure high quality, performance, and adherence to architectural standards for critical trading systems
Design, develop, and optimize high-performance, low-latency applications utilizing both KDB+/Q and Java for our Equities Electronic Trading platform
Implement and maintain business-critical high-frequency systems that process market data, generate analytics, and facilitate trading operations
Contribute to platforms enabling efficient data management, sophisticated analytics generation, and robust trading functionalities
Partner with product development, quantitative researchers, and other technology teams to deliver new trading capabilities and enhance existing systems
Drive continuous improvement initiatives in testing frameworks, development tools, and deployment processes for low-latency and high-throughput environments
Resolve complex technical challenges through in-depth analysis of business and system processes, adhering to industry best practices and architectural blueprints
Apply advanced knowledge of system architecture, data flow, and development standards for coding, testing, debugging, and implementation
Build common solutions for trading platform monitoring, trade reconciliation, and application recovery
Provide technical guidance and mentorship to other developers, fostering best practices in high-performance application development

What we offer

medical, dental & vision coverage
401(k)
life, accident, and disability insurance
wellness programs
paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays

Fulltime

Senior eFX Algo Developer

This is a hands-on, high-impact role where you’ll be a key contributor to the de...

Location

United Kingdom , London

Salary:

Not provided

Crédit Agricole

Expiration Date

Until further notice

Requirements

Bachelor Degree / BSc Degree or equivalent
Degree in Computer Science, Mathematics, Physics, or Engineering
Strong Java development experience, including multithreading, low latency, and performance tuning
Experience in Agile, SCRUM, or Kanban methodologies
Front Office exposure in FX or quantitative finance
Clear communicator with strong analytical thinking
Values transparency, accountability, and excellence
Passionate about learning and contributing new ideas and technologies
Knowledge of FIX and other market protocols
Familiarity with UNIX/Linux environments

Job Responsibility

Develop and enhance low-latency pricing and trading systems in Java
Prototype and deliver solutions in a fast-paced, agile environment
Analyse and optimise performance in high-frequency trading contexts
Collaborate on all stages of product delivery: design, specification, testing, and deployment
Provide 3rd line support and contribute to production stability
Participate in sprint planning, estimation, and software releases (including occasional out-of-hours deployments)

Fulltime

Catering Lead

Aramark Canada Ltd. is currently seeking an outgoing, professional to join the D...

Location

Canada , Halifax

Salary:

16.50 - 18.36 / Hour

Aramark UK

Expiration Date

Until further notice

Requirements

2+ years' experience in customer service/catering required
Must have valid driver’s license
Must maintain neat and professional appearance at all times
Must be able to see without impairment for inspection purposes and ability to read small text such as product warning labels
Must be able to lift, push, and pull min. 45 lbs

Job Responsibility

Provide exceptional customer service to all customers and clients
Deliver catering supplies, including tables, chairs, linens and cutlery to event spaces
Deliver catering orders, including hot and cold foods, to event spaces
Respond to any customer questions or concerns at time of delivery
May assist with preparing and managing invoices
Adhere to all Aramark policies and procedures, including occupational health and safety and food safety
General preventative maintenance on vehicle (drivers checklist)
Maintain safe and structured driving patterns (good driving habits)
Other duties as assigned

Barista

We're currently recruiting a driven Barista to help us create beautifully crafte...

Location

United Kingdom , Southampton

Salary:

12.25 GBP / Hour

14forty

Expiration Date

Until further notice

Requirements

Be a brilliant communicator and easily build relationships
Have previous experience in customer service
Strive for excellence in an eager and motivated manner
Take initiative and make decisions that are right for our customers
Have Hands-on experience with brewing equipment
Possess the ability to work under pressure
Demonstrate exceptional timekeeping and reliability

Job Responsibility

Preparing perfectly blended drinks and serving high-quality food that delights our customers
Keeping the bar area clean
Receiving and processing payments (cash and credit cards)
Being an enthusiastic team player and excellent communicator
Maintaining stock of clean mugs and plates
Learning about brewing methods, beverage blends, food preparation and presentation techniques
Check if brewing equipment operates properly and report any maintenance needs
Representing M&S and maintaining a positive brand image
Complying with Food Handling & Hygiene standards
Complying with Health & Safety regulations

What we offer

Get given every opportunity to progress within a company that invests in its people, celebrates individuality, and rewards and recognises employees who go beyond the plate
Competitive pay, great perks and unrivalled opportunities for learning and development

Parttime

Outpatient Nuclear Medicine Technologist

Are you interested in working for an organization passionate about love and exce...

Location

United States , Glen Mills

Salary:

38.22 - 61.16 USD / Hour

Christiana Care

Expiration Date

July 04, 2026

Requirements

Associates Degree in Nuclear Medicine Technology
One year experience preferred
Knowledge, skills, and abilities relating to neonatal, pediatric, adolescent, adult, and geriatric patient care
Knowledge, skills, and abilities related to nuclear medicine and PET/CT procedures, techniques, radiation safety, quality control, and performance improvement practices, stress test monitoring, and EKG’s
Knowledge of and ability to abide by departmental standards, procedures, protocols, policies and guidelines
Knowledge of and ability to use nuclear medicine and PET/CT cameras, computers, and laboratory equipment
Ability to abide by local, state, and federal regulations
Ability to assess patient needs to determine which type of radiopharmaceutical to use and which procedure to follow, including additional images
Ability to utilize fundamental computer techniques on nuclear medicine and PET/CT equipment and Christiana Care Health Services Clinical Care System
Ability to prepare, verify, and administer all radiopharmaceuticals in a safe and effective manner

Job Responsibility

To perform diagnostic and therapeutic nuclear medicine procedures and PET/CT procedures in adherence to the Nuclear Regulatory Commission and State of Delaware Regulations and to assist physicians in the diagnosis and treatment of diseases
Performs diagnostic and therapeutic nuclear medicine procedures
Maintains compliance with local, state, and federal regulations as specified in NRC and state licenses
Complies with JCAHO regulations
Performs Nuclear Medicine and/or PET/CT procedures and quality control as defined by department protocols
Demonstrates complete knowledge and proficiency in the use of all contrast media injectors
Completes all technical assigned imaging and non-imaging procedures in the designated scheduled times
Performs IV, IM, subcutaneous, and intradermal injections
Performs accurate dose calculations
Completes transmission of optimum quality images to PACS system, able to digitize films, and know how to use a CD burner, if available

What we offer

Full Medical, Dental, Vision and other insurance benefits
403 (b) with an employer match
Generous Paid Time Off

Parttime

Barista

We're currently recruiting a driven Barista to help us create beautifully crafte...

Location

United Kingdom , Weston Super Mare

Salary:

12.25 GBP / Hour

14forty

Expiration Date

Until further notice

Requirements

Be a brilliant communicator and easily build relationships
Have previous experience in customer service
Strive for excellence in an eager and motivated manner
Take initiative and make decisions that are right for our customers
Have Hands-on experience with brewing equipment
Possess the ability to work under pressure
Demonstrate exceptional timekeeping and reliability

Job Responsibility

Preparing perfectly blended drinks and serving high-quality food that delights our customers
Keeping the bar area clean
Receiving and processing payments (cash and credit cards)
Being an enthusiastic team player and excellent communicator
Maintaining stock of clean mugs and plates
Learning about brewing methods, beverage blends, food preparation and presentation techniques
Check if brewing equipment operates properly and report any maintenance needs
Representing Costa and maintaining a positive brand image
Complying with Food Handling & Hygiene standards
Complying with Health & Safety regulations

What we offer

Get given every opportunity to progress within a company that invests in its people, celebrates individuality, and rewards and recognises employees who go beyond the plate
Competitive pay, great perks and unrivalled opportunities for learning and development

Parttime

Java Algo Trading Developer

Citi

Location:
United Kingdom , London

Category:
IT - Software Development

Contract Type:
Employment contract

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
May 01, 2025

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