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Senior Low Latency Java Developer

London, United Kingdom
Closing date
Mar 19, 2023

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Job Function
Industry Sector
Finance - General
Employment Type
Full Time
As a Barclays Senior Low-Latency Java Developer you will be enhancing our low-latency Foreign Exchange algorithmic trading platform. You will be working with the Foreign Exchange quant and electronic trading desks and building and maintaining primarily Java services like market connectivity, pricing, risk management and order execution. Knowledge of low-latency programming techniques, appreciation of mechanical sympathy and a drive to solve complex problems will be key to success in this position.

Barclays is one of the world's largest and most respected financial institutions, with 329 years of success, quality and innovation behind us. We offer careers that provide endless opportunity - helping millions of individuals and businesses thrive, and creating financial and digital solutions that the world now takes for granted.

This opportunity is open to flexible working arrangements. Such as working from home, flexible or compressed hours, and part-time options. If you have a need for flexibility, please apply and discuss this with us during the hiring process.

We're committed to providing a supportive and inclusive culture and environment for you to work in. This environment recognises and supports ways to balance your personal needs, alongside the professional needs of our business. Providing the opportunity for all our employees, globally to work flexibly empowers each of us to work in a way that suits our lives as well as enabling us to better service our customers' and clients' needs. Whether you have family commitments or you're a carer, or whether you need study time or wish to pursue personal interests, our approach to working flexibly is designed to help you balance your life.
If you would like some flexibility then please discuss this with the hiring manager, and your request will be reviewed subject to business needs.

We are currently in the early stages of implementing a hybrid working environment, which means that many colleagues spend part of their working hours at home and part in the office, depending on the nature of the role they are in. We're flexible on how this works and it may continue to change and evolve. Depending on your team, typically this means that colleagues spend a minimum of between 20% to 60% of their time in the office, which could be over a week, a month or a quarter. However, some colleagues may choose to spend more time in the office over a typical period than their role type requires. We also have a flexible working process where, subject to business needs, all colleagues globally are able to request work patterns to reflect their personal circumstances
Please discuss the detail of the working pattern options for the role with the hiring manager.

What will you be doing?
• Developing solutions to problems both tactical and strategic as the business require it
• Providing estimates for tasks including design, development and testing
• Proposing solutions to complex problems that are in keeping with the existing system architecture
• You will be where an expedited solution is necessary, analysing the situation and delivering rapid resolutions
• Defining solutions and building this into estimates as and when required
• Dealing with key front-office stakeholders: traders, quants, infrastructure partners, among others
• Communicating with senior stakeholders (Director level and higher) to understand their requirements and managing their expectations of delivery
• Evaluating a situation or problem, understanding the risks, costs and benefits and exercising judgment on a good path forward, and expressing this to colleagues and stakeholders

What we're looking for:
• Excellent Java programming skills with focus on core Java technology.
• Experience of developing low latency trading systems, with a solid understanding of concurrency and Java and system performance tuning, along with messaging, persistence and distribution.
• Excellent academic record with a numerate degree (2:1 or higher) or equivalent, in e.g. computer science, maths, physics, engineering.
• Excellent verbal and written communications skills.

Skills that will help you in the role:
• Front office banking experience.
• Knowledge of KDB.
• Full lifecycle development of at least 1 large commercial system, with ideal candidate focusing on significant development of high-frequency trading or pricing systems.
• Experience of modern requirements for security, encryption, cyber threats and how to go about security systems to meet those requirements.

Where will you be working?
5 North Colonnade is home to our investment bank and is in the heart of Canary Wharf, just a short walk from our headquarters at Churchill Place. It boasts an array of onsite amenities such as dry cleaner as well as a deli and buffet style staff restaurant. The building is easily accessible by tube, docklands light railway and all major bus links. The atmosphere is second to none with a real buzz being created around the offices within.

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