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Senior Developer - Progress

Division Winterflood Securities
Location London
Salary Competitive
Mergefield Title {Mergefield Value}

This is a {Advertised Permanent / Temporary}, {Advertised Full Time / Part Time} vacancy that will close in {x} days at {xx:xx} BST.


An opportunity has arisen for a Senior Developer to join our dynamic and well established development team at Winterflood Securities.

The successful candidate will be a highly self motivated and proactive problem solver seeking to further their software development career in the financial services industry.  Different entry points are possible, depending on skills/experience.

As well as being a technologist, the successful candidate will have excellent analytical and communication skills as you will be required to work closely with a wide variety of internal user groups throughout all aspects of the development lifecycle. Stakeholder demand and business visibility is high so you need to be delivery focused and able to handle a fast paced and dynamic environment.

This challenging and extremely rewarding role would suit a self-motivated innovative individual, with a passion for software development and evolutionary technologies.  Experience or an interest in the financial services sector is beneficial but not essential. 

 The core systems are written in PROGRESS ABL, and run on distributed, replicated high performance blade technology.  Satellite systems which support this are written in the most appropriate language for the specific task, and include C#, C++, Java, Python, PHP etc.  Cross-language development opportunities are abundant for motivated individuals


As a Developer, you will be required to:

  • Analyse business user requirements at an early stage of the development lifecycle
  • Design software enhancements to meet business user requirements
  • Produce maintainable software components that operate as part of large multi-tier and multi-process system(s)
  • Unit test deliverables to verify behaviour and resilience
  • Produce suitable functional and technical documentation
  • Communicate changes to peers and implementation analysts through reviews and training sessions
  • Implement changes into production and provide suitable support
  • Participate in multiple projects while meeting tight deadlines

In addition, you will have the opportunity to feed ideas into strategic discussions e.g. around product direction and performance


  • Professional PROGRESS experience in both event driven GUI and batch development
  • Experience of development on Linux/Unix with communication protocols e.g. TCP/IP
  • Strong problem solving skills
  • Strong interpersonal and communication skills
  • Previous experience in a similar client facing development role

Experience in the following areas would be a distinct advantage:

  • Computer science degree or equivalent
  • Professional knowledge of another programming language (Java, C++, Go, PHP, Python, C#) and an interest in the development of complex and high performing trading and settlement systems
  • Familiarity with multi-threaded parallel processing systems
  • Knowledge/experience of financial/accounting systems
  • Knowledge of financial markets, especially within the Equity and Fixed income asset classes
  • Previous experience in a similar client facing development role, within the financial markets sector
  • Extensive exposure to the full development life-cycle
  • Experience of working in a highly regulated environment
  • Production use of FIX 4.0 or above
  • Messaging software – e.g. Sonic, and/or AMQ/Artemis
  • High volume real time message/transaction handling
  • Real time interactive data display
  • Linux/UNIX scripting
  • Software security
  • PROGRESS Developer Studio for OpenEdge
  • PROGRESS database administration

At Close Brothers we look to recruit individuals from all different backgrounds and encourage you to apply even if you don’t tick every box. We celebrate diversity, promote inclusivity and are open to discuss flexible work options to help you balance your work and home life.

Winterflood Securities is a leading market maker committed to providing liquidity and flexible execution services to retail brokers, asset managers and institutional investors. 

Winterflood’s strengths are a combination of traditional trading values and the performance of our own cutting edge technology. Our experienced team of traders helps clients achieve high quality execution in over 15,000 tradable instruments including UK, European and North American Equities together with Investment Trusts, Exchange Traded Products, Fixed Income, Structured Products and Funds. Founded in 1988, Winterflood has gone from being a niche market maker in the UK Small Cap market, to a mature, diverse and major liquidity provider across multiple asset classes in the UK and European markets.

Winterflood is authorised and regulated by the Financial Conduct Authority. Winterflood Securities is a wholly-owned subsidiary of Close Brothers Group plc, a specialist financial services group which makes loans, takes deposits, trades securities and provides advice and investment management solutions to a wide range of clients. Close Brothers Group plc is listed on the London Stock Exchange and is a member of the FTSE 250.

Private medical

Discounted health checks

Stakeholder pension contribution

Gym discounts

Cycle to work scheme

Save As You Earn scheme

Purchase additional holiday

At Close Brothers, we are dedicated to helping the charities that matter most to our employees. Our donations continue to increase year on year thanks to our fundraising efforts and matched giving schemes to our employees’ favourite charities. We continue to seek out new ways to give as a group and to help employees who give their valuable time and money to causes close to them.

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Sustainability is fundamental to our purpose, and we recognise that to help the people and businesses of Britain thrive over the long term, we also have a responsibility to help address the social, economic and environmental challenges facing our business, employees and customers, now and into the future.

To find out more detail please follow the link below:

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