Java Developer - As a Java Developer you will be working on Software that helps scientists make ground-breaking medical discoveries. It is very much an opportunity for a Java Developer to create solutions for the social good.

Key skills for the Java developer; Equities Trading, Tier 1 IB x 10 ALL LEVELS role:

• Core Java
• Multithreading
• Low latency
• Good database skills
• Ability to work with global teams
• A basic understanding of financial products (doesn't need to be commercial experience)
• Experience working on performance and scalability of systems

Desirable (not a must have) skills for the Java developer; Equities Trading, Tier 1 IB x 10 ALL LEVELS role:

• Full stack development - Angular JS, JavaScript, React, HTML, J2EE
• Python
• C#
• FIX

About the Java developer; Equities Trading, Tier 1 IB x 10 ALL LEVELS role:

My client is a tier 1 investment bank based in London. They are seeking several talented individuals across all levels to join them within their equities division, working on business critical applications. You will have the opportunity to work on the automation trading strategies whilst at the same time programming with some of the newest, cutting-edge technology. These roles fall within the Front Office, you will have the opportunity to work very closely with the traders (if you choose to). No financial experience is needed, however, a desire to pick up the business knowledge is. You must have a thorough understanding of the Java fundamentals and a willingness to pick up new technologies if/when needed.

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C++ Developer - C++, Linux, RESTful API, Python.

A hugely successful, internationally established provider of online and mobile media software products is seeking an experienced C++ Developer to join their London team working on complex, multi-threaded systems.

The successful C++ Developer should have experience in designing, implementation and debugging Object Oriented code within an agile environment.

The ideal C++ Developer will have as many of the following as possible:

• C++
• Linux
• RESTful API development (HTTP/JSON)
• Device Driver API's
• Python or similar
• Source control (eg SVN, GIT) and bug tracking (eg JIRA)

If you are a C++ Developer looking for a challenging and rewarding environment please send your CV to find out more.

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This team provides innovative solutions for low touch trading, which includes FIX connectivity, low latency market connectivity, smart order routing, algorithmic trading and internal crossing. You will be developing multi-threaded, low latency, concurrent applications in Java. The next generation technology platform has received significant investment meaning there is plenty of work to be done.

Exceptionally talented Java Developer required by a leading Investment bank in order to join a successfully and innovative FX eTrading technology team. The successful applicant will sit on the trading floor and work closely with Quants and traders with the task of building algorithmic trading strategies using modern Java related technologies. This is an opportunity for a talented Java developer to work with cutting edge technologies and make a real difference to the business through technology enhancements.

The successful applicant can look to receive between £700-£800 per day

Skills, experience and qualifications required:

• Strong core Java development skills with solid knowledge of multithreaded programming and performance optimisation
• Extensive low latency development experience within strong Front Office trading teams
• Experience with smart order routing, trading, market data systems is desirable
• FX trading experience is desirable but not essential
• An ability to liaise directly with Quants/traders.

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We have an immediate vacancy for an experienced Java developer. The focus of the role is building back-ends that connect to financial pricing, trading and entitlement systems to distribute the data over the Internet to HTML5 trading clients. The data must be delivered with extremely low-latency. You may also be creating APIs for our customers to use for connecting to their own systems.

We have an immediate vacancy for an experienced Java developer at Caplin. The focus of the role is building back-ends that connect to financial pricing, trading and entitlement systems to distribute the data over the Internet to HTML5 trading clients. The data must be delivered with extremely low-latency. You may also be creating APIs for our customers to use for connecting to their own systems. Additional responsibilities will include maintenance of the existing Server Side components and be providing assistance to Caplin's support team in diagnosing customer issues.

Key Skills

• Core Java (J2SE)
• Experience of building multi-threaded, low latency performance-critical applications
• Usage of unit test and mocking frameworks such as JUnit, Mockito, and JMock
• Use of build tools such as Gradle and Maven
• Experience of working with continuous integration systems such as Jenkins
• Experience of working within Agile teams and conversant with modern Agile practices
• A team player, and enjoy working closely with other developers, UX and QA engineers in small teams
• Experience of working with a version control system, such as Git
• Unix/Linux exposure

Caplin's award-winning software provides Real-Time web connectivity products that allow market data and trading services to be delivered over the Internet using HTML5 technologies and unique UX driven applications.

This is an outstanding opportunity for an individual wanting to bring their skills to an organization at the leading edge of web-based trading technology and with blue-chip global financial clients.

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One of the world's most successful financial service companies are seeking an experienced C++ Developer to join their market leading team. Their multi-award winning services have separated them from the competition in recent years and consolidated their position as the market leader.

This is an opportunity for a talented C++ Developer to join an established company to work on its cutting edge, Real Time, low latency, highly multithreaded software.

The ideal C++ Developer will have:

• Extensive commercial experience with C++ including STL, OOD/OOP
• Working knowledge of MT4 (nice to have)
• Solid commercial experience with Java
• Real Time multi-threaded software development experience
• Experience of the full software development life cycle.
• Strong analytical abilities and experiences in algorithm design, software design and implementation.

This is a fantastic opportunity for a C++ Developer to work in a team of highly skilled people, all with strong opinions about various technologies, frameworks and approaches to delivery.

• There will continually be new challenges as the company strives to maintain its position as the market leader.
• The environment is focussed but not corporate, they pride themselves on being a technology company first. The culture is relaxed but you will be surrounded by the best technologist in the city.
• There is a high degree of flexible working and remote working opportunities.

If you feel that this is the sort of environment in which you could flourish and you understand that work/life balance is important please send your CV.

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Java Developer / Senior Java Software Engineer (Web REST API Middleware Tomcat Agile TDD). FTSE 250 web based trading organisation is seeking a talented Java Developer with strong experience of web technologies. You will join a talented Agile TDD team, designing and developing new features and functions for a business-vital CMS system that supports heavily trafficked websites, receiving over 2 million visitors a week. 

Java Developer | FinTech | Specialist software solutions provider are currently seeking an experienced Senior Java Developer (Spring, Multithreading, NoSQL, TDD) to join them on the build and delivery of a next generation financial service platform.

Focused on cutting-edge encryption & cryptocurrency, the successful Java Developer will have a passion for emerging technologies and previous experience or at the very least a keen interest in Blockchain. Secondly, but even more importantly, the incoming Java Developer will possess solid core Java skills (Multithreading, concurrency, etc.) and be very comfortable working in high performance and highly transactional development environments. In addition, you'll be a strong believer in Agile best practices with a deep understanding around TDD, CI, etc.

Required Skills: Senior Java Developer

• Java 8
• OOP, Multithreading
• Spring
• NoSQL
• Blockchain/Bitcoin
• Agile - TDD, Continuous Integration
• In addition, previous Lead experience is desirable

If you're an experienced Java Developer with all of the above skills and you're looking to further your career in the ever-growing FinTech world.

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A global Invesment banking services company requires an AVP Risk Application Developer to work on their proprietary FX derivatives trading platform, providing real-time interactive pricing and risk to their global trading and sales teams. Their platform is further used beyond the FX business in Commodities, Money Market Derivatives, AWM and Emerging Markets.

Cutting edge Investment Bank seeks talented Java technologists to join its Front Office Risk Management system covering a variety of asset classes (FX, Commodities, Equities, Credit and Rates). The successful candidate(s) will be responsible for delivering quality software to tight timelines within a talented global team.

The successful candidate(s) can look to receive between £600pd - £700pd

Skills, experience, and qualifications required:

• Extensive core Java development experience
• The ability to write clean, efficient code within Agile environments
• Strong knowledge of Multithreading, concurrency, data structures and design patterns
• Previous experience working in a Front Office technology team is highly desirable
• Previous experience working on a Risk Management system is highly desirable.

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A leading development company are looking for a talented .NET Developer to join our client's development team in creating applications using highly scalable, cloud-based server technologies. The company ethos is a flexible, agile environment, and empower the team to make decisions regarding everything from design, development, testing and deployment to operations.

.NET Developer Responsibilities:

• Implement Backend/Server Side code using C#
• Work with technical and non-technical team members to add features and functionality to their applications.
• Team development, mentoring, code reviews, collaboration
• Work with client developers to design cross-platform APIs
• Automate everything
• Manage, monitor and maintain both development and production environments in the AWS Cloud
• Work with your colleagues on the platform team to build robust and scalable server infrastructures
• Agile Development and XP.

Any of these would be an advantage:

• Functional programming (erlang, F#, haskell etc)

This is a bubbly environment who are seeking a technology driven and out-going .NET Developer. It's a fantastic opportunity to work for a world renown brand and will propel your career forward.

Please apply for the position as soon as possible.

.NET Developer - C# Functional Agile Multi-Threaded Backend

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This is an exciting opportunity for developers, with some experience to enhance their skills in responsive web development as well as getting involved in building business in a banking environment.

A tier 1 investment bank is looking for several C# web developers to work on a greenfield project:

This role will be a full stack developer role and you will need the following skill-set:

• Core C# and Solid/OO Principles
• Strong SQL database skills
• strong serverside and Multithreading skills
• Strong AngularJS Ideally at least Angular II ideally.
• Strict TDD approach/Implementation of Unit tests throughout the server and UI.

The ideal candidate will come from a financial background and have taken requirements directly from the business in a banking environment.

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Key: C++, FX Options, developer, banking, linux, CPU, FX, forex, C++, Pricing

C++ Linux FX Developer - £650pd contract, London

The primary purpose of this role is to develop and deliver high availability Real Time applications for an FX options pricing application, and integration with additional systems.

You will display excellent organizational, motivational, and technical ability within a high-performance technology environment. This will require expert knowledge of C/C++ programming, with a focus on Linux Server Side development.

Knowledge of FX options would be beneficial, but is not essential. You will Contribute to the overall design and development of the Real Time solutions for FX options pricing, trading or risk management.

Key skills:

• C++/Linux
• Multi-threading
• FX Options background
• Pricing

If this role is down your street and you have a strong C++ on Linux background, please send me your CV to, and we can arrange to discuss.

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