Find your next tech and IT Job or contract Java in London

Full Stack Developer / Engineer (C# SQL JavaScript) London / WFH to £85k Are you a data savvy Full Stack Developer with strong C# and SQL skills combined with a good understanding of finance / trading systems? You could be progressing your career and gaining valuable finance experience at a hugely successful Hedge Fund, working on complex and interesting systems with continual learning opportunities. As a Full Stack Developer you'll join a small, Agile team to design, develop and support the Portfolio Management systems. You'll be collaborating with Front Office users and will gain a good understanding of financial trading systems, working with modern tech across the full stack from SQL/Oracle, C# .Net Core on the backend through to Angular and TypeScript on the frontend, with a bias towards backend development. There's a range of projects from a couple of weeks through to longer term over several months. Location / WFH: You'll join colleagues in impressive Central London offices with flexibility to work from home one day a week. About you: You have strong C# .Net skills, ideally including .Net Core You have strong SQL development skills You're highly numerate with a good understanding of mathematics You have a good understanding of finance instruments / trading systems or Front Office environments You also have some front end development skills with technologies such as JavaScript / TypeScript, Angular, React, HTML, CSS and are happy to use Angular going forward You're collaborative with Agile team experience You're degree educated in a STEM discipline What's in it for you: As a Full Stack Developer / Engineer you will earn a competitive package: Salary to £85k Bonus Pension, Life Assurance Health and Dental care Employee Assistance Programme 25 days holiday Continuous training and self development opportunities Apply now to find out more about this Full Stack Developer / Engineer (C# .Net Core SQL JavaScript Angular) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

Job Description Must have excellent Liferay and Java skills, Spring MVC, Apache CKF, Dozer (a fast and flexible framework for mapping back and forth between Java Beans) & XML: • A minimum of 5 years' work experience in Software Development • Experience with implementing service-oriented architecture (SOA) • Designs and develops Enterprise application integration (EAI) using any ESB products like Fuse, Camel, TIBCO, IBM message broker • Designs and develops ESB/SOA/BPM middleware layers using tools like Mule ESB, jBPM • Experienced in J2EE, Java Servlets, JMS, Design Patterns, Web services • Solid hands-on experience in architecting and developing J2EE based web applications (JSP, Servlet, JDBC, JMS, JAXB) • Expert level experience with SOAP and REST web services , open API development, and SOA concepts, using Spring with groovy, XML, JSON, and XSLT • Solid understanding of integration & design patterns • Gain adoption of platform delivery processes, standards and procedures • Provide hands-on technical leadership throughout software development lifecycle (requirements gathering, Proof of Concept (POC) development, RFP creation and evaluation, design, development, implementation and close out) • Experience in Database SQL Queries in Oracle • Experience in Tomcat or WebLogic or Web sphere • Ability to work independently in Agile Methodology (KanBan) • Experience with different open source stacks including build & release processes like Maven, Ant, etc. Must have Liferay. Location is Stratford London. Duration is 2 months. Rate is negotiable. Please forward your CV in Word format.

PHP Developer / Software Engineer (Full Stack JavaScript) London / WFH to £65k Do you have advanced PHP skills combined with excellent communication and stakeholder management skills? You could be joining a hugely successful Financial Services company with over £50 billion under management. As a PHP Developer you'll take ownership of maintaining and developing new Intranet applications, ensuring that company information is secure and accessible. You'll collaborate with business stakeholders to introduce new features, working across the full development lifecycle from requirements gathering and analysis through to delivery. There's a focus on backend PHP development on Linux but you'll also have exposure to the front end, using JavaScript, HTML and CSS. Location / WFH: There's a hybrid work from home policy with two days a week in the London, City office. About you: You have strong PHP development skills including a PHP framework, they use Yii2 but Laravel or Symfony experience is also fine You have a good knowledge of Linux OS You have experience with JavaScript, HTML, CSS You have a good understanding of SQL and relational databases You have excellent communication, collaboration and stakeholder management skills Ideally you will hold a Computer Science degree or have experience within a finance / regulated environment What's in it for you: As a PHP Developer / Software Engineer you will earn a competitive package including: Salary to £65k Bonus Pension (c9%) Private healthcare 25 days holiday Professional development budget Apply now to find out more about this PHP Developer / Software Engineer opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

Job Description Mobile Application Developer for Android and IOS We are urgently looking for a Mobile Application Developer (iOS/Android) in North London. The following are key software development skills that we require: AngularJS (v1.4/v1.5) Cordova ionic JavaScript TeamCity Protractor automation Mobile development experience Some native iOS / Android skills also useful This is a 6 month contract in North London. Please do send your CV to us in Word format along with daily rate and availability

Job Description Infrastructure Solutions Architect The primary role of the IT Infrastructure Solutions Architect, is to ensure all IT Infrastructure applications architecture and design, systems and software Integration, functional requirements gathering, whether from inception or enhancements, are delivered on-time, aligned to industry standards, redundant and simplified by design, as well as being delivered cost effectively, whilst ensuring project delivery meets architectural objectives. Responsible for providing hands-on design and technical leadership to the global IT and business related teams, with a solid technology background, experience in capability and data models, domain driven design for application strategy, across all phases of the software development lifecycle. Additional responsibilities include ensuring IT Infrastructure and application design are secure, reliable, and regularly reviewed. This role will also develop and enhance relationship management with key service partners, independent contractors, vendors, and suppliers. Key Responsibilities/Tasks: • Lead the architecture design, and delivery towards consolidation of O365 amongst operating companies globally. • Lead the architecture and design towards implementation of a robust, cost-effective disaster recovery solution for all key business applications globally. • Ownership of the workflow design between core system applications and functions. • Ownership of end architecture target designs with viable interim states. • Ownership of data integration complexity, with an aim of simplification. • Ownership of architectural and operational design and roadmap. • Ensure solutions are secure by design, with minimum customisation (as needed). • Support and train technical / business leads across functions, using agile decision making. • Responsible for ensuring the correct technical solutions and products are chosen. • Responsible for documenting the technology landscape, interfaces, and data flows. • Responsible for ensuring new and modified services, occur in a planned, controlled, and timely manner, with emphasis on design and implementation concepts. • Provide monthly reporting dashboard, on network security, IoT consumption, endpoint and server security, application security, including SLA and key KPI counters to the director of IT and associated stakeholders. • Develop and maintain a comprehensive understanding of IT transformation related projects and programs, to ensure application of appropriate governance processes are aligned. • Maintain and up to date solution architecture diagrams / workflows and documentation for all key IT programmes, projects and ongoing BAU activities. • Provide timely reports to management and key stakeholders on projects progress, and risks to delivery including non-compliance issues. • Collaborate with the director of IT, ensuring IT security policies & practices are adhered to within all regions and groups. Skills/Competencies Required: • Microsoft / AWS architecture (recent experience) • Agile methodology / delivery • Experience with interacting with business and technology leaders. • Experience designing physical data models (relational SQL desirable) • Experience rolling our mid-large platforms from inception to production. • SQL, Java, Oracle, Kubernetes exposure. • Hardware and software virtualisation techniques • Excellent written and verbal communication skills • Prior experience in a complex IT infrastructure environment • Excellent analytical abilities and innovative problem-solving skills. • Excellent interpersonal skills and strong abilities to develop and enhance relationships with clients and peers. The Client is based in Central London. This is a hybrid role - 3 days per week in the office. The salary for this position circa £55K - £65K. Please do send your CV to us in Word format along with your salary and notice period.

Job Description Technical Solutions Architect The primary role of the IT solutions architect, is to ensure all IT Infrastructure applications architecture and design, systems and software Integration, functional requirements gathering, whether from inception or enhancements, are delivered on-time, aligned to industry standards, redundant and simplified by design, as well as being delivered cost effectively, whilst ensuring project delivery meets architectural objectives. Responsible for providing hands-on design and technical leadership to the global IT and business related teams, with a solid technology background, experience in capability and data models, domain driven design for application strategy, across all phases of the software development lifecycle. Additional responsibilities include ensuring IT Infrastructure and application design are secure, reliable, and regularly reviewed. This role will also develop and enhance relationship management with key service partners, independent contractors, vendors, and suppliers. Key Responsibilities/Tasks: • Lead the architecture design, and delivery towards consolidation of O365 amongst operating companies globally. • Lead the architecture and design towards implementation of a robust, cost-effective disaster recovery solution for all key business applications globally. • Ownership of the workflow design between core system applications and functions. • Ownership of end architecture target designs with viable interim states. • Ownership of data integration complexity, with an aim of simplification. • Ownership of architectural and operational design and roadmap. • Ensure solutions are secure by design, with minimum customisation (as needed). • Support and train technical / business leads across functions, using agile decision making. • Responsible for ensuring the correct technical solutions and products are chosen. • Responsible for documenting the technology landscape, interfaces, and data flows. • Responsible for ensuring new and modified services, occur in a planned, controlled, and timely manner, with emphasis on design and implementation concepts. • Provide monthly reporting dashboard, on network security, IoT consumption, endpoint and server security, application security, including SLA and key KPI counters to the director of IT and associated stakeholders. • Develop and maintain a comprehensive understanding of IT transformation related projects and programs, to ensure application of appropriate governance processes are aligned. • Maintain and up to date solution architecture diagrams / workflows and documentation for all key IT programmes, projects and ongoing BAU activities. • Provide timely reports to management and key stakeholders on projects progress, and risks to delivery including non-compliance issues. • Collaborate with the director of IT, ensuring IT security policies & practices are adhered to within all regions and groups. Skills/Competencies Required: • Microsoft / AWS architecture (recent experience) • Agile methodology / delivery • Experience with interacting with business and technology leaders. • Experience designing physical data models (relational SQL desirable) • Experience rolling our mid-large platforms from inception to production. • SQL, Java, Oracle, Kubernetes exposure. • Hardware and software virtualisation techniques • Excellent written and verbal communication skills • Prior experience in a complex IT infrastructure environment • Excellent analytical abilities and innovative problem-solving skills. • Excellent interpersonal skills and strong abilities to develop and enhance relationships with clients and peers. The Client is based in Central London. This is a hybrid role - 3 days per week in the office. The salary for this position circa £55K - £60K. Please do send your CV to us in Word format along with your salary and notice period.

C# Developer / Software Engineer (C# .Net SQL) *London onsite* to £180k+ Are you a technologist with a record of academic achievement? You could be progressing your career working on complex and challenging systems at a Hedge Fund with over $17 billion under management. As a C# Developer you'll collaborate with a team of highly intelligent technologists and finance professionals to develop algorithmic trading systems working with a modern tech stack, with opportunities for technical ownership from day one. You'll partner with Quant teams to help architect valuation, risk and pricing systems, delivering massively scalable, high performance streaming compute operations. You'll be equipped with all the latest kit to help you succeed as well as learning from industry experts on world finance. Location / WFH: You'll join the team in fantastic London (Soho) based offices that offer a wide range of facilities including nutritionally balance breakfast, lunch and all day snacks. Please note this role is full-time office based (Monday to Friday). About you: You have an outstanding record of academic achievement - minimum 2.1 in a STEM discipline from a top tier university (i.e. Russel Group or top 100 global university), backed by A grades at A-level You have advanced C# .Net programming skills including .Net Core (will also consider Java, Python or C++ background if happy to use C# going forward) You have a strong knowledge of SQL databases You have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patterns, Algorithms You're entrepreneurial with good business acumen, keen to take ownership and lead projects You're collaborative, enjoy problem solving and sharing ideas What's in it for you: As a C# Developer / Software Engineer you will earn a competitive package: Salary to £180k Significant bonus earning potential Fund performance share Personal training budget and mentoring Family friendly benefits that include unlimited emergency backup childcare as well as care for elderly relatives Various social groups including sports teams Private healthcare and wellness activities Apply now to find out more about this C# Developer / Software Engineer (C# .Net SQL) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

Job Description Mobile Application Developer for Android and IOS We are urgently looking for a Mobile Application Developer (iOS/Android) in North London. The following are key software development skills that we require: • AngularJS (v1.4/v1.5) • Cordova • ionic • JavaScript • TeamCity • Protractor automation • Mobile development experience • Some native iOS / Android skills also useful This is a 6 month contract in North London. Please do send your CV to us in Word format along with daily rate and availability

Job Description We are looking an Application Support Analyst with 3 to 5 years proven track of working in Test environment ensuring all applications are being fully supported in Test/ Non production mode. 5+ years of experience in Test/ Non production deployment management experience. This role is to support and execute deployments in non-prod environments Worked in complex , multi stream application environment To deploy builds into non production environments To Work closely with Development and Release Management to solve complex Build/Deployment process throughout all phases of the software To ensure all changes fall within application maintenance windows Ability to create builds (Hotfix and/or full EAR) using the information provided by development teams to then use for deployment across environments. To identify processes in need of automation or scripting To Build and maintain automatic deployment scripts To be able to coordinate with different teams - Configuration Management team, DBA's, Customer Infra teams and Application Development teams as part of deployment execution Ability to understand various deployment release notes and also in creating handover release notes to production deployment teams. Manage configuration versions for different streams of development in versioning and revision control system Ability to troubleshoot deployment related issues and work with development, application and infrastructure teams to resolve any issues. Understanding of open /distributed systems and Agile framework Awareness of ITIL frame work Ability to deliver results under pressure Good written and verbal communication skills. Main Skills require are as follows: Good working knowledge of distributed technologies Experience of Application deployments in complex , multi stream application environments Experience in deploying to Java/J2EE based applications Experience in deploying into Middleware components such as IHS, IIS, webmethods and WAS Deployments of core applications and also middleware layer ITIL frame work (Good awareness or certification) Understanding of Oracle and MS-SQL DBs and experience of having created and run scripts for deployment, data extraction, data insertion. Strong Unix/linux OS knowledge. Proficient in deployment of applications in .net and java using Jenkins, Maven and SVN Good experience of middleware deployments like WAS, IBM HTTP Server (IHS),MQ and Web methods Good experience of running DB scripts (Oracle and MSSql) Tools: Jenkins, SVN, SNOW, Jira , Maven, Puppet, Ant Appreciation of Application Test life cycle This a 6 to 12 month contract assignment - and may go on beyond this time frame. Please enclose an indication of your daily rate. Please send your CV to us in Word format.

Senior Front End Developer / Full Stack Engineer (TypeScript React) London / WFH to £90k Would you like to take ownership and progress your career at a growing tech start-up? As a Senior Front End Developer you'll join a small team to design and develop front end components on the website, client portals and dash boards, adding new features and enhancements to the core product that is revolutionising the payments industry to Africa, improving speed, cost and reliability. You'll join a small, collaborative, Agile team working on 2 week sprints and play a key part of tech discussions and decision making; whilst the focus is on front end work, you'll also need a good appreciation of APIs, backend connectivity and developer tools. Location / WFH: You'll join colleagues in the London, Canary Wharf offices three days a week (also the possibility to be remote in the UK). About you: You have advanced skills with TypeScript and React You have experience of consuming Web APIs such as RESTful, GraphQL, gRPC You have a strong appreciation of UI/UX design You are familiar with backend development, they use Golang so that would be great but any backend programming language is fine (e.g. Node, Python, Java, C++) You have experience of working on scalable, distributed systems You're collaborative with Agile team experience What's in it for you: Salary to £90k Hybrid working (x3 days office) Impactful role with excellent career growth opportunities Apply now to find out more about this Senior Front End Developer / Full Stack Engineer (TypeScript React) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

Job Description Senior UI Developer - Central London We are looking to recruit a Senior UI Developer with at least 5 years experience. Your experience must cover Front End UI development. It is important that those developers be sufficiently experience to lead the UI development in a micro-service/angular framework. Must have a very good background with Angular implementation and testing, along with rest end points. Additionally you must have a good understanding of how to break down an implementation of the UI to segregate the business logic responsibilities correctly. The following would be good to have - Vanilla Javascript/Core JavaScript coding, NodeJS, HTML5, CSS3). Key Skills required: Node.JS Development Javascript - variable scoping - Event handling and Event delegation - JSON parsing and looping - Promises - DOM manipulation. HTML - Semantic Markup - Accessibility - SEO friendly markup CSS - Positioning - Flex layout - Basic idea of CSS preprocessors like LESS/SCSS This is a 6 month assignment in Central London. Please send your CV to us in Word format along with daily rate and availability.

Data Engineer - Contract - InsideIR35 - InsuranceCity of London£600 - £700 per dayWe are proud to partner with a leading company in the Insurance industry to find a talented and dedicated Data Engineer. Our client is committed to leveraging technological advancements to enhance their data systems and support decision-making processes that directly impact company success.Role & Responsibilities: * Develop and maintain durable data pipelines and architectures. * Ensure the delivery of high-quality data that is accessible and reliable to relevant business units. * Implement systems to monitor data quality, ensuring production data is always accurate and available for key stakeholders. * Collaborate with product development teams in designing and deploying data-driven solutions and products. * Optimise data retrieval, develop dashboards, reports, and visualisations to support company initiatives. * Handle scalable issues for both data transformation and storage.Key Skills: * Proven experience as a Data Developer or Data Engineer. * Strong understanding of database management, warehousing solutions and extracting data from multiple sources. * Proficiency in handling and processing large sets of structured and unstructured data. * In-depth knowledge of SQL/NoSQL, Python, Java or Scala, and cloud services. * Ability to work collaboratively in a dynamic team environment. * Excellent problem-solving and analytical skills. * Strong communication and interpersonal skills. * DataBricksDesired: * Re-Insurance experience would be favourable