151 to 175 of 265 Java Jobs in London

Active, or recently active, SC or DV clearance (essential) Strong experience delivering production systems in complex environments Depth in at least one modern language (Java, TypeScript, Python, Go etc.) Cloud/container experience and a security‐first mindset Confidence influencing technical decisions and improving teams Tech we commonly use Java ...

where you'll balance technical delivery with mentoring and architectural direction. Key Responsibilities Lead the design, development, and deployment of full-stack applications using Java, React, JavaScript , and AWS . Provide technical leadership and direction to development teams. Collaborate with architects, product owners, and stakeholders to deliver secure and scalable … junior and mid-level developers. Ensure all solutions meet government and security compliance standards. Skills & Experience Essential: Active SC Clearance . Strong background in Java and React development. Proficiency with AWS and modern JavaScript frameworks. Experience leading technical teams or projects in an agile environment. Excellent problem-solving, communication ...

across Business Services, Corporate banking, Wealth Management, Group Functions, Retail and Investment Banking. On behalf of this organisation, AMS are looking for a Backend Java Engineer for a 6 month contract based in London (2 days per week) with remote working available (hybrid). Purpose of the role: Join … issues. Support and oversee junior engineers and act as a subject matter expert. The skills you'll need: Solid practical and theoretical knowledge of Java software development. Strong experience of Spring Boot/Micronaut. An understanding of Kubernetes/Docker. Excellent understanding of AWS (deployment/configuration) Message-driven architectures ...

Java Messaging Engineer eBond Trading Platform We are seeking a high-caliber Java Backend Developer to join the Booking & Messaging cell of a global electronic trading platform. This role is at the heart of the 'eBond' ecosystem, managing high-throughput trade flows and external venue connectivity. Your Technical Arsenal Core … Java Mastery: Expert-level Java (8+) with a focus on Multithreading, Conc click apply for full job details ...

involves assessing current legacy systems and defining a clear technical roadmap for modernization. Candidates should have robust experience in investment banking and familiarity with Java and .NET systems. The position requires on-site presence three days a week in London, with both permanent and contract arrangements considered. #J-18808-Ljbffr ...

This full-time role involves collaborating with various teams to enhance reliability and scalability of platforms. Candidates should have extensive backend experience, preferably in Java and Spring Boot, along with skills in event-driven systems and cloud environments. Benefits include generous holiday allowance and support for professional development. #J ...

optimizing high-performance trading systems and collaborating closely with traders and engineers to improve market-making capabilities. Candidates should have a strong background in Java or C++, analytical skills, and a minimum of 4 years in software engineering. This position offers the chance to work in a dynamic and fast ...

Understanding of the Software Development Lifecycle, especially testing and integration Experience testing Windows and PC-based software Knowledge of scripting or programming (Python, Bash, Java, etc.) Degree in Engineering, Computer Science, or related field ...

work heavily in the public sector - we're looking for a Technical Architect for an immediate contract role. Key skills: Background and exposure to Java or Node software development. Low-level software architecture and analysis 50% hands on engineering (poc/dev, troubleshooting supporting lead devs with technical decision making ...

well as very competitive salaries, our client offers an excellent working environment. Skills required: Proficient in several of the following: Python, C#, C++, Java Mathematical Modelling Mathematical skills, particularly a keen understanding of probabilities and statistics Analytic mindset Strong communication skills Accuracy and attention to detail Experience in data science ...

deliver complex, high-value initiatives Mentor senior engineers and influence technical direction across teams What They’re Looking For Strong backend development experience using Java and Spring Boot Deep experience with Elasticsearch. Proven track record designing scalable, distributed systems Experience operating across multiple teams or domains Strong stakeholder management ...

well as very competitive salaries, our client offers an excellent working environment. Skills required: Proficient in several of the following: Python, C#, C++, Java Mathematical Modelling Mathematical skills, particularly a keen understanding of probabilities and statistics Analytic mindset Strong communication skills Accuracy and attention to detail Experience in data science ...

systems About You Qualified Teacher Status (QTS) or equivalent Strong subject knowledge in Computing or Computer Science Ability to teach programming languages (e.g., Python, Java, or similar) Confident classroom practitioner with effective behaviour management skills Passionate about technology and inspiring young people Commitment to raising achievement and continuous professional development ...

consulting capacity to optimise use of trading products Key Skills & Experience Strong quantitative mindset with passion for data and research Strong Python development skills (Java exposure beneficial but not core) Experience with electronic trading strategies and market microstructure Knowledge of European equities markets Exposure to distributed systems and large-scale ...

/HyperV/Virtualisation) Technologies: MS Server 2019/22, Redhat Linux, AD and Group Policy Management, MS Certificate and KPI, MS SQL, Gigaspace, Java, Network config and Management, WSUS,/UXMS Hardware: Cisco LAN/WAN switches, Dell/Fujitsu/HP Server and user devices, Dell/Fujitsu ...

/Virtualisation) Technologies: MS Server 2019/22/25, Redhat Linux, AD and Group Policy Management, MS Certificate and KPI, MS SQL, Gigaspace, Java, Network config and Management, WSUS,/UXMS Hardware: Cisco LAN/WAN switches, Dell/Fujitsu/HP Server and user devices, Dell/Fujitsu ...

/Virtualisation) Technologies: MS Server 2019/22/25, Redhat Linux, AD and Group Policy Management, MS Certificate and KPI, MS SQL, Gigaspace, Java, Network config and Management, WSUS,/UXMS Hardware: Cisco LAN/WAN switches, Dell/Fujitsu/HP Server and user devices, Dell/Fujitsu ...

application support environment 2+ years’ experience working with Red Hat Linux (or other Unix variants), including scripting 2+ years’ experience supporting applications such as Java, .NET, Apache or IIS Desirable: Experience within the financial services or trading environment Knowledge of Windows Server Familiarity with ITIL frameworks Exposure to market data ...

automation. WE NEED THE SENIOR SOFTWARE ENGINEER TO HAVE.... Current enhanced DV clearance Experience with at least one or more of the following: Java, Python, C++, .NET, C#, JavaScript, React Experience mentoring juniors or leading a team Experience/Knowledge of automation IT WOULD BE NICE FOR THE SENIOR SOFTWARE … hearing from you. SENIOR SOFTWARE ENGINEER - DV CLEARED KEY SKILLS: SENIOR SOFTWARE ENGINEER/SENIOR SOFTWARE DEVELOPER//LEAD SOFTWARE ENGINEER/JAVA DEVELOPER/JAVA ENGINEER/LEAD SOFTWARE DEVELOPER/SENIOR SOFTWARE DEVELOPER/DV CLEARED/DV CLEARANCE/DEVELOPPED VETTING/DEVELOPED VETTED/DEEP ...

Java Software Engineer with around 3-6 years professional, post-graduate experience sought by one of the original Quantitative Hedge Funds, with a 20+ year track-record. The firm are renowned for a healthy, supportive, and collegiate working environment and culture, with no siloes, boasting an industry-leading staff tenure. … Corporate Functions. The team deal directly with business users right across the firm, taking ownership of analysis, design, architecture, and implementation, working primarily with Java, but also with Python, SQL and to a lesser extent, MATLAB. They currently have an opening for a mid-level hire in the team, with ...

deeply about the end user experience, possess a strong desire to learn, and feel comfortable with at least one statically compiled language (C#, C++, Java, Swift, Rust etc). Technical Diligence - You value version control and code review, you are architecturally curious, you maintain documentation. You advocate for your ideas ...

performance, scalability and reliability (e.g. DORA metrics). Strong Python background and comfort working across modern engineering ecosystems (our systems are written in TypeScript, Java, Golang, Rust, Python and others). Confident operating at senior leadership level and influencing across functions. Desirable: Google Cloud Platform including BigQuery & AI Platform. Bayesian ...

This is not a bank. Not a consultancy. Not sell‐side tech. We’re hiring a Java Engineer to join a small, elite engineering team inside a buyside FX trading firm building proprietary systems that directly trade capital. Your code won’t feed dashboards or client portals — it will … fluff. This is backend + infrastructure engineering in a production trading environment. Who This Is For We’re looking for a junior–mid level Java engineer who can: Pick up tickets independently Write clean, production‐ready code Deliver without constant oversight This is not a senior or architectural role ...

This is an exciting opportunity for a Senior UI React/Java Developer to contribute to innovative projects in the Financial Services industry. The role is based in London and focuses on delivering high-quality solutions within a collaborative technology department. Client Details The client is a leading global financial … their commitment to building high-performance trading platforms that support complex, fast-moving Fixed Income markets. Description As the Senior UI React/Java Developer, you will: Lead front-end development for a new trading system within the credit space Build advanced, high-performance UI components for an eTrading platform ...

performance degradation, and uncover hidden configuration flaws. This involves deep-dive performance analysis using tools like PurePath and Smartscape to ensure optimal operation of Java backends and Angular frontends. Cloud and Microservices Integration The candidate will be responsible for integrating Dynatrace monitoring within our AWS cloud infrastructure and microservices ecosystem. … Application Performance Monitoring (APM) concepts is essential. The role requires profound knowledge of AWS services, microservices architectures, and full-stack development technologies, specifically Java and Angular. Analytical and Problem-Solving Skills Exceptional analytical skills are required to interpret complex performance metrics, including CPU, memory, latency, and throughput. The candidate must ...