151 to 175 of 333 Java Jobs in London

front-office, brokerage, exchange, ISV, software vendor or market data business. Experience within Equities or Fixed Income markets. Familiarity with modern tech stacks, including Java, Python or C++. Experience working within an electronic trading environment is essential. Excellent analytical, communication, and stakeholder management skills. 🌍 Why Join? You’ll be part ...

maintainable code, systems design and software architecture Experience working across multiple technology stacks Strong experience with library‐appropriate, strongly typed languages such as C++, Java, C#, Go or Rust, along with relevant front‐end frameworks High adaptability and the ability to learn new technologies quickly Interest in modern technologies such ...

just find problems — you help fix them. Have solid experience in penetration testing and offensive security Can spot vulnerabilities in code (especially Java and Node.js) Understand modern architectures — AWS, microservices, APIs Communicate clearly and give practical, actionable remediation advice Comfortable scripting and contributing to larger projects in Python Take ownership ...

modern React frameworks WebSockets, streaming data, or real-time UI updates D3.js, charting libraries, or custom data visualisation Backend languages such as Python, C++, Java, or Go Familiarity with GraphQL, RESTful APIs, or event-driven systems Nice to Have (But Not Required) Exposure to financial markets, trading systems, or time ...

central to the team’s core systems Python is widely used across quant and data groups Open to candidates from other OO backgrounds (C++, Java, Go) with strong fundamentals Exposure to high‐performance, low‐latency, or business‐critical systems is valuable Financial markets experience is not essential, but interest ...

part of the low latency development team. The team provides industry leading low-latency trading services for our clients, utilizing FPGA, C++ and Java technologies. The candidate will be focusing on the C++ components. The ideal candidate: Is motivated by working in a high performing team, Is flexible to change ...

Strong AWS expertise, including tools such as Glue, Lambda, Kinesis, EMR, Athena, DynamoDB, CloudWatch, SNS and Step Functions. Skilled in modern programming, particularly Python, Java, Scala and PySpark. Solid knowledge of data storage and big data technologies, including data warehouses, databases, Redshift, RDS and Hadoop. Experience building and managing ...

clean, tested, maintainable code • Iterating quickly based on real user feedback ⸻ What We Are Looking For • Proven experience with server-side languages — C#, Python, Java, Node.js, or similar • Strong knowledge of RESTful API development (ASP.NET Web API or equivalent) • Solid understanding of database design — SQL, T-SQL, PL/ ...

Experience in networking, storage systems, operating systems, and hands‐on systems engineering Experience programming with at least one modern language such as C++, C#, Java, Python, Golang, PowerShell, Ruby Preferred Qualifications Experience with Ansible (preferred), PowerShell or JavaScript/TypeScript Amazon is an equal opportunity employer and does not discriminate ...

methodologies End-to-end incident response lifecycle experience Detection engineering and alert development expertise. Strong scripting or programming skills (Python, Bash, C/C++, Java). Solid grounding in cybersecurity fundamentals: network security, cloud security, cryptography, forensics. Understanding of common network protocols and attacker abuse patterns. Awareness of current ...

essential for this role) Python within quant or data environments The client will also consider exceptional engineers from other OOP backgrounds such as C++ , Java , or Go Familiarity with UI technologies such as WinForms, WPF, Blazor Hybrid, and Blazor Web Additional interests: Experience working in front‐office or trading‐technology ...

essential for this role) Python within quant or data environments The client will also consider exceptional engineers from other OOP backgrounds such as C++ , Java , or Go Familiarity with UI technologies such as WinForms, WPF, Blazor Hybrid, and Blazor Web Leadership & Approach Experience working in front‐office or trading‐technology ...

jargon into technical tasks and be responsible for having discussion with business stakeholders and product Work with the following tech/tools/methodology; Java, JavaScript, HTML, CSS, TDD, Agile, pair programming, Bitbucket, Bamboo Qualifications Experience in the Salesforce and Force.com platform Apex, Aura/LWC, Visualforce development with ...

understanding of insurance billing processes including invoicing, payments, adjustments, and collections. Hands-on experience with Guidewire configuration, integration, and data model customization. Expertise in Java, Gosu, and Guidewire Studio. Experience with Guidewire Cloud Platform (GWCP) and cloud-native architecture patterns. Knowledge of integration technologies including APIs, messaging frameworks, and middleware. ...

eliminating repetitive manual processes using automation to improve them through repeated iteration Confirmed ability to write programs using a high-level programming language like: Java, Go, Python, or Perl Proclivity towards efficient programming emphasizing improvement via complexity analysis. Experience with Kubernetes, Nginx, Envoy, Prometheus, and/or Docker. Preferred Qualifications ...

Contract Algo Trading Java Developer - eTrading, low latency, Java APIs, Multithreading, FIX Our Investment Banking client is looking for an Algo trading Java developer to join the team to work on new initiatives and support for business critical algorithmic trading engines. The team provides innovative solutions for low touch … latency trading, which includes FIX connectivity, low latency market connectivity, smart order routing, algorithmic trading and internal crossing. The requirement is for a core Java developer. The team is working on a number of algorithmic engines that support benchmark algos, smart order routing and internal crossing. The main responsibilities ...

Responsibilities Engineering Standards : Define and enforce Java and Node.js coding standards across the engineering team, with a strong emphasis on robust exception handling, binary stream processing, structured logging using Application Insights, and security‐first development practices. Cloud‐Native Readiness : Ensure all application logic is designed for containerisation from inception. This … contract tests, to minimise regressions and ensure deployments are stable and verifiable prior to production release. The Ideal Candidate Experience : 10+ years of professional Java development experience, with proven production ownership of Spring Boot–based microservices architectures. Azure Integration : Demonstrated experience building applications that integrate with Azure-native services, including ...

secure Driving engineering best practices across testing, automation, and performance Working closely with product and engineering stakeholders to deliver robust solutions Technology Environment Java and Spring Boot (low-latency) Distributed systems and microservices architecture AI Skills mandatory Angular or TypeScript (full-stack capability beneficial) Cloud and containerisation technologies CI/… automated testing, and observability tooling Requirements Strong experience in Java and backend development Experience building and scaling distributed systems in production environments Solid understanding of software architecture and system design Experience working in financial services or other regulated environments Exposure to the full software development lifecycle Familiarity with modern development ...

more information on how we process your personal data, please refer to HCLTech’ s Candidate Data Privacy Notice. Roles and Responsibilities- Migration‐focused Java + DevOps engineer with strong experience in lift‐and‐shift of existing services , CI/CD automation, and scripting. Must be comfortable working with infrastructure teams … such as Geneos, Grafana and Prometheus or equivalent, with an appreciation of what good operational visibility looks like for a trading platform. Mandatory Skills Java services understanding (operate & migrate existing apps) DevOps & infra migration (box‐to‐box/lift‐and‐shift) CI/CD & automation: Ansible, Chef, TeamCity Scripting (Python ...

Hiring: Junior Java Spring-boot Developer Location: Onsite (London) Type: Full-time | Permanent Level: Junior London based candidates only. Job Summary: We are seeking a skilled and motivated Java Developer to join our growing software development team. As a Java Developer, you will be responsible for designing, developing, and maintaining … high-performance, scalable, and reliable Java-based applications. You’ll collaborate with cross-functional teams to deliver robust software solutions that meet business requirements. Company Profile: Information Tech Consultants Ltd is a UK-based IT consultancy working with global clients including Fortune 500 & FTSE 100 companies. We are seeking ...

consistent and reliable curve and volatility data for over-the-counter derivatives in support of trading, research, valuation and independent price verification. As a Java/Clojure Engineer, you'll work closely with our product and data specialists across all asset classes, extending our platform while maintaining high test-coverage … Looking For: Basic Required Qualifications: Bachelor's degree in Computer Science, numerate discipline, or equivalent experience with approximately 3 years working on distributed Java platforms and web technologies Experience with modern Java versions (such as Java 17, 21) Willingness to learn and work with Clojure Proficiency in both UNIX/ ...

Title: Lead Modernization Engineer Java/Node.js Salary: Paying up to £80,000 per annum Location: Wembley London - 5 days on-site Our client, a well-established and diversified multinational organisation, is seeking a Lead Modernization Engineer Java/Node.js to join their team. Skills Solid Experience in Java development … design principles, OAuth2 authentication flows (including FusionAuth integration), and DMARC-compliant transactional email logic via SendGrid. Duties Engineering Standards: Define and enforce the clients Java and Node.js coding standards across the team - with a specific focus on robust exception handling, ninary stream handling, structured logging via Application Insights, and adherence ...

Location: 5 days onsite Domain: Banking/Finance/Trading - Market Risk Skills: SRE experience with Python-based applications (not Java) Exposure to cloud technologies Trade Lifecycle/Market Risk/Risk platform experience Experience: Minimum 8+ years ...

position in a fast-paced financial domain, focusing on core Trading Systems and Execution Platforms. The ideal candidate will have hands-on experience in Java and JavaScript, as well as a strong understanding of Capital Markets. Competitive senior-level packages and premium benefits are offered. #J-18808-Ljbffr ...

driving strategic transformation through AI tools, and developing high-availability services. The ideal candidate has over 8 years of software development experience, particularly in Java, and a proven track record in developing event-driven architectures. Competitive benefits and a commitment to diversity and inclusion are part of the offering. #J ...