126 to 150 of 869 Java Jobs in London

forums, ensuring engineering insights and feedback are heard and actioned. Key requirements: 5+ years of engineering leadership experience, managing teams of 8+ engineers. A strong development background in JavaScript, Java or Kotlin (React or React Native experience is a bonus!). Proven success building and scaling distributed systems using modern cloud-native technologies (e.g. Docker, Kubernetes, microservices). A deep More ❯

would be beneficial to the role Enterprise Integration Patterns and Solution architecture experience would be an asset. Knowledge of Digital patterns, application lifecycle management, continuous integration Application Integration with Java, JavaScript, ESB/API tools and/or C C Experience with Integration Platforms such as Boomi, Mulesoft, Workato, SAP Integration Suite Working experience with Technologies such as Docker, Kubernetes More ❯

test, deploy, maintain, and enhance software solutions. What are we looking for: Bachelor's or Master's degree in Computer Science, Engineering, or related field Proficiency in .NET C#, Java, or Go, or Python, with a strong understanding of software development principles in either a backend or full stack environment. Great communication skills and ability to interact effectively with a More ❯

and help improve the team's tooling and infrastructure. What We're Looking For 8+ years of experience in data engineering or a related field. Strong programming skills in Java, Python and SQL; familiarity with Rust is a plus. Proven experience designing and maintaining scalable ETL/ELT pipelines and data architectures. Hands-on expertise with cloud platforms (e.g., AWS More ❯

solutions at different levels - unit and integration - Experience with relational or non-relational databases, preferably PostgreSQL, DynamoDB, AWS Athena Experience with Docker and Kubernetes Nice to haves: Experience with Java Experience with Play framework Experience with web frameworks, or web development Experience with eCommerce Experience with event-driven architectures, preferably using RabbitMQ or Kafka Experience in using production AWS infrastructure More ❯

growth of junior engineers. WHAT YOU'LL BRING: 8+ years of hands-on software development experience in the trading domain, building large-scale distributed systems, with 6+ years in Java or similar languages like Golang or Scala. Proven track record in front-office trading environments, with deep expertise in designing and implementing high-performance financial and trading systems, including FX More ❯

learning pipelines, incl. deep learning, GenAI, LLM, etc. as well as hands on experience on AWS services like SageMaker and Bedrock, and programming skills such as Python, R, SQL, Java, Julia, Scala, Spark/Numpy/Pandas/scikit, JavaScript Amazon is an equal opportunities employer. We believe passionately that employing a diverse workforce is central to our success. We More ❯

such as Django, Flask or FastAPI Preferred: Familiarity with event streaming platforms such as Apache Kafka Preferred: Familiarity with data pipeline platforms such as Apache Airflow Preferred: Familiarity with Java Preferred: Experience in one or more relevant financial areas (market data, order management, algorithmic trading, financial systems integration, compliance, etc.) Benefits and Perks We value the total wellbeing of our More ❯

Participation in system design consulting, platform management, and capacity planning Basic Qualifications 3 years or more of relevant work experience Proficiency in one of the following: Python, C, C++, Java, or shell scripting Aptitude for algorithms, data structures, and software design Experience with Linux operating system internals and/or networking concepts Strong analytical skills, with an ability to quickly More ❯

of software testing methodologies, including regression, performance, and security testing. Hands-on experience with CI/CD pipelines and integrating testing processes. Working knowledge of programming languages like Python, Java, or JavaScript is a plus. 3. Tools and Frameworks: Experience with test management tools such as MS Azure DevOps. Familiarity with performance testing tools and practices is advantageous. 4. Soft More ❯

education Bachelor's Degree Required technical and professional expertise Experience in AWS management including; EC2 Instances and Auto Scaling Groups, RDS, VPCs, SQS, Elasticsearch Service Experience with Python or Java Experience with CI/CD pipelines Experience in writing unit tests and/or functional tests Experience with AWS management including; EC2 Instances and Auto Scaling Groups, RDS, VPCs, SQS More ❯

to the architectural design of our digital services platform. Collaborate with UX designers and product owners to translate user needs into functional and intuitive applications. Develop and maintain robust Java applications using Spring Boot and microservices architecture. Implement real-time data streaming solutions using Kafka to ensure timely and accurate data delivery. Optimize application performance to handle large datasets and … a transformative program,and the leadership skills to integrate existing service delivery components into a unified and high-performing model. Experience in both frontend and backend development. Proficiency in Java, Python, JavaScript, Angular, and NodeJS. Experience with RESTful APIs, microservices, and event-driven architectures. Solid understanding of data structures, algorithms, and database technologies (SQL and NoSQL). Experience with cloud … organization is a plus. Job Family Group: Technology Job Family: Applications Development Time Type: Full time Most Relevant Skills Please see the requirements listed above. Other Relevant Skills Angular, Java, React.js. Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as More ❯

warehouses. Strong SQL and relational database skills (preferably Postgres); CDC experience is a bonus. Knowledge of data modeling (3NF, star schema, Data Vault). Experience with Python, TypeScript, or Java (Java learning expected). Familiarity with data tools like dbt or Spark; CDC tools like Debezium are a bonus. Build resilient, scalable, and observable data systems. Understanding of DevOps, Infrastructure More ❯

Ensure the trading platform adheres to security and compliance standards. Key Skills & Experience: • Strong proficiency in TypeScript, JavaScript, React, HTML/CSS, Node.js. • Familiarity with backend technologies such as Java 8, Vert.x, Linux. • JIRA, Confluence, Git, NPM, Yarn, Webpack, TeamCity/Jenkins, Artifactory. • Demonstrable experience running a development team. • Experience in Agile/DevOps environments. • Excellent communication skills. • Strong UI More ❯

to Big Data tools such as Elasticsearch. Background in the travel industry. Knowledge of GitHub and version control best practices. Tech Stack & Tools Cloud: AWS, GCP (BigQuery) Languages: Python, Java, C# Data: SQL, JSON, XML, ElasticSearch Other: HTTP, Regular Expressions, GitHub Please send me copies of your CV if you meet the requirements More ❯

workflows and toolsets (Jenkins), version control (Git/GitHub) Experience with development in UNIX/Linux environments Experience/familiarity with Ruby, and other application programming languages (e.g. PHP, Java, Python, C++) Experience with Node.js Knowledge of other client-side scripting languages (Flash/Actionscript) Experience with relational (MySQL) and non-relational databases What's in it for you? Opportunity More ❯

the highest degree of ethics and integrity. Nice to have: Knowledge of financial instruments & data: FX, Futures, Interest Rates derivatives, Options Proficiency in another programming language such as C#, Java or C++ Web development skills Experience with AWS More ❯

AWS , GCP , or Azure . Strong knowledge of data modeling, data warehousing, and ETL/ELT processes. 5+ years of experience in software development (using languages such as Go, Java, Python, C# , etc.). 3+ years of experience specifically in data engineering. Our Tech Stack Go, Temporal, dbt, Modern RDBMS, Snowflake, AWS, Kubernetes, modern design & architectural patterns, React, GraphQL. More ❯

teams to turn requirements into elegant technical solutions. What we're looking for 5+ years' back-end software development experience. Strong skills in TypeScript, AWS & C#, Experience with Python, Java, or Go (we use TypeScript and C#). Solid experience with AWS (or GCP) and cloud-native architectures. If this sounds like a contract that would interest you, please apply More ❯

networking. Implement monitoring tools for real-time performance tracking and diagnostics. Adhere to security and compliance standards for financial data handling. Strong proficiency in low latency C++ , Rust , or Java for performance-critical applications. Experience with DPDK , RDMA , or other kernel bypass/network acceleration techniques. Deep understanding of multithreading , lock-free programming , and memory management . Familiarity with FIX More ❯

architecture, which is hosted on AWS. You will be working on improving and building the solutions with a team of like-minded and creative developers. Tech stack: Kotlin, Spring, Java, PostgreSQL, AWS, Microservices, Typescript, Docker, Kubernetes, Terraform, JSON/REST, SOAP and XML. This role is a backend development position, and not mobile/android focused. You will need to More ❯

architecture, which is hosted on AWS. You will be working on improving and building the solutions with a team of like-minded and creative developers. Tech stack: Kotlin, Spring, Java, PostgreSQL, AWS, Microservices, Typescript, Docker, Kubernetes, Terraform, JSON/REST, SOAP, and XML. This role is a backend development position, and not mobile/android focused. You will need to More ❯

reproducibility. Supporting the development of real-time and batch inference pipelines. Contributing to the scalability, efficiency, and reliability of ML infrastructure. KEY SKILLS AND REQUIREMENTS Strong experience in Python, Java, or Scala for backend development. Solid understanding of data processing and engineering workflows. Experience building APIs or services to support data or ML applications. Familiarity with ML model lifecycle and More ❯

Solace/Kafka/Tibco Proficiency in CI/CD, application resiliency, testing, profiling, and telemetry Nice to have: Familiarity with OpenFin, Interop or other containerized front end frameworks Java, C#.NET or Python experience Kubernetes Experience working in finance is a plus, but not required Job Family Group: Technology Job Family: Applications Development Time Type: Full time Most Relevant Skills More ❯

of networking, security, and compliance frameworks in cloud environments Excellent problem-solving skills and the ability to communicate complex technical concepts clearly Familiarity with programming languages such as Python, Java, or Node.js is a plus Requirements Bachelor's degree in Computer Science, Information Technology, or a related field At least 5 years of experience in cloud architecture or related roles More ❯