26 to 50 of 103 Java Jobs in the City of London

Extensive experience as a Technical Lead, Lead Engineer, or Senior Developer in complex enterprise environments Strong hands-on expertise in modern software engineering, with Java as a key strength, and experience in API and integration design Solid experience with cloud platforms (AWS, Azure, or Google Cloud), including security, networking ...

JSON, making API calls, and reading or writing scripts to debug application logic Programming/scripting language experience, particularly JavaScript, PHP, HTML, Java, XSLT, SQL A logical, structured approach to problems and strong attention to detail The ability to explain complex topics clearly to both technical and non-technical audiences ...

machine learning as a subject. Strong understanding of computing infrastructure a subject, preferred knowledge of AI infrastructure. Proficiency in programming languages such as Python, Java, or C++. Experience with data pipeline and workflow management tools (e.g., Apache Airflow, Kubeflow). Strong problem-solving skills and ability to work ...

Our client is a leading IT services and digital transformation consultancy. Company Description Our client has celebrated 30 years in business and continues to be trusted by global brands to deliver technology and transformation solutions ...

Our client is a leading IT services and digital transformation consultancy. Company Description Our client has celebrated 30 years in business and continues to be trusted by global brands to deliver technology and transformation solutions ...

Principal Engineer (Java) - Contract London or Edinburgh | Hybrid Working (2 Days Per Week On-Site) | 6-9 Month Contract | Competitive Daily Rate We're currently seeking an experienced Principal Engineer to join a major technology transformation programme on an initial 6-9 month contract . This is a senior-level … play a key role in driving modern engineering practices, automation, and software quality across a large-scale platform landscape. Key Technology Stack Essential Java 8+ Spring Boot Microservices Architecture REST APIs PostgreSQL Kafka Snowflake Desirable IBM StreamSets Apache Airflow The Role As a Principal Engineer, you'll create great customer ...

partner with Finance, Risk and Compliance to translate complex requirements into scalable data platforms and applications. The role requires hands-on coding in Java or Python, strong system design skills, experience with cloud technologies (AWS) and distributed microservices, plus excellent #J-18808-Ljbffr ...

more custody domains , including Securities Settlements, Asset Servicing (Corporate Actions), Transaction Management, Tax Operations, or Cash & FX Processing Strong software engineering foundation, ideally across Java, Spring Boot, Oracle, and SQL technologies Kafka experience Strong stakeholder management experience Financial services background is highly desired If you're interested in this role ...

/CD (experience with GitHub Actions and Jenkins would be ideal) Coding skills in Python, preferably with some exposure to JavaScript and Java A solid understanding of IT security principles Full existing UK work permission without time limit or the need for sponsorship This is a great opportunity to join ...

encryption, network security Please list the key Skills required (Desirable) Other desirable skills include: *Experience with Front End Scripting languages such as Java and Python *Experience with other areas of the product life cycle such as requirements gathering, service design, etc. *Experience with configuration of monitoring tools such as Prometheus ...

grasp objectives, build technical skills, and contribute to tools and applications that improve how the teams work. Use programming skills (C#, Python, R, Java) to improve and automate processes. Analyse data with SQL for accurate decision-making. Explore and pilot AI where it may add value to the firm, testing ...

fast testing, and measurable time-to-first-transaction.Use feedback from internal teams, external developers, pilots, and partner integrations to improve the platform quickly.Backend EngineeringBuild Java-based backend services that support real-time, high-trust payment workflows with strong performance, observability, security, and operational discipline.Own features from design through implementation, testing ...

learning as a subject. Strong understanding of computing infrastructure a subject, preferred knowledge of AI infrastructure. Good proficiency in programming languages such as Python, Java, or C++. Experience with data pipeline and workflow management tools (e.g., Apache Airflow, Kubeflow). Strong problem‐solving skills and ability to work ...

implement short and long-term solutions that enhance and expand these shared services.Principal ResponsibilitiesDelivery:Delivering new core services and API capabilities, primarily in Java and C#, for consumption by multiple Investments applications and teams.Maintaining and enhancing existing services, including those written in Python and Node.js, and driving their modernization where … Multi-Asset).Required Skills and Experience:Technical SkillsJava and/or C# - Proven track record of designing, building and operating production-grade services in Java and/or C#, our primary languages for all new services. Willingness to work across both is expected.Polyglot Flexibility - Working knowledge of Python and Node.js ...

Senior Software Engineer: Sports Betting Up to £120,000 + Bonus + Excellent Benefits London - 5 Days On-Site Python Java AI Low Latency Distributed Systems Build software where performance, mathematics and real-time decision-making genuinely matter. We're partnering with a highly technical sports betting business continuing ...

multiple business functions, delivering trusted technology products that power the firm's operations. In this role you will develop production code in Python/Java, embrace AI-assisted engineering practices, and lead design, deployment, and automation efforts to improve reliability, performance, and speed #J-18808-Ljbffr ...

frameworks such as Django, Flask or FastAPI. Familiarity with event-streaming technologies including Apache Kafka. Experience building data pipelines using Apache Airflow. Exposure to Java development. Why Join? Work on cutting-edge electronic trading technology. Influence the architecture of business-critical systems. Lead projects with real commercial impact. Collaborate with ...

enablement Awareness of data governance, ethics and responsible AI Eligibility for Enhanced DBS and BPSS clearance Desirable: Experience with PyTorch, TensorFlow, LangGraph, R or Java Experience with Spark, Databricks or similar distributed data platforms, and exposure to MLOps Experience of AWS, Azure or GCP AI/ML services, ideally with ...

such as Claude Code to deliver significant engineering work. Strong architecture, distributed systems and modern cloud engineering experience. Experience with technologies such as .NET, Java, Go, Python or similar. Excellent communication skills and confidence working with senior business and technology stakeholders. Strong commercial awareness, pragmatism and a consultancy mindset. ...

Experience working with language models like LLM's APIs and optimizing their usage for specific applications. Experience with the following programming languages: Python, C++, Java, R, SQL Strong written & verbal communication skills and ability to communicate complex technical concepts to non-technical stakeholders Strong client-facing skillsets in a consulting ...

architecture. Working knowledge of product and/or project management and Software development Life Cycle (SDLC). General knowledge of technical reference architectures in Java, .NET, SQL and SOA required. General knowledge of experience with influencing people in a matrixed organization. Thorough knowledge of experience in multiple technologies and architectures. ...

ForDesigning, building, testing, deploying and supporting software across the full development lifecycle.Developing front-end applications using TypeScript, React and Redux.Building back-end services using Java, Node.js and REST APIs.Developing analytics and data processing components using Python.Designing data models and working with relational and document databases.Writing automated unit, integration … Quants and other stakeholders to understand requirements and translate business needs into technical solutions.Required Skills and ExperienceStrong software engineering skills in TypeScript/JavaScript, Java and Python.Experience with React, Redux and Node.js.Experience building Java services using frameworks such as Spring Boot.Strong understanding of software design, API development and data modelling.Experience ...

Atyeti in London is seeking a Senior Azure Cloud Architect to lead migration and modernization of enterprise Java applications from on-prem to Microsoft Azure. You will define landing zones, governance, and design secure, scalable Azure architectures, while modernizing applications from monoliths to microservices where applicable. This role requires strong ...

/ML specifications and guide a local team through Agile roadmaps. This role emphasizes mentoring engineers, integrating AI/ML techniques with Java or Python, and driving adoption of enterprise AI practices that improve quality, delivery speed, and reliability across a #J-18808-Ljbffr ...

team in London. You will help architect a multi-petabyte data estate, processing billions of datapoints daily from thousands of sources. The stack includes Java, Python, Kafka, ArcticDB, Airflow, Spark, and more, tackling complex distributed systems at scale. Join a team where AI agents are increasingly central, with emphasis ...