26 to 50 of 1,328 Java Jobs in London

Systems, Backend Development, API Development, Microservices, Cloud Infrastructure, Infrastructure Engineering, Platform Engineering, Algorithms, Data Structures, Object Oriented Programming, Functional Programming, Python, C++, Rust, Go, Java, TypeScript, JavaScript, Database Design, SQL, NoSQL, PostgreSQL, System Architecture, Technical Leadership, Engineering Strategy, Software Reliability, Performance Optimisation, Automation, DevOps, CI/CD, AWS, Azure, Google ...

Tech stack required ideally: You can expect to work with the following technologies to ensure scalable, high-performance applications: Programming Languages: JavaScript/TypeScript, Java, C# Frameworks: Vue/Angular/React/Node/Next, Spring/Spring Boot, .NET/ASP.NET Cloud platforms: AWS, GCP, Azure CI/ ...

step workflows; instrument agents for tracing, metrics, and feedback loops to continuously improve reliability and utility Required qualifications, capabilities and skills: Demonstrate proficiency in Java and/or Python programming languages Deployed production systems to GenAI platforms such as Google VertexAI, OpenAI, AWS Bedrock, or LangChain Utilized cloud technologies ...

dynamic and collaborative environment with various stakeholders and team members. Strong skills in programming languages and frameworks commonly used in SaaS development. In particular, Java/Kotlin, Python, C#. Strong skills in designing and developing APIs, basic understanding of HTTP/HTTPS protocols, and proficiency in API documentation. Familiarity with ...

cyber skills in the region. About you You will have experience in many of the following: Programming in one or more of JavaScript, Java, .Net, Python Collaboratively designing and building Proof of Concept or Production systems Source controlling your code with Version Control Systems, for example Git, Mercurial, Perforce Utilising ...

step workflows; instrument agents for tracing, metrics, and feedback loops to continuously improve reliability and utility. Required qualifications, capabilities and skills: Demonstrate proficiency in Java and/or Python programming languages Deployed production systems to GenAI platforms such as Google VertexAI, OpenAI, AWS Bedrock, or LangChain Utilized cloud technologies ...

engage effectively with traders, quants, and other business stakeholders.Desired* Domain experience in Credit or Fixed Income.* Expertise in modern .NET technologies and C# (Java or similar OO languages considered).* Experience implementing observability (metrics, tracing, logging) for distributed systems.* Experience with CI/CD pipelines, containerisation (Docker), and orchestration (Kubernetes ...

knowledge management challenges. Proven Track Record: Experience leading and mentoring others Programming Skills: Have heavily used modern object-oriented languages such has C# or Java Enterprise Expertise : Expertise in software design patterns, clean code, and clean architecture principles & Knowledge of how to build REST APIs and have experience of messaging. ...

knowledge management challenges. Proven Track Record: Experience leading and mentoring others Programming Skills: Have heavily used modern object-oriented languages such has C# or Java Enterprise Expertise : Expertise in software design patterns, clean code, and clean architecture principles & Knowledge of how to build REST APIs and have experience of messaging. ...

Solid fundamentals in data structures, algorithms, concurrency, networking, and operating systemsAbility to write clean, maintainable, well-tested code in at least one modern language (Java, Go, or similar)Curiosity about distributed systems and how large-scale services like Kafka are designed and operatedA self-starter mindset — comfortable asking questions, seeking ...

operational systems Bachelor's or Master's degree in Computer Science, Engineering, Telecommunications, or related technical field Background in hands-on development with Python, Java, or similar languages (nice to have but not required for day-to-day work) Knowledge of AI ethics, responsible AI practices, and regulatory requirements relevant ...

global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Accepting applications until: 21 August 2026 Job Description Your Role: Java Developer As a Java Developer in the DAX engineering team, you'll be a key part of the group building and improving our ad server … from inception through to deployment, taking ownership of technical initiatives and contributing to a great developer and user experience. You'll work with modern Java microservices (Java 21, Spring Boot), deployed on Kubernetes (EKS on AWS), using CI/CD pipelines with Jenkins and Terraform, and observability through Prometheus ...

Role Overview Were looking for an experienced Java Camunda Engineer to join our implementation team. Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration, helping our clients build secure, scalable, and resilient digital services. Youll collaborate with solution architects, business analysts, and designers to translate … through clean code, automation, and modern engineering practices. Key Responsibilities Design, develop, and deploy Camunda-based process and decision automation solutions Implement and integrate Java-based microservices, APIs, and connectors within orchestration flows Translate BPMN and DMN models into executable workflows and reusable components Collaborate closely with analysts and service ...

Professional knowledge and experience Essential Proven experience in full-stack software development, including design, development, testing, and deployment. Significant hands on experience with Java, Spring Boot and Microservices. Strong understanding of Agile and DevOps practices, with a focus on continuous integration and delivery. Some proficiency in one or more programming … languages (e.g., Python, Java, JavaScript) and experience with software architecture patterns. Experience with cloud platforms (e.g., AWS, Azure, GCP) and infrastructure as code. Familiarity with CI/CD pipelines, automated testing, and modern software development practices. Knowledge of technologies such as microservices, containerisation (Docker, Kubernetes), or serverless architecture. Awareness ...

Java Full Stack Engineer - Senior Consultant Salary: £60,000 - £70,000 plus benefits, perks, and healthcare options! Job type: Permanent | Hybrid (1-2 days per week) | Occasional travel to client sites Security Clearance: Must be SC eligible Base locations: London, Manchester or Glasgow Overview We're looking for a Java … help build scalable, secure and high-performing solutions using modern technologies and engineering practices. Your Role Design, develop and maintain scalable microservices using Java and Spring Boot. Build responsive web applications using React, JavaScript/TypeScript, HTML and CSS. Develop and integrate REST APIs and cloud-native applications. Work across ...

successful in this role, you will need a blend of the following engineering and data science capabilities: Core Development: Proficiency in Python, JavaScript, and Java, alongside modern frameworks (React, Redux, Vue, or Angular). Data Science & ML: Solid understanding of common ML techniques, trade-offs, and scalable ML architecture (MapReduce ...

evolve highly scalable & reliable trade processing, reconciliation & reporting platform. WORK EXPERIENCE/BACKGROUND/TECHNICAL/BUSINESS SKILLS & KNOWLEDGE: Essential 5-10 years of Java programming experience Experience working with AWS cloud (EKS, S3) Experience working with Kafka messaging Experience working with relational databases such as SQL server & Postgres Experience ...

excellence activities. Troubleshoot production and non-production issues, identify root causes, and drive continuous improvement initiatives. Required Skills & Experience Strong hands-on experience in Java development, Spring Boot, and microservices architecture. Experience designing, developing, testing, and supporting REST APIs for enterprise-scale platforms. Hands-on experience with AWS cloud services ...

platforms — AWS, Azure, GCP or VCF Release automation — ArgoCD, Flux Observability — Prometheus, Grafana, ELK IAM & secrets management — OAuth/OIDC, Keycloak, Vault Software development — Java, Python, JavaScript, C++ or C# Solid grounding in security principles — CIA, Least Privilege, Zero Trust Networking fundamentals — DNS, TCP/UDP, firewalls, VPNs Our Company ...

engineering culture, real influence, and meaningful problems to solve. What We’re Looking For Core Experience Strong foundation in JVM-based development (Kotlin preferred, Java welcome) Experience designing and implementing data-driven APIs Background working on large-scale web services Solid SQL experience, including schema design and performance-aware queries ...

Experience with Kubernetes or Docker environments; managing Helm charts or Kustomize for multi‐environment deployments. Proficient in at least one programming language: JavaScript, Python, Java, Groovy, TypeScript, or C++. Deep expertise with CI/CD tools (e.g., GitHub Actions) and deployment automation. Solid grasp of SQL/NoSQL databases, schema ...

DevSec & Responsible AI: Privacy‐by‐design, PII handling, secrets management, policy enforcement, human‐in‐the‐loop approvals, auditability. Languages: Advanced Python plus one of Java/TypeScript/Go; containerization (Docker/K8s). Leadership & Communication Executive presence: influence C‐suite decisions with crisp, data‐backed narratives. Lead distributed teams ...

practical experience in system design, application development, testing, and operational stability Proficient in at least one major programming language: Go, Python and/or Java Experience with Kubernetes and Terraform Experience in developing automated tests as an integral part of the development cycle. Overall knowledge of the Software Development Life ...

Skills & Experience: Eligibility for SC clearance Significant experience in Agile environments (e.g., SCRUM, Kanban). Solid technical development background with strong coding skills in Java, C#, TypeScript, JavaScript, or similar Proven expertise in automation testing, with hands‐on experience using tools like Playwright, Selenium, Cypress, or RestAssured Strong knowledge ...

Skills & Experience: Eligibility for SC clearance Significant experience in Agile environments (e.g., SCRUM, Kanban). Solid technical development background with strong coding skills in Java, C#, TypeScript, JavaScript, or similar Proven expertise in automation testing, with hands-on experience using tools like Playwright, Selenium, Cypress, or RestAssured Strong knowledge ...