101 to 125 of 1,267 Java Jobs in London

professional software development experience* Bachelor’s degree in computer science or engineering field involving software programming or systems engineering* Proficiency in programming in mainly Java, React and/or Python* Strong hands-on experience of building RESTful APIs using popular frameworks like Spring* Experience of following TDD and clean code ...

years of programming experience in Rust or C++ and the willingness to learn new languages quickly. With the expectation to contribute across Rust/Java/C++/Python codebases as required. Experience with Linux development: Experience with using Linux and developing software running on Linux. Experience with virtualisation ...

production platforms. Strong experience with Kubernetes (container orchestration) and Terraform. Hands‐on experience managing and automating AWS infrastructure. Proficiency in one or more languages: Java, Python, Bash, or Go. Experience working with Helm for Kubernetes application packaging and deployment. Solid Linux fundamentals, troubleshooting, and operational support skills. Proven experience designing ...

IR35 Required:- 5+ years of professional software engineering experience; ability to independently design & ship complex systems in production. Strong programming skills in Python (preferred), Java, or similar languages, with experience in developing microservices, APIs, & backend systems. Strong problem-solving skills & the ability to balance engineering rigor with delivery speed. Solid ...

technical leadership, with the ability to mentor and influence teams. Excellent analytical, communication, and stakeholder management skills. Hands-on enterprise systems development experience (C#, Java, JavaScript/TypeScript, C++ or similar). Proficiency in cloud platforms (AWS preferred; Azure/GCP), containerisation, and microservices. Strong knowledge of APIs, system integration ...

application development, testing, and operational stability, including leading technical delivery in complex environments. Advanced in one or more programming language(s), such as Go, Java or Kotlin. Advanced understanding of agile methodologies, CI/CD, application resiliency, and security, including setting standards and driving adoption across teams. Demonstrated proficiency ...

with the ability to work effectively in collaborative teams. Exposure to agile delivery methods. Experience with other development languages or frameworks such as JavaScript, Java, Python, or .NET - or a strong willingness to learn and adapt to new technologies as required. Qualifications & Certifications Salesforce Platform Developer I - Required Salesforce Platform ...

Tech through public content and contribution/creation into open‐source technology Support recruitment, onboarding and internal and external brand outreach activities Tech Stack Java, Micronaut, PL/SQL ReactJS, Next.js Azure Cloud, Dynatrace (observability) Mule, Kafka, MQ Blue Yonder Dispatcher Essential Experience Significant track record of strategic and innovative ...

unique needs of the clients you’ve served Written production‐quality code using a variety of languages and frameworks, including but not limited to: Java, C#/.NET, Python, TypeScript, JavaScript, React, Go, Ruby, Scala, R, and SQL Leveraged AI‐assistive development tools for tasks like scaffolding, refactoring, debugging, test ...

Azure Infrastructure as Code experience (Terraform, CloudFormation, etc.) Containerisation experience (Docker, Podman, etc.) Experience with agent‐based modelling (e.g. MATSim, etc.) Experience programming in Java a plus Familiarity with population synthesis best practices and relevant tools (e.g. PopulationSim) Understanding of data engineering Agile/Scrum/Kanban/XP methodology ...

Production experience developing Kubernetes Operators Production experience with OSS API Gateways and Ingress controllers Production Software Engineering using a high level language like Go, Java, JavaScript, Python Distributed Software Architecture exposure in high volume production scenarios Working with Data Mesh, BigData technologies such as EMR, Spark, Databricks Designing, tracking ...

Stack M&S uses a variety of technologies and, as part of our modernisation drive, will continue to introduce new ones. Technologies currently include: Java, Spring, Spring Boot and Micronaut React, Next.js, TypeScript and Angular Azure Cloud and Kubernetes Kafka and IBM MQ SQL Server, MongoDB and Redis OpenTelemetry ...

/CD, modern SDLC, TDD, and code review. Data: Working with relational, columnar, and vector stores, grounded in sound data‐modelling principles. Languages: Python, Java, TypeScript/JavaScript, SQL, and relevant AI SDKs. Mentoring: Developing skills in mentoring engineers through pair programming and day‐to‐day collaboration. Communication: Clear written ...

LLMs integration, fine-tuning and associated tools (e.g. LangChain, Agent frameworks).* Competency in at least one other programming language (e.g. C/C++, Java).* Experience going from POC to production-grade system.**Key Behaviours*** Curious Innovator: You stay up to date with frontier AI technologies and enjoy experimenting ...

scaleups Able to communicate clearly and efficiently within our product & engineering team Technical skills and experience should include Proficiency in C# and TypeScript (Java or Python is a plus). React.js and Single‐Page Application development. Developing and deploying containerised applications within the context of cloud platforms (ideally ...

increased team productivity. Qualifications Demonstrable experience in a critical software engineering or production engineering role with high business impact and a strong programming foundation (Java, Python, Go, or equivalent). Hands‐on experience with AI/ML engineering—including working with LLM APIs (OpenAI, Anthropic, Gemini, or open‐source equivalents ...

/CD, modern SDLC, TDD, and code review.* **Data:** Working with relational, columnar, and vector stores, grounded in sound data-modelling principles.* **Languages:** Python, Java, TypeScript/JavaScript, SQL, and relevant AI SDKs.* **Mentoring:** Developing skills in mentoring engineers through pair programming and day-to-day collaboration.* **Communication:** Clear written ...

unique needs of the clients you've served Written production-quality code using a variety of languages and frameworks, including but not limited to: Java, C#/.NET, Python, TypeScript, JavaScript, React, Go, Ruby, Scala, R, and SQL Leveraged AI-assistive development tools for tasks like scaffolding, refactoring, debugging, test ...

understand requirements and deliver robust platform solutions AI experience is highly desirable but not mandatory Tools you’ll use (depending on role) Server: Kotlin, Java, Spring Boot, http4k, ktor, PostgreSQL, MongoDB, Apache Kafka, Docker, Kubernetes, Helm, Tekton, Harness Infra: OpenShift, Tekton, Harness Mac or PC — It's up to you. ...

approach, you’re comfortable engaging with clients, understanding their needs, and translating them into effective outcomes. Key Responsibilities Design, develop, and maintain high-performance Java-based applications Integrate AI/ML models into production-grade backend systems Build RESTful APIs and microservices using modern Java frameworks Collaborate with data scientists … quality standards Work with cloud platforms to deploy AI-powered services Contribute to architecture decisions and technical roadmaps Design, develop, and maintain high-performance Java-based applications Integrate AI/ML models into production-grade backend systems Build RESTful APIs and microservices using modern Java frameworks Collaborate with data scientists ...

foster them,it’sdeeply embedded within our DNA. Invest in us andwe’llinvest in you!. Job Description We are seeking an experienced Senior Java Engineer to join our UK Digital Data & Cloud Practice. Our Digital Practice is expanding rapidly and you will have the opportunity to achieve medium … career goals. You will be working for one of our high-profile trading clients within the financial services domain, contributing hands-on to a Java-based development team supporting a high-volume message processing environment. The team is heavily Java-focused, operating within a client ecosystem that relies extensively ...

responsive user interfaces, production support, and engineering best practice. Key Responsibilities Lead the design, development, and delivery of backend services and platform components using Java 8+/Spring Boot and Python/FastAPI. Build, enhance, and operate event‐driven, real‐time data pipelines using Kafka and related streaming technologies. Provide … deep technical expertise in distributed systems, data architecture, and scalable platform design. Design, implement, and maintain Java‐based APIs and microservices, including REST, OpenAPI, GraphQL, and gRPC services. Work with modern data technologies including PostgreSQL, MongoDB, and Amazon Redshift. Deliver reliable, performant, and responsive user interfaces aligned to UX designs ...

Position Overview Senior Software Engineer – Jamf Insights Web Application (Hybrid, London, United Kingdom) What you’ll do Lead technology transition and build skills in a recognized tech company. Work on the web application that powers ...

recognition that highlights our commitment to creating an outstanding workplace where innovation, collaboration, and personal growth thrive. The Role Envitia is recruiting for a Java Engineer to join our Security and Intelligence consulting team and will be responsible for designing, developing and maintaining secure software services and mission applications within … agile teams, collaborating with data engineers, data scientists, DevOps engineers and mission analysts to deliver secure, production‐grade software systems. Typical engagements include: Developing Java‐based microservices and backend platforms Building API‐driven services enabling data exploitation and analytics Supporting distributed analytics platforms and intelligence applications Integrating software components across ...

Senior Java Developer - Java/Spring/AWS - Remote - £60,000 - HealthTech/Tech for Good Senior Software Developer required for a HealthTech, tech-for-good business delivering software that supports patient care and rehabilitation across the healthcare sector. Salary: £60,000 Location: Remote (UK) Great benefits included This … genuine opportunity to work on technology with real, measurable impact on people's health outcomes. Key Responsibilities: Design and develop software features using Java, AWS and PostgreSQL Write clean, maintainable, well-tested code Participate in code reviews and QA processes Troubleshoot and resolve client-reported issues Contribute to technical documentation ...